CN104027143A - Cutting assembly of stapler - Google Patents
Cutting assembly of stapler Download PDFInfo
- Publication number
- CN104027143A CN104027143A CN201410247376.2A CN201410247376A CN104027143A CN 104027143 A CN104027143 A CN 104027143A CN 201410247376 A CN201410247376 A CN 201410247376A CN 104027143 A CN104027143 A CN 104027143A
- Authority
- CN
- China
- Prior art keywords
- nail bin
- cutting assembly
- staple
- anastomat
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a cutting assembly of a stapler, and belongs to the field of medical instruments. Staple molding heights of suturing staples of the cutting assembly are inconsistent. By using the height difference of staple pushing grain tooth pieces, under the condition of the consistent heights of the suturing staples, the molding heights are inconsistent, and the outer molded staples are higher than the inner molded staples. The inner molded staples are low to be beneficial to stop bleeding, the outer molded staples are high to be beneficial to the blood supply for tissues to cutting edges, and the healing of the tissues is fast. A staple cartridge surface is designed into a ladder shape, the middle position is higher than the positions of the two sides, so that the squeezing force of the tissues is dispersed, the stress of the middle surface is greater to be beneficial to spread tissue fluid to the two sides, the time for compressing the tissues to the specified height is effectively shortened, and the operation time is shortened. A tissue stop stand column is used for limiting tissue pull-in positions, and interacts with tissue positioning staples to ensure that the length of staple lines always exceeds that of clamping tissues, complete suturing of the tissues is ensured, and no exposure point is generated.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of anastomat cutting assembly, particularly a kind of cutting assembly that is applicable to linear cutting anastomat, anastomosis ring applicator and arc anastomosis device.
Background technology
Anastomat is clinical conventional apparatus, and main uses is to organize from disconnected, excision and identical.No matter be linear incision anastomat or annular cutting anastomat, cutting assembly is all important ingredient.In use all need tissue to be placed between the nail anvil and nail bin of head part of apparatus, then squeeze handles, nail bin is drawn close to nail anvil direction, and when the rear cutter of percussion resection organization, the gear piece of ejector pin grain is pushed the staple in nail bin to follow closely to groove from nail bin hole, is squeezed into B font.The nail bin surface alignment using is at present arranged the cutting assembly of staple more, and in it, the anastomosis staple in outside becomes staple height consistent, is unfavorable for the blood fortune of hemostasis and tissue.And nail bin surface does not have drop, the squeeze force of tissue is not scatter, tissue fluid is not easy to arrange, and tissue compression needs the long period to certain thickness, working costs effort.
Summary of the invention
The present invention seeks to overcome above-mentioned technological deficiency, provide a kind of match result good, be conducive to the cutting assembly of hemostasis and organization healing.Comprise nail bin, the staple that is arranged on the ejector pin grain in nail bin and is promoted by ejector pin grain, the surface middle part that nail bin is relative with nail supporting base is provided with push broach groove, two holes, nail storehouse of respectively arranging, push broach groove both sides,
The object of the invention is to be achieved through the following technical solutions: anastomat cutting assembly, comprise nail bin, the staple that is arranged on the ejector pin grain in nail bin and is promoted by the gear piece of ejector pin grain, nail bin surface is provided with push broach groove, the nail bin hole of nail bin surface distributed two or more rows, the nail bin hole of arranging near push broach groove is nail bin hole, inner side, the nail bin hole of arranging away from push broach groove is nail bin hole, outside, staple distribution corresponding to nail bin hole, the gear piece that described ejector pin grain pushes away interior row's staple is inner row teeth sheet, the gear piece that pushes away outer row's staple is outer rows of teeth sheet, inner row teeth sheet height is higher than outer rows of teeth sheet, the difference in height of inner row teeth sheet and outer rows of teeth sheet is h1.Described h1 is 0.1-0.2mm.
Further, the nail bin surface in the nail bin hole, inner side of arranging is called inner side nail bin face, and the nail bin surface in the nail bin hole, outside of arranging is called outside nail bin face, and the two difference in height is h2.Described h2 is 0.1-0.2mm.
Further, described h1 >=h2.
Further, described nail bin front portion is provided with tissue positioned nail, and rear portion is provided with organizes retaining column, and front end nail bin hole exceeds forward tissue positioned post, and nail bin hole, rear end is crossed and organized retaining column backward.
The invention has the beneficial effects as follows: nail bin groupware major advantage of the present invention has: (1) staple becomes staple height inconsistent: utilize the difference in height of ejector pin grain gear piece, in the situation that staple height is consistent, forming height is inconsistent, and outside Cheng Ding is higher than inner side.Inner side becomes low being conducive to of nail to stop blooding, and outside becomes the high blood fortune of tissue to incisxal edge that is conducive to of nail, accelerates organization healing.(2) nail bin face adopts stepped design, and centre position is higher than both sides, has disperseed the squeeze force of tissue, and median surface is stressed larger, contributes to tissue fluid to arrange to both sides, effectively shortens the time of compress tissue to specified altitude assignment, thereby shortens operating time.(3) tissue retaining column limits tissue and draws in position, and the interaction of tissue positioned nail, guarantees that staple line length always exceedes the length of grasping tissue, ensures that tissue is sewed up completely, there is no dew point.
