CN103767752A - Surgical instrument with safety device capable of being operated with single hand - Google Patents
Surgical instrument with safety device capable of being operated with single hand Download PDFInfo
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- CN103767752A CN103767752A CN201410003065.1A CN201410003065A CN103767752A CN 103767752 A CN103767752 A CN 103767752A CN 201410003065 A CN201410003065 A CN 201410003065A CN 103767752 A CN103767752 A CN 103767752A
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- nail
- safety
- firing
- trigger
- executor
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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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The invention provides a surgical instrument with a safety device capable of being operated with single hand. The surgical instrument with the safety device capable of being operated with the single hand comprises an actuator, an intermediate connecting body and a controller. The actuator, the intermediate connecting body and the controller are connected in sequence, the actuator comprises a nail bin assembly, a nail anvil assembly and a driving assembly, and the controller comprises a triggering trigger mechanism and a triggering safety mechanism. According to the surgical instrument with the safety device capable of being operated with the single hand, under the premise that safety is not lowered, an anastomat can be operated with the single hand to open the triggering safety mechanism, risks in an operation process can be lowered, and operation time can be shortened.
Description
Technical field
The present invention relates to surgical instruments, especially a kind of surgical operation anastomat, particularly, relates to the safety of improved surgical instruments, can realize the convenient and safe insurance function of opening by one-handed performance apparatus.
Background technology
The action principle of surgical stapling, is that the jaw (be commonly referred to nail-anvil assembly and nail bin groupware) corresponding by two is closed with grasping tissue, then the metal suturing nail in anastomat nail storehouse is released to molding, by tissue apposition together.In some anastomat, cutter are also housed, for the tissue of having sewed up is cut off and opened.
The anastomat with above-mentioned functions includes executor, intermediate connector and a controller.Executor is made up of nail-anvil assembly, nail bin groupware and driven unit.Nail-anvil assembly comprises a nail forming surface, and nail forming surface comprises many nail-arranging slots, and nail groove is for the molding of metal suturing nail.Nail bin groupware generally comprises nail bin, suturing nail, ejector pin piece and ejector pin slide block and nail bin seat, and the upper surface of nail bin is tissue contact surface, and nail bin is arranged in nail bin seat.Nail-anvil assembly movably links together at the near-end of near-end and nail bin groupware, and can between open configuration and closed condition, change.Driven unit is connected with drive mechanism, for the action of firing trigger being converted to closing, pull the trigger and opening action of executor.Generally, nail-anvil assembly and nail bin seat also respectively comprise a cannelure, and above-mentioned cannelure is used for holding driven unit to be passed through.When driven unit is by above-mentioned cannelure during to executor's distal movement, can order about nail-anvil assembly and nail bin groupware is converted to closed condition from open configuration, and order about ejector pin slide block and ejector pin piece and eject suturing nail molding in the nail groove of the nail forming surface of nail-anvil assembly.Generally, driven unit also comprises cutter, for being sewn at tissue after nail stitching, between many nails line, cuts and organizes.Controller, for manual control operation apparatus, has generally comprised a fixed handle, the firing trigger that is dynamically connected relative to fixed handle, and one group of transmission firing trigger moves to executor's drive mechanism, a hand-reset assembly.When executor's nail bin groupware and nail-anvil assembly are during in closure state, operate that manual reset assembly can order about nail bin groupware and nail-anvil assembly recovers open configuration.Intermediate connector is movably connected with the far-end of controller, and links together with executor's near-end, and intermediate connector forms an interface channel, for realizing, the action of firing trigger is passed to executor.
The Endo GIA Universal Endo-GIA of Tyco Healthcare company of the U.S. (renaming as afterwards Covidien), and the Echelon Endo-GIA of Ethicon Endo-Surgery company of the U.S. is the representational product of realizing above-mentioned functions.The said goods is sold for many years, is also proved to have good clinical application effect by market.But the design of these apparatuses still has needs perfect place, such as apparatus is in operating process, the percussion safety device of apparatus needs both hands cooperation just can open, and is unfavorable for operative doctor operating apparatus in operation process.
For example, in U.S. Pat 5,865, in 361, Tyco Healthcare is described function and the design of Endo GIA Universal Endo-GIA (hereinafter to be referred as Endo GIA anastomat).In the time operating the firing trigger of Endo GIA anastomat, the nail-anvil assembly of anastomat and nail bin groupware will change closed condition into from open configuration, clamp destination organization; After correct grasping tissue, doctor is before decision coincide and cuts and organizes, first need by the auxiliary percussion safety button of pressing anastomat of another hands to open percussion safety device, then could again operate firing trigger and carry out subsequent action, this makes troubles to instrumentation, brings additional risk to operation.In micro-wound surgical operation, doctor sometimes two handss operates respectively different apparatuses, if a certain apparatus needs two handss to operate simultaneously, doctor need to first unclamp another apparatus of gripping.In micro-wound surgical operation, be not subject to apparatus that doctor controls to be arranged in external controller likely and be shifted because of the unexpected touching of art, a small amount of displacement of apparatus controller just may cause the executor's of apparatus far-end a large amount of uncontrolled displacement; Because of the tissue in executor and the surgical target district of apparatus far-end and organ very close to, tissue and organ near executor's uncontrolled displacement likely damages.In interim inoperation apparatus chamber, some doctor can extract this apparatus out external, to avoid risk; In some cases, apparatus can be held up and be held by the interim catcher of other doctor; Sometimes, doctor just unclamps apparatus, and the far-end of apparatus is pressed against in the gap of some tissue or tissue, these movements or can extend operating time, or there is the risk of damaged tissue and organ.
