CN113440195A - Anastomat secondary firing prevention mechanism with stable structure and anastomat - Google Patents
Anastomat secondary firing prevention mechanism with stable structure and anastomat Download PDFInfo
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- CN113440195A CN113440195A CN202110890934.7A CN202110890934A CN113440195A CN 113440195 A CN113440195 A CN 113440195A CN 202110890934 A CN202110890934 A CN 202110890934A CN 113440195 A CN113440195 A CN 113440195A
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- pushing block
- cutter
- driving
- anastomat
- assembly
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—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
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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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
The application provides a secondary firing mechanism and anastomat are prevented to anastomat with stable structure includes: a drive channel located within the staple cartridge; the nail pushing block is arranged in the driving channel; the cutter assembly is at least partially arranged in the driving channel, and the far end of the cutter assembly is abutted against the near end of the nail pushing block and is used for driving the nail pushing block to move towards the far end; the safety component is arranged on one side of the driving channel and is in biased abutting connection with the side surface of the nail pushing block when the nail pushing block and the cutter component are both located at the initial positions; when the staple pushing block is located at the firing position and the cutter component is retracted to the initial position, the safety component is blocked on the moving path of the cutter component from the proximal end to the distal end through the biasing force. The safety assembly can realize that the cutter assembly is not hindered to advance in the anastomosis process through the matching nail pushing block, and can also block the cutter assembly to advance after returning, thereby realizing the effect of preventing secondary percussion of the anastomat and having stable and reliable structure.
Description
Technical Field
The invention relates to a medical instrument, in particular to an anastomat secondary firing prevention mechanism with a stable structure and an anastomat.
Background
The anastomat is used as a device for replacing the traditional manual suture, is convenient to use, tight and proper in tightness, particularly has the advantages of being fast in suture, simple and convenient to operate, few in side effects and operation complications and the like, enables the tumor operation which cannot be resected in the past to be resected at the focus, and is popular and advocated by clinical surgeons at home and abroad.
In order to prevent an operator from mistakenly pushing the cutter again after completing anastomosis to cause unnecessary injury to a human body, a hollow nail bin protection device is generally arranged on the anastomat, for example, the application number CN201911115569.1 discloses a hollow nail bin non-firing device of a disposable intracavity cutting anastomat, and the device is provided with a driving sleeve, a safety spring, a fixing fork, a firing safety pin, an upper half shell, a lower half shell, a cutter and a cutter pushing plate. The doctor can avoid carrying out the mistake percussion to empty nail storehouse in the operation, has reduced misoperation's possibility to the operation safety has been guaranteed.
However, most empty nail bin protection devices for preventing secondary percussion of the anastomat in the prior art need more parts and complex structural design, and also can generate certain obstruction to the push broach process, and also easily cause the problem that the empty nail bin protection devices are caused by the loosening of the safety in the transportation process, so that a secondary percussion mechanism for preventing the anastomat with a stable structure needs to be provided.
Disclosure of Invention
In order to solve the technical problem, the technical scheme of the invention is realized as follows:
the technical scheme of this application is that secondary firing mechanism is prevented to anastomat with stable structure includes:
a drive channel located within the staple cartridge;
the nail pushing block is arranged in the driving channel;
the cutter assembly is at least partially arranged in the driving channel, and the far end of the cutter assembly is abutted against the near end of the nail pushing block and is used for driving the nail pushing block to move towards the far end;
the safety component is arranged on one side of the driving channel and is in biased abutting connection with the side face of the nail pushing block when the nail pushing block and the cutter component are both located at the initial positions; when the staple pushing block is located at the firing position and the cutter component is retracted to the initial position, the safety component is blocked on the moving path of the cutter component from the proximal end to the distal end through the biasing force.
Further preferably, the cutter assembly comprises a cutting part and a driving part, the cutting part is located above the driving part, the distal end of the driving part abuts against the proximal end of the staple pushing block, and the width of the driving part is smaller than or equal to that of the staple pushing block.
Further preferably, the position of the safety component, which abuts against the pin pushing block when the pin pushing block is located at the initial position, is close to the proximal end of the pin pushing block, and the safety component abuts against the side face of the cutter component after the pin pushing block is pushed by a preset distance.
Further preferably, the drive passage inboard is equipped with the joint arch, push away nail piece side be equipped with the protruding assorted joint recess of joint, work as when the push away nail piece is located initial position, the joint arch is located in the joint recess, just the joint arch can the drive division promotes deviate from when pushing away the nail piece the joint recess.
Further preferably, the safety assembly includes a rotating shaft, a biasing member rotatably coupled to the side wall of the drive channel via the rotating shaft, and a resilient member for providing a biasing force to the biasing member.
