CN103767752B - A kind of surgical instruments of safety one-hand operation - Google Patents
A kind of surgical instruments of safety one-hand operation Download PDFInfo
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- CN103767752B CN103767752B CN201410003065.1A CN201410003065A CN103767752B CN 103767752 B CN103767752 B CN 103767752B CN 201410003065 A CN201410003065 A CN 201410003065A CN 103767752 B CN103767752 B CN 103767752B
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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
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Abstract
The invention provides a kind of surgical instruments of safety one-hand operation, comprise executor, intermediate connector and controller, described executor, intermediate connector, controller connect successively, described executor comprises nail bin groupware, nail-anvil assembly and driven unit, and described controller comprises firing trigger mechanism and firing safety mechanism.The present invention, under the prerequisite of not sacrificing security, can open firing safety mechanism by one-handed performance anastomat, will reduce the risk in operation process, shortens operating time.
Description
Technical field
The present invention relates to surgical instruments, especially a kind of surgical operation anastomat, particularly, relate to the safety of the surgical instruments of improvement, can realize convenient and safe opening insurance function by one-handed performance apparatus.
Background technology
The action principle of surgical stapling is closed with grasping tissue by two corresponding jaws (being commonly referred to nail-anvil assembly and nail bin groupware), then the metal suture nail in anastomat nail storehouse is released molding, by tissue apposition together.In some anastomat, cutter are also housed, open for the tissue sewed up is cut off.
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 used for the molding of metal suture nail.Nail bin groupware generally comprises nail bin, suturing nail, ejector pin block 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 change between open configuration and closed condition.Driven unit is connected with drive mechanism, for the action of firing trigger being converted to the closedown of executor, percussion and expansion action.Generally, nail-anvil assembly and nail bin seat also respectively comprise a cannelure, and above-mentioned cannelure passes through for holding driven unit.When driven unit by above-mentioned cannelure to the distal movement of executor time, can nail-anvil assembly be ordered about and nail bin groupware is converted to closed condition from open configuration, and order about ejector pin slide block and ejector pin block ejects suturing nail and molding in the nail groove of the nail forming surface of nail-anvil assembly.Generally, driven unit also comprises cutter, for be sewn nail stitching at tissue after, cuts and organizes between many nails line.Controller is used for Non-follow control operating apparatus, has generally comprised a fixed handle, the firing trigger that is dynamically connected relative to fixed handle, and one group is transmitted the drive mechanism of firing trigger action to executor, a hand-reset assembly.When the nail bin groupware of executor and nail-anvil assembly are in closure state, operate manual reset assembly and 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 the near-end of executor, and intermediate connector forms an interface channel, for realizing, the action of firing trigger is passed to executor.
The EndoGIAUniversal Endo-GIA of TycoHealthcare company of the U.S. (renaming as Covidien afterwards), and the Echelon Endo-GIA of EthiconEndo-Surgery company of the U.S. is the representational product 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, and such as apparatus in operation, the percussion safety device of apparatus needs both hands cooperation just can open, and is unfavorable for operative doctor operating apparatus in operation process.
Such as, in US Patent No. 5,865, in 361, TycoHealthcare is described the function of EndoGIAUniversal Endo-GIA (hereinafter referred to as EndoGIA anastomat) and design.When operating the firing trigger of EndoGIA 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 decision coincide and before cutting and organizing, first need to press the percussion safety button of anastomat to open percussion safety device with another Hand supplementary, then again could operate firing trigger and perform subsequent action, this makes troubles to instrumentation, brings additional risk to operation.In micro-wound surgical operation, doctor sometimes two handss operates different apparatuses respectively, if a certain apparatus needs two handss to operate simultaneously, doctor needs another apparatus first unclamping gripping.In micro-wound surgical operation, the apparatus do not controlled by doctor is arranged in external controller and is likely shifted because of art touching unexpectedly, and a small amount of displacement of apparatus controller just may cause a large amount of uncontrolled displacement of the executor of apparatus far-end; Because of the tissue in the executor of apparatus far-end and surgical target district and organ very close to, the uncontrolled displacement of executor likely damages neighbouring tissue and organ.In interim inoperation apparatus room, this apparatus can be extracted out external, to avoid risk by some doctor; In some cases, apparatus can be taken over to hold up by other doctor temporarily and hold; Sometimes, doctor just unclamps apparatus, and is pressed against by the far-end of apparatus 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 not sacrificing security, 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 safety one-hand operation of improvement.Specifically, a kind of Endo-GIA can applied under open surgery or endoscope-assistant surgery is related to.Tissue clamping can be realized according to apparatus provided by the invention (hereinafter referred to as anastomat), realize the molding of at least one row's suturing nail; Under certain operating conditions, tissue cutting can also be realized, between many row's suturing nail lines, tissue be 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 rotate along the first axle of controller;
Described percussion insurance trigger can rotate along the second axle be arranged on firing trigger;
Described first axle and the second axle stagger, i.e. disalignment;
When firing safety mechanism is effective, after operation firing trigger, then during operation percussion insurance trigger, firing safety mechanism will be ordered about and lost efficacy;
When firing safety mechanism is effective, when not operating firing trigger, during operation percussion insurance trigger, send out insurance institution and still remain valid, namely can not order about firing safety mechanism and lose efficacy.
