CN102458271A - Coupling arrangements and methods for attaching tools to ultrasonic surgical instruments - Google Patents
Coupling arrangements and methods for attaching tools to ultrasonic surgical instruments Download PDFInfo
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- CN102458271A CN102458271A CN2010800326364A CN201080032636A CN102458271A CN 102458271 A CN102458271 A CN 102458271A CN 2010800326364 A CN2010800326364 A CN 2010800326364A CN 201080032636 A CN201080032636 A CN 201080032636A CN 102458271 A CN102458271 A CN 102458271A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22014—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320069—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
- A61B2017/320073—Working tips with special features, e.g. extending parts probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
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Abstract
An ultrasonic surgical instrument that has a waveguide that protrudes distally from the handpiece and a surgical tool that is configured to be coupled to the waveguide. The waveguide may have a distal end that is sized to be inserted into a cavity in a proximal end of the surgical tool and then selectively expanded to retain the distal end within the cavity to couple the surgical tool to the waveguide.
Description
Technical field
The present invention relates generally to a kind of surgical instruments, more particularly, relates to a kind of connecting device and method that is used for surgical technique and tools is attached to ultrasonic surgical instrument.
Background technology
Ultrasonic surgical instrument is used to treat safely and effectively many diseases.This apparatus generally includes the handpiece that is connected to supersonic signal generator.Said apparatus also comprises the end effector that receives supersonic vibration.When transferring to organic organization and using suitable end effector with suitable energy level, supersonic vibration can be used for excising, dissects, draws high, cauterize tissue or be used to make muscular tissue to separate with skeleton.Owing to can transfer to the amount of the ultrasonic energy of surgical end-effector from ultrasonic transducer through waveguide, use the ultrasonic instrument of real core technology especially favourable.This type of apparatus can be used for open surgery or Minimally Invasive Surgery, for example endoscopic surgery or laparoscopic surgery, and wherein end effector passes the trocar and arrives surgical site.
Usually, the transducer that supports in handpiece through electric excitation in the orthopaedic surgical operations end effector causes supersonic vibration.Transducer can be made up of one or more piezoelectric elements or magnetostriction element.The vibration that transducer portion produces transfers to surgical end-effector via the ultrasound waveguide that extends to surgical end-effector from transducer portion.Waveguide and end effector are designed to the frequency resonance identical with transducer.Therefore, when end effector was connected to transducer, the frequency of the frequency of whole system and transducer self was identical.
Real core ultrasonic surgical instrument can be divided into two types, promptly has the apparatus and the apparatus with multicomponent end effector of unit piece end effector.Apparatus with unit piece end effector comprises the apparatus such as dissecting knife and spherical coagulator.The use of multicomponent end effector (for example clamped coagulation device) comprises tissue is pressed in the mechanism on the ultrasound knife.Ultrasonic clamping coagulator is provided for cutting/coagulating tissue; The ultrasonic surgical instrument of the improvement of especially loose no supporting tissue; Wherein ultrasound knife uses with the anchor clamps that tissue applied compression stress or bias force, make tissue condense and cut decay faster and that ultrasound knife moves less.The surgery position adjuster is to be used for helping helping transposing and removing the apparatus of soft tissue at operation process.The surgery position adjuster is used so that muscle is separated with skeleton usually.Cobb formula or spatula (curette) formula surgery position adjuster is used for spinal operation, especially helps to get into so that muscular tissue is removed from skeleton at the rear portion.
No matter the type of the end effector that adopts how, end effector must effectively be connected to waveguide.In some devices, end effector is permanently connected in the waveguide through for example welding.In other device, end effector can be connected in the waveguide through screw device with removing.This end effector has torque spanner usually; When correct use; Torque spanner is designed to guarantee that end effector is attached to waveguide through the torsion of appropriate amount, avoids simultaneously because the damage that excessive torque application is caused to end effector or the probability of plant failure.This spanner can be designed to far-end or the part interface with end effector.In some wrench device, in the time of on the far-end that spanner is positioned over end effector, the clinician is applied to spanner until hearing the click sound that can hear with torsion, and this moment, spanner can be removed from end effector.
Though use this torque spanner can effectively guarantee between waveguide and end effector, to have set up the fixed connection on acoustics, said torque spanner can prepare surgical technique and tools with outside lose during the section office or mistake is put.In addition, torque spanner is generally used for separating on end effector and the handpiece, needs the clinician after accomplishing surgical operation, to arrange torque spanner or other instrument.In addition, if the clinician can not correctly use said torque spanner, then exist the connection between end effector and the waveguide to be not enough to be directed against the risk that optimum is transferred to the sound motion of desired amount end effector.
Be desirable to provide a kind of ultrasonic surgical instrument that overcomes the some shortcomings of current apparatus and end effector connecting device.The various embodiment of ultrasonic surgical instrument overcome these deficiencies.
Summary of the invention
One total aspect, each embodiment relates to a kind of ultrasonic surgical instrument, it has the handpiece that can operatively support at least one ultrasonic transducer.Said surgical instruments comprises surgical technique and tools, and it has near-end, and said near-end has cavity therein.Waveguide is outstanding towards the distally from said handpiece, and interacts with said at least one ultrasonic transducer.Waveguide has distal portions, and the size of said distal portions is customized in the cavity in the near-end that is inserted into said surgical technique and tools, and optionally expands to engage with cavity formation retentivity.
According to other embodiments of the invention, a kind of ultrasonic surgical instrument is provided, it has handpiece, and said handpiece has can operatively be supported on housing wherein with at least one ultrasonic transducer.Said ultrasonic transducer can be operatively coupled to supersonic signal generator.Waveguide is outstanding towards the distally from said housing, and interacts with said ultrasonic transducer.Said waveguide has can the expansible distal portions of selectivity.Actuator rod can be supported in the said waveguide movably, and movable between the primary importance and the second position, and in said primary importance, said distal portions expands, and in the said second position, said distal portions does not expand.Said surgical instruments also comprises surgical technique and tools, and it has proximal part, and said proximal part has cavity therein, to hold the said distal portions of said waveguide.
According to other embodiments of the invention, provide a kind of being used for that surgical technique and tools is connected to the method in the waveguide of ultrasonic surgical instrument movingly.In various version, said method comprises: in the proximal part of said surgical technique and tools, cavity is set; And the far-end of said waveguide inserted in the said cavity.Said method also comprises at least a portion that the said far-end expansion of said waveguide is engaged the wall of said cavity with retentivity ground.
Description of drawings
The novel feature of a plurality of embodiment is described in detail in appended claims.Yet could understand a plurality of embodiment (relevant operation tissue and method) and other purposes and advantage best in conjunction with following the description with following accompanying drawing:
Fig. 1 shows the ultrasonic system of various embodiments of the present invention;
Fig. 2 shows the connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 2 A shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 2 B shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 3 shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 3 A is another diagrammatic sketch of the connecting device of Fig. 3, and the part of said waveguide is in swelling state;
Fig. 3 B shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 4 shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Fig. 5 is another diagrammatic sketch of the connecting device of Fig. 4, and wherein the part of surgical technique and tools outer housing illustrates with the cutaway view mode, and latch member is in unswollen state;
Fig. 6 is another diagrammatic sketch of the connecting device of Fig. 4, and the latch member of wherein said connecting device is in swelling state;
Fig. 7 is the side view of another handpiece embodiment of the present invention.
Fig. 8 is the end-view of the handpiece of Fig. 7.
Fig. 9 is the end-view of another surgical technique and tools embodiment of the present invention;
Figure 10 is the side view of Fig. 9 Chinese and foreign department instrument.
