CN105232101A - Surgical operating instrument and closing device thereof - Google Patents
Surgical operating instrument and closing device thereof Download PDFInfo
- Publication number
- CN105232101A CN105232101A CN201410327587.7A CN201410327587A CN105232101A CN 105232101 A CN105232101 A CN 105232101A CN 201410327587 A CN201410327587 A CN 201410327587A CN 105232101 A CN105232101 A CN 105232101A
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- CN
- China
- Prior art keywords
- connecting rod
- actuator
- nearside
- gun barrel
- operating instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2933—Transmission of forces to jaw members camming or guiding means
Abstract
The invention relates to the technical field of medical equipment, and discloses a closing device and a surgical operating instrument. The closing device comprises a closing sleeve, a gun barrel and a connecting rod assembly, wherein the closing sleeve sleeves the near end of an end actuator of the surgical operating instrument; the gun barrel has a tubular structure; one end of the far side of the gun barrel is in transmission connection with one end of the near side of the closing sleeve; the connecting rod assembly is in transmission connection with one end of the near side of the gun barrel and a driving piece; and the connecting rod assembly is driven by the driving piece and then drives the gun barrel to move in the direction of an axial lead of a slender body of the surgical operating instrument. The closing device drives a nail anvil and a nail box in the end actuator to open and close, stress of a flexible percussion piece is reduced, and the safety of the surgical operating instrument is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of shutoff device of surgical operating instrument and surgical operating instrument.
Background technology
The operation wound of surgical operating instrument under the mirror of chamber to patient is little, and good operation effect can greatly reduce the misery brought to surgical patient.
For stapler, as shown in Figure 1, stapler comprises operating grip, slender bodies 01 and end effector 04; Wherein, end effector 04 comprises nail anvil 042 and nail kit 041, controls the actuator 03 action flexibility percussion part 02 that can control in shutoff device and drives the nail anvil 042 of end effector 04 and nail kit 041 to close, realize the clamping to tissue by operating grip.
As shown in Figure 2, the distally of flexible percussion part 02 (is nearside near the side of user during operation, side away from user is distally) one end has nail anvil drive division 021 and nail kit limiting section 022, and nearside one end is connected with one end, distally of the actuator 03 of surgical operating instrument; Wherein, nail anvil drive division 021 has bearing pin 023, nail anvil 042 has the cambered surface 0421 deviating from above-mentioned nail kit 041; The one side that nail kit limiting section 022 deviates from nail anvil 042 towards one side and the nail kit of nail kit 041 offsets; For orientation shown in Fig. 2, when distal direction (namely left) is mobile under actuator 03 drives for flexibility percussion part 02, bearing pin 023 and cambered surface 0421 offset, and then drive nail anvil 042 to be rotated counterclockwise around the pivotal axis between nail anvil 042 and nail kit 041, and then the nail anvil 042 of end effector 04 is closed with nail kit 041, when actuator 03 continues to drive flexible percussion part 02 distal direction to move, realize the driving to actions such as cutting and stitching in end effector 04.
Therefore, in surgical operating instrument use procedure, the actions such as the opening and closing of end effector 04 and cutting and stitching all realize driving by flexible percussion part 02.
But, flexibility percussion part 02 in stapler is stacked by multi-disc rigid disk and is welded, the active force that when realizing the actions such as the opening and closing of end effector 04 and cutting and stitching by flexibility percussion part 02, flexible percussion part 02 is subject to is very large, the multi-disc rigid disk of composition flexibility percussion part 02 is very easily made to scatter, flexible percussion part 02 is even caused to be distorted, cause between nail anvil 042 and nail kit 041 closed not in place, make the safety in utilization of stapler lower.
Summary of the invention
The invention provides a kind of shutoff device and surgical operating instrument of surgical operating instrument, the Closed control of this shutoff device to nail anvil in end effector and nail kit is stablized, and improves the safety of outward appearance operating theater instruments.
For achieving the above object, the invention provides following technical scheme:
A shutoff device for surgical operating instrument, comprising:
Be sheathed on the closed sleeve pipe of the end effector near-end of surgical operating instrument;
Gun barrel, has tubular structure, and nearside one end of one end, distally of described gun barrel and described closed sleeve pipe is in transmission connection;
Link assembly, nearside one end of described link assembly and described gun barrel and actuator are in transmission connection, and described link assembly drives described gun barrel to move along the slender bodies direction of axis line of described surgical operating instrument under described actuator drives.