If under the prerequisite of sacrificing security not, doctor can open firing safety mechanism by one-handed performance anastomat, will reduce the risk in operation process, shorten operating time.
Summary of the invention
The object of this invention is to provide a kind of surgical instruments of improved safety one-hand operation.Specifically, relate to a kind of Endo-GIA that can apply under open surgery or endoscope-assistant surgery.Can realize tissue clamping according to apparatus provided by the invention (hereinafter referred to as anastomat), realize the molding of at least one row's suturing nail; Under some application conditions, can also realize tissue cutting, between many row's suturing nail lines, tissue is cut open.
According to the surgical instruments of safety one-hand operation provided by the invention, comprise executor, intermediate connector and controller, described executor, intermediate connector, controller connect successively, described controller comprises firing trigger, firing safety mechanism, the first axle and the second axle, described firing safety mechanism comprises percussion insurance trigger, it is characterized in that:
Described firing trigger can be along the first axle rotation of controller;
Described percussion insurance trigger can be along the second axle rotation being arranged on firing trigger;
Described the first axle and the second axle stagger, i.e. disalignment;
When firing safety mechanism is effective, after operation firing trigger, then operate while pulling the trigger insurance trigger, will order about firing safety mechanism and lose efficacy;
When firing safety mechanism is effective, while not operating firing trigger, when operation percussion insurance trigger, sends out insurance institution and still remain valid, can not order about firing safety mechanism and lose efficacy.
Preferably, operation is when firing trigger, percussion insurance trigger with firing trigger relative to rotating along the first axle of controller together regularly.
Preferably, when operation firing trigger, the first stage at firing trigger along the first axle rotation of controller, percussion insurance trigger is along the second axle rotation of firing trigger; Along with firing trigger continues rotation, the second stage at firing trigger along the first axle rotation of controller, percussion insurance trigger with firing trigger relative to rotating along the first axle of controller together regularly.
Preferably, when firing safety mechanism is effective, operation firing trigger and hold with a firm grip after, then when operation percussion insurance trigger, just can order about firing safety mechanism and lose efficacy.
Preferably, when then operation firing trigger unclamps firing trigger, firing trigger will automatically reset.
Preferably, when firing safety mechanism is effective, after operation firing trigger, no matter whether holds with a firm grip or unclamp firing trigger, when operation percussion insurance trigger, just can order about firing safety mechanism and lose efficacy.
Preferably, then operation firing trigger unclamps after firing trigger, and firing trigger still keeps original position, can not automatically reset.
Preferably, described executor can carry out the first action and the second action.
Preferably, when firing safety mechanism is effective, when operation firing trigger, executor always carries out the first action.
Preferably, when firing safety mechanism is effective, while operating firing trigger first, executor carries out the first action, and while again operating firing trigger, executor maintains the original state, and does not carry out any action.
Preferably, when firing safety mechanism is effective, while operating firing trigger first, executor carries out the first action, and before firing safety mechanism lost efficacy or before the first action reset of executor, firing trigger is completely or partially limited along the anglec of rotation of the first axle, can not again operate or complete operation firing trigger again.
Preferably, described executor comprises nail bin groupware, nail-anvil assembly and driven unit; Described nail bin groupware and nail-anvil assembly can be in open configuration and closure states, and when original state, nail bin groupware and nail-anvil assembly are in open configuration; Described driven unit can move to from the near-end of nail bin groupware the far-end of nail bin groupware.
Preferably, nail bin groupware and nail-anvil assembly that the first action that described executor carries out is executor change closure state into from open configuration.
Preferably, the first action that described executor carries out comprises that nail bin groupware and nail-anvil assembly change closure state into from open configuration, and then changes open configuration into from closure state.
Preferably, when firing safety mechanism lost efficacy, when operation firing trigger, executor carries out the second action.
Preferably, the driven unit that the second action that described executor carries out is described executor moves to its far-end from the near-end of executor's nail bin groupware.
Preferably, described executor's nail bin groupware comprises nail bin and suturing nail, and suturing nail is arranged in nail bin, and described nail-anvil assembly comprises nail groove; When described executor carries out the second action, executor's driven unit is directly or indirectly released suturing nail and is ordered about suturing nail molding in the nail groove of nail-anvil assembly from nail bin groupware.
Preferably, described executor's driven unit comprises cutter, and when described executor carries out the second action, cutter cut off and are performed the nail bin groupware of device and the tissue of nail-anvil assembly clamping.
Preferably, described controller comprises hand-reset mechanism, and executor carries out after the first action or the second action, operates manual resetting-mechanism the nail bin groupware and the nail-anvil assembly that order about executor are reverted to open configuration from closure state.
