CN203029298U - Improved surgical instrument and actuator thereof - Google Patents
Improved surgical instrument and actuator thereof Download PDFInfo
- Publication number
- CN203029298U CN203029298U CN 201220479706 CN201220479706U CN203029298U CN 203029298 U CN203029298 U CN 203029298U CN 201220479706 CN201220479706 CN 201220479706 CN 201220479706 U CN201220479706 U CN 201220479706U CN 203029298 U CN203029298 U CN 203029298U
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- nail
- executor
- anvil
- nail anvil
- improved surgical
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Abstract
The utility model provides an improved surgical instrument and an actuator of the improved surgical instrument. The actuator comprises a nail chamber assembly, a nail anvil assembly and a driving assembly, wherein the nail chamber assembly is connected with the nail anvil assembly, and the driving assembly controls the nail chamber assembly and the nail anvil assembly to switch an opening state and a closing state. Further provided is the improved surgical instrument. According to the improved surgical instrument and the actuator, the multiple assemblies with various functions are designed in a combined mode, machining difficulty of components is reduced, the capacity of bending and deformation resistance of a clamping head of the actuator is improved, product performance is improved, the risk of invalidation of the instrument is reduced, and the effect of clinical application of the instrument is improved.
Description
Technical field
This utility model relates to surgical instruments, and especially a kind of surgical operation anastomat particularly, relates to improved surgical instruments and executor thereof.
Background technology
The action principle of surgical stapling is that the jaw (being commonly referred to nail-anvil assembly and nail bin groupware) by two correspondences is closed with grasping tissue, then the metal suturing nail in the anastomat nail bin is released molding, with tissue apposition together.In some anastomat, cutter also are housed, be used for sewing up good tissue cut-out and open.
Anastomat with above-mentioned functions includes executor, intermediate connector and a controller.The executor is made up of nail-anvil assembly, nail bin groupware and driven unit.Nail-anvil assembly comprises a nail forming surface, and the nail forming surface comprises many nail-arranging slots, and the nail groove is used 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 installed in the 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, is used for the action of firing trigger is converted to closing, pulling the trigger of executor and opens action.Generally speaking, 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 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 and molding in the nail groove of the nail forming surface of nail-anvil assembly.Generally speaking, driven unit also comprises cutter, is used for after tissue is sewn the nail stitching, cuts and organizes between many row's nail lines.Controller is used for manual control operation apparatus, has generally comprised a fixed handle, a relative firing trigger that is dynamically connected with fixed handle, and one group is transmitted firing trigger and moves to executor's drive mechanism.Intermediate connector movably is connected with the far-end of controller, and links together with executor's near-end, and intermediate connector constitutes an interface channel, is used for realizing that the action with firing trigger passes to the executor.
The Endo GIA Universal Endo-GIA of U.S. Tyco Healthcare company (afterwards renaming as Covidien), and the Echelon Endo-GIA of U.S. Ethicon Endo-Surgery company is the representational product of realizing above-mentioned functions.The said goods is sold for many years, is also had good clinical application effect by the market proof.The executor of the blue nail bin of the said goods will be compressed to the thickness of closing of 1.5mm to tissue (as gastric tissue, lung tissue, intestinal tissue etc.) from the natural thickness of 5mm-8mm when nail-anvil assembly and nail bin groupware are closed.From the angle of product function, the thickness of closing of tissue is all answered uniformity from near-end to the far-end of nail anvil, guaranteeing suturing nail in molding aftershaping height unanimity, and the steady quality of suturing nail suture tissue, sewing effect is just secure.Therefore, nail-anvil assembly need possess higher bending strength.Nail-anvil assembly is in manufacture process, and a large amount of displacements take place nail groove material when the mould punch forming, objectively require the material of nail-anvil assembly to have good flowability, are easy to produce extensive plastic deformation.Nail-anvil assembly is contradiction to plasticity demand and the bending strength demand of material.The technical scheme that Endo GIA Universal Endo-GIA and Echelon Endo-GIA adopt solves above-mentioned contradiction better, but still have and need perfect place, such as: the nail-anvil assembly bending strength of Endo GIA Universal Endo-GIA is high not enough in some clinical practice, processing technique difficulty height; The bending strength of Echelon Endo-GIA is enough, but the processing technique complexity, the cost height.
