Nail box base assembly for anastomat

Abstract

The utility model discloses a nail box base assembly for an anastomat, and relates to the technical field of medical instruments, the nail box base assembly comprises a fixing assembly, an excitation assembly is arranged at one end of the fixing assembly, a nail box assembly is arranged at the top of the fixing assembly, the nail box assembly comprises a nail box, a rectangular groove is formed in the end of the nail box, and a nail pushing piece is fixedly installed in the rectangular groove; the excitation assembly comprises a connecting pipe, a hollow cylinder is arranged in the connecting pipe, a piston is connected in the hollow cylinder in a sleeving manner, and the other end of the piston is fixedly connected with the extrusion plate, so that the piston moves towards one end at a high speed in the hollow cylinder, and the extrusion plate moves towards one side at a high speed; according to the nail box, the extrusion plate is arranged in the nail box, so that the extrusion plate is inserted into the rectangular groove in the nail box at a high speed, instant excitation of the suturing nails is completed, suturing of the suturing nails can be completed instantly after the suturing nails are excited at a high speed, and therefore the suturing nails are prevented from being blocked in the percussion process, and complications such as anastomotic fistula caused by uneven stress of the suturing nails are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a cartridge base assembly for an anastomat. BACKGROUND

[0002] Most anastomotic devices are triggered by a handle, for example, a common manual anastomat, the handle is usually composed of two parts, similar to the grip of a forceps, when the doctor holds the handle, the internal mechanical transmission structure starts to work, this transmission structure includes connecting rods, gears or sliding blocks and other components, in a linear anastomat, holding the handle will make the connecting rod push the pusher in the cartridge, which moves forward under the action of the connecting rod, pushing the suturing needle out of the cartridge, the force exerted by the handle is gradually amplified and transmitted through the transmission components.

[0003] The existing Chinese patent publication No. CN207506602U discloses an anastomat assembly, which has the following disadvantages in actual use:

[0004] The device only improves the stability of clamping by increasing the clamping area, thereby reducing the occurrence of anastomotic fistula complications, generally, the force exerted by the doctor's hand is relatively small, and a sufficient force needs to be exerted on the handle to push the suturing needle, in this process, the force is evenly distributed on each suturing needle, ensuring that they can smoothly penetrate the tissue, generally, the doctor needs to press down instantaneously when operating the handle, and cannot exert pressure twice, which is easy to cause uneven force on the suturing needle, resulting in anastomotic fistula and other complications, therefore, the present application provides a cartridge base assembly for an anastomat. Content of the utility model

[0005] In order to improve the problem of uneven force on the suturing needle caused by insufficient trigger force during the use of the anastomat, the present application provides a cartridge base assembly for an anastomat.

[0006] The cartridge base assembly for an anastomat provided by the present application adopts the following technical solution:

[0007] A cartridge base assembly for an anastomat, comprising a fixed assembly and an anvil, one end of the fixed assembly is provided with a trigger assembly, the top of the fixed assembly is provided with a cartridge assembly, the cartridge assembly comprises a cartridge box, a rectangular groove is formed in the end of the cartridge box, a pusher is fixedly installed in the rectangular groove, a fixed block is fixedly connected to the top of the pusher at equal intervals, a plurality of rectangular holes are formed in the top of the cartridge box, a suturing needle with its bottom surface abutting against the top of the fixed block is clamped and connected in the rectangular hole, an extrusion plate is inserted into the rectangular groove, the trigger assembly comprises a connecting pipe movably penetrating the extrusion plate, a hollow cylinder is formed in the inside of the connecting pipe, a piston is sleeved in the inside of the hollow cylinder, a connecting column is fixedly connected to one end of the piston, a push block is fixedly connected to one end of the connecting column, and the other end of the piston is fixedly connected with one end of the extrusion plate.

[0008] By adopting the technical scheme, the hollow cylinder is injected with air flow to drive the piston to move to one end quickly, so as to drive the extrusion plate to be inserted into the rectangular slot in the nail magazine box at high speed, and drive the push nail and the fixed block and the suturing nail to be pushed out at high speed, so that the suturing nail is inserted into the tissue and the suturing is quickly completed after the insertion.

[0009] Preferably, the end of the nail magazine box is provided with a positioning block A, and an arc-shaped slot is formed on the side of the end of the nail magazine box close to the positioning block A, and the end of the nail magazine box away from the positioning block A is symmetrically provided with a positioning block B.