Near the side of user when " nearside " refers to operation, away from the side of user when " distally " refers to operation.
In shutoff device provided by the invention, when needing the nail anvil of end effector and nail kit to close, control actuator distal direction by the firing handle in the operating grip of surgical operating instrument to move, drive link assembly action when actuator distal direction moves, link assembly drives the gun barrel distal direction with tubular structure to move, and then makes closed sleeve pipe distal direction under the driving of gun barrel move to drive the nail anvil of end effector and nail kit to close; When needing the nail anvil of end effector and nail kit to open, control actuator proximal direction to move, when actuator proximal direction moves, drive link assembly resets, gun barrel proximal direction under the drive of link assembly moves, and then makes closed sleeve pipe move to drive nail anvil and nail kit to open along the length direction proximal direction of nail kit.
Therefore, in surgical operating instrument, link assembly, gun barrel and closed sleeve pipe constitute the shutoff device for driving nail anvil and nail kit action in end effector, in end effector, the opening and closing of nail anvil and nail kit is realized by shutoff device, and then the active force that when reducing end effector action, flexible percussion part is subject to, the stability of the assemblies such as flexible percussion part in surgical operating instrument when improve end effector action, and then improve the safety of surgical operating instrument.
Preferably, described link assembly comprises:
First connecting rod, can be installed on the fixed handle of operating grip in surgical operating instrument movably along slender bodies direction of axis line, one end, distally of described first connecting rod is connected with nearside one end of described gun barrel;
Second connecting rod, one end of described second connecting rod and nearside one end pivot joint of described first connecting rod;
Third connecting rod, one end of described third connecting rod is articulated in fixed handle, the other end of described third connecting rod and the other end of described second connecting rod are by pivotal axis pivot joint, the pivotal axis of described third connecting rod and described second connecting rod and the drive surface of described actuator offset, and described third connecting rod is provided with the projection offseting with the spigot surface of described actuator, drive when described actuator resets described link assembly to reset; When described actuator is not pulled the trigger, described second connecting rod and third connecting rod V-shaped, when described actuator moves along the axial line distal direction of described slender bodies, described second connecting rod and described third connecting rod rotate to drive first connecting rod distal direction to move under the driving of described actuator drive surface.
Preferably, nearside one end of described gun barrel is provided with shirt rim, and described first connecting rod is provided with the draw-in groove with the clamping of described shirt rim.
Preferably, described gun barrel comprises rigid pipe and connecting hose, wherein:
One end, distally of described rigid pipe is connected with nearside one end of described connecting hose, and nearside one end of described rigid pipe is connected with one end, distally of described first connecting rod;
One end, distally of described connecting hose is connected with nearside one end of described closed sleeve pipe.
Preferably, nearside one end of described closed sleeve pipe and described connecting hose are by spacing preiection and stopper slot clamping.
Preferably, described spacing preiection is formed at described connecting hose, and described stopper slot is formed at described closed sleeve pipe.
Present invention also offers a kind of surgical operating instrument, comprise operating grip, slender bodies and end effector, nearside one end of described slender bodies is installed on described fixed handle, one end, distally of described slender bodies is connected with nearside one end of described end effector, described operating grip comprises actuator, also comprises any one shutoff device provided in technique scheme.
Preferably, described gun barrel is the housing of described slender bodies.
Preferably, when described link assembly comprises first connecting rod, second connecting rod and third connecting rod, described actuator has:
Pivotal axis when described actuator distal direction moves and between described second connecting rod and third connecting rod offsets, to drive described link assembly action to make the drive surface of described first connecting rod distal direction movement;
When the first connecting rod distal direction in described link assembly moves into place to the supporting surface that the pivotal axis of described second connecting rod and described third connecting rod supports;
The spigot surface that the projection arranged with described third connecting rod offsets, described actuator proximal direction drives described link assembly to reset when moving.