For example, at patent US5, in 865,361, the nail-anvil assembly of the Endo GIA of Tyco Healthcare Universal Endo-GIA is described.Referenced patent US5,865,361 description, in conjunction with the design that the actual products of selling on the market adopts, nail-anvil assembly is by the nail anvil sheet and carry on the back cover plate through being made of welded connection.The cavity that forms between the upper surface of back of the body cover plate and the nail anvil sheet is the space that the pin of knife rest slides, and the effect of back of the body cover plate is to close in tissue and the anastomosis procedures at nail-anvil assembly, prevents from organizing the pin by knife rest to crush.Back of the body cover plate adopts the thick stainless sheet steel of 0.2mm-0.3mm to be stamped to form, and the nail anvil sheet adopts the corrosion resistant plate of about 1mm thickness to be stamped to form.These two parts all adopt 304 stainless steel materials, and this material can pass through heat treatment reinforcement, can produce tangible work hardening in machining process.At the lower surface of nail anvil sheet, distributing and passing through many nail grooves of cold punching technology molding.For the nail anvil sheet of the 45mm of Endo GIA Universal nail wire gauge lattice, on the plane of 45mm * 9mm, punching press (cold big and heavy stone) goes out * 11=66 nails of 6 rows grooves, the about 0.5mm of the degree of depth of nail groove.The degree of depth of nail groove reaches half of nail anvil sheet material thickness, this causes in the cold stamping shaped process of nail groove, the material surface that the nail anvil sheet contacts with the mold and punching head top produces serious work hardening, both hindered the further molding of nail groove, also cause mold and punching head wearing and tearing aggravation, reduce die life, and then cause following closely the increasing of groove size fluctuation, precision reduction, finally influences the Forming Quality of suturing nail.
Above-mentioned difficulties at the nail Slot shaping, infer that Endo GIA Universal Endo-GIA is when making the nail anvil sheet, the nail anvil sheet uses 304 stainless sheet steels of annealed state, to reduce the initial hardness of material to greatest extent, promotes nail Slot shaping precision and die life.But, the nail anvil sheet that is processed by 304 rustless steels of annealed state, its bending strength reduces, and then cause the bending strength of nail-anvil assembly low, make this product be applied to that some thick tissues coincide and during the occasion of cutting, after nail-anvil assembly and nail bin groupware are closed, serious flexural deformation takes place in nail-anvil assembly, can't guarantee to be held in the jaw concordance of the compressed thickness of tissue, especially the tissue of jaw far-end is not because being compressed fully so that close poor effect, it is excessive to the jaw far-end to cause being easy to generate tissue when cutting, cause the width that is organized in after coincideing greater than the original compression length of organizing, can cause in operation, needing to increase the quantity of nail bin under some situation, increase medical expense; When serious, can make the suturing nail molding bad.
The utility model content
At defective of the prior art, the purpose of this utility model provides a kind of executor of improved surgical instruments and comprises described executor's anastomat.Can realize organizing clamping according to the apparatus (being anastomat) that this utility model provides, realize the molding of at least one row's suturing nail; Under some application conditions, can also realize the tissue cutting, between many row's suturing nail lines, tissue is cut open.
