CN103690213A - Surgical linear anastomat with automatic anastomosis nail loading function - Google Patents
Surgical linear anastomat with automatic anastomosis nail loading function Download PDFInfo
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- CN103690213A CN103690213A CN201310750263.XA CN201310750263A CN103690213A CN 103690213 A CN103690213 A CN 103690213A CN 201310750263 A CN201310750263 A CN 201310750263A CN 103690213 A CN103690213 A CN 103690213A
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- nail bin
- nail
- standby
- anastomosis staple
- anastomosis
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
Abstract
The invention discloses a surgical linear anastomat with an automatic anastomosis nail loading function. The surgical linear anastomat has the technical advantages that anastomosis nails mounted in nail bins are divided into primarily loaded anastomosis nails and a plurality of standby anastomosis nails, driving mechanisms in a nail bin assembly drive nail legs of the standby anastomosis nails in nail storage holes via nail driving grooves of nail driving rods to move after pushing nail pushing blocks to push the primarily loaded anastomosis nails out of nail holes of the nail bins, each standby anastomosis mail in the corresponding nail storage hole is loaded to the upper side of an end surface of the nail pushing block in the nail storage hole of the corresponding nail bin, each other standby anastomosis nail is sequentially shifted to the original position of the corresponding previous standby anastomosis nail, and then is sequentially pushed out of the corresponding nail hole of the corresponding nail bin by the corresponding nail pushing block, and accordingly the nail bins can be continuously reused in surgical areas without being taken out of the surgical areas to be replaced.
Description
Technical field
The present invention relates to the anastomosis staple of installing in various surgical linear anastomats, specially refer to the anastomosis staple of installing in the straight shape stiching instrument of surgery, also specially refer to the anastomosis staple of installing in the straight shape Endo-GIA of surgery, also specially refer to the anastomosis staple of installing in surgery arc-shaped cutting anastomat, also specially refer to the anastomosis staple of installing in the mirror surgical linear Endo-GIA of chamber, relate more specifically to the anastomosis staple of installing in the linear anastomat of various Motorized surgicals.
Background technology
Various surgical linear anastomats are used for replacing surgical operation to adopt the free-hand identical operation of needlework, be widely used in the operations such as the end end of human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank Organ and tissue, distolateral and side to side anastomosis, form the operation of the operation of passage, the operation of close incisions and clamping or cutting, be specially adapted to appear the anastomosis operation with the Organ and tissue of operating difficulties, can reduce operating time, improve operation quality.
Shape Endo-GIA as straight in the surgery of United States Patent (USP) publicity 20050222616, the surgery arc-shaped cutting anastomat of United States Patent (USP) publicity 20050247753, the straight shape anastomat of small-sized surgery of United States Patent (USP) publicity 20060219752, the chamber mirror surgical incision anastomat of United States Patent (USP) publicity 20100200639, the straight shape stiching instrument of surgery of United States Patent (USP) publicity 20130015230, the various electronic surgical linear anastomat of United States Patent (USP) publicity 20130018361 and other are various manual, or electronic, or surge, or introduce in pneumatic surgical linear anastomat: surgical linear anastomat is by nail bin groupware, nail-anvil assembly and operating mechanism form.In nail bin groupware, there is nail bin and be arranged on anastomosis staple and the ejector pin piece in nail bin, and can cutter need to be installed according to using.On the surface of the nail anvil in nail-anvil assembly, there is the nail anvil grooving forming after indent.The lip-deep nail anvil grooving of nail anvil is mutually corresponding with the position of anastomosis staple in nail bin.After between operating mechanism is by the nail anvil of mutually drawing close wait the clamp tissue of coincideing and nail bin, operating mechanism is carried out percussion operation, promote ejector pin piece releases anastomosis staple in nail bin, the nail tip of anastomosis staple is penetrated clamped after the tissue that coincide, flexural deformation on the nail anvil grooving of anastomosis staple on nail anvil, by anastomosis staple bending forming, reach and will organize identical operation object.The content of the various surgical linear anastomats of above-mentioned United States Patent (USP) publicity is incorporated to this description by reference.
The unsatisfactory place of above-mentioned various surgical linear anastomats is, each ejector pin piece that promotes is released anastomosis staple identical tissue in nail bin, due in nail bin without anastomosis staple, therefore need to change one and the nail bin of anastomosis staple is housed or changes a nail bin that anastomosis staple and cutter are housed, could continue the operation that coincide and organize next time.On the one hand, in operation process, frequently surgical linear anastomat is taken out and changes nail bin from field of operation, again the surgical linear anastomat after replacing nail bin is put into field of operation and continue to use, can cause pollution in operating time length, operation mistake, art, instrumentation high in cost of production problem.On the other hand, but the operation itself of changing nail bin also easily occurs to change wrong nail bin, change used nail bin once, forgotten to change nail bin, the mistake that causes malpractice such as continue to use, therefore the insurance institution of a set of complexity has all been installed in various surgical linear anastomats, to prevent above-mentioned accident.On the one hand, owing to needing repeatedly to use various surgical linear anastomats in most of surgical operations, the labor intensity of operative doctor is very large, affects quality of medical care again, and therefore the value of the clinical practice of various electronic surgical linear anastomats is very large.If need repeatedly to change nail bin in operation, cause frequent starting and the braking of the linear anastomat of Motorized surgical, the starting current of motor and starting power are the rated current of motor and several times of rated power, thereby need to configure jumbo battery, the volume that makes the linear anastomat of Motorized surgical is larger, weight is heavier, cost is higher, has seriously hindered the clinical practice of various electronic surgical linear anastomats.A kind of surgical linear anastomat is introduced in United States Patent (USP) publicity 20130056522: several the nail bins that are installed in series in surgical linear anastomat, and after the nail bin when is above used, taken out, then a nail bin is below released and used, change successively nail bin.The unsatisfactory place of this surgical linear anastomat is although be convenient to change nail bin, but still need take out the nail bin being replaced from surgical linear anastomat.A kind of surgical linear anastomat is introduced in United States Patent (USP) publicity 20110284613: in surgical linear anastomat, conveyer belt is installed, is inserted with anastomosis staple on conveyer belt; When anastomosis staple is released in nail bin, rotate conveyer belt, the anastomosis staple being inserted on conveyer belt is sent into nail bin.The unsatisfactory place of this surgical linear anastomat is, is inserted in anastomosis staple position on conveyer belt built on the sand, the location when affecting anastomosis staple and being admitted to nail bin; Conveyer belt occupies larger apparatus inner space, makes the number of times of conveyer belt transmission anastomosis staple limited, also affects the working effect of other parts.Therefore surgical linear anastomat also needs to improve.
By above-mentioned, obviously can be found out, a large amount of not surgical linear anastomats have in specie been designed now, and the development work of new surgical linear anastomat is still continuing, to annual a large amount of surgical linear anastomats that use are in the world improved further, both reached minimizing operating time, operation mistake, in art, pollute, the object of instrumentation cost, reach again and avoid occurring to change wrong nail bin, change once used nail bin, but forgotten to change the object that nail bin continues the malpracticees such as use, also to reach the clinical use cost of the linear anastomat of remarkable reduction Motorized surgical, to expand scope and the quantity of the clinical use of the linear anastomat of Motorized surgical, reach the labor intensity that alleviates operative doctor, improve the object of quality of medical care.