Preferably, described operating grip also comprise be in transmission connection with described actuator, proximal direction drives the movement of described actuator proximal direction reset cap when moving.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of surgical operating instrument in prior art;
The structural representation coordinated between the nail anvil of flexible percussion part and end effector and nail kit in the surgical operating instrument that Fig. 2 is structure shown in Fig. 1;
The structural representation of the surgical operating instrument that Fig. 3 provides for an embodiment of the present invention;
The structural representation of the drive system of the shutoff device that Fig. 4 provides for an embodiment of the present invention;
Structural representation when closed sleeve pipe coordinates with nail anvil and nail kit in the shutoff device that Fig. 5 provides for an embodiment of the present invention;
The structural representation of closed sleeve pipe in the shutoff device that Fig. 6 provides for an embodiment of the present invention;
The structural representation of nail anvil in the end effector of the surgical operating instrument that Fig. 7 provides for an embodiment of the present invention;
The structural representation of nail kit in the end effector of the surgical operating instrument that Fig. 8 provides for an embodiment of the present invention;
The structural representation of gun barrel in the transmission component of the shutoff device that Fig. 9 provides for an embodiment of the present invention;
Link assembly in the shutoff device that Figure 10 provides for an embodiment of the present invention and the fit structure schematic diagram between actuator;
A kind of structural representation of actuator in the surgical operating instrument that Figure 11 provides for an embodiment of the present invention;
The structural representation of third connecting rod in the link assembly of the shutoff device that Figure 12 provides for an embodiment of the present invention;
In the shutoff device that Figure 13 provides for an embodiment of the present invention when the nail anvil of end effector and nail kit are in open configuration the view of link assembly;
In the shutoff device that Figure 14 provides for an embodiment of the present invention when the nail anvil of end effector and nail kit are in closure state the view of link assembly;
The structural representation of actuator in the surgical operating instrument that Figure 15 provides for an embodiment of the present invention.
Reference numeral:
1, fixed handle 2, firing handle 3, rotary sleeve
4, union joint 5, rigid pipe 6, connecting hose
7, closed sleeve pipe 8, nail anvil 9, nail kit
10, actuator 11, link assembly 12, ratchet reseting plate
14, reset cap 21, ratchet 31, curves assembly
61, rib 71, latch 72, stopper slot
73, the end face 81 of closed one end, sleeve pipe distally, nail anvil deviates from the side of nail kit
811, draw-in groove 82, pushing surface 83, slide block
91, arcuate guide hole 101, tooth 102, drive surface
103, spigot surface 104, slide block 105, supporting surface
106, pulling eye 121, guide slots 122, hole
501, shirt rim 1101, first connecting rod 1102, second connecting rod
1103, third connecting rod 1104, pivotal axis 1105, protruding
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of shutoff device of surgical operating instrument and a kind of surgical operating instrument with above-mentioned shutoff device, for ease of being described the work process of shutoff device and operation principle, to the related notion introduced in the process of shutoff device description surgical operating instrument in the present embodiment, therefore, in literary composition, the operation principle of the no longer independent surgical operating instrument to having above-mentioned shutoff device is described.
In addition, in various embodiments of the present invention, away from the side of user when " distally " refers to that this surgical operating instrument is operated, near the side of user when " nearside " then refers to that this surgical operating instrument is operated.
Please refer to Fig. 3, the structural representation of the surgical operating instrument that Fig. 3 provides for an embodiment of the present invention.
As shown in Figure 3, in a kind of specific embodiment, the surgical operating instrument that the embodiment of the present invention provides comprises operating grip, slender bodies and end effector, operating grip is provided with fixed handle 1, firing handle 2 and actuator 10, firing handle 2 is installed on fixed handle 1, preferably, as shown in Fig. 3 and Figure 13, firing handle 2 is provided with ratchet 21 towards one end of actuator 10, actuator 10 is provided with tooth 101 towards the side of ratchet 21, end effector comprises nail anvil 8 and nail kit 9, nearside one end of slender bodies is connected with fixed handle 1, one end, distally is connected with end effector, above-mentioned surgical operating instrument also comprises a kind of being in transmission connection with actuator 10, with the shutoff device of the nail anvil 8 and nail kit 9 opening and closing that drive end effector.
Preferably, above-mentioned surgical operating instrument is chamber mirror stapler.
The structural representation of the drive system of the shutoff device provided for an embodiment of the present invention with reference to figure 4, Fig. 4 incorporated by reference to Fig. 3.