Preferably, described controller comprises automatic reset mechanism, operation firing trigger orders about described executor's nail bin groupware and nail-anvil assembly from open configuration is converted to closure state, unclamp firing trigger under the situation that does not operate percussion insurance trigger time, described automatic reset mechanism is converted to open configuration by the nail bin groupware and the nail-anvil assembly that automatically order about described executor from closure state.
Preferably, operation firing trigger orders about described executor's nail bin groupware and nail-anvil assembly from open configuration is converted to closure state, while unclamping firing trigger again after operation percussion insurance trigger, described automatic reset mechanism still maintains the original state, and nail bin groupware and the nail-anvil assembly that can not automatically order about described executor are converted to open configuration from closure state.
Compared with prior art, the advantage that the present invention has is the percussion insurance mechanism that described surgical instruments has safe one-hand operation: in the time operating firing trigger to ad-hoc location, pull the trigger insurance trigger by operation and just can open firing safety mechanism, apparatus enters the SBR of next operational phase, and doctor operate firing trigger and insurance trigger action completed by the same hand, liberated doctor's another hands; And do not operated or when firing trigger does not move to ad-hoc location, even if operation percussion insurance trigger can not be opened firing safety mechanism, reduced most possibly the risk that apparatus is misused when firing trigger.This unique insurance mechanism of surgical instruments had both facilitated doctor's one-handed performance apparatus, simplified instrumentation, shortened operating time, reduced emergency risk in operation process, also had effectively guaranteed to avoid the ability of apparatus maloperation simultaneously.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the structural representation of the surgical instruments of improved safety one-hand operation according to an embodiment of the invention;
Fig. 2 and Fig. 3 are the blast structural representations of the surgical instruments shown in Fig. 1;
Fig. 4 is the controller of the surgical instruments shown in Fig. 1 structural representation in the time of original state;
Fig. 5 be the controller of the surgical instruments shown in Fig. 1 in operation the structural representation after firing trigger;
Fig. 6 is the cross-sectional view of the controller shown in Fig. 5 at A-A place;
Fig. 7 is the backsight structural representation of the controller status shown in Fig. 5;
Fig. 8, Figure 15, Figure 16 illustrate that when the controller of the surgical instruments shown in Fig. 1 operates insurance trigger after operation firing trigger again, energy storage component connector departs from the structural representation that engages moment jointly; Wherein, Figure 16 is the enlarged drawing of part D in Figure 15;
Fig. 9 is the backsight structural representation of the controller status shown in Fig. 8;
The structural representation of the controller that Figure 10, Figure 17, Figure 18 illustrate the surgical instruments shown in Fig. 1 jointly when automatic reset mechanism lost efficacy after operation insurance trigger again after operation firing trigger; Wherein, Figure 18 is the enlarged drawing of part G in Figure 17;
Figure 11 is the backsight structural representation of the controller status shown in Figure 10;
Figure 12 is the controller of the surgical instruments shown in Fig. 1 structural representation at operation insurance trigger but while not operating firing trigger;
Figure 13 is the backsight structural representation of the controller status shown in Figure 12;
Figure 14 is controller structural representation in hand-reset process again after percussion of the surgical instruments shown in Fig. 1.
A1 represents the central shaft of the rotating shaft 1011 on the first fixed handle 101, and firing trigger 111 can be along this axle rotation;
A2 represents the central shaft of the bearing pin 1111 on firing trigger 111, and percussion insurance trigger 116 can be along this axle rotation;
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
The present invention is applied to the controller of surgical instruments, the structural design scheme of exploitation of innovation, and by firing trigger and the percussion insurance trigger of the same hand operating apparatus, and the safety of assurance firing safety mechanism.
Fig. 1 to Figure 18 illustrates the schematic diagram of the surgical instruments that is according to one embodiment of present invention improved safety one-hand operation.
Particularly, in the present embodiment, referring to Fig. 1-Fig. 3, the surgical instruments of described safety one-hand operation comprises controller 100, intermediate connector 200, executor 300, and wherein, controller 100, intermediate connector 200, executor 300 connect successively.Described executor 300 comprises nail bin groupware 3002, nail-anvil assembly 3001 and driven unit 3003.
In the present embodiment, referring to Fig. 1-Fig. 6, described controller 100 comprises the first fixed handle 101, the second fixed handle 102, firing trigger 111, tooth bar 105, automatic reset mechanism and firing safety mechanism.
The first fixed handle 101 and the second fixed handle 102 connect into an overall controller housing by welding or other safe mode, form the inner chamber of controller 100.What firing trigger 111 was movable is arranged on the rotating shaft A1 of inner chamber of controller 100.In the present embodiment, on the spindle hole 1112 of firing trigger 111 and the concentric rotating shaft that is arranged on the first fixed handle 101 1011 of trigger return spring 112, trigger return spring 112 makes firing trigger 111 keep replying the elasticity trend of initial positions all the time.Alligator 114 is rotatable to link together with firing trigger 111 by pulling out to pull out tooth 113, pulls out tooth spring 115 and the elasticity trend of pulling out alligator 114 percussion tooth 1131 concentric and that make all the time to pull out tooth 113 and keep being partial to tooth bars 105.