Further preferably, a first groove is formed in one side of the driving channel, the rotating shaft is rotatably disposed in the first groove, the biasing member is fixedly connected with the rotating shaft, a second groove is formed in one side of the driving channel and is opposite to the first groove, and when the safety assembly is blocked on a moving path of the cutter assembly from the proximal end to the distal end, one end of the biasing member is located in the second groove.
Further preferably, the elastic element is a coil spring, the elastic element is sleeved on the rotating shaft, and at least one end of the elastic element is fixed to the inner wall of the first groove.
Further preferably, the biasing member is in line contact when abutting against the side face of the staple pushing block, and the contact surface of the biasing member with the side face of the staple pushing block is coated with a smooth coating.
In addition, the application also provides an anastomat, which comprises the anastomat anti-secondary firing mechanism with the stable structure.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the safety assembly can realize that the cutter assembly is not blocked from advancing in the anastomosis process by matching with the nail pushing block, and can also block the cutter assembly from advancing after the cutter assembly returns, so that the effect of preventing the anastomat from secondary percussion is realized, and the structure is stable and reliable;
(2) in the process of further pushing the cutter, the safety component is abutted against the side face of the cutter component, so that the cutter component has a pressing force, the rigidity of the cutter component is improved, and the blade is not easy to bend in the process of cutting the cutter component to the far end;
(3) the arrangement of the clamping protrusions ensures that the nail pushing block can be kept at a specific position before driving action occurs, and the nail pushing block cannot be separated from the original position due to shaking of the anastomat in the processes of transportation and the like, so that the nail pushing block is always positioned at the position abutted by the matched safety assembly before the driving action occurs;
(4) the first recess is adapted to receive the safety assembly without interfering with the proper use of the drive channel, and when the safety assembly is blocked by the biasing force in the path of movement of the cutter assembly from the proximal end to the distal end, one end of the biasing member is just pressed into the second recess to form a keeper-type blocking structure that prevents further advancement of the cutter assembly 3.
Drawings
FIG. 1 is a schematic view of the overall external structure of the stapler of the present application;
FIG. 2 is a cross-sectional view of the position of a staple cartridge according to an embodiment of the present application;
FIG. 3 is a top view of the staple cartridge position;
FIG. 4 is a schematic structural view of a portion of the cutter assembly removed prior to actuation of anastomosis;
FIG. 5 is a schematic structural view of the cutting assembly with portions removed during driving;
FIG. 6 is an enlarged fragmentary view of FIG. 5;
FIG. 7 is a detail view of the safety assembly;
FIG. 8 is a schematic structural view of the cutter assembly returning to the initial driving position after completion of the anastomosis drive;
the drawings included in the specification of the present application include the following reference numerals:
the nail box comprises a nail box 1, a driving channel 10, a first groove 11, a second groove 12, a clamping protrusion 13, a nail pushing block 2, a clamping groove 21, a cutter assembly 3, a cutting part 31, a driving part 32, a safety assembly 4, a rotating shaft 41, a biasing part 42, an elastic part 43, a nail anvil 5, a connecting pipe 6, a driving handle 7 and a nail pushing connecting piece 8.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
Example 1:
as shown in fig. 1-8, the present embodiment provides a stapler with a stable structure and a secondary firing prevention mechanism and a stapler, specifically, the stapler is an intracavity stapler, and includes an execution end, a connection pipe 6 and a driving handle 7, which are connected in sequence, the execution end includes a staple cartridge 1, a staple anvil 5 and a driving assembly, the driving assembly specifically includes a staple pushing block 2, a cutter assembly 3 and a staple pushing link 8, wherein the staple pushing block 2 has a staple pushing inclined plane and a horizontal portion, the cutter assembly 3 includes a cutting portion 31 and a driving portion 32, the cutting portion 31 is located above the driving portion, the cutting portion 31 is specifically a cutting knife and is integrally formed with the driving portion 32, a distal end of the driving portion 32 abuts against a proximal end of the staple pushing block 2, and the staple pushing link 8 is connected with a proximal end of the cutter assembly 3.
In operation, the driving assembly is controlled by the driving handle 7 to realize the forward pushing of the staple pushing block 2 and the cutter assembly 3, so as to realize the cutting of the tissue and the release of the suturing staples, specifically, the staple pushing link 8 pushes the cutter assembly 3 to move towards the far end from the initial position, and the driving part 32 of the cutter assembly 3 pushes the staple pushing block 2 to move forwards synchronously. The cutting part 31 of the cutter component 3 can cut the tissue, and meanwhile, the inclined plane of the staple pushing block 2 can push the staples upwards, and the staples are deformed to finish suturing after abutting against the nail anvil 5.
