Detachable accessory for anastomat

Abstract

The utility model discloses a detachable accessory for an anastomat. The device comprises a first shell, a nail abutting seat arranged on the inner wall of the first shell, a second shell detachably connected with the first shell, a fixing ring arranged on the first shell and the second shell in a sleeving mode, a guide rail arranged on the inner wall of the first shell, a guide rail groove formed in the nail abutting seat and used for being connected with the guide rail in an inserted mode, and an extension groove formed in one end of the guide rail groove. The clamping block is arranged at one end of the guide rail and used for being inserted into the extension groove; during assembly, the guide rail is horizontally pushed into the guide rail groove, so that the nail abutting seat is clamped with the first shell through the clamping block; during disassembly and assembly, the nail abutting seat is pressed to enable the clamping block to be separated from the extension groove, the nail abutting seat is horizontally pulled out along the guide rail groove, and the first shell is separated from the nail abutting seat; the guide rail and the guide rail groove are matched with each other, so that the anastomat dismounting difficulty is reduced, doctors can operate the anastomat conveniently, and medical resources are saved.

Description

Technical Field

[0001] The utility model relates to the field of medical auxiliary equipment, in particular to a detachable accessory for anastomosis apparatus. Background Art

[0002] Stapler, as an important instrument in modern medicine, plays a key role in surgery. It is mainly used to replace traditional manual suturing, significantly improving surgical efficiency and reducing the errors that may be caused by manual suturing. Stapler is widely used in various surgeries, especially in complex surgeries such as digestive tract reconstruction and organ resection. Its role is particularly important. The working principle of the stapler is based on mechanical mechanics and air pressure principles. Its structure mainly includes a shell, a stapler, an anvil and titanium staples. The main types of staplers include tubular staplers and linear staplers. Tubular staplers are mainly used for end-to-end anastomosis of the intestine, while linear staplers are suitable for side-to-side anastomosis of the intestine and suturing of skin and other soft tissues. The anvil is an important component in the stapler. Its function is to cooperate with the titanium staples to fix the tissue and ensure that the two tissue blocks can be tightly combined together, thereby achieving effective suturing. However, there are some problems in the design and application of the anvil in the prior art. Since the shell and the anvil are tightly combined and the connection structure may be too complicated, specific tools and techniques are required for effective disassembly. In some small medical institutions or grassroots hospitals, due to the lack of corresponding equipment and professional skills, it is difficult for medical staff to disassemble with appropriate tools, and disassembly and assembly of the anvil becomes very difficult, which increases the complexity and time cost of the operation and may also have potential impacts on the health and safety of the patient.

[0003] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable accessory for an anastomosis device which can effectively solve the above technical problems.

[0005] In order to achieve the purpose of this utility model, the following technical solutions are adopted:

[0006] A detachable assembly accessory for a stapler, characterized in that it comprises a first shell, a pin holder disposed on the inner wall of the first shell, a second shell detachably connected to the first shell, a fixing ring sleeved on the first shell and the second shell, a guide rail disposed on the inner wall of the first shell, a guide rail groove disposed on the pin holder and used for plugging with the guide rail, an extension groove disposed at one end of the guide rail groove, and a block disposed at one end of the guide rail and used for plugging with the extension groove;

[0007] During assembly, the guide rail is pushed horizontally into the guide rail groove, so that the anvil seat is engaged with the first shell through the clamping block;

[0008] During disassembly and assembly, the anvil seat is pressed to make the block disengage from the extension groove, and the anvil seat is pulled out horizontally along the guide rail groove, and the first shell is separated from the anvil seat.

[0009] Furthermore, the inner wall of the first shell is provided with at least two guide rails, and the two guide rails are symmetrically arranged on the inner wall of the first shell; wherein the cross-sectional shape of the inner wall of the first shell is arc-shaped.

[0010] Furthermore, at least two guide rail grooves are provided on the nail support, and the two guide rail grooves are symmetrically arranged on both sides of the nail support, one end of the clamping block is provided with a positioning groove, and any one of the extension grooves is provided with a positioning column for clamping with the positioning groove.

[0011] Furthermore, the cross-sectional shape of the positioning groove is circular.

[0012] Furthermore, the positioning column is hemispherical in shape.

[0013] Furthermore, the top end of the anvil seat is provided with a first curved surface and a second curved surface which are arranged opposite to each other, and the first curved surface and the second curved surface have the same structure.

[0014] Furthermore, a nail magazine is assembled in the second shell, and an assembly cover is wrapped around the nail magazine. The outer surface of the assembly cover is provided with a plurality of protrusions, and the inner wall of the second shell is provided with a plurality of grooves engaged with the protrusions; wherein, a connecting block is provided at one end of the nail magazine close to the protrusion, and the nail magazine is engaged with the second shell so that the connecting block is outside the second shell and the bottom surface of the connecting block is flush with the bottom surface of the second shell.