Tooth bar (or claiming band tooth transmission component) 105 movable being arranged in the longitudinal rail being formed by the first fixed handle 101 and the second fixed handle 102.In the present embodiment, tooth bar 105 comprises first group of tooth 1051 and second group of tooth 1052, wherein, first group of tooth 1051 and separable engagement of percussion tooth 1131 of pulling out tooth 113, second group of tooth 1052 engages with automatic reset mechanism is separable.When operation is when firing trigger 111, rotatablely moving by pulling out the percussion tooth 1131 of tooth 113 and engaging of first group of tooth 1051 of tooth bar 105 passes to tooth bar 105 of firing trigger 111, orders about tooth bar 105 and longitudinally moves to far-end.Described first group of tooth 1051 and second group of tooth that tooth 1052 can be a diverse location place on tooth bar.
Conventionally, controller 100 also comprises a set of tooth bar resetting-mechanism, for the tooth bar 105 completing after appliance function is replied to initial position.In the present embodiment, as shown in Figure 2, described tooth bar resetting-mechanism comprises the first reset cap 103, the second reset cap 104, pulls out tooth dropout sheet 106, the first alignment pin 107, the second alignment pin 108, return pin 109, tooth bar return spring 110.Pull out two cotter ways that have on tooth dropout sheet 106 with longitudinal angled extension, the first alignment pin 107 and the second alignment pin 108 will pull out movable being connected on tooth bar 105 of tooth dropout sheet 106 through two described cotter ways, in the time pulling out tooth dropout sheet 106 and longitudinally move to near-end, the lower surface 1061 of pulling out tooth dropout sheet 106 will produce downward movement.When tooth bar 105 is not during at initial position, operator draws the first reset cap 103, the second reset cap 104 to near-end, by return pin 109, first order about and pull out tooth dropout sheet 106 and longitudinally move to near-end, the lower surface 1061 of pulling out tooth dropout sheet 106 moves down, and orders about the percussion tooth 1131 that pulls out tooth 113 and departs from and engage with tooth bar 105; While pulling on the first reset cap 103, the second reset cap 104, return pin 109 continues to retreat until contact with tooth bar 105 rigidity, is then with carry-over bar 105 together to near-end motion, until recover initial position.
In the present embodiment, referring to Fig. 2 and Fig. 4, automatic reset mechanism comprises automatically reset slide block 120 and automatic-reset spring 121.Automatically reset slide block 120 with reset tooth 1201, two the first symmetrical sliding pins 1202, the second sliding pin 1203 and dislocation boss 1204.Automatically reset second group of separable engagement of tooth 1052 of reset tooth 1201 with tooth bar 105 of slide block 120, the first sliding pin 1202, the second sliding pin 1203 is movable is arranged in the longitudinal rail being made up of the first fixed handle 101 and the second fixed handle 102.Automatic-reset spring 121 one end are fixed on the steady pin 1012 of the first fixed handle 101, and the other end is connected with the slide block 120 that automatically resets, and the slide block 120 that makes all the time to automatically reset keeps replying the elasticity trend of initial positions.
In the present embodiment, referring to Fig. 2 and Fig. 4, firing safety mechanism comprises insurance trigger 116, insurance trigger back-moving spring 117, insurance spill spin block 118 and insurance spill spin block back-moving spring 119.Trigger 116 is rotatable is fixed on firing trigger 111 in insurance, and insurance trigger back-moving spring 117 makes to insure the elasticity trend that trigger 116 keeps replying initial positions all the time.Spill spin block 118 is rotatable is fixed on the first fixed handle 101 in insurance, and insurance spill spin block back-moving spring 119 makes to insure the elasticity trend that spill spin block 118 keeps replying initial positions all the time.
In the present embodiment, referring to Fig. 1 and Fig. 3, intermediate connector 200 is connected to the far-end of controller 100.Intermediate connector 200 comprises: the assemblies such as the first rotary connecting joint 201, the second rotary connecting joint 202, holster pipe 203, gun barrel 204, nail kit sleeve pipe 205, the first nail kit inner tube 206, the second nail kit inner tube 207, drive link 208.The first rotary connecting joint 201 and the second rotary connecting joint 202 connect into an entirety by welding or other safe mode, this entirety near-end is connected to the far-end of controller 100, far-end and gun barrel 204 are fixed together, the outside of gun barrel 204 is provided with smooth and has the holster pipe 203 of antirust function, and the axis of gun barrel 204 forms the longitudinal direction described in the present embodiment.The far-end of gun barrel 204 is with second nail kit inner tube 207 is dismountable is connected, simultaneously, cause operation risk for fear of the second nail kit inner tube 207 in operation from the shirking of the non-artificial reason of far-end of gun barrel 204, in the remote design of gun barrel 204 anticreep unload mechanism, comprise and load banking stop 209, rotary stopper piece 210 and loading spring 211.In the time that the second nail kit inner tube 207 is loaded in the far-end of gun barrel 204, load under the effect of the angular force that applies at loading spring 211 of banking stop 209, stop the second nail kit inner tube 207 to be shirked from gun barrel 204, except non-manual 209 groups of the banking stops of loading are from original position.