As shown in Figure 4, the shutoff device that the embodiment of the present invention provides, comprising:
Be sheathed on the closed sleeve pipe 7 of the end effector near-end of surgical operating instrument;
Gun barrel, has tubular structure, and nearside one end of one end, distally of gun barrel and closed sleeve pipe 7 is in transmission connection;
Link assembly 11, nearside one end and the actuator 10 of link assembly 11 and gun barrel are in transmission connection, and link assembly 11 drives gun barrel to move along the direction of axis line of slender bodies under actuator 10 drives.
Near the side of user when " nearside " above and hereinafter refers to operation, away from the side of user when " distally " refers to operation.
In shutoff device provided by the invention, when needing the nail anvil 8 of end effector and nail kit 9 to close, control actuator 10 distal direction by the firing handle 2 in the operating grip of surgical operating instrument to move, drive link assembly 11 action when actuator 10 distal direction moves, link assembly 11 drives the gun barrel distal direction with tubular structure to move, and then makes closed sleeve pipe 7 distal direction under the driving of gun barrel move to drive nail anvil 8 and nail kit 9 to close; When needing the nail anvil 8 of end effector and nail kit 9 to open, control actuator 10 proximal direction to move, when actuator 10 proximal direction moves, drive link assembly 11 resets, gun barrel proximal direction under the drive of link assembly 11 moves, and then makes closed sleeve pipe 7 move to drive nail anvil 8 and nail kit 9 to open along the length direction proximal direction of nail kit 9 under the driving of gun barrel.
Therefore, in surgical operating instrument, link assembly 11, gun barrel and closed sleeve pipe 7 constitute the shutoff device for driving nail anvil 8 and nail kit 9 action in end effector, in end effector, the opening and closing of nail anvil 8 and nail kit 9 is realized by shutoff device, and then the active force that when reducing end effector action, flexible percussion part is subject to, the stability of the assemblies such as flexible percussion part in surgical operating instrument when improve end effector action, and then improve the safety of surgical operating instrument.
In a kind of detailed description of the invention, closed sleeve pipe 7 has tubular structure, the closed axial line of sleeve pipe 7 is parallel with the length direction of the nail kit 9 in end effector, the side slip that the medial surface of closed sleeve pipe 7 is formed and the nail kit 9 of end effector deviates from nail anvil 8 coordinates, with the position-limit mechanism making closed sleeve pipe 7 can slide along the length direction of nail kit 9, and deviate from the driving mechanism of side 81 axial limiting of nail kit 9 with nail anvil 8; Concrete, when closed sleeve pipe 7 coordinates with end effector, in nearside one end self-closing device of nail kit 9, closed sleeve pipe 7 is stretched in one end, distally of closed sleeve pipe 7, and can fit slidably in closed sleeve pipe 7 along closed sleeve pipe 7 axial line by the position-limit mechanism that closed sleeve pipe 7 is provided with; Meanwhile, closed sleeve pipe 7 is stretched in one end, distally of nearside one end self-closing sleeve pipe 7 of nail anvil 8, and is assemblied in closed sleeve pipe 7 by the driving mechanism that closed sleeve pipe 7 is provided with; Therefore, drive nail anvil 8 to close with nail kit 9 when gun barrel drives closed sleeve pipe 7 to move relative to nail kit 9 distal direction, drive nail anvil 8 and nail kit 9 to open when gun barrel drives closed sleeve pipe 7 to move relative to nail kit 9 proximal direction.
More specifically, as shown in Figure 5 and Figure 6, the driving mechanism that the medial surface of closed sleeve pipe 7 is formed comprises the latch 71 of the side clamping for deviating from nail kit 9 with nail anvil 8.In end effector, as shown in Figure 8, nearside one end of nail kit 9 is provided with arcuate guide hole 91, and along nearside direction distally, the distance that the centrage in arcuate guide hole 91 and nail kit 9 deviate from nail anvil 8 one side surface increases gradually, and the side that nail kit 9 deviates from nail anvil 8 forms the confined planes be slidably matched with closed sleeve pipe 7 medial surface of shutoff device; As shown in Figure 7, nail anvil 8 is provided with the slide block 83 be slidably matched with arcuate guide hole 91, and the side 81 that nail anvil 8 deviates from nail kit 9 is provided with the draw-in groove 811 with latch 71 clamping of closed sleeve pipe 7, and the side 81 that nail anvil 8 deviates from nail kit 9 is formed and to offset the pushing surface 82 coordinated with the distal face 73 of closed sleeve pipe 7, as shown in Figure 5.