Figure 11 shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic instrument, and the cover part of wherein said surgical technique and tools illustrates with the cutaway view mode;
Figure 12 is another cutaway view along different line of cut interceptings of the connecting device of Figure 11, and the latch member that said connecting device is shown is in swelling state;
Figure 13 shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument;
Figure 14 shows a kind of form of the power of the connecting device embodiment that is used for describing at Figure 13 to time graph;
Figure 15 is the exploded assembling diagrammatic sketch of handpiece of the present invention and surgical technique and tools embodiment, and the part of said handpiece and the part of said surgical technique and tools illustrate with the mode of cutaway view;
Figure 16 is that the handpiece of Figure 16 and another broken section of surgical technique and tools decompose the assembling diagrammatic sketch, and wherein they are in the orientation that is connecting;
Figure 17 is that the handpiece of Figure 15 and Figure 16 and another broken section of surgical technique and tools decompose the assembling diagrammatic sketch, and wherein they are in the orientation that has connected;
Figure 18 is the unitary cutaway view of heating and cooling of the connecting device embodiment that in Figure 15-17, describes;
Figure 19 is unitary another cutaway views of the heating and cooling of Figure 18, and the outer housing of wherein said surgical technique and tools just is being mounted on it;
Figure 20 is unitary another cutaway views of the heating and cooling of Figure 18 and 19, engages wherein said outer housing and its retentivity;
Figure 21 shows the ultrasonic system of various embodiments of the present invention;
Figure 22 shows another connecting device embodiment of the present invention that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument, engages the far-end of wherein said waveguide and said surgical technique and tools retentivity; And
Figure 23 shows the connecting device embodiment that describes among the Figure 22 before the far-end of waveguide expands.
The specific embodiment
Before specifying a plurality of embodiment, should be noted that the structure and the layout of the parts that the application of embodiment or use are not limited to be shown specifically in the accompanying drawing and the specific embodiment.Exemplary embodiment can be implemented separately, or combines to implement with other embodiment, change form and modification, and can implement in many ways or carry out.For example, the surgical instruments of following discloses and surgical technique and tools configuration are merely exemplary, and are not intended to limit their scope or application.In addition, except as otherwise noted, otherwise term used herein and expression are readers and that exemplary embodiment is described purpose is selected for ease, and unrestricted its scope.
Each embodiment is usually directed to ultrasonic surgical instrument, and more particularly, relates to the connecting device that in this apparatus, is used for surgical technique and tools is connected to source of ultrasonic energy.The example of ultrasonic surgical instrument is at United States Patent(USP) No. 5,322, and 055 and 5,954; Have in 736 disclosed, in conjunction with the example of ultrasound knife and surgical instruments at (for example) United States Patent(USP) No. 6,309,400B2,6; 278,218B1,6,283,981B1 and 6; 325, have disclosedly among the 811B1, said patent full text separately is incorporated herein with way of reference.Have what incorporate in full separately equally with way of reference: be filed in March 22 in 2007 purpose jointly all, the U.S. Patent application No.11/726 of common pending trial; 625; Its title is ULTRASONIC SURGICAL INSTRUMENTS (ultrasonic surgical instrument); And all jointly U.S. Patent applications of submitting on the same day with the application, its title is THERMALLY-ACTIVATED COUPLING ARRANGEMENTS AND METHODS FOR ATTACHING TOOLS TO ULTRASONIC SURGICAL INSTRUMENTS (being used for instrument is attached to the hot activation connecting device and the method for ultrasonic surgical instrument) (attorney is No.END6494USNP1/080596).
Fig. 1 shows the ultrasonic system 10 that comprises supersonic signal generator 12, and it has ultrasonic transducer 14, handpiece 16 and surgical technique and tools 100, can adopt said surgical technique and tools according to various embodiments of the present invention.The each side of this system describes in further detail in the open No.US 2008/0234709A1 of United States Patent (USP), by reference the open full text of above-mentioned application is incorporated into.Ultrasonic transducer 14 (being called " Langevin stacks ") can generally include transducing part 18, first resonator or end shield 20, second resonator or front shroud 22 and accessory.Ultrasonic transducer 14 is preferably integer system's half-wavelength (n λ/2).Acoustic assembly 24 can comprise ultrasonic transducer 14, installed part 26 and speed converter 28.
The far-end of end shield 20 is connected to the near-end of transducing part 18, and the near-end of front shroud 22 is connected to the far-end of transducing part 18.The length of front shroud 22 and end shield 20 confirmed by a plurality of variablees, these a plurality of variablees comprise transducing part 18 thickness, be used to make density and the resonant frequency of elastic modelling quantity and ultrasonic transducer 14 of the material of end shield 20 and front shroud 22.
Transducer can be made up of one or more piezoelectric elements or the magnetostriction element in the apparatus handpiece 16.Through for example causing supersonic vibration in the electric excitation transducer orthopaedic surgical operations instrument 100, said transducer is made up of one or more piezoelectric elements or the magnetostriction element in the apparatus handpiece.The vibration that transducer portion produces transfers to surgical technique and tools via the ultrasound waveguide 28 that extends to surgical technique and tools 100 from transducer portion.
In the illustrated embodiment, transducer is made up of piezoelectric element 40.Piezoelectric element 40 can be processed with any suitable material, for example lead zirconate-titanate, lead meta-columbute, lead titanates or other piezoelectric crystal material.Each positive pole 42, negative pole 44 and piezoelectric element 40 all have the hole at the center of extending through.Anelectrode 42 is electrically connected to lead 46 and 48 respectively with negative electrode 44. Lead 46 and 48 is enclosed in the cable 50, is electrically connected with the supersonic signal generator 12 of ultrasonic system 10.
The ultrasonic transducer 14 of acoustic assembly 24 will be converted into mechanical energy from the signal of telecommunication of supersonic signal generator 12, and this mechanical energy mainly causes ultrasonic transducer 14 and surgical technique and tools 100 that the extensional vibration campaign of supersonic frequency takes place.Suitable generator is for deriving from Ethicon Endo-Surgery, Inc. (Cincinnati, GEN04 type generator Ohio).When acoustic assembly 24 energisings, the oscillating movement standing wave produces through acoustic assembly 24.Oscillating movement amplitude along any some place of acoustic assembly 24 can depend on the position of moving along acoustic assembly 24 measuring vibrations.The minimum of oscillating movement standing wave or zero crossing are commonly referred to node (i.e. the position that motion is usually minimum), and the maximum value of standing wave or peak value are commonly referred to antinode.Antinode and be quarter-wave (λ/4) apart from the distance between its nearest node.
In order to make acoustic assembly 24 that energy is delivered to surgical technique and tools 100, all parts of acoustic assembly 24 must be connected to said surgical technique and tools 100 with acoustically.The parts of acoustic assembly 24 preferably through the acoustics adjustment, make the length of any assembly be the integral multiple of 1/2nd wavelength (n λ/2), and wherein wavelength X is that acoustic assembly 24 is at extensional vibration driving frequency of selecting in advance or work extensional vibration driving frequency f
dUnder wavelength, and wherein n is any positive integer.Also conceive any suitably-arranged that acoustic assembly 24 can combine acoustic elecment.Along with the continuation of the current specific embodiment, those of ordinary skills will readily appreciate that said system 10 only is to adopt the instance of countless ultrasonic surgical systems of various uniquenesses and the new advantages of embodiments of the invention.