The first nail kit inner tube 206 fill the span of a man's arms with the second nail kit inner tube 207 together with after, by nail kit sleeve pipe 205, the two is linked together, the axis of the first nail kit inner tube 206 and the second inner chamber that nail kit inner tube 207 forms is with longitudinally coaxial.Drive link 208 is arranged in the inner chamber that gun barrel 204 and the first nail kit inner tube 206, the second nail kit inner tube 207 form, longitudinally back and forth movement.The near-end of drive link 208 is connected with tooth bar 105, and far-end is connected with the near-end of executor 300 driven unit 3003, for the lengthwise movement of tooth bar 105 is passed to driven unit 3003.
Executor 300 can be designed to multiple application example, the present embodiment has been quoted the executor of the described surgical stapling of Chinese invention patent application CN201210349356.7, as shown in figures 1 and 3, executor 300 is mainly made up of nail-anvil assembly 3001, nail bin groupware 3002 and driven unit 3003.Nail-anvil assembly 3001 is mainly formed by connecting by back of the body cover plate 301, nail anvil seat 302 and nail anvil sheet 303, and the lower surface of nail-anvil assembly 3001 is suturing nail forming surface.Nail bin groupware 3002 generally comprises nail bin 304, multiple suturing nail 305, multiple ejector pin piece 306, nail bin seat 307 and ejector pin slide block 308.The upper surface of nail bin 304 is tissue contact surface, and there is a gathering sill centre, is arranged in nail bin seat 307.Nail anvil back-moving spring 309 is arranged on the far-end of intermediate connector 200, makes all the time nail-anvil assembly 3001 and nail bin groupware 3002 keep the elasticity trend of opening.Driven unit 3003 is arranged in the gathering sill of nail bin 304 and inner chamber that the first nail kit inner tube 206, the second nail kit inner tube 207 form, longitudinally back and forth movement.The far-end of driven unit 3003 also comprises upper beam 3101, underbeam 3102 and a blade 3103.When driven unit 3003 is during to distal movement, the upper beam 3101 of driven unit 3003 and underbeam 3102 will order about nail-anvil assembly 3001 and nail bin groupware 3002 transfers closed condition to from open configuration, and then drive ejector pin slide block 308, ejector pin piece 306 to produce motion, suturing nail 305 pushed from nail bin 304 to the suturing nail forming surface of nail-anvil assembly 3001 and be shaped to therein similar B font.In the process of driving suturing nail molding, the blade 3103 of driven unit 3003 cuts the tissue of having sewed up, and completes stitching and the cutting function of apparatus.
Referring to Fig. 1 and Fig. 4, the controller of the surgical instruments described in the present embodiment in the time of original state, second group of tooth 1052 of tooth bar 105 with the reset tooth 1201 of the slide block 120 that automatically resets of automatic reset mechanism in engagement,
Referring to Fig. 5-Fig. 7, in the time of operation firing trigger 111, firing trigger 111 drives tooth bar 105, drive link 208 longitudinally to move to far-end by pulling out tooth 113, and then drives driven unit 3003 to distal movement; Driven unit 3003 orders about nail-anvil assembly 3001 and nail bin groupware 3002 transfers closed condition to from open configuration to the motion of far-end.
In the process of operation firing trigger 111, second group of tooth 1052 of tooth bar 105 by with the engaging of the reset tooth 1201 of the slide block 120 that automatically resets, drive the slide block 120 that automatically resets to move to far-end, now automatic-reset spring 121 is elongated and puts aside elastic energy.
In the situation that not operating percussion insurance trigger 116, second group of tooth 1052 of tooth bar 105 still keeps engagement with the reset tooth 1201 of the slide block 120 that automatically resets.While now unclamping firing trigger 111, what firing trigger 111 was subject to trigger return spring 112 orders about reply initial position, first group of tooth 1051 of moving tooth 113 and tooth bar 105 departs from and engages, and tooth bar 105, drive link 208 and driven unit 3003 are only subject to that frictional resistance and automatic-reset spring 121 are put aside elastic energy and the reset pulling force to near-end that produces in the vertical.In the time that the reset pulling force of automatic-reset spring 121 is greater than tooth bar 105, drive link 208 and driven unit 3003 and is only subject to frictional resistance in the vertical, the above-mentioned parts including driven unit 3003 will move until homing to near-end; Driven unit 3003 orders about nail-anvil assembly 3001 and nail bin groupware 3002 to the motion of near-end homing and replys open configuration from closed condition.
In the situation that not operating percussion insurance trigger 116, referring to Fig. 5-Fig. 7, tooth bar 105 is subject to the obstruction of the first positive stop lug boss 1014 of the first fixed handle 101 and the second positive stop lug boss 1024 of the second fixed handle 102 to the motion of far-end because of the slide block 120 that automatically resets, when operation firing trigger 111, can only pull the trigger once a part of stroke in complete percussion stroke, this hour rack 105 can only travel distance L1.Now, referring to Figure 16, the upper beam 3101 of knife rest 310 moves to far-end along the inclination curved surface of the internal guide rail of nail anvil seat 302 near-ends, until approach inclination curved surface terminal 3021.