Summary of the invention
The object of the invention is to propose a kind of surgical linear anastomat with self-chambering anastomosis staple function, the anastomosis staple that realization is installed in nail bin is divided into just dress anastomosis staple and many standby anastomosis staples, driving mechanism in nail bin groupware promotes ejector pin piece by just filling anastomosis staple and releasing in the nail hole of nail bin, driving mechanism drives the nail lower limb of the standby anastomosis staple in Chu Ding hole to move by driving the nail groove that drives of nail bar, each the corresponding end face top of following closely the ejector pin piece in hole that a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively, by ejector pin piece, in the nail hole of nail bin, released successively again, reach and can in field of operation, use repeatedly continuously and needn't be from taking out the technique effect of changing nail bin in field of operation, its use cost is starkly lower than existing surgical linear anastomat, even if the use cost of the linear anastomat of Motorized surgical is low than existing manual surgical linear anastomat also.Therefore, the surgical linear anastomat with self-chambering anastomosis staple function of the present invention had both reached the object that reduces pollution in operating time, operation mistake, art, instrumentation cost, but reach again and avoid occur changing wrong nail bin, change once used nail bin, forgotten to change the object that nail bin continues the malpracticees such as use, also reach the clinical use cost of the linear anastomat of remarkable reduction Motorized surgical, with expand scope and the quantity of the clinical use of the linear anastomat of Motorized surgical, reach alleviate operative doctor labor intensity, improve the object of quality of medical care.
The object of the invention is to be achieved through the following technical solutions:
Nail bin groupware in the surgical linear anastomat with self-chambering anastomosis staple function of the present invention is comprised of nail bin, nail bin frame and driving mechanism.Nail bin and driving mechanism are arranged in nail bin frame.It is linear that nail bin is, can be both rectilinear, also can be curved.Two dog holeses that are at least staggered in nail bin are provided with ejector pin piece and anastomosis staple in nail bin.Anastomosis staple is comprised of a nail beam and two nail lower limbs.The middle part of the nail beam of anastomosis staple can be protruded to two directions of following closely the nail tip of lower limbs, makes a nail beam and two nail lower limbs of anastomosis staple be W shape.The nail beam of anastomosis staple also can be straight, and a nail beam and two nail lower limbs of anastomosis staple are taken the shape of the letter U.The nail beam of anastomosis staple and nail lower limb can be also other shapes.The cross section of the nail silk of anastomosis staple can be circle, polygon or other geometries.
The anastomosis staple of installing in nail bin of the present invention is divided into just dress anastomosis staple and standby anastomosis staple.Just dress anastomosis staple is arranged in the nail hole of nail bin, its nail beam is positioned at above the end face of ejector pin piece.In the side in each nail hole in nail bin, respectively there is Chu Ding hole.A standby anastomosis staple is at least installed in each Chu Ding hole.In nail bin, at least install two and drive oncomelania bar.Each nail lower limb of anastomosis staple is inserted in respectively in each screw channel that drives nail screw flight.
When driving mechanism promotes ejector pin piece by just filling anastomosis staple and releasing in the nail hole of nail bin, driving mechanism is first withdrawn into ejector pin piece the bottom of nail bin from the top of nail bin, then drive and drive nail bolt rotary, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the standby anastomosis staple in Chu Ding hole, will in each Chu Ding hole, be contained in each corresponding end face top of following closely the ejector pin piece in hole of nail bin with the standby anastomosis staple that just dress anastomosis staple is adjacent.If many standby anastomosis staples are installed in each Chu Ding hole, other standby anastomosis staples move to original position of last standby anastomosis staple successively, driving mechanism first promotes ejector pin piece again standby anastomosis staple is released in the nail hole of nail bin, then ejector pin piece is withdrawn into the bottom of nail bin from the top of nail bin, rotate and drive oncomelania bar again, the screw channel that drives nail screw flight drives the nail lower limb of the standby anastomosis staple in Chu Ding hole to move again, each the corresponding end face top of following closely the ejector pin piece in hole that the standby anastomosis staple of another in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple more successively.Standby anastomosis staple in each Chu Ding hole respectively has a standby anastomosis staple to be loaded into each corresponding end face top of following closely the ejector pin piece in hole of nail bin in the above described manner at every turn, then by ejector pin piece, in the nail hole of nail bin, is released successively.
Nail bin of the present invention can be closed up and be formed by left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin.Two dog holeses are at least respectively staggered in left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin.On two sides of left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, arrange respectively the Chu Ding hole of the side in a plurality of straight-through each nail holes, a standby anastomosis staple is at least installed in each Chu Ding hole.After left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin close up, be arranged in nail bin frame, between left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, have tool slot.
The screw channel that drives nail screw flight of the present invention can be between the adjacent nail lower limb of two adjacent anastomosis staples, and the nail lower limb adjacent each other of two adjacent anastomosis staples is inserted in respectively in the screw channel of the same screw thread that drives oncomelania bar both sides.Driving nail screw flight can be double thread or one start screw.
Of the present invention driving on oncomelania bar can be fixed with gear.Drive gear fixing on oncomelania bar, during for rectilinear nail bin, can adopt roller gear, during for curved nail bin, can adopt conical gear.Driving mechanism drives the gear on oncomelania bar by rotation, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the standby anastomosis staple in Chu Ding hole, each the corresponding end face top of following closely the ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
Each gear driving on oncomelania bar with row can be intermeshing with same tooth bar.Driving mechanism rotates the gear on oncomelania bar that drives with row by mobile rack, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the standby anastomosis staple in Chu Ding hole, each the corresponding end face top of following closely the ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
The adjacent gear driving on oncomelania bar also can be intermeshing.Driving mechanism drives gear on oncomelania bar to drive the intermeshing gear driving on oncomelania bar to rotate together by what rotate nail bin one end, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the standby anastomosis staple in Chu Ding hole, each the corresponding end face top of following closely the ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
In driving mechanism of the present invention, can there be inclined-plane push pedal rotating disk mechanism and sheave intermittent indexing mechanism.Push pedal rotating disk mechanism in inclined-plane is comprised of the front and back skewback of traveling priority and the rotating disk of the projection that distributes on end face in nail bin groupware.Sheave intermittent indexing mechanism forms by being constrained on the active driver plate and the driven sheave that rotate in nail bin groupware.Driver plate end face be circumferentially distributed with round pin and evagination circular arc.The radial slot, locking arc and the gear that on sheave, have circumferential distribution.The rotating disk of inclined-plane push pedal rotating disk mechanism and the driver plate of sheave intermittent indexing mechanism are combined into one.