In concrete use procedure, orientation as shown in Figure 5, draw-in groove 811 clamping that the side 81 that the latch 71 that closed sleeve pipe 7 has and nail anvil 8 deviate from nail kit 9 is formed, when needing nail anvil 8 and the nail kit 9 of closed end executor, closed sleeve pipe 7 moves to the distal direction of nail kit 9 under the promotion of transmission component, now, the pushing surface 82 that distal face 73 and the nail anvil 8 of closed sleeve pipe 7 are formed offsets, promote nail anvil 8 to be moved by arcuate guide hole 91 distal direction of slide block 83 along nail kit 9, and then promotion nail anvil 8 turns clockwise around the axial line of slide block 83 while distal direction movement, until fit with the medial surface of closed sleeve pipe 7 in the side 81 that nail anvil 8 deviates from nail kit 9, realize the closed of nail anvil 8 and nail kit 9.
Preferably, incorporated by reference to Fig. 4 with reference to Figure 10, Figure 12, link assembly 11 comprises first connecting rod 1101, second connecting rod 1102, third connecting rod 1103, wherein:
First connecting rod 1101 can be installed on the fixed handle 1 of operating grip in surgical operating instrument along actuator 10 moving direction movably, and one end, distally of first connecting rod 1101 is connected with nearside one end of gun barrel;
One end of second connecting rod 1102 and nearside one end pivot joint of first connecting rod 1101;
One end of third connecting rod 1103 is articulated in operating grip, the other end of third connecting rod 1103 and the other end of second connecting rod 1102 are by pivotal axis 1104 pivot joint, and as shown in figure 12, third connecting rod 1103 is provided with the projection 1105 that drive link assembly 11 resets when actuator 10 resets.
As shown in Figure 11 and Figure 14, when link assembly 11 comprises first connecting rod 1101, second connecting rod 1102, third connecting rod 1103, actuator 10 has:
Pivotal axis 1104 when actuator 10 distal direction moves and between second connecting rod 1102 and third connecting rod 1103 offsets, make the drive surface 102 of first connecting rod 1101 distal direction movement with drive link assembly 11 action;
When first connecting rod 1101 distal direction in link assembly 11 moves into place to the supporting surface 105 that the pivotal axis 1104 of described second connecting rod 1102 and third connecting rod 1103 supports; Preferably, the side surface that supporting surface 105 deviates from its tooth 101 by actuator 10 is formed, and at supporting surface 105 axis parallel with slender bodies, supporting surface 105 is connected with drive surface 102, and drive surface 102 and supporting surface 105 angularly in towards the angle of actuator 10 proximal direction be obtuse angle;
The spigot surface 103 that when projection 1105 arranged with third connecting rod 1103 offsets, actuator 10 proximal direction moves, drive link assembly 11 resets.
Orientation as shown in Figure 10, when actuator 10 distal direction moves, drive surface 102 drives second connecting rod 10 to turn clockwise around the pivotal axis between itself and first connecting rod 1102, and drive third connecting rod 1103 to be rotated counterclockwise around the pivotal axis between itself and the housing of operating grip 1, move until the swivel-axis supports of second connecting rod 1102 and third connecting rod 1103 is in supporting surface 105 to make second connecting rod 1102 with one end distal direction of first connecting rod 1101 pivot joint; Meanwhile, the spigot surface 103 that when actuator 10 also has that the projection 1105 arranged with third connecting rod 1103 offsets, actuator 10 proximal direction moves, drive link assembly 11 resets.
As shown in figure 13, when actuator 10 is not by driving, second connecting rod 1102 and third connecting rod 1103 V-shaped, when actuator 10 moves along the axial line distal direction of slender bodies, second connecting rod 1102 and third connecting rod 1103 rotate to drive first connecting rod 1101 distal direction to move under the driving of actuator 10 drive surface 102, until first connecting rod 1101, be arranged in a linear between second connecting rod 1102 and third connecting rod 1103, as shown in figure 14, now, pivotal axis 1104 between third connecting rod 1103 and second connecting rod 1102 is supported on the supporting surface 105 of actuator 10, prevent first connecting rod 1101, relative motion is produced between second connecting rod 1102 and third connecting rod 1103, the closed sleeve pipe 7 pairs of nail anvils 8 of raising and nail kit 9 close spacing stability.And the spigot surface 103 that now projection 1105 and the actuator 10 of third connecting rod 1103 are formed offsets.