According to an aspect of the present utility model, a kind of executor of improved surgical instruments is provided, comprise the nail bin groupware and the nail-anvil assembly that are connected, and the driven unit of control nail bin groupware and nail-anvil assembly conversion folding condition, described nail-anvil assembly comprises the nail anvil sheet, the nail anvil seat, described nail anvil sheet is arranged on the medial surface of described nail anvil seat, described nail anvil sheet is processed through cold punching technology by stainless sheet steel, the thickness of described stainless sheet steel is lower than the maximum molding degree of depth of the nail groove of described nail anvil sheet, described nail anvil sheet is provided with first gathering sill, described nail anvil seat is provided with second gathering sill, described first gathering sill and second gathering sill are along coaxial arrangement, and described driven unit is in the guiding lower slider of described first gathering sill and second gathering sill.
Preferably, described nail anvil sheet is formed through the punching stretch processes by stainless sheet steel.
Preferably, the thickness of described stainless sheet steel is 0.1-0.4mm.
Preferably, the thickness of described stainless sheet steel is 0.2-0.3mm.
Preferably, the hot strength of the employed material of described nail anvil seat is higher than the hot strength of described stainless sheet steel.
Preferably, described nail anvil seat processes by the combination of one or more technologies in thermal forging technology, powder metallurgy forming technology, casting technique or the machine cut processing technique.Wherein, powder metallurgy forming technology has comprised powder injection-molded technology (MIM, Metal Injection Molding) and powder pressing forming technology.
Preferably, also comprise back of the body cover plate, wherein, described back of the body cover plate is arranged on the lateral surface of described nail anvil seat, the lateral surface of described nail anvil seat comprises a guide pass, has a cavity between the guide pass of described back of the body cover plate and nail anvil seat, and driven unit moves along guide pass in cavity.
Preferably, be connected to an overall structure by welding and/or machine riveting mode between each assembly of described nail-anvil assembly.
Preferably, the nail groove on the described nail anvil sheet is arranged in many row's parallel lines or parallel curves selectively.
Preferably, the nail groove on the described nail anvil sheet is arranged in 4 rows or 6 rows.
According to another aspect of the present utility model, a kind of improved surgical instruments also is provided, comprise controller, intermediate connector, executor, wherein, described executor, intermediate connector, controller connect successively.
Compared with prior art, the utlity model has following beneficial effect:
1, nail anvil sheet and the nail anvil seat that mainly adopts different materials to make constitutes nail-anvil assembly, thereby satisfied plasticity demand and the bending strength demand of nail-anvil assembly to material simultaneously, wherein, the nail anvil sheet adopts thinner stainless sheet steel, by the drawing process molding, to improve the molding difficulty of nail groove, provide high-precision nail groove; The nail anvil seat adopts structure, material and the processing technique scheme that high anti-bending strength can be provided, and stronger anti-bending strength is provided for whole nail-anvil assembly;
2, the hot strength of the material of nail anvil seat use is higher than the hot strength of the material of nail anvil sheet use, thereby make the nail anvil seat that higher hot strength and bending strength is provided, make the easier drawing and forming of nail anvil sheet, overcome the nail-anvil assembly bending strength that exists in the existing device design not enough and cause organize excessive and the bad problem of suturing nail molding;
3, nail-anvil assembly is formed by a plurality of unit constructions with difference in functionality, strengthen the executor and closed the equal property that is held thickness of tissue when organizing, compare with the existing product design, the executor close better effects if, manufacturing cost is lower, clinical risk is littler.
When 4, the thickness t of the stainless sheet steel of processing nail anvil sheet is less than the maximum molding degree of depth h of nail groove, thereby make the cold punching technology of processing nail anvil sheet can use punching stretch technology, with the imprint process that replaces when slab becomes the sprig groove, adopting, improved the precision of nail groove size.