Fig. 1 and Fig. 2 show the connecting device 110 that is used for surgical technique and tools 100 is connected to the embodiment of the invention of waveguide 28.Surgical technique and tools 100 is shown as blade and has overall level and smooth outer surface, and it is well suited for condensing and tissue is used.Yet; As used herein; Term " surgical technique and tools " can contain can be operatively with ultrasonic surgery handpiece or orthopaedic surgical operations equipment in other source of ultrasonic energy any surgical end-effector or instrument or the blade that are connected, and it includes, but is not limited to straight and crooked blade, sharp hook, dissecting hook, spherical coagulator, clamp coagulator etc.Exemplary blade configuration is described in the United States Patent(USP) No. 6,423,082 of authorizing people such as Houser, by reference the open full text of above-mentioned application is incorporated into.The instance of clamp coagulator device is at United States Patent(USP) No. 6,254, and is open in 623, by reference the open full text of above-mentioned application incorporated into.
Among the embodiment that in Fig. 1 and Fig. 2, describes, the far-end 29 of waveguide 28 can be connected to coupling part 101, and in a plurality of embodiment, said coupling part comprises the cavity 114 of the shape complementarity in the proximal part 112 that is arranged on surgical technique and tools 100.For example, said far-end 29 can have conical butt and big I is accommodated in the cavity 14.At least the distal portions 29 of waveguide 28 or waveguide 28 is processed by first material 15 with first thermal coefficient of expansion (CTE1).Surgical technique and tools 100 or at least the proximal part 112 of surgical technique and tools 100 process by second material 103 that has less than second thermal coefficient of expansion (CTE2) of first thermal coefficient of expansion.Therefore:
CET2＜CET1
The distal portions 29 of waveguide 28 is confirmed size and shape with respect to the cavity in the proximal part 112 of surgical technique and tools 100 114; Make when waveguide 28 and surgical technique and tools 100 are in about equal temperature, between the distal portions 29 of waveguide 28 and cavity 114, generate and be slidingly matched or gap value " C ".
In each embodiment, the distal portions at least 29 of waveguide 28 or waveguide 28 can be 13.7 * 10 by for example thermal coefficient of expansion
-6The aluminum of in/in/ degrees Fahrenheit is processed, and the proximal part 112 of surgical technique and tools 100 can be 4.34 * 10 by for example thermal coefficient of expansion
-6The titanium of in/in/ degrees Fahrenheit is processed.In this embodiment, gap " C " can be approximately 0.0005 inch.
For this surgical technique and tools 100 is connected to waveguide 28, the clinician is arranged in the distal portions 29 of waveguide 28 in the cavity 114 of surgical technique and tools 100, and is as shown in Figure 2.Heat energy (that is, heat) is applied on the distal portions 29 of waveguide 28 subsequently, to increase the outer dia or the parameter shape of distal portions 29 through thermal expansion.Because CTE1＞CTE2, so when comparing with the inside diameter of cavity 114 or shape, the outer dia or the parameter shape of the distal portions 29 of waveguide 14 will expand into bigger magnitude, between them, to set up the interference fit shown in Fig. 2 A.Can around being installed in waveguide 28, heat or heat energy be applied to waveguide 28 with distal portions 29 contiguous radio frequency (RF) induction coils 120.In other embodiments, can adopt the thermoelectric heating element heater 130 of resistance-type.See Fig. 2 B.Before setting up sufficient interference fit between the distal portions 29 of the proximal part 112 of orthopaedic surgical operations instrument 100 and waveguide 28, apply heat.Then, heat applies device 120,130 and must continue to be activated in whole use, to keep interference fit.After accomplishing surgical operation, heat applies device 120,130 can be by deexcitation.In case the temperature of the proximal part 29 of waveguide 28 returns to the approximate temperature of the proximal part 114 of surgical technique and tools 100, then surgical technique and tools can be pulled down from waveguide 28.
In the embodiments of figure 3, waveguide 28 ' distal portions 29 ' a part 140 process by material with high thermal expansion coefficient.For example, part 140 can be processed by for example aluminum, and waveguide 28 ' remainder can be formed from steel.Under normal room temperature (promptly; Under heated condition not); Part 140 can with waveguide 28 ' distal portions 29 ' have identical diameter or other parameter shape so that part 29 ', 140 can be inserted into surgical technique and tools 100 ' proximal part 112 ' in cavity 114 ' in.Therefore, heat or heat energy are applied to distal portions 29 ' before going up applying device 120 or 130 (no matter which possibly be) through heat, part 140 and cavity 114 ' wall between predetermined gap amount " C " is set.For with surgical technique and tools 100 ' be connected to waveguide 28 ' on, heat apply that device 120 or 130 is activated so that part 140 with greater than surgical technique and tools 100 ' distal portions 112 ' the speed of expansion rate expand, between them, to produce interference fit.See Fig. 3 A.
During Fig. 3 B shows alternative embodiment, wherein in waveguide 28 " far-end 29 ", cavity 114 is set ", and the size of surgical technique and tools 100 " proximal part 112 " be customized to be accommodated in cavity 114 ".In this embodiment; Waveguide 28 " far-end 29 " is by first material 15 with first thermal coefficient of expansion (CTE1) " process, and surgical technique and tools 100 " proximal part 112 " " is processed by second material 103 that has greater than second thermal coefficient of expansion (CTE2) of first thermal coefficient of expansion.Therefore:
CET2＞CET1
For this surgical technique and tools 100 " is connected to waveguide 28 ", the clinician is arranged in surgical technique and tools 100 " proximal part 112 " in the waveguide 28 " distal portions 29 ", shown in Fig. 3 B.Heat energy (that is, heat) is applied on the surgical technique and tools 100 " proximal part 112 " subsequently, to increase proximal part 112 through thermal expansion " outer dia or parameter shape.Because CTE1＜CTE2, thus when with cavity 114 " outer dia or shape when comparing, the outer dia or the parameter shape of surgical technique and tools 100 " proximal part 112 " will expand into bigger magnitude, between them, to set up interference fit.Heat or heat energy can apply device 120 through heat and be applied to surgical technique and tools 100 " proximal part 112 ", and heat applies device and can comprise radio frequency (RF) induction coil or be installed in proximal part 112 " on resistance heater 120 ".Power can be supplied through suitable connection from handpiece.For example; On heating element heater 120 " can be installed in surgical technique and tools 100 "; And when surgical technique and tools 100 " proximal part 112 " inserts cavity 114 " in the time, heat applies device 120 and " can be connected to from the outstanding lead (not shown) of handpiece and apply device 120 power is fed to heat ".Before setting up sufficient interference fit between orthopaedic surgical operations instrument 100 " proximal part 112 " and the waveguide 28 " distal portions 29 ", apply heat.Then, heat applies device 120 can be by deexcitation and/or removal, and can use said system.In case the temperature of surgical technique and tools 100 " proximal part 112 " returns to the approximate temperature of waveguide 28 " distal portions 29 ", then surgical technique and tools 100 " can from waveguide 28 " is pulled down.