[0015] Furthermore, the nail magazine is provided with an extension plate with a limiting block, and the second shell is provided with a limiting groove for correspondingly engaging with the limiting block. The limiting groove and the limiting block are plugged in so that the extension plate covers the second shell and is flush with one side of the second shell.

[0016] Furthermore, a plurality of abutment grooves are provided at one end of the extension plate away from the limiting block, and a plurality of abutment blocks for abutting against the plurality of abutment grooves in one-to-one correspondence are provided on the second shell, and the cross-sectional shape of any abutment block is a trapezoid.

[0017] Furthermore, a fixing block is provided at one end of the second shell away from the groove, and a connecting groove for clamping with the first shell is provided at one end of the fixing block.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the utility model reduces the difficulty of disassembling and assembling the stapler by cooperating with the guide rail and the guide rail groove, facilitates the doctor's operation and saves medical resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a cross-sectional view of the utility model.

[0022] Figure 3 This is an exploded view of the utility model

[0023] Figure 4 It is a structural schematic diagram of an anvil.

[0024] Figure 5 It is a structural schematic diagram of the first shell.

[0025] Figure 6 It is a structural diagram of a nail magazine.

[0026] Figure 7 It is a structural schematic diagram of the second shell.

[0027] In the figure: 1. first shell, 2. nail support, 3. second shell, 4. nail magazine, 5. fixing ring, 6. guide rail, 7. guide rail groove, 8. extension groove, 9. block, 10. positioning groove, 11. positioning column, 12. first arc surface, 13. second arc surface, 14. assembly cover, 15. protrusion, 16. groove, 17. limit block, 18. limit groove, 19. abutment groove, 20. abutment block, 21. connecting groove, 22. extension plate, 23. connecting block, 24. fixing block. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are partial embodiments of the utility model, rather than all embodiments.

[0029] In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present utility model. When a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a centered component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] like Figures 1 to 7 As shown, a detachable accessory for an anastomosis device includes a first shell 1, a dowel seat 2 arranged on the inner wall of the first shell 1, a second shell 3 detachably connected to the first shell 1, a fixing ring 5 sleeved on the first shell 1 and the second shell 3, a guide rail 6 arranged on the inner wall of the first shell 1, a guide rail groove 7 arranged on the dowel seat 2 and used for plugging with the guide rail 6, an extension groove 8 arranged at one end of the guide rail groove 7, and a clamping block 9 arranged at one end of the guide rail 6 and used for plugging with the extension groove 8; during assembly, the guide rail 6 is horizontally pushed into the guide rail groove 7, so that the dowel seat 2 and the first shell 1 are clamped by the clamping block 9; during disassembly, the dowel seat 2 is pressed to make the clamping block 9 disengage from the extension groove 8, and the dowel seat 2 is horizontally pulled out along the guide rail groove 7, and the first shell 1 is separated from the dowel seat 2.

[0031] Specifically, Figures 1 to 7As shown, the inner wall of the first shell 1 is provided with at least two guide rails 6, and the two guide rails 6 are symmetrically arranged on the inner wall of the first shell 1, one end of any block 9 is provided with a positioning groove 10, at least two guide rail grooves 7 are provided on the nail seat 2, and the two guide rail grooves 7 are symmetrically arranged on both sides of the nail seat 2, and any extension groove 8 is provided with a positioning column 11 for engaging with the positioning groove 10; wherein, the cross-sectional shape of the inner wall of the first shell 1 is arc-shaped, and the top end of the nail seat 2 is provided with a first arc surface 12 and a second arc surface 13 which are arranged oppositely, and the first arc surface 12 and the second arc surface 13 have the same structure; in this embodiment, one end of any guide rail 6 is provided, the end of the nail seat 2 close to the positioning groove 10 is the rear end, and the end of the nail seat 2 away from the positioning groove 10 is the front end, and the nail seat 2 is provided with a first arc surface 12 and a second arc surface 13 One side is the top surface. In actual assembly, the top surface of the dowel seat 2 faces upward, and the guide rail 6 is plugged into the guide rail groove 7 so that the dowel seat 2 is horizontally plugged into the first shell 1 from the rear end until the extension groove 8 is correspondingly engaged with the block 9, and the positioning column 11 is correspondingly engaged with the positioning groove 10; through the coordinated setting of the guide rail groove 7 and the guide rail 6, the connection position of the dowel seat 2 and the first shell 1 is limited, which is convenient for users to assemble the dowel seat 2 and the first shell 1. Through the corresponding engagement of the extension groove 8 and the block 9, the connection structure of the dowel seat 2 and the first shell 1 can be further limited, which is convenient for the dowel seat 2 to be plugged into the first shell 1. Through the engagement of the positioning column 11 and the positioning groove 10, the connection structure of the dowel seat 2 and the first shell 1 can be fixed, which effectively prevents the dowel seat 2 from falling off from the inside of the first shell 1, and strengthens the connection structure during assembly.