Preferably, during operation firing trigger, percussion insures trigger with firing trigger relative to rotating along the first axle of controller together regularly.
Preferably, during operation firing trigger, in the first stage of firing trigger along the first axle rotation of controller, percussion insurance trigger rotates along the second axle of firing trigger; Along with firing trigger continues to rotate, in the second stage of firing trigger along the first axle rotation of controller, percussion insures 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 after holding with a firm grip, then during 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, during operation percussion insurance trigger, just can order about firing safety mechanism and lose efficacy.
Preferably, after then operation firing trigger unclamps firing trigger, firing trigger still keeps original position, namely can not automatically reset.
Preferably, described executor can perform the first action and the second action.
Preferably, when firing safety mechanism is effective, during operation firing trigger, executor always performs the first action.
Preferably, when firing safety mechanism is effective, during operation firing trigger, executor performs the first action first, and when again operating firing trigger, executor maintains the original state, and does not namely perform any action.
Preferably, when firing safety mechanism is effective, during operation firing trigger, executor performs the first action first, 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, namely can not again operate or can not 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 state, and during original state, nail bin groupware and nail-anvil assembly are in open configuration; Described driven unit can from the proximal movement of nail bin groupware to the far-end of nail bin groupware.
Preferably, the first action that described executor performs is that the nail bin groupware of executor and nail-anvil assembly change closure state into from open configuration.
Preferably, the first action that described executor performs comprises nail bin groupware and nail-anvil assembly changes closure state into from open configuration, and then changes open configuration into from closure state.
Preferably, when firing safety mechanism lost efficacy, during operation firing trigger, executor performs the second action.
Preferably, the second action that described executor performs is that the driven unit of described executor is from the proximal movement of the nail bin groupware of executor to its far-end.
Preferably, the nail bin groupware of described executor 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 performs the second action, the driven unit of executor 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, the driven unit of described executor comprises cutter, and when described executor performs the second action, cutter cut off the tissue of nail bin groupware and the nail-anvil assembly clamping being performed device.
Preferably, described controller comprises manual reset mechanism, and after executor performs the first action or the second action, the nail bin groupware and nail-anvil assembly that order about executor are reverted to open configuration from closure state by operation manual reset mechanism.
Preferably, described controller comprises automatic reset mechanism, operation firing trigger orders about after the nail bin groupware of described executor and nail-anvil assembly be converted to closure state from open configuration, when unclamping firing trigger under the situation not operating percussion insurance trigger, the nail bin groupware and nail-anvil assembly that automatically order about described executor are converted to open configuration from closure state by described automatic reset mechanism.