Brief description of the drawings
The explosive view of Fig. 1 nail bin groupware of the present invention;
The assembled view of Fig. 2 nail bin groupware of the present invention;
Fig. 3 is the structural representation of A-A section in Fig. 2;
Fig. 4 is the structure chart of ejector pin grain;
In figure, 1 staple, 2 nail bins, 3 ejector pin grains, 4 tissue positioned nails, 5 organize retaining column, 11 interior row's staples, 12 outer row's staples, 20 push broach grooves, 21 nail bin holes, inner side, 22 nail bin holes, outside, 23 front end nail bin holes, 24 nail bin holes, rear end, 31 inner side gear pieces, 32 outside gear pieces.
Detailed description of the invention
Anastomat cutting assembly, comprise nail bin 2, the staple 1 that is arranged on the ejector pin grain 3 in nail bin 2 and is promoted by the gear piece of ejector pin grain 3, nail bin surface is provided with push broach groove 20, the nail bin surface distributed two above nail bin holes of row, the nail bin hole of arranging near push broach groove 20 is nail bin hole, inner side 21, and the nail bin hole of arranging away from push broach groove 20 is nail bin hole, outside 22, staple 1 distribution corresponding to nail bin hole 21,22.The gear piece that ejector pin grain as shown in the figure pushes away outer row's staple 12 is outer rows of teeth sheet 32, and the gear piece that pushes away interior row's staple 11 is inner row teeth sheet 31, and inner row teeth sheet 31 height are higher than outer rows of teeth sheet 32, and inner row teeth sheet 31 is h1 with the difference in height of outer rows of teeth sheet 32.Difference in height a between interior row's staple and outer row's staple, depends on the value of h1.As a kind of optimal way, described h1 is 0.1-0.2mm.Because the staple height using is consistent, after using the present invention to exist the ejector pin grain gear piece ejector pin of difference in height to be shaped, be shaped low and outside staple (away from otch) of inner side staple (close to otch) is shaped highly, and tight inside but loose outside being formed with is beneficial to hemostasis and blood is transported, and then be conducive to the healing of tissue.
Inside arranging in the present invention, the nail bin surface in nail bin hole 21 can be higher than the nail bin surface in the nail bin hole 22, outside of arranging, the poor h2 of nail bin surface height of formation.Centre position is higher than both sides, has disperseed the squeeze force of tissue, and median surface is stressed larger, contributes to tissue fluid to arrange to both sides, effectively shortens the time of compress tissue to specified altitude assignment, thereby shortens operating time.In the time that h1 is equal with h2, interior row's staple 11 is exposed nail bin surface in the time pulling the trigger height with outer row's staple 12 is identical, but because the nail groove on interior row's staple and nail supporting base is more approaching, is still that inner side Cheng Ding is low compared with outside after Cheng Ding.Can by adjusting difference in height h1 and h2, to adjust the forming height of interior row's staple and outer row's staple poor.
Described nail bin 2 front portions are provided with tissue positioned nail 4, and rear portion is provided with organizes retaining column 5, and front end nail bin hole 23 exceeds forward tissue positioned post 4, and nail bin hole, rear end 24 is crossed and organized retaining column 5 backward.
The figure that the present embodiment provides is a kind of linear type nail bin groupware, totally four holes, nail storehouse, but the present invention is not limited thereto.The ejector pin gear piece that ejector pin grain pushes away inner side nail goes for anastomosis ring applicator, arc anastomosis device and linear anastomat higher than the structure of the ejector pin gear piece that pushes away outside nail.
Claims (9)
1. anastomat cutting assembly, comprise nail bin, the staple that is arranged on the ejector pin grain in nail bin and is promoted by the gear piece of ejector pin grain, nail bin surface is provided with push broach groove, the nail bin hole of nail bin surface distributed two or more rows, the nail bin hole of arranging near push broach groove is nail bin hole, inner side, the nail bin hole of arranging away from push broach groove is nail bin hole, outside, staple distribution corresponding to nail bin hole, it is characterized in that: the gear piece that described ejector pin grain pushes away interior row's staple is inner row teeth sheet, the gear piece that pushes away outer row's staple is outer rows of teeth sheet, inner row teeth sheet height is higher than outer rows of teeth sheet, the difference in height of inner row teeth sheet and outer rows of teeth sheet is h1.
2. anastomat cutting assembly according to claim 1, is characterized in that: described h1 is 0.1-0.2mm.
3. anastomat cutting assembly according to claim 1 and 2, is characterized in that: the nail bin surface in the nail bin hole, inner side of arranging is called inner side nail bin face, and the nail bin surface in the nail bin hole, outside of arranging is called outside nail bin face, and the two difference in height is h2.
4. anastomat cutting assembly according to claim 3, is characterized in that: described h2 is 0.1-0.2mm.