[0032] It is worth noting that Figures 1 to 7 As shown, the cross-sectional shape of the positioning groove 10 is circular, and the shape of the positioning column 11 is hemispherical. In the present embodiment, the two extension grooves 8 are symmetrically arranged at one end of the anvil seat 2, and a pressure block is fixedly provided at one end of any one of the extension grooves 8. Two relatively arranged pressure blocks are provided between the two extension grooves 8. When the user needs to disassemble and replace the anvil seat 2, the extension groove 8 is pushed forward by pressing the two pressure blocks. Since the positioning column 11 is hemispherical, the user can conveniently push the extension groove 8 to disengage the positioning column 11 from the positioning groove 10, thereby completing the disassembly of the anvil seat 2 and the first shell 1, and effectively reducing the disassembly difficulty of the present embodiment.

[0033] like Figures 1 to 7As shown, a nail magazine 4 is assembled in the second shell 3, and an assembly cover 14 is wrapped around the nail magazine 4. The outer surface of the assembly cover 14 is provided with a plurality of protrusions 15, and the inner wall of the second shell 3 is provided with a plurality of grooves 16 that are engaged with the protrusions 15; wherein, a connecting block 23 is provided at one end of the nail magazine 4 close to the protrusions 16, and the nail magazine 4 is engaged with the second shell 3 so that the connecting block 23 is outside the second shell 3, and the bottom surface of the connecting block 23 is flush with the bottom surface of the second shell 3; in this embodiment, an assembly opening is provided at the top of the second shell 3, and the nail magazine 4 is used to assemble titanium nails needed in surgery. The second shell 3 is engaged with the first shell 1 so that the nail support 2 and the nail magazine 4 cooperate with each other, so that medical staff can use the titanium nails to suture the wound through the nail support 2. Furthermore, the height of one end of the connecting block 23 is higher than the height of the nail magazine 4, the end of the connecting block 23 close to the nail magazine 4 is the inner end, and the end of the connecting block 23 away from the nail magazine 4 is the outer end. There is a buckle, and a bayonet is provided on the nail magazine 4. The assembly cover 14 is buckled on the nail magazine 4 through the mutual buckling of the buckle and the bayonet, and at least two protrusions 15 are respectively provided on the left side and the right side of the outer surface of the assembly cover 14, and all the protrusions 15 on the outer surface of the assembly cover 14 are inclined surfaces on all sides, and at least two grooves 16 are respectively provided on the left side and the right side of the inner wall of the second shell 3, and the two grooves 15 are provided near the assembly opening of the second shell 3. The protrusions 15 and the grooves 16 cooperate and buckle with each other, so that the nail magazine 4 and the second shell 3 are clamped through the assembly cover 14. In the actual assembly process, the inner end of the connecting block 23 is correspondingly abutted with one end of the second shell 3, and the nail magazine 4 is vertically inserted into the second shell 3 downward, and the protrusions 15 slide into the corresponding grooves 16 to complete the clamping of the second shell 3 and the nail magazine 4. In addition, the nail magazine 4 can be removed from the second shell 3 by lifting the connecting block 23, which is convenient for users to disassemble and assemble the second shell 3 and the nail magazine 4.

[0034] It is worth noting that, in order to further optimize this embodiment, Figures 1 to 7As shown, the nail magazine 4 is provided with an extension plate 22 with a limiting block 17, and the second shell 3 is provided with a limiting groove 18 for one-to-one engagement with the limiting block 17. The limiting groove 18 is plugged with the limiting block 17 so that the extension plate 22 covers the second shell 3 and is flush with one side of the second shell 3. The end of the nail magazine 4 away from the protrusion 15 is provided with a plurality of abutment grooves 19, and the second shell 3 is provided with an abutment block 20 for abutting with the plurality of abutment grooves 19 one-to-one. The cross-sectional shape of the abutment block 20 is an inverted trapezoid. In this embodiment, the extension plate 22 and the nail magazine 22 are integrated. The nail magazine 22 has a structure in which two extension plates 22 with the same structure are provided. The two extension plates 22 are symmetrically arranged at the two ends of the nail magazine 22, and the abutment grooves 19 are arranged on the extension plates 22 and at least four are arranged on the extension plates 22. The four abutment grooves 19 are evenly distributed on the extension plates 22. The limit block 17 is rectangular in shape. In actual assembly, by connecting the abutment grooves 19 with the abutment blocks 20 and plugging the limit blocks 17 with the limit grooves 18, the connection structure between the nail magazine 4 and the second shell 3 is conveniently reinforced, and the nail magazine 4 is effectively prevented from being laterally separated from the second shell 3 during surgery.