As shown in FIG. 8, when the stapling process is completed, the staple pusher block 2 is left at the distal end, and the cutter assembly 3 is retracted to the initial position by the pulling of the staple pusher link 8. However, if the push broach moves towards the far end again, secondary damage to the sutured tissue can be caused, so a mechanism needs to be designed to prevent the secondary damage, and specifically, in the embodiment, the secondary firing prevention mechanism specifically comprises: the nail pushing device comprises a driving channel 10 positioned in a nail bin 1, wherein the driving channel 10 can be used for enabling a nail pushing block 2 and a cutter assembly 3 to slide forwards, the nail pushing block 2 is arranged in the driving channel 10, meanwhile, the cutter assembly 3 is at least partially arranged in the driving channel 10, and the far end of the cutter assembly 3 is abutted against the near end of the nail pushing block 2 and used for driving the nail pushing block 2 to move towards the far end;
as shown in fig. 2-4, in order to achieve the secondary firing prevention, in the embodiment, the component that provides the primary firing prevention function is the safety component 4, the safety component 4 is disposed at one side of the driving channel 10, and is biased to abut against the side surface of the staple pusher 2 when the staple pusher 2 and the cutter component 3 are both located at the initial position; when the staple pushing block 2 is positioned at the firing position and the cutter assembly 3 is retracted to the initial position, the safety assembly 4 is blocked on the moving path of the cutter assembly 3 from the proximal end to the distal end by a biasing force; because the safety component 4 is abutted against the side surface of the nail pushing block 2, when the nail pushing block 2 and the cutter component 3 are driven towards the far end, the advance of the nail pushing block 2 and the cutter component 3 is not hindered, and after the nail pushing block 2 and the cutter component 3 are moved to the far end to complete anastomosis, the nail pushing block 2 is kept at the far end, and when the cutter component 3 is withdrawn to the initial position, the side surface of the nail pushing block 2 for abutting against the safety component 4 does not exist, so the safety component 4 is changed in position under the action of the bias force, and is blocked on the moving path of the cutter component 3 from the near end to the far end. The safety assembly for achieving the secondary percussion prevention function is simple in structure and high in fault tolerance rate, the cutter assembly cannot be obstructed to advance in the anastomosis process through the matched nail pushing block, the cutter assembly can be prevented from advancing after returning, the effect of preventing secondary percussion of the anastomat is achieved, and the structure is stable and reliable.
Preferably, in the embodiment, the width of the driving portion 32 is smaller than or equal to the width of the staple pushing block 2, and in the process of advancing the staple pushing block 2, the safety component 4 abutting against the side surface of the staple pushing block 2 slides relatively to the cutter component 3, and since the width of the driving portion 32 is smaller than or equal to the width of the staple pushing block 2, the transition process is not hindered.
The safety component 4 is close to the near end of the nail pushing block 2 at the position where the nail pushing block 2 abuts when located at the initial position, the safety component 4 abuts against the side face of the cutter component 3 after the nail pushing block 2 is pushed by a preset distance, namely in the process of further pushing, the safety component 4 abuts against the side face of the cutter component 3, so that the cutter component 3 has a pressing force, the rigidity of the cutter component is improved, and a blade is not easy to bend when the cutter component 3 cuts towards the far end. As shown in fig. 5-6.
Further, in this embodiment, drive channel 10 inboard is equipped with joint arch 13, 2 sides of ejector pin piece are equipped with the protruding 13 assorted joint recess 21 of joint, when ejector pin piece 2 is located initial position, joint arch 13 is located joint recess 21, and joint arch 13 can deviate from joint recess 21 when drive division 32 promotes ejector pin piece 2, the protruding 13 setting of joint, guaranteed before taking place the drive action, ejector pin piece 2 can keep in specific position, can not take place to rock and break away from the normal position because of process anastomats such as transportation, thereby guaranteed before not taking place the drive that coincide, ejector pin piece 2 is located the position of cooperation insurance subassembly 4 butt all the time. In this embodiment, preferably, the locking protrusion 13 is made of an elastic polymer material, specifically, a biocompatible material.
It is further preferred that the safety assembly 4 includes a rotating shaft 41, a biasing member 42 and an elastic member 43, the biasing member 42 is rotatably coupled with respect to the sidewall of the driving passage 10 through the rotating shaft 41, the elastic member 43 is used to provide a biasing force to the biasing member 42, and the elastic member 43 is embodied as a coil spring or a leaf spring.