Fig. 4-6 shows and uses another connecting device of various embodiments of the present invention can be connected to reusable surgical technique and tools 300 in the waveguide 228 of handpiece 216 with removing; The structure of said handpiece and aforementioned handpiece 16 and class of operation seemingly, difference is listed following.In certain embodiments, for example, the far-end 229 of waveguide 228 can be taper or is conical butt, in the cavity 314 with the shape complementarity of setting in the proximal part 312 that is contained in orthopaedic surgical operations instrument 300.In this embodiment, surgical technique and tools 300 comprises distal portions 312 is supported on wherein housing or cover part 320.In each embodiment, distal portions 312 can be supported on and help in the installed part 26 of distal portions 312 with respect to the acoustically-driven of outer housing 320.As finding out among Fig. 5 and Fig. 6, outer housing 320 has cavity 330 therein, the distal portions 218 of handpiece 216 is contained in wherein being used for.Outer housing 320 also has axial passage 332, so that waveguide 228 can extend through to engage with the proximal part 312 of surgical technique and tools 300.As can further finding out among Fig. 4-6, the distal portions 218 of handpiece 216 has tapering part formed thereon 220.When distal portions 218 is accommodated in the cavity 330 of outer housing 320, tapering part 220 be installed in the outer housing 320 at least one can the expansible latch member 350 of selectivity conflict.Latch member 350 can be processed by for example marmem (SMA), and is connected to the corresponding instrument contact 352 that is installed in the outer housing 320.For example, latch member 350 can be processed by NiTi (Ni-Ti), CuZnAl, CuAlNi etc. according to annular or hoop shape, and is connected to contact 352 through bow strip 354.Also can in Fig. 4-6, find out, trigger contact 230 and be installed in the distal portions 218 of handpiece 216.In each embodiment, trigger contact 230 and can comprise annular ring or the ring section that forms by conductive material (for example, beryllium copper), and said conductive material and electric power source 240 electric connections (for example, wiring).Electric power source 240 can comprise for example battery or alternating current power supply, and can be integrally formed with aforementioned generating apparatus.
Fig. 5 and Fig. 6 show the method that surgical technique and tools 300 is connected to the waveguide 228 of handpiece 216.In order to cause the connection operation; The distal portions 218 of handpiece is inserted in the cavity 330 in the housing 320 of surgical technique and tools 300; As shown in Figure 5, make that triggering contact 230 electrically contacts with instrument contact 352, thereby allow electric current (actuated signal) to activate latch member 350.In each embodiment, switch 244 can be arranged on and be connected in the electric wire/lead 242 of electric power source 240 activating contact 230.For example, said switch 244 can be arranged in handpiece or the generator.Therefore, when surgical technique and tools 300 is connected to waveguide 228 as shown in Figure 5, and switch 244 is when being triggered, and breech lock 350 will be activated and begin to head on tapering part 220 and expand.It should be understood by one skilled in the art that; Breech lock 350 with cause being connected of tapering part 220 instrument 300 be drawn to waveguide 228 retentivities the state that engages, connect with the abundant acoustics between the proximal part 312 of the distal portions 229 of realizing waveguide 228 and surgical technique and tools 300.See Fig. 6.
Fig. 7-12 shows another connecting device that is used for reusable surgical technique and tools 500 can be connected to with removing the various embodiments of the present invention in the waveguide 428 of handpiece 416; The structure of said handpiece and aforementioned handpiece 216 and class of operation seemingly, difference is listed following.In this embodiment, at least one outside the far-end 418 that is projected into handpiece has been shown in Fig. 7 and Fig. 8, and preferably, four contact contact pin 450.One or more said contact contact pin 450 are wired to source of electrical energy 240.As for other embodiment, can provide switch 244 control from the source 240 flow to contact contact pin 450 electric current.Instrument 500 has instrument outer housing 520, and it has the contact pin slit 570 of the correspondence that is suitable for holding one of corresponding contact contact pin 450 therein, so that outer housing 520 slides into arrival position shown in Figure 11 on the handpiece 416.Then, the clinician is with respect to handpiece 416 rotation outer housings 520, so that contact contact pin 450 is accommodated in the locking socket 572 of the correspondence of the end that is arranged in each slit 570 separately.Electric contact piece 574 can be disposed in each locking socket 572 or be adjacent, so that when being installed in when locking in the socket 572, electric contact piece electrically contacts with corresponding contact contact pin 450.Said electric contact piece 574 be supported on outer housing 520 in corresponding one or more can expansible latch member section 550 electric connections.Latch member section 550 is arranged such that when instrument 500 and is installed on the handpiece and contact contact pin 450 when being contained in their corresponding locking sockets 572 that latch member section 550 is arranged as with the tapering part 420 of handpiece 416 and engages.
In order to cause the connection operation; The distal portions 418 of handpiece is inserted in the cavity 530 of outer housing 520 of surgical technique and tools 500; Shown in figure 11; Thereby contact contact pin 450 is accommodated in their corresponding slits 570, the clinician with respect to surgical technique and tools 500 rotation handpieces 416 so that contact contact pin 450 is installed in their corresponding locking sockets 572, and with wherein corresponding electric contact piece 574 contacts.If switch 244 cuts out, then be allowed to subsequently flow can expansible latch member section 550 through electric contact piece 574 arrival for electric current.Along with electric current flow to can expansible latch member section 550, latch member section 550 expand and with near-end 512 pullings of instrument 500 for far-end 429 retentivities of waveguide 428 engage.
Figure 13 and Figure 14 show be used for surgical technique and tools 100 for good and all be connected to handpiece 16 waveguide 28 each embodiment of the present invention another connecting device 110 '.In this embodiment, the size of the far-end 29 of waveguide 28 is customized in the cavity 114 in the proximal part 114 that is accommodated in surgical technique and tools 100.Be arranged in the cavity 114 is that some can fused alloy material 115.In a plurality of embodiment, can comprise for example copper-aluminum by fused alloy material.In this embodiment, the clinician far-end 29 of waveguide 28 is inserted in the cavity 114 so that its with can contact by fused alloy material 115.The clinician can operate generator 12 and thinks that waveguide 28 is provided at the competent sufficient power of magnitude and persistence aspect and uprushes then, so that can fused alloy material 115 waveguide 28 be welded to instrument 100.Shown in figure 14, in case accomplish welding, the clinician arrives the normal running magnitude with power reduction.For example, the normal power magnitude can be 5 watts.In order to make meltable material 115 fully waveguide 28 is welded to instrument 100, the clinician can increase to for example 50 watts with power, continues about 5 seconds (time).The magnitude of this increase and persistence can be depending on the type and the transducer apparatus of the meltable material 115 of employing.Yet in each case, magnitude and persistence that power increases should be less than the magnitude and the persistences of other parts damages that will finally cause transducer or system.
Figure 15-20 shows and is used for reusable surgical technique and tools 700 can be connected to another connecting device 710 in the waveguide 628 of handpiece 616 with removing, the structure of said handpiece and aforementioned handpiece 16 and class of operation seemingly, difference is listed following.For example, the far-end 629 of waveguide 628 can have conical butt cavity 630 therein, with the proximal part 712 of the shape complementarity that holds surgical technique and tools 700.In this embodiment, surgical technique and tools 700 comprises proximal part 712 is supported on outer housing 720 wherein.In each embodiment, outer housing 720 can be processed by for example titanium 64, and proximal part 712 can be supported on and helps proximal part 712 and produce in the installed part 26 of motion with acoustically with respect to outer housing 720.As finding out among Figure 15 and Figure 16, outer housing 720 has annular housing 730 therein, the distal portions 618 of handpiece 616 is contained in wherein being used for.Outer housing 720 also has axial passage 732, so that waveguide 628 can extend through to engage with the proximal part 712 of surgical technique and tools 700.
Like Figure 15 and shown in Figure 16, the far-end 618 of handpiece 616 can support movably and discharge ring 640, and said release ring has bar portion 642,644 relative on the diameter of the respective slots 646,648 in the distal portions 618 that extends through handpiece 616 respectively.With explaining the purposes that discharges ring 640 below in more detail.Can find out in Figure 15 and Figure 16 that the distal portions 629 of waveguide 628 also is furnished with and can locking ring 652 be contained in annular groove 650 wherein.Locking ring 652 can be processed by marmem (SMA), and said SMA is NiTi (Ni-Ti), CuZnAl, CuAlNi etc. for example.Locking ring 652 also can be supported at least two; Preferably four heat generate and cooling unit 660 in; Said heat generation is pivotally sold through corresponding pin 661 with cooling unit and is connected, and perhaps otherwise is connected to the wall 619 of the far-end of handpiece 616 pivotally.