Now, when operation percussion insurance trigger 116, to open firing safety mechanism, at operation percussion insurance trigger 116 in a flash, referring to Fig. 5, Fig. 8 and Fig. 9, percussion insurance trigger 116 rotates along the bearing pin 1111 on firing trigger 111, the the first transmission boss 1161 that causes percussion to insure trigger 116 orders about insurance spill spin block 118 and carries out corresponding the rotatablely moving of semiaxis 1013 along the first fixed handle 101, the rotation of insurance spill spin block 118 causes the second transmission boss 1182 of insurance spill spin block 118 promote to automatically reset dislocation boss 1204 of slide block 120, order about the far-end of the slide block 120 that automatically resets along the first sliding pin 1202 of its symmetry, the second sliding pin 1203 rotates, cause the reset tooth 1201 of the slide block 120 that automatically resets and second group of tooth 1052 of tooth bar 105 to separate from engagement.
Now, referring to Figure 10 and Figure 11, the elastic energy that automatic-reset spring 121 the is put aside slide block 120 that will automatically reset retracts original position, automatic reset mechanism no longer can order about driven unit 3003 homings, also just can not order about nail-anvil assembly 3001 and nail bin groupware 3002 and reply open configuration from closed condition.Due to tooth bar 105 be no longer subject to the automatically reseting restriction of slide block 120, firing trigger 111 can operate a complete percussion stroke, orders about tooth bar 105 L2 that advances.Now, referring to Figure 18, the upper beam 3101 of knife rest 310 advances to and crosses inclination curved surface terminal 3021 along the internal guide rail of nail anvil seat 302.
Referring to Figure 12 and Figure 13, in the situation that not operating firing trigger 111, when operation percussion insurance trigger 116, due to the not position in setting of bearing pin 1111 of percussion insurance trigger 116, the first transmission boss 1161 of percussion insurance trigger 116 can not order about insurance spill spin block 118 and carry out corresponding rotatablely moving, can not order about the reset tooth 1201 of the slide block 120 that automatically resets and second group of tooth 1052 of tooth bar 105 separates from engagement, can not open firing safety mechanism, automatic reset mechanism was lost efficacy.
With reference to Figure 10, open after firing safety mechanism at operation firing trigger 111 operation percussion insurance trigger 116, unclamp firing trigger 111 and percussion insurance trigger 116, then repetitive operation firing trigger 111, just can drive driven unit 310 to continue to move to far-end, and then the molding in the suturing nail forming surface of nail-anvil assembly 3001 of the suturing nail 305 of drive installation in nail bin 304, the blade 3103 of driven unit 3003 cuts the tissue of having sewed up, and completes stitching and the cutting function of apparatus.
Opening after firing safety mechanism, no matter whether operating apparatus completes and sews up and cutting function, still there is no further operating apparatus, in the time that needs apparatus is replied initial condition, referring to Figure 14, manually draw the first reset cap 103 and the second reset cap 104 to near-end, order about the percussion tooth 1131 that pulls out tooth 113 and depart from and engage with tooth bar 105, order about tooth bar 105 to near-end motion until recovery initial position.Recover in the motor process of initial position at tooth bar 105, the reset tooth 1201 of the slide block 120 that automatically resets recovers to engage with second group of tooth 1052 of tooth bar 105, and automatic reset mechanism is restPosed.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (21)
1. the surgical instruments of a safety one-hand operation, comprise executor, intermediate connector and controller, described executor, intermediate connector, controller connect successively, described controller comprises firing trigger, firing safety mechanism, the first axle and the second axle, described firing safety mechanism comprises percussion insurance trigger, it is characterized in that:
Described firing trigger can be along the first axle rotation of controller;
Described percussion insurance trigger can be along the second axle rotation being arranged on firing trigger;
Described the first axle and the second axle stagger;
When firing safety mechanism is effective, after operation firing trigger, then operate while pulling the trigger insurance trigger, will order about firing safety mechanism and lose efficacy;
When firing safety mechanism is effective, while not operating firing trigger, when operation percussion insurance trigger, sends out insurance institution and still remain valid.
2. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, operation is when firing trigger, percussion insurance trigger with firing trigger relative to rotating along the first axle of controller together regularly.
3. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, when operation firing trigger, the first stage at firing trigger along the first axle rotation of controller, percussion insurance trigger is along the second axle rotation of firing trigger; Along with firing trigger continues rotation, the second stage at firing trigger along the first axle rotation of controller, percussion insurance trigger with firing trigger relative to rotating along the first axle of controller together regularly.
4. according to the surgical instruments of the safety one-hand operation described in any one in claims 1 to 3, it is characterized in that, when firing safety mechanism is effective, operation firing trigger and hold with a firm grip after, then when operation percussion insurance trigger, just can order about firing safety mechanism and lose efficacy.
5. the surgical instruments of safety one-hand operation according to claim 4, is characterized in that, when then operation firing trigger unclamps firing trigger, firing trigger will automatically reset.
6. according to the surgical instruments of the safety one-hand operation described in any one in claims 1 to 3, it is characterized in that, when firing safety mechanism is effective, after operation firing trigger, when operation percussion insurance trigger, just can orders about firing safety mechanism and lose efficacy.
7. the surgical instruments of safety one-hand operation according to claim 6, is characterized in that, then operation firing trigger unclamps after firing trigger, and firing trigger still keeps original position.
8. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, described executor can carry out the first action and the second action.