[0010] By adopting the technical scheme, the positioning block A and the arc-shaped slot can quickly complete the assembly of the nail magazine box, and the positioning block B can play an auxiliary positioning role.

[0011] Preferably, a group of sliding grooves are symmetrically formed in the bottom of the nail magazine box.

[0012] By adopting the technical scheme, the sliding grooves can play an auxiliary installation and auxiliary positioning role.

[0013] Preferably, the fixing assembly comprises a base abutting against the bottom surface of the nail magazine box, and a limiting block A for clamping connection with the sliding groove is symmetrically formed on the top of the base.

[0014] By adopting the technical scheme, the clamping connection of the limiting block and the sliding groove can play an auxiliary installation and auxiliary positioning role.

[0015] Preferably, a limiting block B fixedly connected with the end of the connecting pipe is fixedly connected at one end of the base, a positioning slot A for clamping connection with the positioning block B is formed on one side of the inner side surface of the limiting block B, and a rectangular limiting hole is formed in the inside of the limiting block B for plug-in connection with the extrusion plate.

[0016] By adopting the technical scheme, the clamping connection of the positioning slot A for the positioning block B can play an auxiliary installation and auxiliary positioning role, and the formation of the rectangular limiting hole can play a limiting role.

[0017] Preferably, a positioning slot B for clamping connection with the positioning block A is formed on one side of the inner side surface of the end of the base away from the limiting block B.

[0018] By adopting the technical scheme, the clamping connection of the positioning slot B and the positioning block A can play an auxiliary installation and auxiliary positioning role.

[0019] Preferably, a positioning slot C is formed on one side of the inner side surface of the end of the base away from the limiting block B, a limiting block C for clamping the arc-shaped slot is fixedly connected on one side of the positioning slot C, a deformation block is fixedly connected on one side of the limiting block C, and a pushing block is fixedly connected on the outer side surface of the deformation block and slidably fitted on the side surface of the base.

[0020] By adopting the technical scheme, the clamping connection of the limiting block and the arc-shaped slot can play a fixing role, and the installation of the poking block can play a role of facilitating operation.

[0021] Preferably, an injection valve in communication with the hollow cylinder is fixedly installed on the outer side of the connecting pipe close to one end of the hollow cylinder.

[0022] By adopting the technical scheme, the installation of the injection valve can play a role of air intake and air outlet.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By injecting compressed air into one end of the hollow cylinder in the connecting pipe, the piston is driven to move at high speed in the hollow cylinder to one end, so that the pressing plate moves at high speed to one side, thereby the pressing plate is inserted at high speed into the rectangular slot in the nail cartridge box, completing the instant activation of the suturing nail, thereby achieving the role of saving labor. At the same time, after the high-speed activation of the suturing nail, the suturing of the suturing nail can be completed instantaneously, thereby preventing the occurrence of jamming of the suturing nail during the firing process, avoiding uneven stress on the suturing nail, and preventing the occurrence of complications such as anastomotic fistula.

[0025] 2. By clamping the limiting block on the base, clamping the positioning block B on the positioning groove A, clamping the positioning block A on the positioning groove B, and clamping the arc-shaped slot on the limiting block, the nail cartridge box can be quickly installed on the base, thereby completing the quick replacement of the nail cartridge box. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present application file;

[0027] Figure 2 It is a schematic diagram of the base structure of the present application file;

[0028] Figure 3 It is a schematic diagram of the cross-sectional structure of the nail cartridge box of the present application file;

[0029] Figure 4 It is a schematic diagram of the top view structure of the nail cartridge box of the present application file;

[0030] Figure 5 It is a schematic diagram of the local structure of the present application file;

[0031] Figure 6 It is a schematic diagram of the cross-sectional structure of the activation assembly of the present application file;

[0032] Figure 7 It is a schematic diagram of the local structure of the present application file;

[0033] Figure 8The structure diagram of the suture nail of the present application.