Figure 15-18 shows a kind of form of the heat generation/cooling unit 660 of one embodiment of the present of invention.In each embodiment; Each heat generation/cooling unit 660 has by for example aluminum or the main part 663 processed such as the engineering plastics of Merlon; And said main part can have through wall 668 isolating chamber district 664 and the following chamber districts 666 of going up therein, and said wall has the mobile backward channel 670 that therefrom passes.Periphery has stop boss formed thereon 672, with the outer housing that is formed on surgical technique and tools 700 720 in locking projection 740 retentivity engage (Figure 19 and Figure 20), will further discuss as following.Return opening bar 676 and extend through the passage 675 in the main part 663 that limits through sponge member 680 and wall 668 slidably.Sponge member 680 can be supported on another wall part 682, and is as shown in the figure.Return opening bar 676 and have the hole of running through 678, hole and mobile backward channel 670 co-axially aligns are so that liquid/vapor is passed down between chamber 666 and the last chamber 664.Corrugated tube or wiping arrangement 684 can be set to slide and engage in last chamber 664, make corrugated tube 684 be used for seal channel 675 when returning opening bar 676 and do not advance to chamber 664 vertically with returning opening bar 676.Heating/cooling medium 686 is arranged on down in the chamber 666.In each embodiment, heating/cooling medium 686 can comprise the liquid that for example has low relatively boiling point, such as acetone.
Use description to surgical technique and tools 700 is connected to the method for handpiece 616 now.Figure 15 show be inserted in the outer housing 720 of surgical technique and tools 700 at far-end 618 handpiece strong, each position component in handpiece 616 and surgical technique and tools 700.In order to begin to connect operation, the clinician is inserted into the far-end 618 of handpiece 616 in the outer housing 720 of surgical technique and tools 700.Referring to Figure 16.At this moment, handpiece 616 is under the room temperature with surgical technique and tools 720 basically.Along with the far-end of handpiece 618 gets in the annular housing 730 in the outer housing 720, the power trigger switch 690 that is installed in the distal portions 618 of handpiece 616 allows electric currents to flow to generator, so that transducer is activated.In each embodiment; When waveguide 628 is in room temperature (moderate temperature) with support locking ring 652 above that; Locking ring 652 is withdrawal around the far-end of waveguide 628, makes cavity 630 wherein will not exclusively admit the near-end 712 of the frusto-conical of surgical technique and tools 700.But the triggering of transducer causes waveguide 628 heating locking rings 652, makes its near-end 712 that expand into surgical technique and tools can suitablely be installed in the state in the cavity 630.Along with the beginning that connects operation, locking projection 740 (Figure 19) is pivoted to each heat generation/cooling unit 660 with vibrating waveguide 628 around their corresponding pins and closely contacts, to help around locking ring, producing heat.This pivot behavior is represented by the arrow among Figure 16 " A ".When near-end 712 was installed in the cavity 630 fully, locking projection 740 fastened on the stop boss on the heat generation/cooling unit 660 672, like Figure 17 and shown in Figure 20.It should be understood by one skilled in the art that along with locking projection 740 fastens on stop boss 672, can be the click sound that the clinician provides tactile feedback and/or can hear, correctly advance to link position with indication surgical technique and tools 700.Pivot position in the middle of locking projection 740 makes heat generations/cooling units pivot to return or not, wherein locking projection 740 and stop boss will remain on link position by surgical technique and tools 700.When being in like Figure 17 and link position shown in Figure 20, the far-end 721 of outer housing 720 triggers and makes electric current stop to arrive the power deexcitation switch 689 of transducer.Connecting operation accomplishes now.The clinician freely uses said system now.Also will understand, other operation of transducer will cause locking ring 652 to expand again; Yet locking projection 740 and stop boss 672 are used to keep the connection engagement state between surgical technique and tools 700 and the handpiece 616.
Forward Figure 18-20 to, it is desirable to locking ring 652 is hot in initial the connection in the operation, so that the near-end 712 of instrument 700 is inserted in the cavity 630.In heating process, liquid 686 is stayed in sponge 680 and the last chamber 664.Can in Figure 20, find out, when being in latched position, the heat dissipating ring 692 that heat generation/cooling unit 660 is close in the wall that is installed in outer housing 720.This layout helps from 660 heat radiations of heat generation/cooling unit.When locking projection 740 is positioned at stop dog position (Figure 17 and Figure 20), and transducer it is desirable to locking ring 652 coolings further the far-end of waveguide 629 is fixed to the near-end 712 of instrument 700 during by deexcitation.Locking projection 740 advances to the process of latched position will return 676 biasings of opening bar so that align with backward channel 670 in the hole 678 in the bar 676, so that the liquid 686 in last chamber 664 flow in the following chamber 666.Along with liquid 686 flow to outside the chamber 684,666 surfaces, the following chamber of its contact thermal and evaporation to be cooling off those surfaces, and finally cool off locking ring 652.
For surgical technique and tools is broken away from from handpiece 616, the clinician moves and discharges ring 640 to activate said activator switch 689 or contact, and this causes transducer to begin vibration processes and begins heat cycles.Along with heat generation/cooling unit 660 begins to heat up, locking ring 652 begins to expand, and breaks away from handpiece 616 so that the clinician can spur surgical technique and tools.When parts separated, after the power actuation switch was no longer activated by the far-end 721 of instrument outer housing 720, the power activator switch broke off the power that is transported to transducer.The contact etc. that it will be understood by those skilled in the art that the control of a plurality of known switches and switching device, microprocessor is used in and activates and the deexcitation transducer in the instrument connection processing, and does not break away from the spirit and scope of the present invention.For example, the power activator switch can comprise and is connected to nearly sense switch or the contact that is contained in the generator or is installed to the microprocessor of contiguous generator.
Figure 21-23 illustrates the embodiment of another surgical tool system 800 of the present invention, and it comprises generator 12 and handpiece 816, and said handpiece is similar basically with above-mentioned handpiece 16 aspect design and structure, and difference is pointed out following.For example, the far-end 829 of waveguide 826 can optionally radially expand, so that far-end 829 can effectively be connected to the near-end 912 of surgical technique and tools 900.Be clear that in Figure 22 and Figure 23 the far-end 829 of waveguide 826 has two relative lugs 830, their shape engages with being configured as cavity 930 retentivities in the near-end 912 with surgical technique and tools 900.Cavity 930 can be provided with tapered wall 932, make to insert in the cavitys 930 and during radial motion subsequently (arrow " R ") when lug 830, lug 830 be used for instrument 900 pullings be with far-end 829 retentivities of waveguide 826 engage.In each embodiment, waveguide 826 can be processed by for example aluminum 7075-T6.
Each embodiment can comprise the actuator rod 850 that can move vertically, and it can be supported in the slit 840 in the waveguide 826 movably.The far-end 852 of the size of extending can processed and had between lug 830 to actuator rod 850 by for example ultem, PEI, and when making lug 830 radially move during along distal advancement between the lug 830.As finding out among Figure 21, actuator rod 850 can have the part 854 of radially extending, and it extends through the slit 842 and 817 in waveguide 826 and handpiece 816 respectively.The part 854 of radially extending can stop in button part 856, and it helps clinician's actuator lever 850.
Therefore, for surgical technique and tools 900 is connected to handpiece 816, the clinician is inserted into lug 830 in the cavity 930, and actuator rod 850 is in unactuated position (Figure 22) simultaneously.In case lug 830 is inserted in the cavity 930; The clinician can slide button part 856 along distal direction " DD "; So that the motion between lug 830 vertically of the far-end 852 of actuator rod 850, to realize radial motion and to engage (Figure 23) with the tapered wall of cavity 930.