Preferably, operation firing trigger orders about after the nail bin groupware of described executor and nail-anvil assembly be converted to closure state from open configuration, when 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 namely automatically can not 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: when operating firing trigger to ad-hoc location, just firing safety mechanism can be opened by operation percussion insurance trigger, apparatus enters the SBR of next operational phase, and doctor operate firing trigger and insurance trigger action completed by the same hand, liberated the another hands of doctor; And when firing trigger is not operated or firing trigger does not move to ad-hoc location, even if operation percussion insurance trigger can not open firing safety mechanism, reduce the risk that apparatus is misused most possibly.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 effectively ensure that the ability avoiding apparatus maloperation simultaneously.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of the surgical instruments of the safety one-hand operation of improvement according to an embodiment of the invention;
Fig. 2 and Fig. 3 is the detonation configuration schematic diagram of the surgical instruments shown in Fig. 1;
Fig. 4 is the controller of the surgical instruments shown in Fig. 1 structural representation when being in original state;
Fig. 5 is the structural representation of controller after operation firing trigger of the surgical instruments shown in Fig. 1;
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 the controller of the surgical instruments shown in Fig. 1 operates energy storage component connector when insuring trigger again and departs from the structural representation of engagement moment after operating firing trigger 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;
Structural representation when Figure 10, Figure 17, Figure 18 jointly illustrate the controller of the surgical instruments shown in Fig. 1 automatic reset mechanism lost efficacy after operating after firing trigger operation insurance trigger again; 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 structural representation of controller when operating insurance trigger but not operating firing trigger of the surgical instruments shown in Fig. 1;
Figure 13 is the backsight structural representation of the controller status shown in Figure 12;
Figure 14 is the structural representation of controller after percussion again in manual reset procedure 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 rotate along this axle;
A2 represents the central shaft of the bearing pin 1111 on firing trigger 111, and percussion insurance trigger 116 can rotate along this axle;
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.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, by firing trigger and the percussion insurance trigger of the same hand operating apparatus, and ensures the safety of firing safety mechanism.
Fig. 1 to Figure 18 illustrates the schematic diagram of the surgical instruments of the safety one-hand operation namely improved according to one embodiment of present invention.
Particularly, in the present embodiment, see 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, see Fig. 1-Fig. 6, described controller 100 comprises the first fixed handle 101, second fixed handle 102, firing trigger 111, tooth bar 105, automatic reset mechanism and firing safety mechanism.
First fixed handle 101 and the second fixed handle 102 connect into an overall controller housing by the mode of welding or other safety, form the inner chamber of controller 100.What firing trigger 111 was movable is arranged on the rotating shaft A1 of the inner chamber of controller 100.In the present embodiment, on the rotating shaft 1011 being arranged on the first fixed handle 101 that the spindle hole 1112 of firing trigger 111 is concentric with trigger return spring 112, trigger return spring 112 makes firing trigger 111 keep replying the elasticity trend of initial position 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 to pull out alligator 114 concentric and make the percussion tooth 1131 pulling out tooth 113 keep being partial to the elasticity trend of tooth bar 105 all the time.
Tooth bar (or claiming band tooth transmission component) 105 is movable to be arranged in the longitudinal rail be made up of 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, and wherein, first group of tooth 1051 engages with the percussion tooth 1131 pulling out tooth 113 is separable, and second group of tooth 1052 engages with automatic reset mechanism is separable.When operating firing trigger 111, the rotary motion of firing trigger 111 passes to tooth bar 105 by the engaging of first group of tooth 1051 of the percussion tooth 1131 with tooth bar 105 that pull out tooth 113, orders about tooth bar 105 and longitudinally distally moves.Described first group of tooth 1051 and second group of tooth 1052 can be the tooth at the diverse location place on a tooth bar.
Usually, controller 100 also comprises a set of tooth bar resetting-mechanism, for replying initial position by completing the tooth bar after appliance function 105.In the present embodiment, as shown in Figure 2, described tooth bar resetting-mechanism comprises the first reset cap 103, second reset cap 104, pulls out tooth dropout sheet 106, first alignment pin 107, second alignment pin 108, return pin 109, tooth bar return spring 110.Pull out on tooth dropout sheet 106 and have two cotter ways with longitudinally angled extension, first alignment pin 107 and the second alignment pin 108 through two described cotter ways by pull out tooth dropout sheet 106 movable be connected on tooth bar 105, when pulling out tooth dropout sheet 106 and longitudinally proximally moving, the lower surface 1061 of pulling out tooth dropout sheet 106 will produce downward movement.When tooth bar 105 is not at initial position, operator proximally draws the first reset cap 103, second reset cap 104, by return pin 109, first order about and pull out tooth dropout sheet 106 and longitudinally proximally move, the lower surface 1061 of pulling out tooth dropout sheet 106 moves down, and orders about the percussion tooth 1131 pulling out tooth 113 and departs from tooth bar 105 and engage; When pulling on first reset cap the 103, second reset cap 104, return pin 109 continue retreat until with tooth bar 105 rigid contact, be then with carry-over bar 105 proximally move together, until recover initial position.