When driving mechanism drives the skewback of inclined-plane push pedal rotating disk mechanism to start to move forward in nail bin groupware, skewback promotes the projection of rotating disk along the lower inclined plane slip of skewback, thereby drive driver plate to rotate in nail bin groupware, the evagination circular arc of driver plate unclamps the locking arc of sheave, and the radial slot that the round pin of driver plate enters sheave drives sheave to rotate in nail bin groupware.Gear on sheave drives the gear on oncomelania bar by rotation, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the standby anastomosis staple in Chu Ding hole, each the corresponding end face top of following closely the ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively, and then the projection of skewback disengaging rotating disk continues to move forward.
When driving mechanism drives skewback to move backward near terminal in nail bin groupware, skewback promotes the projection of rotating disk along the ramp slip of skewback, thereby drives driver plate to rotate, and drives the projection on rotating disk end face to forward resting state to.
When the projection of skewback disengaging rotating disk continues to move forward, the round pin of driver plate can be stayed the exit of the radial slot of sheave sheave is pinned.When driving mechanism drives skewback to move backward near terminal in nail bin groupware, the locking arc that the evagination circular arc of driver plate can enter sheave pins sheave.
Gear on the sheave of sheave intermittent motion mechanism can mesh by gear mechanism with the gear driving on oncomelania bar.
Gear on the sheave of sheave intermittent motion mechanism and the gear driving on oncomelania bar also can be intermeshing with same toothed rack respectively.The gear that gear on the sheave of sheave intermittent motion mechanism drives on oncomelania bar by rack drives rotates.
The sheave of sheave intermittent motion mechanism also can be fixed on and drive on oncomelania bar.
The technical characterictic with the surgical linear anastomat of self-chambering anastomosis staple function of the present invention also can obtain other various technical schemes by various combinations.
Accompanying drawing explanation
Fig. 1 means the outside drawing of the nail bin groupware in the surgical linear anastomat with self-chambering anastomosis staple function of the present invention;
Fig. 2 means that the nail bin groupware of Fig. 1 removes the outside drawing after nail bin frame;
Fig. 3 means that the nail bin groupware of Fig. 2 removes the outside drawing after right slit bamboo or chopped wood nail bin and in-built part thereof;
Fig. 4 mean the nail bin groupware of Fig. 3 remove left slit bamboo or chopped wood nail bin, cutter storehouse and tiltedly carve after outside drawing;
Fig. 5 means the outside drawing of left slit bamboo or chopped wood nail bin;
Fig. 6 means the outside drawing of right slit bamboo or chopped wood nail bin;
Fig. 7 means anastomosis staple, drives the part installation outside drawing of oncomelania bar and ejector pin piece;
Fig. 8 means the single outside drawing that drives oncomelania bar;
Fig. 9 means the outside drawing of single ejector pin piece;
Figure 10 means the outside drawing with row's ejector pin piece;
Figure 11 means the right side outside drawing when nail bin groupware of Fig. 4 is prepared the first percussion operation;
Figure 12 means the left side outside drawing when nail bin groupware of Figure 11 is prepared the first percussion operation;
Figure 13 means the right side outside drawing when nail bin groupware of Fig. 4 completes the first percussion operation;
Figure 14 means the left side outside drawing when nail bin groupware of Figure 13 completes the first percussion operation;
Figure 15 means the right side outside drawing when nail bin groupware of Fig. 4 is prepared the second percussion operation;
Figure 16 means the left side outside drawing when nail bin groupware of Figure 15 is prepared the second percussion operation;
Figure 17 means the right side outside drawing when nail bin groupware of Fig. 4 completes the second percussion operation;
Figure 18 means the left side outside drawing when nail bin groupware of Figure 17 completes the second percussion operation;
Figure 19 means the inclined-plane push pedal rotating disk mechanism of Figure 11 and the right side outside drawing of sheave intermittent indexing mechanism;
Figure 20 means the inclined-plane push pedal rotating disk mechanism of Figure 19 and the left side outside drawing of sheave intermittent indexing mechanism;
Figure 21 means the right side outside drawing of inclined-plane push pedal rotating disk mechanism and sheave intermittent indexing mechanism when part completes binding and tool changing for the first time;
Figure 22 means the inclined-plane push pedal rotating disk mechanism of Figure 21 and the left side outside drawing of sheave intermittent indexing mechanism;
The right side outside drawing of inclined-plane push pedal rotating disk mechanism and sheave intermittent indexing mechanism when Figure 23 has meaned binding and tool changing for the first time;
Figure 24 means the inclined-plane push pedal rotating disk mechanism of Figure 23 and the left side outside drawing of sheave intermittent indexing mechanism;
Figure 25 means the gear and the intermeshing outside drawing of gear that drives oncomelania bar of sheave intermittent indexing mechanism;
Figure 26 means that the sheave of sheave intermittent indexing mechanism is fixed on the outside drawing driving on oncomelania bar;
Figure 27 means the gear and the intermeshing outside drawing of gear that drives cutter screw rod of sheave intermittent indexing mechanism;
Figure 28 means that the sheave of sheave intermittent motion mechanism is fixed on the outside drawing driving on cutter screw rod;
Figure 29 means the gear and the intermeshing outside drawing of gear that drives cutter screw rod of inclined-plane push pedal rotating disk mechanism.
The specific embodiment
By way of example, state by reference to the accompanying drawings the most preferred embodiment with the surgical linear anastomat of self-chambering anastomosis staple function of the present invention below.Scope of the present invention will be pointed out in the claims.Will be appreciated that some or all accompanying drawing is all for the explanation sketch of most preferred embodiment of the present invention is described, and the full-size(d) of part shown in not depicting.With reference to describing in detail of most preferred embodiment, understand with will be more readily apparent from reach the present invention above-mentioned with practical ways other objects and advantages.
For the ease of illustrating technical characterictic, technical scheme and the technique effect of the surgical linear anastomat with self-chambering anastomosis staple function of various embodiments of the invention, in various embodiment, only mainly illustrate below the nail bin groupware driving mechanism part relevant to nail bin groupware with operating mechanism in surgical linear anastomat, the content in each piece of United States Patent (USP) publicity that concrete structure in various surgical linear anastomats of nail-anvil assembly and operating mechanism and function are quoted in can the background technology with reference to this description.
In the the accompanying drawings and the following description, term " near-end " refers to that surgical linear anastomat is near one end of operator, and term " far-end " refers to that surgical linear anastomat is away from one end of operator.Other directional terminology can be understood in description with reference to the accompanying drawings and below.As shown in Figure 1, direction 1 represent near or after, direction 2 represents far away or front, direction 3 represents left, direction 4 represents right, direction 5 represents upper or top, direction 6 represents lower or the end.
Fig. 1 to Fig. 5 represents the nail bin groupware 7 in the surgical linear anastomat with self-chambering anastomosis staple function of the present invention.Nail bin groupware 7 is comprised of nail bin 8, nail bin frame 9 and driving mechanism 10.Nail bin 8 and driving mechanism 10 are arranged in nail bin frame 9.Two dog holeses 12 are respectively staggered in the both sides of the tool slot 11 of nail bin 8.Ejector pin piece 13 and anastomosis staple 14 are installed in nail bin 8.