Description of drawings
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 utility model will become:
Fig. 1 is the structural representation according to the improved surgical instruments of first embodiment of the present utility model;
Fig. 2 is the blast structural representation of surgical instruments shown in Figure 1;
Fig. 3 is the local structure for amplifying sketch map of the executor in the surgical instruments shown in Figure 1;
Fig. 4 be in the surgical instruments shown in Figure 1 nail-anvil assembly face structural representation;
Fig. 5 is the three dimensional structure sketch map of the nail-anvil assembly in the surgical instruments shown in Figure 1;
Fig. 6 is the structural representation of the nail anvil sheet in the surgical instruments shown in Figure 1;
Fig. 7 is the part section structural representation at the nail anvil sheet A-A place in Fig. 6 in the surgical instruments shown in Figure 1;
Fig. 8 is the structural representation of the nail anvil seat in the surgical instruments shown in Figure 1;
Fig. 9 is the structural representation of facing of nail anvil seat shown in Figure 8;
Figure 10 is that nail anvil seat shown in Figure 9 is in the cross-sectional view at B-B place;
Figure 11 is the structural representation according to the nail anvil seat in the improved surgical instruments of second embodiment of the present utility model;
Figure 12 is that nail anvil seat shown in Figure 11 is in the cross-sectional view at D-D place.
The specific embodiment
Below in conjunction with specific embodiment this utility model is elaborated.Following examples will help those skilled in the art further to understand this utility model, but not limit this utility model in any form.Should be pointed out that to those skilled in the art, under the prerequisite that does not break away from this utility model design, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
This utility model is applied to the executor of surgical instruments, uses special part assembled scheme, combination of materials scheme and processing technique scheme to make the executor, to obtain the more outstanding nail-anvil assembly of comprehensive bending strength.
Fig. 1 to Figure 10 illustrates the sketch map according to the improved surgical instruments of first embodiment of the present utility model.Particularly, in the present embodiment, referring to Fig. 1-Fig. 2, described improved surgical instruments comprises controller 300, intermediate connector 200, executor 100, and wherein, executor 100, intermediate connector 200, controller 300 connect successively.
Controller 300 generally comprises first fixed handle 301, second fixed handle 302, a movable firing trigger 303, firing trigger return spring 310 and one pass to rotatablely moving of firing trigger 303 drive link 204 of intermediate connector 200 and order about its longitudinally transmission and movement conversion mechanism of moving linearly.As shown in Figure 2, described transmission and movement conversion mechanism comprise pull out tooth 313, pull out alligator 311, pull out tooth spring 312, tooth bar 304.Tooth bar 304 can be installed in the guide rail of first fixed handle 301, second fixed handle, 302 inside with moving back and forth, pull out tooth 313 by being installed in an end of firing trigger 303 with pulling out alligator 311 rotatable motions, pull out tooth spring 312 and keep pulling out tooth 313 and be partial to all the time with tooth bar 304 and mesh.When operation firing trigger 303, rotatablely moving of firing trigger 303 passes to tooth bar 304 by pulling out tooth 313, drives tooth bar 304 to the far-end rectilinear motion.Controller 300 also comprises a cover tooth bar resetting-mechanism usually, and the tooth bar 304 that is used for finishing after the appliance function sets back.As shown in Figure 2, described tooth bar resetting-mechanism comprises first medicated cap 305, second medicated cap 306 that resets that resets, return pin 308, and tooth bar return spring 309 pulls out tooth dropout sheet 307.When tooth bar 304 breaks away from initial position because of operation firing trigger 303, the operator draws first medicated cap 305, second medicated cap 306 that resets that resets to near-end, by return pin 308, at first order about and pull out 307 for the motions of tooth dropout sheet, drive and pull out tooth 313 disengagings and tooth bar 304 position engaged; Pull on first and reset medicated cap 305, second when resetting medicated cap 306, return pin 308 continues to retreat up to return pin 308 and contacts with tooth bar 304 rigidity, continue this moment to draw first to reset medicated cap 305, second when resetting medicated cap 306 to near-end, tooth bar 304 will be in company with return pin 308 together to the near-end motion, up to resetting.