[0034] Reference signs: 1, fixed assembly; 101, base; 102, limiting block A; 103, limiting block B; 104, positioning groove A; 105, rectangular limiting hole; 106, positioning groove B; 107, positioning groove C; 108, deformation block; 109, limiting block C; 110, push block;

[0035] 2, excitation assembly; 201, connecting pipe; 202, hollow cylinder; 203, piston; 204, connecting column; 205, push block; 206, injection valve;

[0036] 3, nail magazine assembly; 301, nail magazine box; 3010, rectangular hole; 302, rectangular groove; 303, positioning block A; 304, positioning block B; 305, nail pushing piece; 306, fixed block; 307, extrusion plate; 308, sliding groove; 309, arc-shaped groove; 310, suture nail;

[0037] 4, anvil. DETAILED DESCRIPTION

[0038] The following will be described in detail in combination with the accompanying drawings. Figures 1-8 The present application will be further described in detail.

[0039] The "up, down, left, right" perspective of the device is based on the direction of the arrow in the figure Figure 1 The direction of the figure is the reference

[0040] The embodiment of the present application discloses a nail magazine base assembly for an anastomat.

[0041] Reference Figures 3-6As shown, an anastomat nail magazine base assembly, including fixed assembly 1 and nail anvil 4, the bottom of nail anvil 4 is provided with a groove, one end of fixed assembly 1 is provided with excitation assembly 2, the top of fixed assembly 1 is provided with nail magazine assembly 3, nail magazine assembly 3 includes nail magazine box 301, the end of nail magazine box 301 is provided with a transverse rectangular groove 302, a push nail piece 305 with the same size as the rectangular groove 302 is fixedly installed in the rectangular groove 302, a recess is formed in the bottom of the push nail piece 305, a fixed block 306 with a horizontal top surface is fixedly installed at equal intervals on the top of the push nail piece 305, a plurality of rectangular holes 3010 for inserting the fixed block 306 are formed in the top of the nail magazine box 301, a suture nail 310 is connected with the rectangular hole 3010, the bottom surface of the suture nail 310 abuts against the top of the fixed block 306, a one end beveled extrusion plate 307 is inserted into the rectangular groove 302, the top surface of the extrusion plate 307 is in sliding connection with the bottom surface of the push nail piece 305, the bottom surface of the extrusion plate 307 is in sliding connection with the nail magazine box 301, the excitation assembly 2 includes a connecting pipe 201, the connecting pipe 201 is movably penetrated by the extrusion plate 307, a hollow cylinder 202 for sleeving a piston 203 is formed in the inside of the connecting pipe 201, a connecting column 204 movably penetrated by the hollow cylinder 202 is fixedly connected to one end of the piston 203, a sealing ring is arranged at the connection between the connecting column 204 and the connecting pipe 201, a push block 205 is fixedly connected to the end of the connecting column 204 away from the piston 203, the end of the piston 203 away from the connecting column 204 is fixedly connected to one end of the extrusion plate 307, an injection valve 206 is fixedly installed on the outside of the connecting pipe 201 close to the end of the hollow cylinder 202, the injection valve 206 is in communication with the hollow cylinder 202.

[0042] Firstly, the human tissue to be sutured is placed between the nail magazine box 301 and the nail anvil 4, then a compressed air cylinder is connected to the injection valve 206, compressed air is injected into one end of the hollow cylinder 202 in the connecting pipe 201, thereby driving the piston 203 inside the hollow cylinder 202 to move at high speed to one end, thereby driving the connecting column 204 to be inserted into the connecting pipe 201, so that the extrusion plate 307 moves at high speed to one side, thereby making the extrusion plate 307 instantaneously inserted into the rectangular groove 302 in the nail magazine box 301, at this time, the beveled end of the extrusion plate 307 quickly lifts the push nail piece 305 to move upward, thereby driving the fixed block 306 and the suture nail 310 to move upward at high speed, so that the suture nail 310 inserted into the human tissue at the rectangular hole 3010 is deformed under the action of the groove at the bottom of the nail anvil 4, thereby completing the suturing of the human tissue.

[0043] (need to explain, hollow cylinder 202 is installed with spring and clamp structure, when the tissue is placed between the nail magazine box 301 and the anvil 4, by pressing or pushing the relevant operating parts, the spring is compressed, the clamp is opened, the tissue is in place, the operating parts are released, the spring restores to the original state, the clamp is closed, so as to realize the clamping of the tissue).