As shown in Fig. 2 to Figure 12, the anastomosis staple 14 of nail bin 8 interior installations is divided into just dress anastomosis staple 15 and three standby anastomosis staples 16,17 and 18.Just dress anastomosis staple 15 is arranged on end face 20 tops that nail hole 12 is interior, its nail beam 19 is positioned at ejector pin piece 13 of nail bin 8.In the side in each nail hole 12 in nail bin 8, respectively there is Chu Ding hole 21.Three standby anastomosis staples 16,17 and 18 are respectively installed in each Chu Ding hole 21.In the interior installation of nail bin 8, drive oncomelania bar 22.Just the nail lower limb 23 of dress anastomosis staple 15 and 24 and the nail lower limb 25,26,27,28,29 and 30 of standby anastomosis staple 16,17 and 18 be inserted in respectively in the screw channel 31 of each screw thread that drives oncomelania bar 22.
As shown in Figure 13 to Figure 18, when promoting ejector pin piece 13, driving mechanism 10 will just fill anastomosis staple 15 from the interior release in nail hole 12 of nail bin 8, driving mechanism 10 is first withdrawn into ejector pin piece 13 bottom of nail bin 8 from the top of nail bin 8, then drive and drive 22 rotations of oncomelania bar, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move the standby anastomosis staple 16 in Chu Ding hole 21, 17 and 18 nail lower limb 25, 26, 27, 28, 29 and 30, a standby anastomosis staple 16 each Chu Ding hole 21 is interior and that just dress anastomosis staple 15 is adjacent is contained in each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 of nail bin 8, other standby anastomosis staples 17 and 18 move to original position of last standby anastomosis staple successively.Driving mechanism 10 first promotes ejector pin piece 13 interior release in nail hole 12 from nail bin 8 by standby anastomosis staple 16 again, then ejector pin piece 13 is withdrawn into the bottom of nail bin 8 from the top of nail bin 8, rotate and drive oncomelania bar 22 again, 31 of screw channels that drive the screw thread of oncomelania bar 22 drive standby anastomosis staple 17 in Chu Ding hole 21 and 18 nail lower limb 27 again, 28, 29 and 30 move, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that the standby anastomosis staple 17 of another in each Chu Ding hole 21 packed into nail bin 8, 18 original positions that move to successively more last standby anastomosis staple of other standby anastomosis staples. Standby anastomosis staple 16,17 and 18 in each Chu Ding hole 21 is each each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that respectively have a standby anastomosis staple to be loaded into nail bin 8 in the above described manner, the interior release in nail hole 12 from nail bin 8 by ejector pin piece 13 successively.
As shown in Figures 1 to 8, nail bin 8 is closed up and is formed by left slit bamboo or chopped wood nail bin 32 and right slit bamboo or chopped wood nail bin 33.Two dog holeses 34 and 35 are respectively staggered in left slit bamboo or chopped wood nail bin 32 and right slit bamboo or chopped wood nail bin 33.On two sides of left slit bamboo or chopped wood nail bin 32 and right slit bamboo or chopped wood nail bin 33, arrange respectively the Chu Ding hole 36 and 37 of the side of a plurality of straight-through each nail holes 34 and 35.Three standby anastomosis staples 16,17 and 18 are respectively installed in each Chu Ding hole 36 or 37.After left slit bamboo or chopped wood nail bin 32 and right slit bamboo or chopped wood nail bin 33 close up, be arranged in nail bin frame 9, between left slit bamboo or chopped wood nail bin 32 and right slit bamboo or chopped wood nail bin 33, have tool slot 11.
As shown in Figure 7 and Figure 8, drive the screw channel 31 of screw thread of oncomelania bar 22 between adjacent two anastomosis staples 38 and 39 adjacent nail lower limb 40 and 41, adjacent two anastomosis staples 38 and 39 adjacent nail lower limb 40 and 41 are inserted in respectively in the screw channel 31 of the same double thread that drives oncomelania bar 22 both sides.
As shown in Figure 11 to Figure 18, drive and on oncomelania bar 22, be fixed with gear 44.Driving mechanism 10 drives the gear 44 on oncomelania bar 22 by rotation, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move standby anastomosis staple 16,17 in Chu Ding hole 21 and 18 nail lower limb 25,26,27,28,29 and 30, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that at every turn a standby anastomosis staple in each Chu Ding hole 21 packed into nail bin 8, other standby anastomosis staples move to original position of last standby anastomosis staple successively.Each gear 44 driving on oncomelania bar 22 with row is intermeshing with same tooth bar 45.Driving mechanism 10 rotates the gear 44 on oncomelania bar 22 that drives with row by mobile rack 45, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move standby anastomosis staple 16,17 in Chu Ding hole 21 and 18 nail lower limb 25,26,27,28,29 and 30, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that at every turn a standby anastomosis staple in each Chu Ding hole 21 packed into nail bin 8, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
As shown in Figure 19 to Figure 24, in driving mechanism 10, there are inclined-plane push pedal rotating disk mechanism 46 and sheave intermittent indexing mechanism 47.Inclined-plane push pedal rotating disk mechanism 46 is comprised of the rotating disk 52 of the skewback 48 at the interior front and back of nail bin groupware 7 traveling priority and distribute on end face projection 49,50 and 51.Sheave intermittent indexing mechanism 47 is comprised of the active driver plate 53 and the driven sheave 54 that are constrained on nail bin groupware 7 interior rotations.Driver plate 53 end faces be circumferentially distributed with round pin 55,56 and 57 and evagination circular arc 58,59 and 60.The radial slot 61,62,63 and 64 and locking arc 65,66,67 and 68 and gear 69 that has circumferential distribution on sheave 52.The rotating disk 52 of inclined-plane push pedal rotating disk mechanism 46 is combined into one with the driver plate 53 of sheave intermittent indexing mechanism 47.
The skewback 48 that drives inclined-plane push pedal rotating disk mechanisms 46 when driving mechanism 10 is nail bin groupware 7 is interior while starting to move forward, the projection 51 that skewback 48 departs from rotating disk 52 moves forward (seeing Figure 19), now, the evagination circular arc 58 of driver plate 53 in the locking arc 65 of sheave 54, the round pin 55 of driver plate 53 exit of staying the radial slot 61 of sheave 54 pins (seeing Figure 20) by sheave 54.Driving mechanism 10 promotes ejector pin piece 13 and will just fill the nail hole 12 interior release of anastomosis staple 15 from nail bin 8.
When promoting ejector pin piece 13, driving mechanism 10 will just fill anastomosis staple 15 from the interior release in nail hole 12 of nail bin 8, after driving mechanism 10, move, first ejector pin piece 13 is withdrawn into the bottom of nail bin 8 from the top of nail bin 8, while then driving skewback 48 to move backward near terminal in nail bin groupware 7, skewback 48 promotes the projection 49 of rotating disk 52 along ramp 71 slips of skewback 48, thereby drive driver plate 53 to rotate, drive the projection 50 on rotating disk 52 end faces to forward resting state (seeing Figure 21) to.When driving mechanism 10 drives skewbacks 48 to move backward near terminal in nail bin groupware 7, (seeing Figure 22) pins by sheave 54 in the import department that the evagination circular arc 58 of driver plate 53 is stayed in the locking arc 65 of sheave 54, the round pin 56 of driver plate 53 enters the radial slot 62 of sheave 54.