Various apparatus disclosed herein can be designed to abandon after single uses, and perhaps they can be designed to and can use repeatedly.Yet under any situation, this apparatus all can recover again, thereby after at least once using, reuses.Finishing can comprise provision for disengagement, cleaning or change concrete parts and the follow-up any combination that re-assemblies step.Specifically, detachable this device, and can change or pull down any amount of specific component or the parts of device according to any combination selection property ground.After cleaning and/or changing specific features, by the medical surgery team personnel apparatus is ressembled before can or being close to surgical operation in repair shop, for follow-up use.Those skilled in the art will know that finishing dismounting capable of using, the cleaning/replacing of device and the multiple technologies of assembling again.The reparation apparatus of use that these are technological and gained all within the scope of the invention.
Preferably, implement various embodiments as herein described before the orthopaedic surgical operations operation.At first, obtain new or exhausted apparatus, and clean as required.Can carry out disinfection to apparatus then.In a kind of disinfection technology, apparatus is placed container closed and sealing, for example plastic bag.Then container and apparatus are placed the radiation field of penetrable this container, for example gamma-radiation, X ray or high energy electron.Radiation will kill on the apparatus with container in antibacterial.Can the apparatus after the sterilization be kept in the sterile chamber then.The sealing container remains on aseptic condition with apparatus, up in armarium, opening this container.
Apparatus is preferably through sterilization.This by one of skill in the art the mode of known any amount carry out, comprise β radiation, gamma-radiation, oxirane or steam.
Though this paper has described various embodiments, can implement a plurality of modifications and modification to these embodiment.For example, can adopt dissimilar end effectors.In addition, every material of being used for some parts of disclosing all can use other materials.The above-mentioned specific embodiment and following claim are intended to contain all such modification and modification.
With way of reference in full or any patent of partly incorporating this paper into announces or other open materials only with on existing definition of the present invention, statement or the afoul degree of other open materials are not incorporated this paper at the material of being incorporated into.Likewise and under the degree of necessity, the disclosure that this paper clearly sets forth has replaced any conflict material of incorporating this paper with way of reference into.If any material or its part are incorporated this paper into way of reference; But conflict mutually with existing definition as herein described, statement or other open materials, so only just do not incorporate it into this paper with existing openly the generation under the degree of conflicting between the material at the material of being incorporated into.
Claims (39)
1. ultrasonic surgical instrument, said ultrasonic surgical instrument has the handpiece that can operatively support at least one ultrasonic transducer therein, and said ultrasonic surgical instrument comprises:
Surgical technique and tools, said surgical technique and tools has near-end, and cavity is arranged in said near-end; And
Waveguide; Said waveguide is outstanding and interact with said at least one ultrasonic transducer towards the distally from said handpiece; Said waveguide has distal portions; The size of said distal portions is decided to be in the said cavity in the said near-end that is inserted into said surgical technique and tools, and said distal portions optionally expands, with said cavity retentivity engage.
2. ultrasonic surgical instrument according to claim 1, the said distal portions of wherein said waveguide can optionally radially expand.
3. ultrasonic surgical instrument according to claim 1 also comprises the actuator means that can operatively be supported by said waveguide.
4. ultrasonic surgical instrument according to claim 3, wherein said actuator means comprises the actuator rod that can move vertically.
5. ultrasonic surgical instrument according to claim 4, wherein said distal portions have at least two lugs that are formed on the said distal portions.
6. ultrasonic surgical instrument according to claim 5, wherein said cavity have and are used for the tapered wall part that engages with said lug.
7. ultrasonic surgical instrument according to claim 4, the wherein said actuator rod that can move comprises:
The bar part, said bar part can be supported in the slit in the said waveguide with moving; And
The actuation part that radially extends, the part that the said actuation part that radially extends passes said handpiece is outstanding.
8. ultrasonic surgical instrument according to claim 1, wherein said surgical technique and tools are selected from following surgical technique and tools group: straight and crooked blade, sharp hook, dissecting hook, spherical coagulator and clamp coagulator.
9. ultrasonic surgical instrument, said ultrasonic surgical instrument comprises:
Handpiece, said handpiece has housing;
At least one ultrasonic transducer, said at least one ultrasonic transducer can operatively be supported in the said housing, and can be operatively coupled to supersonic signal generator;
Waveguide, said waveguide is outstanding and interact with said at least one ultrasonic transducer towards the distally from said housing, and said waveguide has can the expansible distal portions of selectivity;
Actuator rod, said actuator rod can be supported in the said waveguide with moving, and can between the primary importance and the second position, move, and in said primary importance, said distal portions expands, and in the said second position, said distal portions does not expand; And
Surgical technique and tools, said surgical technique and tools has proximal part, and said proximal part has the cavity in said proximal part, is contained in the said cavity with the said distal portions with said waveguide.
10. ultrasonic surgical instrument according to claim 9, wherein said distal portions have at least two lugs that are formed on the said distal portions.
11. having, ultrasonic surgical instrument according to claim 10, wherein said cavity be used for the tapered wall part that engages with said lug.
12. one kind is used for surgical technique and tools can be connected to the method in the waveguide of ultrasonic surgical instrument with removing, said method comprises:
In the proximal part of said surgical technique and tools, cavity is set;
The far-end of said waveguide is inserted in the said cavity; And
The said far-end expansion of said waveguide is engaged at least a portion of the wall of said cavity with retentivity ground.
13. method according to claim 12, wherein said expansion be included in said waveguide said far-end can radial motion advance actuation member vertically between the part.
14. method according to claim 12 also comprises:
Operate said ultrasonic surgical instrument, accomplish surgical operation to utilize said surgical technique and tools;
End the operation of said ultrasonic surgical instrument;
The withdraw said far-end of said waveguide; And
From said cavity, draw back said waveguide.
15. method according to claim 13 also comprises:
Operate said ultrasonic surgical instrument, accomplish surgical operation to utilize said surgical technique and tools;
End the operation of said ultrasonic surgical instrument;
Draw back said actuation member vertically to allow said can the radial motion part inwardly the withdrawal; And
From said cavity, draw back said waveguide.
16. a ultrasonic surgical instrument, said ultrasonic surgical instrument have the handpiece that can operatively support at least one ultrasonic transducer therein, said ultrasonic surgical instrument comprises:
Waveguide, said waveguide is outstanding towards the distally from said handpiece, and can operatively interact with said at least one ultrasonic transducer; And
Surgical technique and tools; Said surgical technique and tools has the coupling part of the far-end that can be connected to said waveguide; Make when the said coupling part of said far-end that heat energy is applied to said waveguide or said surgical technique and tools; Said surgical technique and tools is connected to said waveguide, and when interrupting the applying of said heat energy, said surgical technique and tools can separate with said waveguide.
17. ultrasonic surgical instrument according to claim 16; Wherein said waveguide is processed by at least the first material; Make the distal portions at least of said waveguide have first thermal coefficient of expansion; And the said coupling part of wherein said surgical technique and tools comprises the proximal part of being processed by at least the second material; Make the said proximal part of said surgical technique and tools have second thermal coefficient of expansion less than said first thermal coefficient of expansion; Have cavity in the said proximal part of said surgical technique and tools, be contained in the said cavity with the said distal portions with said waveguide, said cavity is with respect to the said distal portions sized and the shape of said waveguide; So that when said distal portions is accommodated in the said cavity, said heat energy is applied under the situation of said distal portions, said distal portions expands so that said distal portions is remained in the said cavity.
18. ultrasonic surgical instrument according to claim 17 comprises that also the heat that is communicated with said waveguide applies device.