9. the surgical instruments of safety one-hand operation according to claim 8, is characterized in that, when firing safety mechanism is effective, when operation firing trigger, executor always carries out the first action.
10. the surgical instruments of safety one-hand operation according to claim 8, is characterized in that, when firing safety mechanism is effective, while operating firing trigger first, executor carries out the first action, and while again operating firing trigger, executor maintains the original state.
The surgical instruments of 11. safety one-hand operations according to claim 8, it is characterized in that, when firing safety mechanism is effective, while operating firing trigger first, executor carries out the first action, and before firing safety mechanism lost efficacy or before the first action reset of executor, firing trigger is completely or partially limited along the anglec of rotation of the first axle.
The surgical instruments of 12. safety one-hand operations according to claim 1, is characterized in that, described executor comprises nail bin groupware, nail-anvil assembly and driven unit; Described nail bin groupware and nail-anvil assembly can be in open configuration and closure states, and when original state, nail bin groupware and nail-anvil assembly are in open configuration; Described driven unit can move to from the near-end of nail bin groupware the far-end of nail bin groupware.
The surgical instruments of the safety one-hand operation in 13. according to Claim 8 to 12 described in any one, is characterized in that, nail bin groupware and nail-anvil assembly that the first action that described executor carries out is executor change closure state into from open configuration.
The surgical instruments of the safety one-hand operation in 14. according to Claim 8 to 12 described in any one, it is characterized in that, the first action that described executor carries out comprises that nail bin groupware and nail-anvil assembly change closure state into from open configuration, and then changes open configuration into from closure state.
15. according to the surgical instruments of the safety one-hand operation described in any one in claim 1 to 8, it is characterized in that, when firing safety mechanism lost efficacy, when operation firing trigger, executor carries out the second action.
The surgical instruments of 16. safety one-hand operations according to claim 8, is characterized in that, the driven unit that the second action that described executor carries out is described executor moves to its far-end from the near-end of executor's nail bin groupware.
The surgical instruments of 17. safety one-hand operations according to claim 8, is characterized in that, described executor's nail bin groupware comprises nail bin and suturing nail, and suturing nail is arranged in nail bin, and described nail-anvil assembly comprises nail groove; When described executor carries out the second action, executor's driven unit is directly or indirectly released suturing nail and is ordered about suturing nail molding in the nail groove of nail-anvil assembly from nail bin groupware.
The surgical instruments of 18. safety one-hand operations according to claim 8, it is characterized in that, described executor's driven unit comprises cutter, and when described executor carries out the second action, cutter cut off and are performed the nail bin groupware of device and the tissue of nail-anvil assembly clamping.
The surgical instruments of 19. safety one-hand operations according to claim 8, it is characterized in that, described controller comprises hand-reset mechanism, executor carries out after the first action or the second action, operates manual resetting-mechanism the nail bin groupware and the nail-anvil assembly that order about executor are reverted to open configuration from closure state.
The surgical instruments of 20. safety one-hand operations according to claim 8, it is characterized in that, described controller comprises automatic reset mechanism, operation firing trigger orders about described executor's nail bin groupware and nail-anvil assembly from open configuration is converted to closure state, unclamp firing trigger under the situation that does not operate percussion insurance trigger time, described automatic reset mechanism is converted to open configuration by the nail bin groupware and the nail-anvil assembly that automatically order about described executor from closure state.
The surgical instruments of 21. safety one-hand operations according to claim 20, it is characterized in that, operation firing trigger orders about described executor's nail bin groupware and nail-anvil assembly from open configuration is converted to closure state, while unclamping firing trigger again after operation percussion insurance trigger, described automatic reset mechanism still maintains the original state.
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| CN201410003065.1A CN103767752B (en) | 2014-01-03 | 2014-01-03 | A kind of surgical instruments of safety one-hand operation |
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| CN201410003065.1A CN103767752B (en) | 2014-01-03 | 2014-01-03 | A kind of surgical instruments of safety one-hand operation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104352259A (en) * | 2014-11-07 | 2015-02-18 | 常州市康迪医用吻合器有限公司 | Cutting stapler reset by single hand |