Preferably, nearside one end of gun barrel is provided with shirt rim, and first connecting rod 1101 is provided with the draw-in groove with shirt rim clamping.
Incorporated by reference to Fig. 4 with reference to figure 9, preferably, gun barrel comprises rigid pipe 5 and connecting hose 6, wherein:
One end, distally of rigid pipe 5 is connected with nearside one end of connecting hose 6, and nearside one end of rigid pipe 5 is connected with one end, distally of first connecting rod 1101; As shown in Figure 9, one end, distally of connecting hose 6 is connected with nearside one end of closed sleeve pipe 7.
The arranging of connecting hose 6 can have at the end effector meeting surgical operating instrument curve function relative to slender bodies while can drive closed sleeve pipe 7.Concrete, slender bodies is connected with operating grip by union joint 4, can be driven curve assembly 31 accordingly and drive end effector to curve by rotary sleeve 3.
Preferably, as shown in figure 14, when gun barrel comprises rigid pipe 5 and connecting hose 6, the shirt rim that gun barrel is arranged is the shirt rim 501 that nearside one end of rigid pipe 5 is provided with, the draw-in groove clamping that shirt rim 501 and first connecting rod 1101 are provided with.
Preferably, connecting hose 6 has the rib 61 that the length direction along slender bodies extends, and can improve the intensity of connecting hose 6 on slender bodies direction of axis line.
In a kind of embodiment, closed nearside one end of sleeve pipe 7 and one end, distally of connecting hose 6, by spacing preiection and stopper slot clamping, realize axial location.
More preferably, as shown in Fig. 6 and Fig. 9, spacing preiection is formed in connecting hose 6, and more preferably, when connecting hose 6 is provided with rib 61, spacing preiection is formed in one end, distally of rib 61;
Stopper slot 72 is formed on closed sleeve pipe 7.
Preferably, the rigid pipe 5 in above-mentioned gun barrel is specifically as follows the housing of slender bodies.
In the surgical operating instrument that the present invention also provides, operating grip also comprise be in transmission connection with actuator 10, proximal direction controls the movement of actuator 10 proximal direction reset cap when moving.
Concrete, as shown in Figure 13 and Figure 15, operating grip also comprises ratchet reseting plate 12, and ratchet reseting plate 12 and reset cap 14 are in transmission connection, wherein:
Ratchet reseting plate 12 is provided with the hole 122 of length direction perpendicular to supporting surface 105, and reset cap 14 is provided with the bearing pin vertical and parallel with supporting surface 105 with actuator 10 length direction, bearing pin through hole 122; And:
Coordinate the guide slots 121 be slidably matched and slide block 104 by least two between ratchet reseting plate 12 with actuator 10, the length direction of each guide slots 121 is parallel to each other; In the length direction of each guide slots 121 and actuator 10 between supporting surface angularly in the angle in distally direction be acute angle, and point to distal direction by nearside, the distance between each guide slots 121 centrage along its length and supporting surface 105 reduces gradually; When reset cap 14 proximal direction moves and pulls ratchet reseting plate 12 relative to actuator 10 action, ratchet reseting plate 12 moves relative to the length direction of actuator 10 along guide slots 121, disconnects and engaging between actuator 10 tooth 101 under the displacement component driving of ratchet reseting plate 121 perpendicular to actuator 10 centerline direction to make ratchet 21.
In like manner, preferably, nearside one end of actuator 10 is provided with pulling eye 106, the length direction of pulling eye 106 and the centerline parallel of actuator 10, and the bearing pin that reset cap 14 has runs through above-mentioned pulling eye 106 equally, when after the meshing relation that ratchet reseting plate 12 makes ratchet 21 disconnect between the tooth 101 of actuator 10 under reset cap 14 pulls, continue proximal direction and pull reset cap 14, then actuator 10 proximal direction under reset cap 14 drives moves, and link assembly 11 is resetted.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a shutoff device for surgical operating instrument, is characterized in that, comprising:
Be sheathed on the closed sleeve pipe of the end effector near-end of surgical operating instrument;
Gun barrel, has tubular structure, and nearside one end of one end, distally of described gun barrel and described closed sleeve pipe is in transmission connection;
Link assembly, nearside one end of described link assembly and described gun barrel and actuator are in transmission connection, and described link assembly drives described gun barrel to move along the slender bodies direction of axis line of described surgical operating instrument under described actuator drives.