Intermediate connector 200 is connected the far-end of controller 300.In surgical stapling embodiment shown in Figure 2, intermediate connector 200 comprises: first rotary connecting joint 211, second rotary connecting joint 212, drive link 204, gun barrel 205, pipe 203 in pipe 202, the second nail casket in holster pipe 206, the first nail caskets, nail casket sleeve pipe 201 assemblies such as grade.The axis coaxle of pipe 203 in pipe 202, the second nail casket in gun barrel 205 and the first nail casket, the direction of this axis constitutes the described longitudinal direction of present embodiment.The near-end of gun barrel 205 movably is connected with the far-end of controller 300 by first rotary connecting joint 211, second rotary connecting joint 212.Drive link 204 is arranged in the inner chamber of the interior pipe 203 of pipe 202, the second nail casket in gun barrel 205 and the first nail casket, and can manage the inner chamber freely-movable longitudinally of pipe 203 in 202, the second nail casket in gun barrel 205 and the first nail casket.The far-end of drive link 204 is connected with the near-end of driven unit 109, and the near-end of drive link 204 is connected with tooth bar 304, and drive link 204 can pass to the lengthwise movement of tooth bar 304 driven unit 109.
In surgical stapling embodiment shown in Figure 2, intermediate connector 200 also comprises a loading insurance institution that can unload with executor 100, comprising: load return spring 207, load safety block 208, load limited block 209.After intermediate connector is loaded into, load safety block 208 executor 100 under the elastic force effect of loading return spring 207, stop executor 100 with intermediate connector 200 relative rotation and unloading to take place.
Referring to Fig. 2-Fig. 3, executor 100 mainly is made up of nail-anvil assembly 1001, nail bin groupware 1002 and driven unit 1003.Nail bin groupware 1002 generally comprises nail bin 104, a plurality of suturing nail 105, a plurality of ejector pin piece 106, ejector pin slide block 108 and nail bin seat 107, and the upper surface of nail bin 104 is tissue contact surface, and nail bin 104 is installed in the nail bin seat 107.Nail-anvil assembly 1001 comprises nail anvil sheet 103 and nail anvil seat 102.
As Fig. 6-shown in Figure 7, in the present embodiment, nail anvil sheet 103 comprises first gathering sill 1031 and a plurality of nail groove 1032.Driven unit 1003 slip of can in first gathering sill 1031, leading.Nail anvil sheet 103 comprises many nail-arranging slots 1032 towards the surface of grasping tissue one side, and when suturing nail 105 was subjected to drive to 103 motions of nail anvil sheet, suturing nail 105 entered nail groove 1032, and is B font or similar B font at the curved surface guiding compacted under of nail groove 1032 inside.
In the present embodiment, nail anvil sheet 103 is processed through cold punching technology by stainless sheet steel, and the thickness t of stainless sheet steel is lower than the maximum molding degree of depth h of the nail groove 1032 of nail anvil sheet 103, that is: t＜h.In actual applications, be the suturing nail 105 of 0.2mm-0.25mm for diameter, for guaranteeing to provide enough guide performances when suturing nail 105 molding, the scope of the maximum molding degree of depth h of nail groove 1032 is usually at 0.4mm-0.6mm; Be the suturing nail 105 of 0.25mm-0.35mm for diameter, for guaranteeing to provide enough guide performances when suturing nail 105 molding, the scope of the maximum molding degree of depth h of nail groove 1032 is usually at 0.45mm-0.7mm.When the thickness t of the stainless sheet steel of processing nail anvil sheet 103 during less than the maximum molding degree of depth h of nail groove 1032.Preferably, the cold punching technology of processing nail anvil sheet 103 can use punching stretch technology, replaces the imprint process that adopts when slab becomes sprig groove 1032.
Referring to Fig. 4, Fig. 8-Figure 10, nail anvil seat 102 comprises medial surface 1022, lateral surface 1023 and second gathering sill 1021, nail anvil sheet 103 is arranged in the medial surface 1022 of nail anvil seat 102, and first gathering sill 1031 of nail anvil sheet 103 is arranged along identical axis Z with second gathering sill 1021 of nail anvil seat 102.