19. ultrasonic surgical instrument according to claim 18, wherein said heat apply device and be selected from heat and apply the device group, said heat applies the device group and comprises basically: radio frequency induction coil or resistance heat electrical heating elements.
20. ultrasonic surgical instrument according to claim 17; Wherein said cavity is arranged in the said distal portions of said waveguide; And be contained in the said cavity with said proximal part by sized and shape, and wherein said second thermal coefficient of expansion is greater than said first thermal coefficient of expansion said surgical technique and tools.
21. ultrasonic surgical instrument according to claim 16, wherein said connecting device comprises:
Proximal part, said proximal part can cooperate with the said distal portions of said waveguide; And
At least one can the expansible latch member of selectivity; Said at least one can the expansible latch member of selectivity be positioned on the said surgical technique and tools; And can with the counterpart retentivity of said handpiece engage; Thereby actuated signal is applied to said at least one can the expansible latch member of selectivity the time, the said far-end of said surgical technique and tools is kept engaging ordinatedly with the said distal portions of said waveguide.
22. ultrasonic surgical instrument according to claim 21; The said counterpart of wherein said handpiece comprise can with said at least one can the interactional conical surface of the expansible latch member of selectivity; So that expand when contact when said at least one can selectivity expansible latch member with said conical surface, the said near-end of said surgical technique and tools be compelled with the said distal portions conformability of said waveguide engage.
23. ultrasonic surgical instrument according to claim 22, wherein said at least one can the expansible latch member of selectivity be installed on the cover part of extending towards nearside that is connected on the said surgical technique and tools.
24. ultrasonic surgical instrument according to claim 23 also comprises:
At least one electric contact piece, said at least one electric contact piece are supported in the said cover part of extending towards nearside, and be electrically connected to said at least one can expansible latch member; And
At least one triggers contact; Said at least one triggering contact is supported in the said handpiece; And with the current source electric connection; Said at least one trigger contact and be oriented as when said surgical technique and tools moves to link position and engage with said at least one electric contact piece, make said electric current be allowed to from said current source flow to said at least one can the expansible latch member of selectivity.
25. ultrasonic surgical instrument according to claim 23, wherein interrupt flowing to said at least one can the expansible latch member of selectivity electric current the time, said surgical technique and tools can separate with the said distal portions of said waveguide.
26. ultrasonic surgical instrument according to claim 21, wherein said at least one can the expansible latch member of selectivity process by marmem.
27. a ultrasonic surgical instrument, said ultrasonic surgical instrument have the handpiece that can operatively support at least one ultrasonic transducer therein, said ultrasonic surgical instrument comprises:
Waveguide; Said waveguide is outstanding towards the distally from said handpiece; And can operatively interact with said at least one ultrasonic transducer; So that when triggering said at least one ultrasonic transducer, said waveguide is transferred to the distal portions of said waveguide with heat energy and vibrational energy, and said distal portions comprises can fused alloy material; And
Surgical technique and tools; Said surgical technique and tools has proximal part; Said proximal part has size and is customized to said distal portions is contained in cavity wherein; Make under the situation of when said distal portions is contained in the said cavity said at least one ultrasonic transducer of triggering, saidly can form being welded to connect between said surgical technique and tools and the said waveguide by fused alloy.
28. ultrasonic surgical instrument according to claim 27; Wherein in the time of predetermined length with said at least one ultrasonic transducer of the power trigger of predeterminated level, the power of wherein said predeterminated level is greater than the normal power level of in the operating process of said ultrasonic surgical instrument, using.
29. a ultrasonic surgical instrument, said ultrasonic surgical instrument have the handpiece that can operatively support at least one ultrasonic transducer therein, said ultrasonic surgical instrument comprises:
Elongated devices, said elongated devices are used for from said at least one ultrasonic transducer transmission ultrasonic energy;
Surgical technique and tools; And
Be applied to one of said elongated devices and said surgical technique and tools last time said surgical technique and tools is connected to the connecting device of said slender member connecting signal, said connecting device allows said surgical technique and tools to break away from from said elongated devices in the time of can work as applying of the said connection signal of interruption.
30. ultrasonic surgical instrument according to claim 29, wherein said connection signal comprise electric current is applied at least one device, so that said at least one device is supported on one of said surgical technique and tools and said elongated devices by the breech lock mode.
31. ultrasonic surgical instrument according to claim 29, wherein said connection signal comprise heat energy is applied to one of said elongated devices and said surgical technique and tools.
32. a ultrasonic surgical instrument, said ultrasonic surgical instrument have the handpiece that can operatively support at least one ultrasonic transducer therein, said ultrasonic surgical instrument comprises:
Waveguide, said waveguide is outstanding towards the distally from said handpiece, and can operatively interact with said at least one ultrasonic transducer, and said waveguide is processed by at least the first material, makes the distal portions at least of said waveguide have first thermal coefficient of expansion; And
Surgical technique and tools; Said surgical technique and tools has proximal part; Said surgical technique and tools is processed by at least the second material; Make the said at least proximal part of said surgical technique and tools have second thermal coefficient of expansion less than said first thermal coefficient of expansion; The said proximal part of said surgical technique and tools has the cavity in said proximal part, is contained in the said cavity with the said distal portions with said waveguide, and said cavity is with respect to the said distal portions sized and the shape of said waveguide; So that when said distal portions is accommodated in the said cavity, heat energy is applied under the situation of said distal portions, said distal portions expands so that said distal portions is remained in the said cavity.
33. a method that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument, said ultrasonic surgical instrument have with at least one ultrasonic transducer can operatively be supported on wherein with the interactional handpiece of said waveguide, said method comprises:
With the proximal end arrangement of said surgical technique and tools is to cooperate with the far-end of said waveguide to contact;
Be applied to one of said near-end of said waveguide and said surgical technique and tools with connecting signal, make the said near-end of said surgical technique and tools be connected to the said far-end of said waveguide; And
Interruption applies said connection signal, breaks away from from the said far-end of said waveguide to allow said surgical technique and tools.
34. method according to claim 33, the wherein said step that applies the connection signal comprise heat energy is applied to one of said waveguide and said surgical technique and tools.
35. a method that is used for surgical technique and tools is connected to the waveguide of ultrasonic surgical instrument, said ultrasonic surgical instrument have with at least one ultrasonic transducer can operatively be supported on wherein with the interactional housing of said waveguide, said method comprises:
With the proximal end arrangement of said surgical technique and tools is to cooperate with the far-end of said waveguide to contact; And
In the time enough section, operate said at least one ultrasonic transducer with predetermined power level greater than the normal running power level; So that at least a portion of the said far-end of said waveguide is welded to the said near-end of said surgical technique and tools; And, accomplish the surgical operation task to utilize said surgical technique and tools subsequently with said at least one ultrasonic transducer of normal running power operation.
36. a ultrasonic surgical instrument, said ultrasonic surgical instrument have the handpiece that can operatively support at least one ultrasonic transducer therein, said ultrasonic surgical instrument comprises:
Waveguide, said waveguide is outstanding and can operatively interact with said at least one ultrasonic transducer towards the distally from said handpiece, and said waveguide has far-end, and the instrument that said far-end has therein holds cavity;
Surgical technique and tools; The said instrument that said surgical technique and tools has in the said far-end that can when heat energy is applied to said far-end, be accommodated in said waveguide holds the proximal part in the cavity, and also has the cover part that centers on said near-end and give prominence to from said near-end towards nearside;
Connecting device, said connecting device are used for near-end with said surgical technique and tools and optionally remain on said instrument and hold cavity, and said connecting device comprises:
Locking component; The contiguous said cavity of said locking component is supported on the said near-end of said waveguide; Said locking component can be worked as ultrasonic energy and expand into swelling state from unswollen state when said at least one ultrasonic transducer is applied to said waveguide, and when applying of said ultrasonic energy interrupted, turns back to said unswollen state; And
At least one heat generates and cooling unit; Said at least one heat generates and can be connected to said handpiece with cooling unit with moving and interact with said locking component, and said at least one heat generation and cooling unit can with the counterpart engagement and the disengaging of said outer housing.