[0035] like Figures 1 to 7 As shown, a fixing block 17 is provided at one end of the second shell 3 away from the groove 16, and a connecting groove 21 for snapping with the first shell 1 is provided at one end of the fixing block 17. In this embodiment, a snap-on block is provided at one end of the first shell 1, and the snap-on block is snapped with the connecting groove 21, which facilitates the snap-on connection between the first shell 1 and the second shell 3, and can also limit the connection position between the first shell 1 and the second shell 3, which is convenient for users to disassemble and assemble.

[0036] Working principle: During assembly, the anvil seat 2 is pushed horizontally into the first housing 1 along the guide groove 7, and the first housing 1 and the anvil seat 2 are connected by the clamping block 9; during disassembly, the extension groove 8 is pressed and the anvil seat 2 is pulled out horizontally along the guide groove 7, so that the first housing 1 and the anvil seat 2 are separated.

[0037] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0038] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A detachable accessory for a stapler, characterized in that: The invention comprises a first shell (1), a nail support (2) arranged on the inner wall of the first shell (1), a second shell (3) detachably connected to the first shell (1), a fixing ring (5) sleeved on the first shell (1) and the second shell (3), a guide rail (6) arranged on the inner wall of the first shell (1), a guide rail groove (7) arranged on the nail support (2) and used for plugging with the guide rail (6), an extension groove (8) arranged at one end of the guide rail groove (7), and a clamping block (9) arranged at one end of the guide rail (6) and used for plugging with the extension groove (8); During assembly, the guide rail (6) is pushed horizontally into the guide rail groove (7), so that the anvil seat (2) and the first housing (1) are engaged with each other via the engaging block (9); During disassembly and assembly, the anvil seat (2) is pressed to cause the clamping block (9) to disengage from the extension groove (8), and the anvil seat (2) is pulled out horizontally along the guide groove (7), so that the first shell (1) is separated from the anvil seat (2).

2. A detachable accessory for a stapler according to claim 1, characterized in that: The inner wall of the first shell (1) is provided with at least two guide rails (6), and the two guide rails (6) are symmetrically arranged on the inner wall of the first shell (1); wherein the cross-sectional shape of the inner wall of the first shell (1) is arc-shaped.

3. A detachable accessory for a stapler according to claim 2, characterized in that: At least two guide rail grooves (7) are provided on the anvil seat (2), and the two guide rail grooves (7) are symmetrically arranged on both sides of the anvil seat (2); one end of the clamping block (9) is provided with a positioning groove (10), and any one of the extension grooves (8) is provided with a positioning column (11) for clamping with the positioning groove (10).

4. A detachable accessory for a stapler according to claim 3, characterized in that: The cross-sectional shape of the positioning groove (10) is circular.

5. A detachable accessory for a stapler according to claim 4, characterized in that: The positioning column (11) is in the shape of a hemisphere.

6. A detachable accessory for a stapler according to claim 5, characterized in that: The top end of the anvil seat (2) is provided with a first curved surface (12) and a second curved surface (13) which are arranged opposite to each other, and the first curved surface (12) and the second curved surface (13) have the same structure.

7. The detachable accessory for a stapler according to claim 1, characterized in that: A nail magazine (4) is assembled in the second shell (3), and an assembly cover (14) is wrapped around the nail magazine (4). The outer surface of the assembly cover (14) is provided with a plurality of protrusions (15), and the inner wall of the second shell (3) is provided with a plurality of grooves (16) engaged with the protrusions (15); wherein a connecting block (23) is provided at one end of the nail magazine (4) close to the protrusion (15), and the nail magazine (4) is engaged with the second shell (3) so that the connecting block (23) is located outside the second shell (3) and the bottom surface of the connecting block (23) is flush with the bottom surface of the second shell (3).

8. A detachable accessory for a stapler according to claim 7, characterized in that: The nail magazine (4) is provided with an extension plate (22) with a limit block (17), and the second shell (3) is provided with a limit groove (18) for correspondingly engaging with the limit block (17), and the limit groove (18) and the limit block (17) are plugged into each other so that the extension plate (22) covers the second shell (3) and is flush with one side of the second shell (3).

9. A detachable accessory for a stapler according to claim 8, characterized in that: A plurality of abutment grooves (19) are provided at one end of the extension plate (22) away from the limiting block (17), and a plurality of abutment blocks (20) for abutting against the plurality of abutment grooves (19) in a one-to-one correspondence are provided on the second shell (3), and the cross-sectional shape of any abutment block (20) is a trapezoid.

10. A detachable accessory for a stapler according to claim 9, characterized in that: A fixing block (24) is provided at one end of the second shell (3) away from the groove (16), and a connecting groove (21) for clamping with the first shell (1) is provided at one end of the fixing block (24).

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