[0044] Referring to Figure 5 - Figure 8 As shown, the end of the nail magazine box 301 away from the pressing plate 307 is fixedly connected with a positioning block A303 with arc side surface, and an arc-shaped slot 309 for positioning is arranged on the side close to the positioning block A303. The end of the nail magazine box 301 away from the positioning block A303 is fixedly connected with a positioning block B304 with arc end surface in symmetry. A group of slide grooves 308 for limiting are arranged on the bottom of the nail magazine box 301 in symmetry. The fixing assembly 1 comprises a base 101. The bottom of the base 101 abuts against the bottom surface of the nail magazine box 301. A limiting block A102 is arranged on the top of the base 101 in symmetry. The limiting block A102 is connected with the slide groove 308 in a clamping manner. A limiting block B103 is fixedly connected to one end of the base 101. The limiting block B103 is fixedly connected with the end of the connecting pipe 201. A positioning slot A104 is arranged on one side of the inner side surface of the limiting block B103. The positioning slot A104 is connected with the positioning block B304 in a clamping manner. A rectangular limiting hole 105 is arranged in the limiting block B103. The rectangular limiting hole 105 is inserted with the pressing plate 307.

[0045] When the nail magazine box 301 needs to be replaced, the nail magazine box 301 to be replaced is disassembled from the base 101. Then the pushing block 205 and the connecting column 204 are pulled, so as to drive the piston 203 and the pressing plate 307 to move to one side, so that one end of the pressing plate 307 is separated from the nail magazine box 301. Then a group of new nail magazine boxes 301 are taken out and placed on one side of the base 101. The nail magazine box 301 is horizontally pushed, so that the slide groove 308 on the bottom of the nail magazine box 301 is connected with the limiting block on the base 101 in a clamping manner. At the same time, the positioning block B304 at one end of the nail magazine box 301 is connected with the positioning slot A104 on the base 101 in a clamping manner. When the outer side surface of the nail magazine box 301 is flush with the outer side surface of the base 101, the rectangular slot 302 at one end of the nail magazine box 301 is aligned with the rectangular limiting hole 105 at one end of the limiting block B103.

[0046] Referring to Figure 1 - Figure 4As shown, the bottom base 101 is provided with a positioning groove B106 on the inner side of the end away from the limiting block B103, the positioning groove B106 is connected with the limiting block A303, the bottom base 101 is provided with a positioning groove C107 on the side close to the positioning groove B106, the positioning groove C107 is fixedly connected with a deformation block 108 on one side, the deformation block 108 is in M shape and can be deformed inwardly after being extruded, the deformation block 108 is fixedly connected with a limiting block C109 on the side close to the limiting block A102, the limiting block C109 is connected with the arc-shaped groove 309, the outer side of the deformation block 108 is fixedly connected with a pushing block 110, the pushing block 110 is slidingly fitted on the side surface of the bottom base 101. (It should be noted that the deformation block 108, the limiting block C109 and the pushing block 110 are all made of moderate plastic and can be deformed inwardly after being extruded).

[0047] When the nail magazine box 301 is horizontally installed on the bottom base 101, the limiting block A303 on one end of the nail magazine box 301 is horizontally connected with the positioning groove B106 on the bottom base 101, at the same time, with the continuous horizontal pushing of the nail magazine box 301, the arc-shaped groove 309 on one end of the nail magazine box 301 will first extrude the limiting block C109, so that the deformation block 108 is deformed inwardly, after the outer side of the nail magazine box 301 is flush with the outer side of the bottom base 101, the arc-shaped groove 309 is connected with the limiting block C109, so that the nail magazine box 301 can be fixed on the bottom base 101.