In one embodiment, as shown in fig. 7, the rotating shaft 41 can rotate relative to the sidewall of the driving channel 10, and the biasing member 42 is fixed to the rotating shaft 41, so that the biasing member 42 is rotatably connected to the sidewall of the driving channel 10 through the rotating shaft 41, in this case, the elastic member 43 is a coil spring, the elastic member 43 is sleeved on the rotating shaft 41 and at least one end of the elastic member 43 is fixed to the inner wall of the first groove 11, specifically, the first groove 11 is formed on one side of the driving channel 10, the rotating shaft 41 is rotatably arranged in the first groove 11, the biasing member 42 is fixedly connected to the rotating shaft 41, the second groove 12 is formed on one side of the driving channel 10 opposite to the first groove 11, when the safety assembly 4 is blocked on the moving path of the cutter assembly 3 from the proximal end to the distal end, one end of the biasing member 42 is located in the second groove 12, so that the safety assembly 4 can be accommodated by the first groove without affecting the normal use of the driving channel 10, and when the safety assembly 4 is blocked by the biasing force on the moving path of the cutter assembly 3 from the proximal end to the distal end, one end of the biasing member 42 is just pressed in the second groove 12, so that a latch-type blocking structure is formed, and the cutter assembly 3 is prevented from further advancing.
In another embodiment, the rotating shaft 41 may be fixed with respect to the sidewall of the driving passage 10, while the biasing member 42 rotates with respect to the rotating shaft 41, and an elastic member 43 is provided between the biasing member 42 and the rotating shaft 41 to achieve the biasing force of the biasing member 42. Preferably, the elastic member 43 is a plate spring.
In addition, in the present embodiment, in order to reduce the resistance of the biasing member 42 to the ejector pad 2, the biasing member 42 is in line contact when abutting against the side surface of the ejector pad 2, preferably, the surface of the biasing member 42 contacting the ejector pad 2 is an arc-shaped surface, and further, the surface of the biasing member 42 contacting the side surface of the ejector pad 2 may be coated with a smooth coating, preferably a biocompatible smooth coating.
As can be seen from the above-described embodiments,
(1) the safety assembly can realize that the cutter assembly is not blocked from advancing in the anastomosis process by matching with the nail pushing block, and can also block the cutter assembly from advancing after the cutter assembly returns, so that the effect of preventing the anastomat from secondary percussion is realized, and the structure is stable and reliable;
(2) in the process of further pushing the cutter, the safety component is abutted against the side face of the cutter component, so that the cutter component has a pressing force, the rigidity of the cutter component is improved, and the blade is not easy to bend in the process of cutting the cutter component to the far end;
(3) the arrangement of the clamping protrusions ensures that the nail pushing block can be kept at a specific position before driving action occurs, and the nail pushing block cannot be separated from the original position due to shaking of the anastomat in the processes of transportation and the like, so that the nail pushing block is always positioned at the position abutted by the matched safety assembly before the driving action occurs;
(4) the first recess is adapted to receive the safety assembly without interfering with the proper use of the drive channel, and when the safety assembly is blocked by the biasing force in the path of movement of the cutter assembly from the proximal end to the distal end, one end of the biasing member is just pressed into the second recess to form a keeper-type blocking structure that prevents further advancement of the cutter assembly 3.
As described above, the present invention has been explained fully in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. A practitioner of the related art can make various changes and implementations within a range allowed by the technical idea of the present invention.
Claims (9)
1. The utility model provides a secondary firing mechanism is prevented to anastomat with stable structure which characterized in that includes:
a drive channel (10) located within the cartridge (1);
the nail pushing block (2), the nail pushing block (2) is arranged in the driving channel (10);
the cutter assembly (3) is at least partially arranged in the driving channel (10), and the far end of the cutter assembly (3) is abutted against the near end of the nail pushing block (2) and is used for driving the nail pushing block (2) to move towards the far end;
the safety component (4) is arranged on one side of the driving channel (10), and when the nail pushing block (2) and the cutter component (3) are both located at the initial position, the safety component (4) is in biased abutting connection with the side face of the nail pushing block (2); when the staple pushing block (2) is located at a firing position and the cutter assembly (3) is retracted to an initial position, the safety assembly (4) is blocked on a moving path of the cutter assembly (3) from a proximal end to a distal end through a biasing force.
2. The stapler secondary firing prevention mechanism with the stable structure according to claim 1, wherein the cutter assembly (3) comprises a cutting portion (31) and a driving portion (32), the cutting portion (31) is located above the driving portion (32), a distal end of the driving portion (32) abuts against a proximal end of the staple pushing block (2), and a width of the driving portion (32) is smaller than or equal to a width of the staple pushing block (2).