| CN104997541A (en) * | 2015-08-14 | 2015-10-28 | 上海逸思医疗科技有限公司 | One-hand operable surgical instrument and operation method thereof |
| CN105167814A (en) * | 2015-08-14 | 2015-12-23 | 上海逸思医疗科技有限公司 | Surgery equipment with one-hand operated safety device and operation method thereof |
| WO2016107448A1 (en) * | 2014-12-30 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Surgical operating instrument |
| CN107928732A (en) * | 2017-12-05 | 2018-04-20 | 宁波维尔凯迪医疗器械有限公司 | A kind of insurance institution and the stapler with the structure |
| CN108523955A (en) * | 2018-06-05 | 2018-09-14 | 常州市康迪医用吻合器有限公司 | Driving device for Endo-GIA under hysteroscope |
| CN109662740A (en) * | 2018-04-02 | 2019-04-23 | 成都五义医疗科技有限公司 | A kind of surgical instrument |
| WO2020135253A1 (en) * | 2018-12-25 | 2020-07-02 | 上海逸思医疗科技有限公司 | Safety device for surgical instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344428A (en) * | 1993-03-05 | 1994-09-06 | Auburn International, Inc. | Miniature surgical instrument |
| US5476479A (en) * | 1991-09-26 | 1995-12-19 | United States Surgical Corporation | Handle for endoscopic surgical instruments and jaw structure |
| US5865361A (en) * | 1997-09-23 | 1999-02-02 | United States Surgical Corporation | Surgical stapling apparatus |
| US20080269862A1 (en) * | 2007-04-30 | 2008-10-30 | Medtronic, Inc. | Extension and retraction mechanism for a hand-held device |
| US20090108049A1 (en) * | 2002-10-04 | 2009-04-30 | Tyco Healthcare Group Lp | Pneumatic Powered Surgical Stapling Device |
| WO2010083362A2 (en) * | 2009-01-15 | 2010-07-22 | Husted Daniel S | Adjustable powered rongeur |
| CN201939415U (en) * | 2010-12-11 | 2011-08-24 | 常州市海达医疗器械有限公司 | Disposable laparoscope cutting suturing device |
| EP2476382A2 (en) * | 2011-01-14 | 2012-07-18 | Tyco Healthcare Group, LP | Latch mechanism for surgical instruments |
| EP2617371A1 (en) * | 2012-01-19 | 2013-07-24 | Covidien LP | Surgical instrument with clamp release mechanism |
-
2014
- 2014-01-03 CN CN201410003065.1A patent/CN103767752B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476479A (en) * | 1991-09-26 | 1995-12-19 | United States Surgical Corporation | Handle for endoscopic surgical instruments and jaw structure |
| US5344428A (en) * | 1993-03-05 | 1994-09-06 | Auburn International, Inc. | Miniature surgical instrument |
| US5865361A (en) * | 1997-09-23 | 1999-02-02 | United States Surgical Corporation | Surgical stapling apparatus |
| US20090108049A1 (en) * | 2002-10-04 | 2009-04-30 | Tyco Healthcare Group Lp | Pneumatic Powered Surgical Stapling Device |
| US20080269862A1 (en) * | 2007-04-30 | 2008-10-30 | Medtronic, Inc. | Extension and retraction mechanism for a hand-held device |
| WO2010083362A2 (en) * | 2009-01-15 | 2010-07-22 | Husted Daniel S | Adjustable powered rongeur |
| CN201939415U (en) * | 2010-12-11 | 2011-08-24 | 常州市海达医疗器械有限公司 | Disposable laparoscope cutting suturing device |
| EP2476382A2 (en) * | 2011-01-14 | 2012-07-18 | Tyco Healthcare Group, LP | Latch mechanism for surgical instruments |
| EP2617371A1 (en) * | 2012-01-19 | 2013-07-24 | Covidien LP | Surgical instrument with clamp release mechanism |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104352259A (en) * | 2014-11-07 | 2015-02-18 | 常州市康迪医用吻合器有限公司 | Cutting stapler reset by single hand |
| WO2016107448A1 (en) * | 2014-12-30 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Surgical operating instrument |
| CN104997541A (en) * | 2015-08-14 | 2015-10-28 | 上海逸思医疗科技有限公司 | One-hand operable surgical instrument and operation method thereof |
| CN105167814A (en) * | 2015-08-14 | 2015-12-23 | 上海逸思医疗科技有限公司 | Surgery equipment with one-hand operated safety device and operation method thereof |
| WO2017028362A1 (en) * | 2015-08-14 | 2017-02-23 | 上海逸思医疗科技有限公司 | Surgical instrument having single-handed-operation safety device, and operation method thereof |
| WO2017028361A1 (en) * | 2015-08-14 | 2017-02-23 | 上海逸思医疗科技有限公司 | Single-handed-operation surgical instrument and operation method thereof |
| CN107928732A (en) * | 2017-12-05 | 2018-04-20 | 宁波维尔凯迪医疗器械有限公司 | A kind of insurance institution and the stapler with the structure |
| CN107928732B (en) * | 2017-12-05 | 2019-12-13 | 宁波维尔凯迪医疗器械有限公司 | Safety mechanism and anastomat with same |
| CN109662740A (en) * | 2018-04-02 | 2019-04-23 | 成都五义医疗科技有限公司 | A kind of surgical instrument |
| CN109662740B (en) * | 2018-04-02 | 2021-04-16 | 成都五义医疗科技有限公司 | Surgical instrument |
| CN108523955A (en) * | 2018-06-05 | 2018-09-14 | 常州市康迪医用吻合器有限公司 | Driving device for Endo-GIA under hysteroscope |
| WO2020135253A1 (en) * | 2018-12-25 | 2020-07-02 | 上海逸思医疗科技有限公司 | Safety device for surgical instrument |
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Address after: Room 103, building 2, no.1690, Cailun Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee after: Shanghai Yisi Medical Technology Co.,Ltd. Patentee after: YISI (SUZHOU) MEDICAL TECHNOLOGY Co.,Ltd. Address before: Room 103, building 2, 1690 Cailun Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201203 Patentee before: SHANGHAI YISI MEDICAL TECHNOLOGY Co.,Ltd. Patentee before: YISI (SUZHOU) MEDICAL TECHNOLOGY Co.,Ltd. |
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