2. shutoff device according to claim 1, is characterized in that, described link assembly comprises:
First connecting rod, can be installed on the fixed handle of operating grip in surgical operating instrument movably along slender bodies direction of axis line, one end, distally of described first connecting rod is connected with nearside one end of described gun barrel;
Second connecting rod, one end of described second connecting rod and nearside one end pivot joint of described first connecting rod;
Third connecting rod, one end of described third connecting rod is articulated in described fixed handle, the other end of described third connecting rod and the other end of described second connecting rod are by pivotal axis pivot joint, the pivotal axis of described third connecting rod and described second connecting rod and the drive surface of described actuator offset, and described third connecting rod is provided with the projection offseting with the spigot surface of described actuator, drive when described actuator resets described link assembly to reset; When described actuator is not pulled the trigger, described second connecting rod and third connecting rod V-shaped, when described actuator moves along the axial line distal direction of described slender bodies, described second connecting rod and described third connecting rod rotate to drive first connecting rod distal direction to move under the driving of described actuator drive surface.
3. shutoff device according to claim 2, is characterized in that, nearside one end of described gun barrel is provided with shirt rim, and described first connecting rod is provided with the draw-in groove with the clamping of described shirt rim.
4. shutoff device according to claim 2, is characterized in that, described gun barrel comprises rigid pipe and connecting hose, wherein:
One end, distally of described rigid pipe is connected with nearside one end of described connecting hose, and nearside one end of described rigid pipe is connected with one end, distally of described first connecting rod;
One end, distally of described connecting hose is connected with nearside one end of described closed sleeve pipe.
5. shutoff device according to claim 4, is characterized in that, nearside one end of described closed sleeve pipe and described connecting hose are by spacing preiection and stopper slot clamping.
6. shutoff device according to claim 5, is characterized in that, described spacing preiection is formed at described connecting hose, and described stopper slot is formed at described closed sleeve pipe.
7. a surgical operating instrument, comprise operating grip, slender bodies and end effector, nearside one end of described slender bodies is installed on described fixed handle, one end, distally of described slender bodies is connected with nearside one end of described end effector, described operating grip comprises fixed handle, firing handle and actuator, described firing handle is provided with ratchet towards one end of described actuator, actuator forms tooth towards the side of described ratchet, it is characterized in that, also comprise the shutoff device as described in any one of claim 1 ~ 6.
8. surgical operating instrument according to claim 7, is characterized in that, described gun barrel is the housing of described slender bodies.
9. surgical operating instrument according to claim 7, is characterized in that, when described link assembly comprises first connecting rod, second connecting rod and third connecting rod, described actuator has:
Pivotal axis when described actuator distal direction moves and between described second connecting rod and third connecting rod offsets, to drive described link assembly action to make the drive surface of described first connecting rod distal direction movement;
When the first connecting rod distal direction in described link assembly moves into place to the supporting surface that the pivotal axis of described second connecting rod and described third connecting rod supports;
The spigot surface that the projection arranged with described third connecting rod offsets, described actuator proximal direction drives described link assembly to reset when moving.
10. surgical operating instrument according to claim 9, is characterized in that, described operating grip also comprise be in transmission connection with described actuator, proximal direction drives the movement of described actuator proximal direction reset cap when moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327587.7A CN105232101B (en) | 2014-07-09 | 2014-07-09 | The shutoff device and surgical operating instrument of surgical operating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327587.7A CN105232101B (en) | 2014-07-09 | 2014-07-09 | The shutoff device and surgical operating instrument of surgical operating instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105232101A true CN105232101A (en) | 2016-01-13 |
| CN105232101B CN105232101B (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410327587.7A Active CN105232101B (en) | 2014-07-09 | 2014-07-09 | The shutoff device and surgical operating instrument of surgical operating instrument |
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| CN (1) | CN105232101B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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|---|---|
| CN105232101B (en) | 2018-02-06 |
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Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Applicant after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Applicant before: Reach Surgical Instrument (China) Co.,Ltd. |
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