In the present embodiment, see 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 symmetrical the first sliding pin 1202, second sliding pin 1203 of 1201, two, reset tooth and dislocation boss 1204.The reset tooth 1201 of slide block 120 of automatically reseting engages with second group of tooth 1052 of tooth bar 105 is separable, and the first sliding pin 1202, second sliding pin 1203 is movable to be arranged in the longitudinal rail be made up of the first fixed handle 101 and the second fixed handle 102.Automatic-reset spring 121 one end is 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 the elasticity trend of replying initial position.
In the present embodiment, see 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 insurance trigger 116 keep replying the elasticity trend of initial position 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 insurance spill spin block 118 keep replying the elasticity trend of initial position all the time.
In the present embodiment, see Fig. 1 and Fig. 3, intermediate connector 200 is connected to the far-end of controller 100.Intermediate connector 200 comprises: the assembly such as pipe 207, drive link 208 in pipe 206, second nail kit in the first rotary connecting joint 201, second rotary connecting joint 202, holster pipe 203, gun barrel 204, nail kit sleeve pipe 205, first nail kit.First rotary connecting joint 201 and the second rotary connecting joint 202 connect into an entirety by the mode of welding or other safety, this overall 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 connected with in the second nail kit, pipe 207 is dismountable, simultaneously, in operation, in the second nail kit, pipe 207 causes operation risk from non-artificial the shirking of reason of the far-end of gun barrel 204, mechanism is unloaded at remote design anticreep of gun barrel 204, comprise and load banking stop 209, rotary stopper block 210 and loading spring 211.When pipe 207 is loaded in the far-end of gun barrel 204 in the second nail kit, under loading the effect of the angular force that banking stop 209 applies at loading spring 211, pipe 207 in the second nail kit is stoped to shirk from gun barrel 204, except the non-manual banking stop 209 groups that will load is from original position.
In first nail kit pipe 206 fill the span of a man's arms with pipe 207 in the second nail kit together with after, by nail kit sleeve pipe 205, the two is linked together, in the first nail kit in pipe 206 and the second nail kit pipe 207 form the axis of inner chamber with longitudinally coaxial.Drive link 208 to be arranged in gun barrel 204 and the first nail kit in the inner chamber that in pipe 206, second nail kit, pipe 207 is formed, can 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 the driven unit 3003 of executor 300, 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 refer to the executor of the surgical stapling described by Chinese invention patent application CN201210349356.7, as shown in figures 1 and 3, executor 300 forms primarily of nail-anvil assembly 3001, nail bin groupware 3002 and driven unit 3003.Nail-anvil assembly 3001 is formed by connecting primarily of the 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 block 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 nail-anvil assembly 3001 and nail bin groupware 3002 keep the elasticity trend of opening all the time.Driven unit 3003 is arranged in the inner chamber that in the gathering sill of nail bin 304 and the first nail kit, in pipe 206, second nail kit, pipe 207 is formed, can 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 distally moves, 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 block 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 similar B font wherein.In the process driving suturing nail molding, the blade 3103 of driven unit 3003 cuts the tissue sewed up, and completes stitching and the cutting function of apparatus.
See Fig. 1 and Fig. 4, when the controller of the surgical instruments described in the present embodiment is in original state, second group of tooth 1052 of tooth bar 105 is in engagement with the reset tooth 1201 of the slide block 120 that automatically resets of automatic reset mechanism,
See Fig. 5-Fig. 7, when operating firing trigger 111, by pulling out, tooth 113 drives tooth bar 105 to firing trigger 111, drive link 208 longitudinally distally moves, and then drives driven unit 3003 distally to move; Nail-anvil assembly 3001 is ordered about in driven unit 3003 motion distally and nail bin groupware 3002 transfers closed condition to from open configuration.
In the process of operation firing trigger 111, second group of tooth 1052 engaging by the reset tooth 1201 with the slide block 120 that automatically resets of tooth bar 105, drive the slide block 120 that automatically resets distally to move, now automatic-reset spring 121 is elongated and puts aside elastic energy.
When 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.When now unclamping firing trigger 111, firing trigger 111 orders about reply initial position by trigger return spring 112, moving tooth 113 departs from first group of tooth 1051 of tooth bar 105 and engages, and tooth bar 105, drive link 208 and driven unit 3003 are only subject to the reset pulling force proximally that frictional resistance and automatic-reset spring 121 are put aside elastic energy and produced in the vertical.When the reset pulling force of automatic-reset spring 121 be greater than tooth bar 105, drive link 208 and driven unit 3003 be only subject to frictional resistance in the vertical time, the above-mentioned parts comprising driven unit 3003 will proximally move until homing; Nail-anvil assembly 3001 is ordered about in the motion of driven unit 3003 proximally homing and nail bin groupware 3002 replys open configuration from closed condition.