3. The stapler secondary firing prevention mechanism with the stable structure according to claim 2, wherein the position where the safety component (4) abuts when the staple pushing block (2) is at the initial position is close to the proximal end of the staple pushing block (2), and the safety component (4) abuts against the side surface of the cutter component (3) after the staple pushing block (2) is pushed by a preset distance.
4. The secondary firing mechanism is prevented to anastomat with stable structure of claim 3, characterized in that, drive passageway (10) inboard is equipped with joint arch (13), ejector pin piece (2) side be equipped with joint arch (13) assorted joint recess (21), when ejector pin piece (2) are located initial position, joint arch (13) are located in joint recess (21), just joint arch (13) can be in drive division (32) promote when ejector pin piece (2) deviate from joint recess (21).
5. The anti-double firing mechanism for a stapler with a stable structure according to any one of claims 1-4, wherein the safety assembly (4) comprises a rotating shaft (41), a biasing member (42) and an elastic member (43), the biasing member (42) is rotatably connected with respect to the sidewall of the driving channel (10) through the rotating shaft (41), and the elastic member (43) is used for providing the biasing member (42) with a biasing force.
6. The stapler anti-secondary-firing mechanism with a stable structure according to claim 5, wherein a first groove (11) is formed on one side of the driving channel (10), the rotating shaft (41) is rotatably disposed in the first groove (11), the biasing member (42) is fixedly connected with the rotating shaft (41), a second groove (12) is formed on one side of the driving channel (10) and is opposite to the first groove (11), and when the safety assembly (4) is blocked on a moving path of the cutter assembly (3) from a proximal end to a distal end, one end of the biasing member (42) is located in the second groove (12).
7. The anti-secondary-firing mechanism for anastomat with stable structure as claimed in claim 6, wherein the elastic member (43) is a coil spring, the elastic member (43) is sleeved on the rotating shaft (41) and at least one end of the elastic member is fixed with the inner wall of the first groove (11).
8. The stapler anti-secondary-firing mechanism with the stable structure according to claim 5, wherein the biasing member (42) is in line contact when abutting against the side surface of the staple pushing block (2), and the contact surface of the biasing member (42) with the side surface of the staple pushing block (2) is coated with a smooth coating.
9. A stapler comprising a stapler anti-double-firing mechanism with a stabilizing structure according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890934.7A CN113440195A (en) | 2021-08-04 | 2021-08-04 | Anastomat secondary firing prevention mechanism with stable structure and anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890934.7A CN113440195A (en) | 2021-08-04 | 2021-08-04 | Anastomat secondary firing prevention mechanism with stable structure and anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113440195A true CN113440195A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110890934.7A Pending CN113440195A (en) | 2021-08-04 | 2021-08-04 | Anastomat secondary firing prevention mechanism with stable structure and anastomat |
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| CN (1) | CN113440195A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259269A (en) * | 2021-12-23 | 2022-04-01 | 苏州法兰克曼医疗器械有限公司 | Anastomat driving device with protection function and electric anastomat |
| WO2024011915A1 (en) * | 2022-07-13 | 2024-01-18 | 杭州迈瑞医疗科技有限公司 | Surgical instrument and staple cartridge assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204364049U (en) * | 2014-12-30 | 2015-06-03 | 苏州天臣国际医疗科技有限公司 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
| WO2019114495A1 (en) * | 2017-12-14 | 2019-06-20 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical stapler using same |
| CN213249400U (en) * | 2020-06-23 | 2021-05-25 | 北京派尔特医疗科技股份有限公司 | Stapler nail box and stapler |
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2021
- 2021-08-04 CN CN202110890934.7A patent/CN113440195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204364049U (en) * | 2014-12-30 | 2015-06-03 | 苏州天臣国际医疗科技有限公司 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
| WO2019114495A1 (en) * | 2017-12-14 | 2019-06-20 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical stapler using same |
| CN213249400U (en) * | 2020-06-23 | 2021-05-25 | 北京派尔特医疗科技股份有限公司 | Stapler nail box and stapler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259269A (en) * | 2021-12-23 | 2022-04-01 | 苏州法兰克曼医疗器械有限公司 | Anastomat driving device with protection function and electric anastomat |
| CN114259269B (en) * | 2021-12-23 | 2023-12-26 | 苏州法兰克曼医疗器械有限公司 | Anastomat driving device with protection function and electric anastomat |
| WO2024011915A1 (en) * | 2022-07-13 | 2024-01-18 | 杭州迈瑞医疗科技有限公司 | Surgical instrument and staple cartridge assembly |
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