When driving mechanism 10 drives the skewback 48 of inclined-plane push pedal rotating disk mechanism 46 to start to move forward again in nail bin groupware 7, skewback 48 promotes the projection 50 of rotating disk 52 along lower inclined plane 70 slips (seeing Figure 21 and 23) of skewback 48, thereby drive driver plate 53 in the interior rotation of nail bin groupware 7, the evagination circular arc 58 of driver plate 53 unclamps the locking arc 65 of sheave 54, and the radial slot 62 that the round pin 56 of driver plate 53 enters sheave 54 drives sheave 54 in the interior rotation of nail bin groupware 7 (seeing Figure 22).Gear 69 on sheave 54 drives the gear 44 on oncomelania bar 22 by rotation, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move standby anastomosis staple 16,17 in Chu Ding hole 21 and 18 nail lower limb 25,26,27,28,29 and 30, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that at every turn a standby anastomosis staple in each Chu Ding hole 21 packed into nail bin 8, other standby anastomosis staples move to original position of last standby anastomosis staple successively
(seeing Figure 24) pinned by sheave 54 in the exit that when projection 50 that departs from rotating disks 52 when skewback 48 continues to move forward again, the evagination circular arc 59 of driver plate 53 has entered in the locking arc 66 of sheave 54, the round pin 56 of driver plate 53 is stayed the radial slot 62 of sheave 54.
When driving mechanism 10 drives skewback 48 to move backward near terminal in nail bin groupware 7 again, skewback 48 promotes the projection 51 of rotating disk 52 along ramp 71 slips of skewback 48, thereby drive driver plate 53 to rotate, drive the projection 49 on rotating disk 52 end faces to forward resting state to.When driving mechanism 10 drives skewbacks 48 to move backward near terminal in nail bin groupware 7, sheave 54 pins in the import department that the evagination circular arc 59 of driver plate 53 is stayed in the locking arc 66 of sheave 54, the round pin 57 of driver plate 53 enters the radial slot 63 of sheave 54.
As shown in figure 25, the gear 69 on the sheave 54 of sheave intermittent motion mechanism 47 also can be by idler gear 42 and gear 44 engagements of driving on oncomelania bar 22, and the adjacent gear 44 driving on oncomelania bar 22 also can be intermeshing.Driving mechanism 10 drives gear 72 on oncomelania bar 72 to drive the intermeshing gear 44 driving on oncomelania bar 22 to rotate together by what rotate nail bin 8 near-ends, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move standby anastomosis staple 16,17 in Chu Ding hole 21 and 18 nail lower limb 25,26,27,28,29 and 30, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that at every turn a standby anastomosis staple in each Chu Ding hole 21 packed into nail bin 8, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
As shown in figure 26, the sheave 54 of sheave intermittent motion mechanism 47 also can be fixed on and drive on oncomelania bar 22, and the adjacent gear 44 driving on oncomelania bar 22 also can be intermeshing.Driving mechanism 10 drives gear 72 on oncomelania bar 72 to drive the intermeshing gear 44 driving on oncomelania bar 22 to rotate together by what rotate nail bin 8 near-ends, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move standby anastomosis staple 16,17 in Chu Ding hole 21 and 18 nail lower limb 25,26,27,28,29 and 30, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that at every turn a standby anastomosis staple in each Chu Ding hole 21 packed into nail bin 8, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
As shown in Figure 11 to Figure 24, in nail bin groupware 7 of the present invention, be provided with and tiltedly carve 74, cutter storehouse 75, knife rest 76 and cutter 77.Tiltedly carve 74 and knife rest 76 be constrained in nail bin groupware 7 and can move forward and backward.Cutter storehouse 75 is constrained in nail bin groupware 7 and can moves to side.The cutter groove 78 that has separation on cutter storehouse 75.Cutter 77 are divided into just dress cutter 79 and standby cutter 80,81 and 82.Just dress cutter 79 and standby cutter 80,81 and 82 are arranged in the cutter groove 78 in cutter storehouse 75, and wherein just dress cutter 79 are now arranged on knife rest 76.
When driving mechanism 10 promotes tiltedly to carve 74 and knife rest 76 while moving forward in nail bin groupware 8, tiltedly carve the interior release in nail hole 12 from nail bin 8 by anastomosis staple 14 of 74 promotion ejector pin pieces 13, meanwhile, just fill cutter 79 by knife rest 76 from the interior release of cutter groove 78 in cutter storehouse 75, follow knife rest 76 and move forward together.
When driving mechanism 10 with movable knife rack 76, after nail bin groupware 7 is interior, move by just fill cutter 79 reload the cutter groove 78 in cutter storehouse 75 interior after, driving mechanism 10 is with moving knife storehouse 75 to side, to move nail bin groupware 7 is interior again, make just dress cutter 79 to side, move together with following cutter storehouse 75 with standby cutter 80,81 and 82, to just fill cutter 79 and take away knife rest 76, cutter storehouse 75, by being arranged on knife rest 76 with the standby cutter 80 of the first of first dress cutter 79 vicinities, completes the action of changing first cutter 77 simultaneously.
When driving mechanism 10 promotes tiltedly to carve 74 and knife rest 76 during in the interior reach of nail bin groupware 7 again, tiltedly carve the interior release in nail hole 12 from nail bin 8 by anastomosis staple 14 of 74 promotion ejector pin pieces 13, simultaneously, knife rest 76 is the interior release of cutter groove 78 from cutter storehouse 75 by the standby cutter 80 of the first, makes the standby cutter 80 of the first follow knife rest 76 and moves forward together.When driving mechanism 10 again with movable knife rack 76, after nail bin groupware 7 is interior, move by the first standby cutter 80 reload the cutter groove 78 in cutter storehouse 75 interior after, driving mechanism 10 is with moving knife storehouse 75 to side, to move nail bin groupware 7 is interior again, make just dress cutter 79 to side, move together with following cutter storehouse 75 with standby cutter 80,81 and 82, the standby cutter 80 of the first are taken away to knife rest 76, cutter storehouse 75, by being arranged on knife rest 76 with the second standby cutter 81 of standby cutter 80 vicinities of the first, completes 77 actions of changing cutter again simultaneously.The standby cutter 80,81 and 82 that are arranged in the cutter groove 78 in cutter storehouse 75 have the standby cutter of a vicinity to be arranged on knife rest 76 by cutter storehouse 75 in the above described manner successively, again by knife rest 76 from the interior release of cutter groove 78 in cutter storehouse 75, again by knife rest 76 reload in the cutter groove 78 in cutter storehouse 75, again by cutter storehouse 75 moving belts from knife rest 76, complete successively the action of changing cutter 77.
On cutter storehouse 75, there is screw mechanism 83.Driving mechanism 10, by driving screw mechanism 83 band moving knife storehouses 75 on cutter storehouse 75 to move to side nail bin groupware 7 is interior, completes the action of changing cutter 77.