When not operating percussion insurance trigger 116, see Fig. 5-Fig. 7, tooth bar 105 motion is distally 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 because of the slide block 120 that automatically resets, can only pull the trigger once a part of stroke in complete percussion stroke during operation firing trigger 111, this hour rack 105 can only travel distance L1.Now, see Figure 16, the upper beam 3101 of knife rest 310 distally moves, until close to inclination curved surface terminal 3021 along the inclination curved surface of the internal guide rail of nail anvil seat 302 near-end.
Now, during operation percussion insurance trigger 116, firing safety mechanism will be opened, at operation percussion insurance trigger 116 in a flash, see Fig. 5, Fig. 8 and Fig. 9, percussion insurance trigger 116 rotates along the bearing pin 1111 on firing trigger 111, the corresponding rotary motion of semiaxis 1013 causing the first transmission boss 1161 of percussion insurance trigger 116 to order about insurance spill spin block 118 to carry out 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 to promote to automatically reset the dislocation boss 1204 of slide block 120, order about first sliding pin 1202 of far-end along its symmetry of the slide block 120 that automatically resets, second sliding pin 1203 rotates, the reset tooth 1201 of the slide block 120 that automatically resets is caused to be separated from engagement with second group of tooth 1052 of tooth bar 105.
Now, see Figure 10 and Figure 11, the elastic energy slide block 120 that will automatically reset that automatic-reset spring 121 is put aside retracts original position, automatic reset mechanism no longer can order about driven unit 3003 homing, also just can not order about nail-anvil assembly 3001 and nail bin groupware 3002 and reply open configuration from closed condition.Because tooth bar 105 is no longer subject to automatically reseting the restriction of slide block 120, firing trigger 111 can operate a complete percussion stroke, orders about tooth bar 105 and to advance L2.Now, see Figure 18, the upper beam 3101 of knife rest 310 advances to along the internal guide rail of nail anvil seat 302 and crosses inclination curved surface terminal 3021.
See Figure 12 and Figure 13, when not operating firing trigger 111, during operation percussion insurance trigger 116, bearing pin 1111 due to percussion insurance trigger 116 is not in the position of setting, first transmission boss 1161 of percussion insurance trigger 116 can not order about insurance spill spin block 118 and carry out corresponding rotary motion, second group of tooth 1052 of the reset tooth 1201 and tooth bar 105 that can not order about the slide block 120 that automatically resets is separated from engagement, namely can not open firing safety mechanism, automatic reset mechanism was lost efficacy.
With reference to Figure 10, after at operation firing trigger 111, also operation percussion insurance trigger 116 opens firing safety mechanism, unclamp firing trigger 111 and percussion insurance trigger 116, then repetitive operation firing trigger 111, driven unit 310 just can be driven to continue distally to move, 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 sewed up, and completes stitching and the cutting function of apparatus.
After opening firing safety mechanism, no matter whether operating apparatus completes stitching and cutting function, still further operating apparatus is not had, when initial condition replied by needs apparatus, see Figure 14, manually proximally draw the first reset cap 103 and the second reset cap 104, order about the percussion tooth 1131 pulling out tooth 113 and depart from tooth bar 105 and engage, order about tooth bar 105 and proximally move until recover 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 is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (17)
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 rotate along the first axle of controller;
Described percussion insurance trigger can rotate along the second axle be arranged on firing trigger;
Described first axle and the second axle stagger;
When firing safety mechanism is effective, after operation firing trigger, then during operation percussion insurance trigger, firing safety mechanism will be ordered about and lost efficacy;
When firing safety mechanism is effective, when not operating firing trigger, during operation percussion insurance trigger, firing safety mechanism is still remained valid;
Described executor can perform the first action and the second action;
When firing safety mechanism is effective, first operate firing trigger time executor perform the first action, and firing safety mechanism lost efficacy before or executor first action reset before, firing trigger is completely or partially limited along the anglec of rotation of the first axle.
2. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, during operation firing trigger, percussion insures 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, during operation firing trigger, in the first stage of firing trigger along the first axle rotation of controller, percussion insurance trigger rotates along the second axle of firing trigger; Along with firing trigger continues to rotate, in the second stage of firing trigger along the first axle rotation of controller, percussion insures trigger with firing trigger relative to rotating along the first axle of controller together regularly.
4. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, when then operation firing trigger unclamps firing trigger, firing trigger will automatically reset.
5. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, after then operation firing trigger unclamps firing trigger, firing trigger still keeps original position.
6. the surgical instruments of safety one-hand operation according to claim 1, is characterized in that, when firing safety mechanism is effective, during operation firing trigger, executor always performs the first action.
7. the surgical instruments of safety one-hand operation according to claim 1, it is characterized in that, when firing safety mechanism is effective, during operation firing trigger, executor performs the first action first, when again operating firing trigger, executor performs the first action again.
8. the surgical instruments of safety one-hand operation 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 state, and during original state, nail bin groupware and nail-anvil assembly are in open configuration; Described driven unit can from the proximal movement of nail bin groupware to the far-end of nail bin groupware.
9. the surgical instruments of safety one-hand operation according to any one of claim 1 to 8, is characterized in that, the first action that described executor performs is that the nail bin groupware of executor and nail-anvil assembly change closure state into from open configuration.
10. the surgical instruments of safety one-hand operation according to any one of claim 1 to 8, it is characterized in that, the first action that described executor performs comprises nail bin groupware and nail-anvil assembly changes closure state into from open configuration, and then changes open configuration into from closure state.
The surgical instruments of 11. safety one-hand operations according to claim 1, is characterized in that, when firing safety mechanism lost efficacy, during operation firing trigger, executor performs the second action.
The surgical instruments of 12. safety one-hand operations according to claim 1, is characterized in that, the second action that described executor performs is that the driven unit of described executor is from the proximal movement of the nail bin groupware of executor to its far-end.
The surgical instruments of 13. safety one-hand operations according to claim 1, it is characterized in that, the nail bin groupware of described executor comprises nail bin and suturing nail, and suturing nail is arranged in nail bin, the nail-anvil assembly of described executor comprises nail groove; When described executor performs the second action, the driven unit of executor 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 14. safety one-hand operations according to claim 1, it is characterized in that, the driven unit of described executor comprises cutter, and when described executor performs the second action, cutter cut off the tissue of nail bin groupware and the nail-anvil assembly clamping being performed device.
The surgical instruments of 15. safety one-hand operations according to claim 1, it is characterized in that, described controller comprises manual reset mechanism, after executor performs the first action or the second action, the nail bin groupware and nail-anvil assembly that order about executor are reverted to open configuration from closure state by operation manual reset mechanism.
The surgical instruments of 16. safety one-hand operations according to claim 1, it is characterized in that, described controller comprises automatic reset mechanism, operation firing trigger orders about after the nail bin groupware of described executor and nail-anvil assembly be converted to closure state from open configuration, when unclamping firing trigger under the situation not operating percussion insurance trigger, the nail bin groupware and nail-anvil assembly that automatically order about described executor are converted to open configuration from closure state by described automatic reset mechanism.
The surgical instruments of 17. safety one-hand operations according to claim 16, it is characterized in that, operation firing trigger orders about after the nail bin groupware of described executor and nail-anvil assembly be converted to closure state from open configuration, when unclamping firing trigger again after operation percussion insurance trigger, described automatic reset mechanism still maintains the original state.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN103767752A CN103767752A (en) | 2014-05-07 |
| CN103767752B true CN103767752B (en) | 2016-02-03 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104352259B (en) * | 2014-11-07 | 2016-07-20 | 常州市康迪医用吻合器有限公司 | The singlehanded Endo-GIA resetted |
| CN104490440B (en) * | 2014-12-30 | 2016-09-14 | 苏州天臣国际医疗科技有限公司 | Surgical operating instrument |
| 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 |
| 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 |
| 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 |
| CN109662740B (en) * | 2018-04-02 | 2021-04-16 | 成都五义医疗科技有限公司 | Surgical instrument |
| CN108523955B (en) * | 2018-06-05 | 2024-05-28 | 常州市康迪医用吻合器有限公司 | Driving device for endoscopic cutting anastomat |
| CN109674500B (en) * | 2018-12-25 | 2024-04-02 | 上海逸思医疗科技股份有限公司 | Safety device of surgical instrument |
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| CN103767752A (en) | 2014-05-07 |
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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. |