As shown in Figure 4, axis Z is straight line.At this moment, the nail groove 1032 of nail anvil sheet 103 selectively is arranged in many row's parallel lines.The quantity of described many row's parallel lines comprises 2 rows-8 rows, preferably, is 6 rows or 4 rows.And change in the example at one of present embodiment, be that with difference embodiment illustrated in fig. 4 in this variations example, axis Z is curve, at this moment, the nail groove 1032 of nail anvil sheet 103 selectively is arranged in the curves of arranging more.Described many row's curves can be many isocentric circular arc, also can be many parallel asymptotes, also can be the curve of other type or the build-up curve of multiple curve.The quantity of described many row's curves comprises 2 rows-8 rows, preferably, is 6 rows or 4 rows.Described selectively being arranged in arranged more, refers between the two adjacent nail-arranging slots 1032, and the position of nail groove 1032 is staggered and arranges.
Accurately locate for guaranteeing nail anvil sheet 103 and nail anvil seat 102, as Fig. 4-shown in Figure 6, nail anvil sheet 103 is provided with locating hole 1033, and nail anvil seat 102 is provided with alignment pin 1024, and the locating hole 1033 on the nail anvil sheet 103 is located with alignment pin 1024 couplings on the nail anvil seat 102.
Nail anvil seat 102 processes by thermal forging technology.In the variation example of present embodiment, nail anvil seat 102 also can process by powder metallurgy forming technology or machine cut processing technique.
Nail-anvil assembly 1001 also comprises a back of the body cover plate 101.Back of the body cover plate 101 is arranged in the lateral surface of nail anvil seat 102.
In a preference of present embodiment, can be as a whole by being connected of welding manner, machine riveting mode or the two between each assembly of described nail-anvil assembly.Wherein, welding manner comprises laser weld, resistance welded, melts modes such as weldering.
In another preference of present embodiment, nail anvil sheet 103 uses 304 stainless steel materials, nail anvil seat 102 uses 420 stainless steel materials, 420 stainless steel materials can obtain to be not less than the hot strength of 1300MPa after process appropriate heat treatment technology, 304 stainless steel materials are behind the H1/2 heat treatment, and hot strength is not higher than 1050MPa usually.
Figure 11 and Figure 12 illustrate the sketch map according to the improved surgical instruments of second embodiment of the present utility model.Those skilled in the art can be interpreted as second embodiment shown in Figure 12 that one of first embodiment of going out shown in Figure 1 changes example.Particularly, the difference of present embodiment and first embodiment shown in Figure 1 is that in the present embodiment, described back of the body cover plate is omitted, and more specifically, as Figure 11-shown in Figure 12, nail-anvil assembly 1001 comprises nail anvil sheet 103 and nail anvil seat 102, does not comprise back of the body cover plate.Nail anvil seat 102 comprises medial surface 1022, lateral surface 1023 and second gathering sill 1021, nail anvil sheet 103 is arranged in the medial surface 1022 of nail anvil seat 102, and first gathering sill 1031 of nail anvil sheet 103 is arranged along identical axis Z with second gathering sill 1021 ' of nail anvil seat 102.
More than specific embodiment of the utility model is described.It will be appreciated that this utility model is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present utility model.
Claims (11)
1. the executor of an improved surgical instruments, comprise the nail bin groupware (1002) and the nail-anvil assembly (1001) that are connected, and the driven unit (1003) of control nail bin groupware (1002) and nail-anvil assembly (1001) conversion folding condition, it is characterized in that, described nail-anvil assembly (1001) comprises nail anvil sheet (103), nail anvil seat (102), described nail anvil sheet (103) is arranged on the medial surface (1022) of described nail anvil seat (102), described nail anvil sheet (103) is processed through cold punching technology by stainless sheet steel, the thickness of described stainless sheet steel is lower than the maximum molding degree of depth of the nail groove (1032) of described nail anvil sheet (103), described nail anvil sheet (103) is provided with first gathering sill (1031), described nail anvil seat (102) is provided with second gathering sill (1032), described first gathering sill (1031) and second gathering sill (1032) are along coaxial arrangement, and described driven unit (1003) is in the guiding lower slider of described first gathering sill (1031) with second gathering sill (1032).