On the sheave 54 of sheave intermittent motion mechanism 47, be fixed with gear 69, driving of the screw mechanism 83 on cutter storehouse 75 is fixed with gear 86 on cutter screw rod 84.The gear 86 driving on cutter screw rod 84 on gear 69 on the sheave 54 of sheave intermittent motion mechanism 47 and cutter storehouse 75 is intermeshing with same toothed rack 44 respectively.Gear 69 on the sheave 54 of sheave intermittent motion mechanism 47 is driven and is driven gear 86 on cutter screw rod 84 with the nut 85 in moving knife storehouse 75 on cutter storehouses 75 by tooth bar 44, and cutter storehouse 75 is moved to side nail bin groupware 7 is interior, completes the action of changing cutter 77.
The skewback 48 that drives inclined-plane push pedal rotating disk mechanisms 46 when driving mechanism 10 is nail bin groupware 7 is interior while starting to move forward, projection 49 on skewback 48 promotion rotating disk 52 end faces slides along the lower inclined plane 70 of skewback 48, thereby drive driver plate 53 in the interior rotation of nail bin groupware 7, driver plate 53 drives sheave 54 in the interior rotation of nail bin groupware 7 again, gear 69 on sheave 54 drives the gear 86 on cutter screw rod 84 by rotation, drive the cutter screw rod 84 band moving knife storehouses 75 of driving on cutter storehouse 75 to side, to move nail bin groupware 7 is interior, complete the action of changing cutter 77.
When driving mechanism 10 drives skewback 48 to move backward near terminal in nail bin groupware 7, projection 50 on skewback 48 promotion rotating disk 52 end faces slides along the ramp 71 of skewback 48, thereby drive driver plate 53 in the interior rotation of nail bin groupware 7, driver plate 53 drives sheave 54 in the interior rotation of nail bin groupware 7 again, and sheave 54 drives the cutter screw rod 84 band moving knife storehouses 75 of driving on cutter storehouse 75 to side, to move nail bin groupware 7 is interior again.
As shown in figure 27, on the sheave 54 of sheave intermittent motion mechanism 47, can be fixed with gear 87, driving on cutter screw rod 84 on cutter storehouse 75 can be fixed with gear 88.Gear 87 on the sheave 54 of sheave intermittent motion mechanism 47 is intermeshing with the gear 88 driving on cutter screw rod 84.Gear 87 on sheave 54 drives the gear 88 on cutter screw rod 84 by rotation, drives the cutter screw rod 84 band moving knife storehouses 75 of driving on cutter storehouse 75 to side, to move nail bin groupware 7 is interior, completes the action of changing cutter 77.
As shown in figure 28, the sheave 54 of sheave intermittent motion mechanism 47 is fixed on driving on cutter screw rod 84 of screw mechanism 83 on cutter storehouse 75.The sheave 54 of sheave intermittent motion mechanism 47 drives cutter screw rod 84 with the nut 85 in moving knife storehouse 75 by driving on cutter storehouse 75, and cutter storehouse 75 is moved to side nail bin groupware 7 is interior, completes the action of changing cutter 77.
As shown in figure 29, the gear 43 of inclined-plane push pedal rotating disk mechanism 46 is intermeshing with the gear 88 that drives cutter screw rod 84.The gear 43 of inclined-plane push pedal rotating disk mechanism 46 is by driving the gear that drives cutter screw rod 84 88 on cutter storehouse 75, with the nut 85 in moving knife storehouse 75, cutter storehouse 75 moved nail bin groupware 7 is interior to side, completes the action of changing cutter 77.
As shown in Figures 9 and 10, on the ejector pin piece 13 of nail bin 8 interior installations of the present invention, there is stairstepping projection 89.Stairstepping projection 89 is the lower rank 90 of stairstepping projection 89 at the near-end of ejector pin piece 13, at the far-end of ejector pin piece 13, is the upper rank 91 of stairstepping projection 89.Stretch out to the front extreme direction of ejector pin piece 13 on the upper rank 91 of stairstepping projection 89.
When anastomosis staple 14 is positioned at end face 20 top of ejector pin piece 13, each ejector pin piece 13 is positioned at the bottom of nail bin 8, and the extension on the upper rank 91 of the stairstepping projection 89 of each ejector pin piece 13 covers successively on the lower rank 90 of the stairstepping projection 89 of last adjacent ejector pin piece 13.
As shown in Figure 13 and 14, Figure 17 and 18, when driving mechanism 10 drive tiltedly carve 74 reaches promote ejector pin pieces 13 by anastomosis staple 14 when releasing successively in the nail hole 12 of nail bin 8, each ejector pin piece 13 is moved upwards up to the top of nail bin 8 successively.
As shown in Figure 11 to Figure 18, in driving mechanism 10, there is depression bar 92.On depression bar 92, there are forearm 93 and postbrachium 94.Depression bar 92 can be in the interior rotation of nail bin groupware 7.Tiltedly carve 74 and have front bevel 95 and back bevel 96.
When anastomosis staple 14 is positioned at end face 20 top of ejector pin piece 13, each ejector pin piece 13 is positioned at the bottom of nail bin 8, and the extension on the upper rank 91 of the stairstepping projection 89 of each ejector pin piece 13 covers successively on the lower rank 90 of the stairstepping projection 89 of adjacent ejector pin piece 13.
When driving mechanism 10 drives, tiltedly carve 74 reaches promote ejector pin pieces 13 anastomosis staple 14 is released successively in the nail hole 12 of nail bin 8, each ejector pin piece 13 is moved upwards up to the top of nail bin 8 successively.
With retreading, carve the near-end that moves on to nail bin groupware 7 after 74, depression bar 92 in driving mechanism 10 pushes back the lower rank 99 of the stairstepping projection 98 of the ejector pin piece 97 of the most proximal end of nail bin 8 bottom of nail bin 8, simultaneously, the extension on the upper rank 100 of the stairstepping projection 98 of the ejector pin piece 97 of most proximal end is pressed on the lower rank 103 of stairstepping projection 102 of adjacent ejector pin piece 101, the lower rank 103 of the stairstepping projection 102 of adjacent ejector pin piece 101 are pushed back to the bottom of nail bin 8, the extension on the upper rank 91 of the stairstepping projection 89 of all the other each ejector pin pieces 13 is also pressed on the lower rank 90 of stairstepping projection 89 of adjacent ejector pin piece 13 successively, make whole ejector pin pieces 13 in nail bin 8 all the depression bar 92 in driven-mechanism 10 from the top of nail bin 8, push back the bottom of nail bin 8.
When anastomosis staple 14 is positioned at end face 20 top of ejector pin piece 13, the forearm 93 of depression bar 92 is pressed onto the lower rank 99 of the stairstepping projection 98 of the ejector pin piece 97 of the most proximal end of nail bin 8 bottom of nail bin 8, the extension on the upper rank 91 of the stairstepping projection 89 of each ejector pin piece 13 covers successively on the lower rank 90 of the stairstepping projection 89 of adjacent ejector pin piece 13, makes whole ejector pin pieces 13 be positioned at the bottom of nail bin 8.
When driving mechanism 10 drives, tiltedly carve 74 while starting to move forward, tiltedly carve 74 front bevel 95 and will on the forearm of depression bar 92 93, lift, make the forearm 93 of depression bar 92 depart from the lower rank 99 of stairstepping projection 98 of ejector pin piece 97 of the most proximal end of nail bins 8.Then tiltedly carve 74 continuation reaches, promote the interior release in nail hole 12 from nail bin 8 by anastomosis staple 14 of ejector pin piece 13, make each ejector pin piece 13 be moved upwards up to successively the top of nail bin 8.
With retreading, carve the near-end that moves on to nail bin groupware 7 after 74, tiltedly carving 74 back bevel 96 will lift on the postbrachium of depression bar 92 94, make the forearm 93 of depression bar 92 the lower rank 99 of the stairstepping projection 98 of the ejector pin piece 97 of the most proximal end of nail bin 8 are pressed onto to the bottom of nail bin 8, simultaneously, the extension on the upper rank 100 of the stairstepping projection 98 of the ejector pin piece 97 of most proximal end is pressed on the lower rank 90 of stairstepping projection 89 of adjacent ejector pin piece 13, the extension on the upper rank 91 of the stairstepping projection 89 of all the other each ejector pin pieces 13 is also pressed on the lower rank 90 of stairstepping projection 89 of adjacent ejector pin piece 13 successively, make whole ejector pin pieces 13 in nail bin 8 all the depression bar 92 in driven-mechanism 10 from the top of nail bin 8, push back the bottom of nail bin 8.
When promoting ejector pin piece 13, driving mechanism 10 will just fill anastomosis staple 15 from the interior release in nail hole 12 of nail bin 8, depression bar 92 in driving mechanism 10 first pushes back ejector pin piece 13 bottom of nail bin 8 from the top of nail bin 8, then drive and drive 22 rotations of oncomelania bar, make to drive the screw channel 31 of oncomelania bar 22 by screw thread and move the standby anastomosis staple 16 in Chu Ding hole 21, 17 and 18 nail lower limb 25, 26, 27, 28, 29 and 30, a standby anastomosis staple 16 each Chu Ding hole 21 is interior and that just dress anastomosis staple 15 is adjacent is contained in each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 of nail bin 8, standby anastomosis staple 17 and 18 moves to original position of last standby anastomosis staple successively, driving mechanism 10 first promotes ejector pin piece 13 interior release in nail hole 12 from nail bin 8 by standby anastomosis staple 16 again, then ejector pin piece 13 is pushed back to the bottom of nail bin 8 from the top of nail bin 8, rotate and drive oncomelania bar 22 again, 31 of screw channels that drive the screw thread of oncomelania bar 22 drive standby anastomosis staple 17 in Chu Ding hole 21 and 18 nail lower limb 27 again, 28, 29 and 30 move, each corresponding end face 20 tops of following closely the ejector pin piece 13 in hole 12 that the standby anastomosis staple 17 of another in each Chu Ding hole 21 packed into nail bin 8, 18 original positions that move to successively more last standby anastomosis staple 17 of standby anastomosis staple.Standby anastomosis staple 16,17 and 18 in each Chu Ding hole 21 has a standby anastomosis staple to be loaded into end face 20 tops of the ejector pin piece 13 in each corresponding nail hole 12 of nail bin 8 the interior release in nail hole 12 from nail bin 8 by ejector pin piece 13 successively in the above described manner at every turn.
According to above-mentioned introduce in detail known, the anastomosis staple that the surgical linear anastomat with self-chambering anastomosis staple function of the present invention is installed in nail bin is divided into just dress anastomosis staple and many standby anastomosis staples, driving mechanism in nail bin groupware promotes ejector pin piece by just filling anastomosis staple and releasing in the nail hole of nail bin, driving mechanism drives the nail lower limb of the standby anastomosis staple in Chu Ding hole to move by driving the nail groove that drives of nail bar, each the corresponding end face top of following closely the ejector pin piece in hole that a standby anastomosis staple in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively, by ejector pin piece, in the nail hole of nail bin, released successively again, reach and can in field of operation, use repeatedly continuously and needn't be from taking out the technique effect of changing nail bin in field of operation, its use cost is starkly lower than existing surgical linear anastomat, even if the use cost of the linear anastomat of Motorized surgical is low than existing manual surgical linear anastomat also.Therefore, the surgical linear anastomat with self-chambering anastomosis staple function of the present invention had both reached the object that reduces pollution in operating time, operation mistake, art, instrumentation cost, but reach again and avoid occur changing wrong nail bin, change once used nail bin, forgotten to change the object that nail bin continues the malpracticees such as use, also reach the clinical use cost of the linear anastomat of remarkable reduction Motorized surgical, with expand scope and the quantity of the clinical use of the linear anastomat of Motorized surgical, reach alleviate operative doctor labor intensity, improve the object of quality of medical care.
So can find out that above-mentioned stated target comprises by illustrating that those shown targets have been effectively achieved above.Described here is only the typical best form of implementation of the present patent application, can do some to said structure and change also without prejudice to the spirit and scope of the present invention.The present invention is not limited to the detail stated here, and should retain affiliated field secondary technology personnel as stated in the restriction of claim, is apparent any improvement or remodeling.
Claims (11)
1. a surgical linear anastomat with self-chambering anastomosis staple function: the nail bin groupware in described surgical linear anastomat is comprised of nail bin, nail bin frame and driving mechanism, described nail bin and driving mechanism are arranged in described nail bin frame, it is linear that nail bin is, two dog holeses are at least staggered in nail bin, ejector pin piece and anastomosis staple are installed in described nail bin, and described anastomosis staple is comprised of a nail beam and two nail lower limbs;
It is characterized in that:
The anastomosis staple of installing in described nail bin is divided into just dress anastomosis staple and standby anastomosis staple, described just dress anastomosis staple is arranged in the nail hole of described nail bin, its nail beam is positioned at above the end face of described ejector pin piece, in the side in each nail hole in described nail bin, respectively there is Chu Ding hole, a described standby anastomosis staple is at least installed in Chu Ding hole described in each, in described nail bin, at least install two and drive oncomelania bar, each nail lower limb of described anastomosis staple is inserted in respectively in the screw channel that drives nail screw flight described in each;
When described driving mechanism promotes ejector pin piece by just filling anastomosis staple and releasing in the nail hole of nail bin, driving mechanism is first withdrawn into ejector pin piece the bottom of nail bin from the top of nail bin, then drive and drive nail bolt rotary, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the described standby anastomosis staple in described Chu Ding hole, will in each Chu Ding hole, be contained in each corresponding end face top of following closely the ejector pin piece in hole of nail bin with the standby anastomosis staple that just dress anastomosis staple is adjacent, if many standby anastomosis staples are installed in each Chu Ding hole, other standby anastomosis staples move to original position of last standby anastomosis staple successively, driving mechanism first promotes ejector pin piece again standby anastomosis staple is released in the nail hole of nail bin, then ejector pin piece is withdrawn into the bottom of nail bin from the top of nail bin, rotate and drive oncomelania bar again, the screw channel that drives nail screw flight drives the nail lower limb of the standby anastomosis staple in Chu Ding hole to move again, each the corresponding end face top of following closely the ejector pin piece in hole that the standby anastomosis staple of another in each Chu Ding hole is packed into nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple more successively, standby anastomosis staple in each Chu Ding hole respectively has a standby anastomosis staple to be loaded into each corresponding end face top of following closely the ejector pin piece in hole of nail bin in the above described manner at every turn, then by ejector pin piece, in the nail hole of nail bin, is released successively.
2. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 1, it is characterized in that, described nail bin is closed up and is formed by left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, two dog holeses are at least respectively staggered in described left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, on two sides of left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, arrange respectively a plurality of straight-through Chu Ding holes of following closely the side in hole described in each, a described standby anastomosis staple is at least installed in Chu Ding hole described in each, after closing up, left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin be arranged in described nail bin frame, between left slit bamboo or chopped wood nail bin and right slit bamboo or chopped wood nail bin, there is tool slot.
3. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 1, it is characterized in that, the described screw channel that drives nail screw flight is between the adjacent nail lower limb of two adjacent described anastomosis staples, and the nail lower limb adjacent each other of two adjacent anastomosis staples is inserted in respectively in the screw channel of the same screw thread that drives oncomelania bar both sides.
4. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 1, it is characterized in that, described driving on oncomelania bar is fixed with gear, described driving mechanism drives the gear on oncomelania bar described in rotating, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the described standby anastomosis staple in described Chu Ding hole, each the corresponding end face top of following closely the described ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into described nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
5. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 4, is characterized in that, intermeshing with the gear and the same tooth bar that drive on oncomelania bar described in each of row; Described driving mechanism rotates the described gear on oncomelania bar that drives with row by mobile described tooth bar, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the described standby anastomosis staple in described Chu Ding hole, each the corresponding end face top of following closely the described ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into described nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
6. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 4, is characterized in that, the gear driving on oncomelania bar described in adjacent is intermeshing; Described driving mechanism drives gear on oncomelania bar to drive the intermeshing gear driving on oncomelania bar to rotate together by what rotate described nail bin one end, described in making, drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the described standby anastomosis staple in described Chu Ding hole, each the corresponding end face top of following closely the described ejector pin piece in hole that at every turn one in each Chu Ding hole described standby anastomosis staple is packed into described nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively.
7. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 4, it is characterized in that, in described driving mechanism, there are inclined-plane push pedal rotating disk mechanism and sheave intermittent indexing mechanism, described inclined-plane push pedal rotating disk mechanism is comprised of the front and back skewback of traveling priority and the rotating disk of the projection that distributes on end face in described nail bin groupware, described sheave intermittent indexing mechanism forms by being constrained on the active driver plate and the driven sheave that rotate in nail bin groupware, described driver plate end face be circumferentially distributed with round pin and evagination circular arc, the radial slot that has circumferential distribution on described sheave, locking arc and gear, the rotating disk of described inclined-plane push pedal rotating disk mechanism and the driver plate of sheave intermittent indexing mechanism are combined into one,
When driving mechanism drives the skewback of inclined-plane push pedal rotating disk mechanism to start to move forward in nail bin groupware, skewback promotes the projection of described rotating disk along the lower inclined plane slip of skewback, thereby drive driver plate to rotate in nail bin groupware, the evagination circular arc of driver plate unclamps the locking arc of sheave, the radial slot that the round pin of driver plate enters sheave drives sheave to rotate in nail bin groupware, gear on sheave drives the gear on oncomelania bar described in rotating, make to drive oncomelania bar and by the screw channel of screw thread, move the nail lower limb of the described standby anastomosis staple in described Chu Ding hole, each the corresponding end face top of following closely the described ejector pin piece in hole that at every turn a standby anastomosis staple in each Chu Ding hole is packed into described nail bin, other standby anastomosis staples move to original position of last standby anastomosis staple successively, then the projection of skewback disengaging rotating disk continues to move forward,
When driving mechanism drives skewback to move backward near terminal in nail bin groupware, skewback promotes the projection of rotating disk along the ramp slip of skewback, thereby drives driver plate to rotate, and drives the projection on rotating disk end face to forward resting state to.
8. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 7, is characterized in that, when the projection of described skewback disengaging rotating disk continues to move forward, the round pin of described driver plate is stayed the exit of the radial slot of sheave sheave is pinned; When driving mechanism drives skewback to move backward near terminal in nail bin groupware, the locking arc that the evagination circular arc of driver plate enters sheave pins sheave.
9. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 7, is characterized in that, the gear on the sheave of described sheave intermittent motion mechanism with described in the gear that drives on oncomelania bar intermeshing.
10. the surgical linear anastomat with self-chambering anastomosis staple function according to claim 7, it is characterized in that, gear on the sheave of described sheave intermittent motion mechanism and described in the gear that drives on oncomelania bar intermeshing with same toothed rack respectively, the gear that the gear on the sheave of sheave intermittent motion mechanism drives on oncomelania bar by described rack drives rotates.
The 11. surgical linear anastomats with self-chambering anastomosis staple function according to claim 7, is characterized in that, described in the sheave of described sheave intermittent motion mechanism is fixed on, drive on oncomelania bar.
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| CN201310750263.XA CN103690213B (en) | 2013-12-31 | 2013-12-31 | There is the surgical linear anastomat of self-chambering anastomosis staple function |
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| CN201310750263.XA CN103690213B (en) | 2013-12-31 | 2013-12-31 | There is the surgical linear anastomat of self-chambering anastomosis staple function |
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| CN103690213B CN103690213B (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104758022A (en) * | 2014-01-02 | 2015-07-08 | 上海创亿医疗器械技术有限公司 | Nail pushing block in nail bin assembly of linear anastomat in surgical department |
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| WO2003030743A2 (en) * | 2001-10-05 | 2003-04-17 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN101966093A (en) * | 2010-09-28 | 2011-02-09 | 常州市康迪医用吻合器有限公司 | Cavity mirror surgical incision anastomat with replaceable nail bin |
| CN102056553A (en) * | 2008-06-12 | 2011-05-11 | 伊西康内外科公司 | A partially reusable surgical stapler |
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| WO2003030743A2 (en) * | 2001-10-05 | 2003-04-17 | Tyco Healthcare Group Lp | Surgical stapling device |
| EP2623043A1 (en) * | 2001-10-05 | 2013-08-07 | Covidien LP | Surgical stapling device |
| CN102056553A (en) * | 2008-06-12 | 2011-05-11 | 伊西康内外科公司 | A partially reusable surgical stapler |
| CN101966093A (en) * | 2010-09-28 | 2011-02-09 | 常州市康迪医用吻合器有限公司 | Cavity mirror surgical incision anastomat with replaceable nail bin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104758022A (en) * | 2014-01-02 | 2015-07-08 | 上海创亿医疗器械技术有限公司 | Nail pushing block in nail bin assembly of linear anastomat in surgical department |
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| CN103690213B (en) | 2015-09-09 |
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