5. anastomat cutting assembly according to claim 4, is characterized in that: described h1 >=h2.
6. anastomat cutting assembly according to claim 1, is characterized in that: described nail bin front portion is provided with tissue positioned post, and rear portion is provided with organizes retaining column, and front end nail bin hole exceeds forward tissue positioned post, and nail bin hole, rear end is crossed and organized retaining column backward.
7. according to the anastomat cutting assembly described in claim 1-6 any one, it is characterized in that: described cutting assembly is for linear cutting anastomat.
8. according to the anastomat cutting assembly described in claim 1-6 any one, it is characterized in that: described cutting assembly is for anastomosis ring applicator.
9. according to the anastomat cutting assembly described in claim 1-6 any one, it is characterized in that: described cutting assembly is for the cutting assembly of arc anastomosis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247376.2A CN104027143A (en) | 2014-06-06 | 2014-06-06 | Cutting assembly of stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247376.2A CN104027143A (en) | 2014-06-06 | 2014-06-06 | Cutting assembly of stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104027143A true CN104027143A (en) | 2014-09-10 |
Family
ID=51458304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410247376.2A Pending CN104027143A (en) | 2014-06-06 | 2014-06-06 | Cutting assembly of stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104027143A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171859A (en) * | 2018-09-27 | 2019-01-11 | 苏州朗特斯医疗科技有限公司 | A kind of intracavitary Endo-GIA component for preventing tissue from sliding |
| EP3453339A1 (en) * | 2017-09-12 | 2019-03-13 | Covidien LP | Staple reload with integral tissue stops |
| CN109833069A (en) * | 2017-12-31 | 2019-06-04 | 江苏风和医疗器材股份有限公司 | Nail bin groupware and its surgical instruments |
| CN109984792A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Nail bin groupware, end effector and surgical instruments |
| CN109984790A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Nail bin groupware and surgical instruments |
| CN111012421A (en) * | 2018-12-12 | 2020-04-17 | 江苏风和医疗器材股份有限公司 | Suturing nail forming part, suturing mechanism and surgical anastomat |
| WO2020151345A1 (en) * | 2019-01-24 | 2020-07-30 | 苏州英途康医疗科技有限公司 | Cartridge for surgical instrument, and surgical instrument |
| CN113749713A (en) * | 2021-10-19 | 2021-12-07 | 四川大学华西第二医院 | Step-by-step arc nail bin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2319423A2 (en) * | 2005-08-15 | 2011-05-11 | Tyco Healthcare Group LP | Surgical stapling instruments including a cartridge having multiple staple sizes |
| CN103142266A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Surgical operation stitching instrument |
| CN203564290U (en) * | 2013-10-31 | 2014-04-30 | 南京迈迪欣医疗器械有限公司 | Needle bin component of endoscope anastomat |
| CN203935223U (en) * | 2014-06-06 | 2014-11-12 | 山东威瑞外科医用制品有限公司 | Anastomat cutting assembly |
-
2014
- 2014-06-06 CN CN201410247376.2A patent/CN104027143A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2319423A2 (en) * | 2005-08-15 | 2011-05-11 | Tyco Healthcare Group LP | Surgical stapling instruments including a cartridge having multiple staple sizes |
| CN103142266A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Surgical operation stitching instrument |
| CN203564290U (en) * | 2013-10-31 | 2014-04-30 | 南京迈迪欣医疗器械有限公司 | Needle bin component of endoscope anastomat |
| CN203935223U (en) * | 2014-06-06 | 2014-11-12 | 山东威瑞外科医用制品有限公司 | Anastomat cutting assembly |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3453339A1 (en) * | 2017-09-12 | 2019-03-13 | Covidien LP | Staple reload with integral tissue stops |
| CN109833069A (en) * | 2017-12-31 | 2019-06-04 | 江苏风和医疗器材股份有限公司 | Nail bin groupware and its surgical instruments |
| CN109984792A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Nail bin groupware, end effector and surgical instruments |
| CN109984790A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Nail bin groupware and surgical instruments |
| CN109984790B (en) * | 2017-12-31 | 2022-09-02 | 江苏风和医疗器材股份有限公司 | Nail bin assembly and surgical instrument |
| CN109984792B (en) * | 2017-12-31 | 2022-09-02 | 江苏风和医疗器材股份有限公司 | Nail bin assembly, end effector and surgical instrument |
| CN109171859A (en) * | 2018-09-27 | 2019-01-11 | 苏州朗特斯医疗科技有限公司 | A kind of intracavitary Endo-GIA component for preventing tissue from sliding |
| CN111012421A (en) * | 2018-12-12 | 2020-04-17 | 江苏风和医疗器材股份有限公司 | Suturing nail forming part, suturing mechanism and surgical anastomat |
| WO2020151345A1 (en) * | 2019-01-24 | 2020-07-30 | 苏州英途康医疗科技有限公司 | Cartridge for surgical instrument, and surgical instrument |
| CN113749713A (en) * | 2021-10-19 | 2021-12-07 | 四川大学华西第二医院 | Step-by-step arc nail bin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |