Nail abutting seat assembly for anastomat

Abstract

The utility model discloses a nail abutting base assembly for an anastomat, and relates to the technical field of medical instruments, the nail abutting base assembly comprises a nail abutting base body and a nail abutting base cover body, a first clamping block and a second clamping block are arranged on the nail abutting base body, a side wing is formed on the nail abutting base cover body, a first clamping groove and a second clamping groove are formed in the side wing, the first clamping block is inserted into the first clamping groove, and the second clamping block is inserted into the second clamping groove. And the second clamping block is inserted into the second clamping groove. The nail abutting seat body and the nail abutting seat cover body are connected in a clamping mode, the first clamping block is inserted into the first clamping groove, the first clamping block is matched with the first clamping groove to limit the nail abutting seat body in the length direction of the nail abutting seat body, and the second clamping block is inserted into the second clamping groove to limit the nail abutting seat body in the length direction of the nail abutting seat body. And the second clamping block and the second clamping groove are matched to limit the nail abutting seat body in the thickness direction of the nail abutting seat body, so that the connection stability of the nail abutting seat body and the nail abutting seat cover body is improved, the installation error is reduced, and waste of raw materials is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an anastomat anvil seating assembly. BACKGROUND

[0002] The working principle of the anastomat is to use titanium nails to cut or anastomose human tissues, which is similar to a stapler, and it includes an openable or closable anvil seating and a nail bin.

[0003] The anastomat anvil seating assembly includes an anvil seating body and an anvil seating cover, a clamping block is installed on the anvil seating body, a clamping groove is formed on the anvil seating cover, the clamping block is inserted into the clamping groove to preliminarily connect the anvil seating body and the anvil seating cover, and then the anvil seating body and the cover are welded. However, when the clamping block is inserted into the clamping groove, there will be a gap between the clamping block and the clamping groove, which will cause installation errors after the preliminary connection of the anvil seating body and the anvil seating cover, and thus waste of raw materials. SUMMARY

[0004] In order to improve the problem that the preliminary connection between the anvil seating body and the anvil seating cover is prone to errors, the present application provides an anastomat anvil seating assembly.

[0005] The anastomat anvil seating assembly provided by the present application adopts the following technical scheme:

[0006] An anastomat anvil seating assembly includes an anvil seating body and an anvil seating cover, the anvil seating cover is arranged on the anvil seating body, one end of the anvil seating body is fixedly provided with a first clamping block and a second clamping block, one end of the anvil seating cover is formed with a side wing, the side wing is provided with a first clamping groove and a second clamping groove, the first clamping block is inserted into the first clamping groove and limits the anvil seating body along the length direction of the anvil seating body, and the second clamping block is inserted into the second clamping groove and limits the anvil seating body along the thickness direction of the anvil seating body.

[0007] By adopting the above technical scheme, the anvil seating body and the anvil seating cover are connected by clamping, the first clamping block is inserted into the first clamping groove, the first clamping block and the first clamping groove cooperate to limit the anvil seating body along the length direction of the anvil seating body, the second clamping block is inserted into the second clamping groove, and the second clamping block and the second clamping groove cooperate to limit the anvil seating body along the thickness direction of the anvil seating body, thereby improving the connection stability of the anvil seating body and the anvil seating cover, reducing installation errors, and reducing waste of raw materials.

[0008] Preferably, the first clamping block is formed with a first arc wall at both ends away from the anvil seating body, the first clamping block is formed with a first abutting wall at both ends close to the anvil seating body, and the two first abutting walls respectively abut the opposite two inner side walls of the first clamping groove of the anvil seating cover along the length direction of the anvil seating body.

[0009] By adopting the technical scheme, the first arc surface wall is convenient for the first clamping block of the nail abutting seat body to be inserted into the first clamping groove, and the two first abutting walls abut against the opposite two inner side walls of the first clamping groove along the length direction of the nail abutting seat body, so that the connection between the nail abutting seat body and the nail abutting seat cover is limited along the length direction of the nail abutting seat body.

[0010] Preferably, the two ends of the second clamping block away from the nail abutting seat body are formed with second arc surface walls, and the two ends of the second clamping block close to the nail abutting seat body are formed with second abutting walls, and the two second abutting walls respectively abut against the opposite two inner side walls of the second clamping groove of the nail abutting seat cover along the thickness direction of the nail abutting seat body.

[0011] By adopting the technical scheme, the second arc surface wall is convenient for the second clamping block of the nail abutting seat body to be inserted into the second clamping groove, and the two second abutting walls abut against the opposite two inner side walls of the second clamping groove along the thickness direction of the nail abutting seat body, so that the connection between the nail abutting seat body and the nail abutting seat cover is limited along the thickness direction of the nail abutting seat body.

[0012] Preferably, the first clamping block is symmetrically arranged on the two sides of the nail abutting seat body along the width direction of the nail abutting seat body, and the second clamping block is symmetrically arranged on the two sides of the nail abutting seat body along the width direction of the nail abutting seat body.

[0013] By adopting the technical scheme, the first clamping block and the second clamping block are symmetrically arranged on the two sides of the nail abutting seat body along the width direction, so that the stability of the connection between the nail abutting seat body and the nail abutting seat cover is improved.

[0014] Preferably, the first clamping block and the second clamping block are arranged in multiple along the length direction of the nail abutting seat body.

[0015] By adopting the technical scheme, the first clamping block and the second clamping block are arranged in multiple along the length direction of the nail abutting seat body, so that the stability of the connection between the nail abutting seat body and the nail abutting seat cover is improved.

[0016] Preferably, the first clamping block and the second clamping block are arranged in multiple along the length direction of the nail abutting seat body.

[0017] By adopting the technical scheme, the first clamping block and the second clamping block are arranged in multiple along the length direction of the nail abutting seat body, so that the stability of the connection between the nail abutting seat body and the nail abutting seat cover is improved.

[0018] Preferably, a limiting column is arranged on the nail abutting seat body, a limiting slot is arranged on the nail abutting seat cover, and the limiting column is inserted into the limiting slot.

[0019] By adopting the above technical solution, the limiting post is inserted into the limiting groove, which can limit the anvil cover and further reduce the installation error when the anvil body and the anvil cover are connected.

[0020] Preferably, the top of the limiting post is set as a sharp corner.

[0021] By adopting the above technical solution, the sharp corner at the top of the limiting post facilitates the insertion of the limiting post into the limiting groove, thereby improving the stability of the connection between the anvil body and the anvil cover.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The anvil body and the anvil cover are connected by a snap-fit ​​method. The first snap-fit ​​block is inserted into the first snap-fit ​​slot. The first snap-fit ​​block and the first snap-fit ​​slot cooperate to limit the anvil body along the length direction of the anvil body. The second snap-fit ​​block is inserted into the second snap-fit ​​slot. The second snap-fit ​​block and the second snap-fit ​​slot cooperate to limit the anvil body along the thickness direction of the anvil body. This improves the connection stability between the anvil body and the anvil cover, reduces installation errors, and reduces waste of raw materials.

[0024] 2. The first arc-shaped wall facilitates the insertion of the first locking block of the anvil body into the first locking groove. The two first abutting walls abut against the two opposite inner side walls of the first locking groove along the length direction of the anvil body, thereby limiting the connection between the anvil body and the anvil cover along the length direction of the anvil body.

[0025] 3. The second arc-shaped wall facilitates the insertion of the second locking block of the anvil body into the second locking groove. The two second abutting walls abut against the two opposite inner side walls of the second locking groove along the thickness direction of the anvil body, thereby limiting the connection between the anvil body and the anvil cover along the thickness direction of the anvil body. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the anvil assembly for the stapler in this application;

[0027] Figure 2 This is an exploded view of the anvil assembly for the stapler in this application.

[0028] Figure 3 For this application Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This is a reverse exploded view of the anvil assembly for the stapler in this application.

[0030] Reference numerals in the attached drawings: 1. Anvil seat body; 2. Anvil seat cover; 3. First locking block; 4. Second locking block; 5. First locking groove; 6. Second locking groove; 7. First arc-shaped wall; 8. Second arc-shaped wall; 9. First abutting wall; 10. Second abutting wall; 11. Limiting post; 12. Limiting groove; 13. Side wing. Detailed Implementation

[0031] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0032] This application discloses an anvil assembly for a stapler.

[0033] Reference Figure 1 An anvil assembly for an anastomosis device includes an anvil body 1 and an anvil cover 2, the anvil cover 2 being mounted on the anvil body 1.

[0034] Reference Figure 2 and Figure 3 The anvil body 1 is flat. One end of the anvil body 1 is integrally formed with four first locking blocks 3 and two locking blocks 4. The four first locking blocks 3 are symmetrically installed on both sides of the anvil body 1 along the width direction of the anvil. On the side of the first locking block 3 away from the anvil body 1, both ends along the length direction of the anvil are formed with a first arc-shaped wall 7. On the side of the first locking block 3 close to the anvil body 1, both ends along the length direction of the anvil are formed with a first clamping wall 9. The first clamping wall 9 is the connection surface between the anvil body 1 and the first arc-shaped wall 7.

[0035] Four second locking blocks 4 are symmetrically installed on both sides of the anvil body 1 along the width direction of the anvil. On the side of the second locking block 4 away from the anvil body 1, a second arc-shaped wall 8 is formed at both ends along the thickness direction of the anvil. On the side of the second locking block 4 close to the anvil body 1, a second clamping wall 10 is formed at both ends along the thickness direction of the anvil. The second clamping wall 10 is the connection surface between the anvil body 1 and the second arc-shaped wall 8.

[0036] The anvil cover 2 is a thin sheet. Side wings 13 are integrally formed on both sides of one end of the anvil cover 2 along its width direction, and the two side wings 13 extend away from the anvil cover 2. Each side wing 13 has two first slots 5 and two second slots 6, and the two first slots 5 and two second slots 6 on one side wing 13 are arranged alternately along the length direction of the anvil cover 2.

[0037] Four first locking blocks 3 are respectively inserted into four first locking slots 5. The first arc-shaped wall 7 of the first locking block 3 facilitates the insertion of the first locking block 3 into the first locking slot 5. When the first locking block 3 is fully inserted into the first locking slot 5, the two first abutting walls 9 on the first locking block 3 abut against the two opposite inner side walls of the anvil body 1 located in the first locking slot 5. The two first abutting walls 9 abut against the two opposite inner side walls of the anvil cover 2 located in the first locking slot 5 along the length direction of the anvil body 1, thereby limiting the anvil body 1 along the length direction of the anvil body 1.

[0038] Four second locking blocks 4 are respectively inserted into four second locking slots 6. The second arc-shaped wall 8 of the second locking block 4 facilitates the insertion of the second locking block 4 into the second locking slot 6. When the second locking block 4 is fully inserted into the second locking slot 6, the two second abutting walls 10 on the second locking block 4 abut against the two opposite inner side walls of the anvil body 1 located in the second locking slot 6. The two second abutting walls 10 abut against the two opposite inner side walls of the anvil cover 2 located in the second locking slot 6 along the thickness direction of the anvil body 1, thereby limiting the anvil body 1 along the length direction of the anvil body 1.

[0039] After the anvil body 1 and the anvil cover 2 are initially connected, laser welding is used to fix the anvil body 1 and the anvil cover 2.

[0040] Reference Figure 2 and Figure 4 Multiple limiting posts 11 are integrally formed on the bottom wall of the anvil body 1. The multiple limiting posts 11 are symmetrically installed on both sides of the bottom wall of the anvil body 1 along the width direction of the anvil body 1. The multiple limiting posts 11 are arranged at equal intervals along the length direction of the anvil body 1. The top of the limiting posts 11 is pointed.

[0041] Multiple limiting grooves 12 are formed on the top wall of the anvil cover 2 at the end away from the side wing 13. The multiple limiting grooves 12 are symmetrically installed on both sides of the anvil cover 2 along the width direction of the anvil and are equally spaced along the length direction of the anvil cover 2. When the anvil body 1 is connected to the anvil cover 2, multiple limiting posts 11 are inserted into the multiple limiting grooves 12, thereby improving the connection stability between the anvil body 1 and the anvil cover 2.

[0042] The implementation principle of an anvil assembly for a stapler in this application embodiment is as follows: when the anvil body 1 is connected to the anvil, the first locking block 3 is inserted into the first locking groove 5 and limits the anvil body 1 along the length direction of the anvil body 1. The second locking block 4 is inserted into the second locking groove 6 and limits the anvil body 1 along the thickness direction of the anvil body 1, so as to achieve a more stable connection between the anvil body 1 and the anvil cover 2.

[0043] The above are merely optional embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. An anvil assembly for a stapler, characterized in that: The device includes an anvil body (1) and an anvil cover (2). The anvil cover (2) is disposed on the anvil body (1). A first locking block (3) and a second locking block (4) are fixedly disposed at one end of the anvil body (1). A side wing (13) is formed at one end of the anvil cover (2). A first slot (5) and a second slot (6) are provided on the side wing (13). The first locking block (3) is inserted into the first slot (5) and limits the anvil body (1) along the length direction of the anvil body (1). The second locking block (4) is inserted into the second slot (6) and limits the anvil body (1) along the thickness direction of the anvil body (1).

2. The anvil assembly for a stapler according to claim 1, characterized in that: The first locking block (3) has a first arc-shaped wall (7) formed at both ends on the side away from the anvil body (1), and a first abutting wall (9) formed at both ends on the side of the first locking block (3) close to the anvil body (1). The two first abutting walls (9) abut against the two opposite inner sidewalls of the anvil cover (2) located in the first locking groove (5) along the length direction of the anvil body (1).

3. The anvil assembly for a stapler according to claim 1, characterized in that: The second locking block (4) has a second arc-shaped wall (8) formed at both ends on the side away from the anvil body (1), and a second abutting wall (10) formed at both ends on the side of the second locking block (4) close to the anvil body (1). The two second abutting walls (10) abut against the two opposite inner side walls of the anvil cover (2) located in the second locking groove (6) along the thickness direction of the anvil body (1).

4. The anvil assembly for a stapler according to claim 1, characterized in that: The first locking block (3) is symmetrically arranged on both sides of the anvil body (1) along the width direction of the anvil body (1), and the second locking block (4) is symmetrically arranged on both sides of the anvil body (1) along the width direction of the anvil body (1).

5. The anvil assembly for a stapler according to claim 1, characterized in that: The first card block (3) and the second card block (4) are both arranged in multiple ways along the length of the anvil body (1).

6. The anvil assembly for a stapler according to claim 5, characterized in that: Multiple first locking blocks (3) and second locking blocks (4) are arranged alternately along the length direction of the anchor body (1).

7. The anvil assembly for a stapler according to claim 1, characterized in that: The anvil body (1) is provided with a limiting post (11), and the anvil cover (2) is provided with a limiting groove (12), and the limiting post (11) is inserted into the limiting groove (12).

8. The anvil assembly for a stapler according to claim 7, characterized in that: The top of the limiting post (11) is set as a sharp corner.

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