2. the executor of improved surgical instruments according to claim 1 is characterized in that, described nail anvil sheet (103) is formed through the punching stretch processes by stainless sheet steel.
3. the executor of improved surgical instruments according to claim 1 is characterized in that, the thickness of described stainless sheet steel is 0.1-0.4mm.
4. the executor of improved surgical instruments according to claim 3 is characterized in that, the thickness of described stainless sheet steel is 0.2-0.3mm.
5. the executor of improved surgical instruments according to claim 1 is characterized in that, the hot strength of the employed material of described nail anvil seat (102) is higher than the hot strength of described stainless sheet steel.
6. the executor of improved surgical instruments according to claim 1, it is characterized in that described nail anvil seat (102) processes by the combination of one or more technologies in thermal forging technology, powder metallurgy forming technology, casting technique or the machine cut processing technique.
7. the executor of improved surgical instruments according to claim 1, it is characterized in that, also comprise back of the body cover plate (101), wherein, described back of the body cover plate (101) is arranged on the lateral surface (1023) of described nail anvil seat (102), the lateral surface (1023) of described nail anvil seat (102) comprises a guide pass, has a cavity between the guide pass of described back of the body cover plate (101) and nail anvil seat (102), and driven unit (1003) moves along guide pass in cavity.
8. according to the executor of claim 1 or 7 described improved surgical instrumenties, it is characterized in that, be connected to an overall structure by welding and/or machine riveting mode between each assembly of described nail-anvil assembly (1001).
9. the executor of improved surgical instruments according to claim 1 is characterized in that, the nail groove (1032) on the described nail anvil sheet (103) is arranged in many row's parallel lines or parallel curves selectively.
10. the executor of improved surgical instruments according to claim 9 is characterized in that, the nail groove (1032) on the described nail anvil sheet (103) is arranged in 4 rows or 6 rows.
11. improved surgical instruments, it is characterized in that, comprise controller (300), intermediate connector (200), it is characterized in that, also comprise the described executor of claim 1 (100), wherein, described executor (100), intermediate connector (200), controller (300) connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479706 CN203029298U (en) | 2012-09-18 | 2012-09-18 | Improved surgical instrument and actuator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479706 CN203029298U (en) | 2012-09-18 | 2012-09-18 | Improved surgical instrument and actuator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029298U true CN203029298U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220479706 Withdrawn - After Issue CN203029298U (en) | 2012-09-18 | 2012-09-18 | Improved surgical instrument and actuator thereof |
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| CN (1) | CN203029298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885641A (en) * | 2012-09-18 | 2013-01-23 | 上海逸思医疗科技有限公司 | Improved performer for surgical instruments |
| CN107714121A (en) * | 2017-11-13 | 2018-02-23 | 江苏孜航精密五金有限公司 | Resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof |
| CN109984788A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
-
2012
- 2012-09-18 CN CN 201220479706 patent/CN203029298U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885641A (en) * | 2012-09-18 | 2013-01-23 | 上海逸思医疗科技有限公司 | Improved performer for surgical instruments |
| WO2014044108A1 (en) * | 2012-09-18 | 2014-03-27 | 上海逸思医疗科技有限公司 | Improved actuator of surgical instrument |
| CN102885641B (en) * | 2012-09-18 | 2015-04-01 | 上海逸思医疗科技有限公司 | Improved performer for surgical instruments |
| CN107714121A (en) * | 2017-11-13 | 2018-02-23 | 江苏孜航精密五金有限公司 | Resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof |
| CN109984788A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
| CN109984788B (en) * | 2017-12-29 | 2022-05-13 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
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