37. ultrasonic surgical instrument according to claim 36, wherein when said locking component was in said unswollen state, the said near-end of said surgical technique and tools can not be arranged in said instrument to be held in the cavity.
38. ultrasonic surgical instrument according to claim 36; Wherein said at least one heat generates with each of cooling unit and pivotally is connected to said handpiece, and can pivot along with the said counterpart of said outer housing and said at least one hot generation and the axial mounting engagement of cooling unit into said locking component CONTACT WITH FRICTION.
39. ultrasonic surgical instrument according to claim 36, wherein said at least one heat generates and each self-contained vapo(u)rability liquid of cooling unit.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/469,308 US20100298743A1 (en) | 2009-05-20 | 2009-05-20 | Thermally-activated coupling arrangements and methods for attaching tools to ultrasonic surgical instruments |
| US12/469,308 | 2009-05-20 | ||
| US12/469,293 US9700339B2 (en) | 2009-05-20 | 2009-05-20 | Coupling arrangements and methods for attaching tools to ultrasonic surgical instruments |
| US12/469,293 | 2009-05-20 | ||
| PCT/US2010/035530 WO2010135502A1 (en) | 2009-05-20 | 2010-05-20 | Coupling arrangements and methods for attaching tools to ultrasonic surgical instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102458271A true CN102458271A (en) | 2012-05-16 |
| CN102458271B CN102458271B (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080032636.4A Expired - Fee Related CN102458271B (en) | 2009-05-20 | 2010-05-20 | Coupling arrangements and methods for attaching tools to ultrasonic surgical instruments |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2432403A1 (en) |
| JP (1) | JP2012527325A (en) |
| CN (1) | CN102458271B (en) |
| AU (1) | AU2010249539A1 (en) |
| BR (1) | BRPI1013003A2 (en) |
| CA (1) | CA2762831A1 (en) |
| WO (1) | WO2010135502A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428023A (en) * | 2012-07-09 | 2015-03-18 | 爱尔康研究有限公司 | Rounded-end device for preventing posterior capsular opacification |
| CN106028989A (en) * | 2014-09-05 | 2016-10-12 | 奥林巴斯株式会社 | Treatment tool, distal side probe unit, and base end side probe unit |
| CN107106199A (en) * | 2014-11-25 | 2017-08-29 | 伊西康有限责任公司 | The feature structure of fluid is driven towards the ultrasound knife of surgical instruments |
| CN110087584A (en) * | 2016-12-20 | 2019-08-02 | 皇家飞利浦有限公司 | Connection for appliance for personal care |
| CN113473923A (en) * | 2019-02-21 | 2021-10-01 | 奥瑟菲克斯有限公司 | Improved hand-held set for ultrasonic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6257811B2 (en) * | 2015-06-18 | 2018-01-10 | オリンパス株式会社 | Ultrasonic treatment device |
| WO2020012533A1 (en) * | 2018-07-09 | 2020-01-16 | オリンパス株式会社 | Remanufacturing method of medical device |
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| WO1992022259A2 (en) * | 1991-06-11 | 1992-12-23 | Advanced Osseous Technologies, Inc. | Ultrasonic tool connector |
| WO1998037815A1 (en) * | 1997-02-28 | 1998-09-03 | Ethicon Endo-Surgery, Inc. | Damping ultrasonic transmission components |
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| US6561983B2 (en) * | 2001-01-31 | 2003-05-13 | Ethicon Endo-Surgery, Inc. | Attachments of components of ultrasonic blades or waveguides |
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| US8246642B2 (en) * | 2005-12-01 | 2012-08-21 | Ethicon Endo-Surgery, Inc. | Ultrasonic medical instrument and medical instrument connection assembly |
| US8377044B2 (en) * | 2007-03-30 | 2013-02-19 | Ethicon Endo-Surgery, Inc. | Detachable end effectors |
-
2010
- 2010-05-20 AU AU2010249539A patent/AU2010249539A1/en not_active Abandoned
- 2010-05-20 CA CA2762831A patent/CA2762831A1/en not_active Abandoned
- 2010-05-20 WO PCT/US2010/035530 patent/WO2010135502A1/en active Application Filing
- 2010-05-20 EP EP10720854A patent/EP2432403A1/en not_active Withdrawn
- 2010-05-20 BR BRPI1013003A patent/BRPI1013003A2/en not_active IP Right Cessation
- 2010-05-20 CN CN201080032636.4A patent/CN102458271B/en not_active Expired - Fee Related
- 2010-05-20 JP JP2012512021A patent/JP2012527325A/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1992022259A2 (en) * | 1991-06-11 | 1992-12-23 | Advanced Osseous Technologies, Inc. | Ultrasonic tool connector |
| WO1998037815A1 (en) * | 1997-02-28 | 1998-09-03 | Ethicon Endo-Surgery, Inc. | Damping ultrasonic transmission components |
| US6443969B1 (en) * | 2000-08-15 | 2002-09-03 | Misonix, Inc. | Ultrasonic cutting blade with cooling |
| US6561983B2 (en) * | 2001-01-31 | 2003-05-13 | Ethicon Endo-Surgery, Inc. | Attachments of components of ultrasonic blades or waveguides |
| WO2007143665A2 (en) * | 2006-06-05 | 2007-12-13 | Broncus Technologies, Inc. | Devices for creating passages and sensing blood vessels |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428023A (en) * | 2012-07-09 | 2015-03-18 | 爱尔康研究有限公司 | Rounded-end device for preventing posterior capsular opacification |
| CN104428023B (en) * | 2012-07-09 | 2017-06-30 | 爱尔康研究有限公司 | Circular distal device for preventing posterior capsular opacification |
| CN106028989A (en) * | 2014-09-05 | 2016-10-12 | 奥林巴斯株式会社 | Treatment tool, distal side probe unit, and base end side probe unit |
| CN106028989B (en) * | 2014-09-05 | 2020-01-03 | 奥林巴斯株式会社 | Treatment tool, distal probe unit, and proximal probe unit |
| CN107106199A (en) * | 2014-11-25 | 2017-08-29 | 伊西康有限责任公司 | The feature structure of fluid is driven towards the ultrasound knife of surgical instruments |
| US11589892B2 (en) | 2014-11-25 | 2023-02-28 | Cilag Gmbh International | Features to drive fluid toward an ultrasonic blade of a surgical instrument |
| CN110087584A (en) * | 2016-12-20 | 2019-08-02 | 皇家飞利浦有限公司 | Connection for appliance for personal care |
| CN113473923A (en) * | 2019-02-21 | 2021-10-01 | 奥瑟菲克斯有限公司 | Improved hand-held set for ultrasonic equipment |
| CN113473923B (en) * | 2019-02-21 | 2023-11-21 | 奥瑟菲克斯有限公司 | Improved handset for ultrasonic device |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI1013003A2 (en) | 2018-01-16 |
| CN102458271B (en) | 2014-11-26 |
| AU2010249539A1 (en) | 2011-12-08 |
| EP2432403A1 (en) | 2012-03-28 |
| CA2762831A1 (en) | 2010-11-25 |
| WO2010135502A1 (en) | 2010-11-25 |
| JP2012527325A (en) | 2012-11-08 |
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