[0048] The implementation principle of the staple cartridge base assembly of the anastomat is as follows: first, the human tissue to be sutured is placed between the staple cartridge box 301 and the anvil 4, then compressed air is injected into one end of the hollow cylinder 202 in the connecting pipe 201, so that the internal piston 203 moves at high speed in the hollow cylinder 202, so that the connecting column 204 is inserted into the connecting pipe 201, so that the extrusion plate 307 moves at high speed to one side, so that the extrusion plate 307 is inserted into the rectangular groove 302 in the staple cartridge box 301 at a moment, at this time, the inclined surface at one end of the extrusion plate 307 quickly lifts the pusher 305 to move upward, so that the fixed block 306 and the suture staple 310 are pushed upward at high speed, so that the suture staple 310 inserted into the human tissue is clamped in the rectangular hole 3010, under the action of the groove at the bottom of the anvil 4, the suture staple 310 is deformed, so that the suture of the human tissue is completed, when the staple cartridge box 301 needs to be replaced, the push block 205 and the connecting column 204 are pulled, so that the piston 203 and the extrusion plate 307 move to one side, so that one end of the extrusion plate 307 is separated from the staple cartridge box 301, the replacement staple cartridge box 301 is removed from the base 101, then a new set of staple cartridge boxes 301 are taken out and placed on one side of the base 101, the staple cartridge box 301 is pushed horizontally, so that the slide groove 308 at the bottom of the staple cartridge box 301 is clamped and connected to the limiting block on the base 101, so that the positioning block B 304 at one end of the staple cartridge box 301 is clamped and connected to the positioning groove A 104 on the base 101, so that the positioning block A 303 at one end of the staple cartridge box 301 is clamped and connected to the positioning groove B 106 on the base 101, as the staple cartridge box 301 continues to be pushed horizontally, the arc-shaped groove 309 at one end of the staple cartridge box 301 will first extrude the limiting block C 109, so that the deformation block 108 deforms inwardly, after the outer side of the staple cartridge box 301 is flush with the outer side of the base 101, the arc-shaped groove 309 is clamped and connected to the limiting block C 109, so that the staple cartridge box 301 can be fixed on the base 101, so that the quick replacement of the staple cartridge box 301 can be completed.

[0049] The above is only an optional embodiment of the present disclosure, and is not used to limit the present disclosure. Those skilled in the art can make various modifications and changes to the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A cartridge deck assembly for a stapler, the cartridge deck assembly comprising: The utility model provides a kind of surgical stapler, including fixed component (1) with anvil (4), one end of the fixed component (1) is provided with excitation component (2), the top of the fixed component (1) is provided with staple magazine component (3), the staple magazine component (3) includes staple magazine box (301), the end of the staple magazine box (301) is opened with rectangular slot (302), the rectangular slot (302) is fixedly installed with push staple piece (305) inside, the top of the push staple piece (305) is equidistantly fixedly connected with fixed block (306), the top of the staple magazine box (301) is opened with multiple rectangular holes (3010), rectangular hole (3010) is engagedly connected with suture staple (310) with bottom surface abutment on the top of fixed block (306), the rectangular slot (302) is inserted with extrusion plate (307), The excitation component (2) includes connecting pipe (201) that is actively penetrated with extrusion plate (307), the inside of the connecting pipe (201) is opened with hollow cylinder (202), the inside of the hollow cylinder (202) is sleeved with piston (203), one end of the piston (203) is fixedly connected with connecting column (204), one end of the connecting column (204) is fixedly connected with push block (205), the other end of the piston (203) is fixedly connected with one end of extrusion plate (307).

2. The cartridge deck assembly for an anastomat according to Claim 1, wherein: The end of the staple magazine box (301) is provided with locating block A (303) on one side, the end of the staple magazine box (301) is opened with arc-shaped slot (309) on the side close to locating block A (303), and the end of the staple magazine box (301) is provided with locating block B (304) on the side away from locating block A (303).

3. The cartridge deck assembly for an anastomat according to Claim 1, wherein: The bottom of the staple magazine box (301) is symmetrically opened with a group of sliding grooves (308).

4. The cartridge deck assembly of claim 1 wherein: The fixed component (1) includes base (101) that is abutted with the bottom surface of the staple magazine box (301), and the top of the base (101) is symmetrically opened with limiting block A (102) for clamping connection sliding groove (308).

5. The cartridge deck assembly of claim 4 wherein: One end of the base (101) is fixedly connected with limiting block B (103) fixedly connected with the end of the connecting pipe (201), the inner side of the limiting block B (103) is opened with positioning groove A (104) for clamping connection locating block B (304), and the inside of the limiting block B (103) is opened with rectangular limiting hole (105) for plug-in connection extrusion plate (307).

6. The cartridge deck assembly of claim 4 wherein: The inner side of the end of the base (101) away from limiting block B (103) is opened with positioning groove B (106) for clamping connection locating block A (303).

7. The cartridge deck assembly of claim 4 wherein: The inner side of the end of the base (101) away from limiting block B (103) is opened with positioning groove B (106) for clamping connection locating block A (303).

8. The cartridge deck assembly of claim 1 wherein: The outer side of the connecting pipe (201) is fixedly installed with an injection valve (206) communicated with the hollow cylinder (202) near one end of the hollow cylinder (202).

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