CN113558692B - Surgical stapler with staple spacing adjusting device - Google Patents
Surgical stapler with staple spacing adjusting device Download PDFInfo
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- CN113558692B CN113558692B CN202110803803.0A CN202110803803A CN113558692B CN 113558692 B CN113558692 B CN 113558692B CN 202110803803 A CN202110803803 A CN 202110803803A CN 113558692 B CN113558692 B CN 113558692B
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- staple
- adjusting
- pressure lever
- wall
- fixedly connected
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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
Abstract
The invention relates to the technical field of surgical stapler, and discloses a surgical stapler with a device for adjusting staple interval, which comprises a shell, wherein a staple bin and a handle are arranged in the shell, the handle is arranged on the left side of the staple bin, a rotating piece is rotated, so that the rotating piece can drive a sliding rod to extend out through a clamping column, when the staple is nailed after the staple is extended to a proper distance, a connecting frame is extruded to drive a first pressing rod and a second pressing rod to extrude the sliding rod, so that the rotating plate can be contacted with the rotating piece, the rotating plate is clamped by an elastic plate, the two sliding rods can be clamped by the rotating plates at the upper end and the lower end, the sliding rods are prevented from being extruded and retracted, when the extending distance of the sliding rod needs to be adjusted, an adjusting strip is inserted into an opening, so that the two rotating plates at the upper end and the lower end can be pulled back to the inside of a groove, and the extending distance of the sliding rod can be adjusted again, the purpose of adjusting the space between the sewing needles is achieved.
Description
Technical Field
The invention relates to the technical field of surgical staplers, in particular to a surgical stapler with a staple spacing adjusting device.
Background
In recent years, surgeons have increasingly tended to use stapling instruments to staple body tissue such as the lungs, esophagus, stomach, duodenum, and/or other organs within the intestinal tract. The use of a suitable stapling instrument in many applications allows for better operation in a shorter time and simplifies previously difficult surgical procedures, such as gastrointestinal anastomosis. Existing linear two-and four-row cutting staplers comprise a cartridge-less instrument into which the staples are individually manually loaded. Other prior devices include a pre-sterilized disposable staple loading unit and a cutting member that can be used to divide the tissue and form multiple rows of staples simultaneously.
The prior art surgical stapler is directly used when in use, cannot adjust the staple spacing, can only staple wounds of a specific size, and has high limitation, so that the surgical stapler with the staple spacing adjusting device is provided.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a surgical stapler with a staple spacing adjustment device that addresses the problems set forth in the background above.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the surgical stapler with the device for adjusting the staple spacing comprises a shell, wherein a staple bin and a handle are arranged inside the shell, and the handle is arranged on the left side of the staple bin.
Preferably, the nail storehouse includes the storehouse body, the internal portion in storehouse is provided with power spare, the internal wall right side in storehouse is provided with spring one, the equal fixedly connected with bull stick in the positive and negative both ends in storehouse right side, the equal fixedly connected with lug in the positive and negative both ends in storehouse left side, the internal portion in storehouse is provided with the nail, the nail left side is provided with the nailing mechanism.
Preferably, the power part includes the baffle, the rectangular hole has all been seted up at both ends about the baffle, two the ball has all been inlayed at both ends about the rectangular hole, the equal fixedly connected with crossbeam in storehouse body front and back both ends, two the crossbeam is equallyd divide and is do not run through two rectangular holes, two both ends all are provided with the arc limit about the crossbeam, four the ball is equallyd divide do not contact with four arc limits.
Preferably, a supporting plate II is fixedly connected to the lower portion of the left side of the partition plate, the bottom of the supporting plate II is not in contact with the bottom of the bin body, a supporting plate I is highly connected to the left side of the bottom of the bin body, the tops of the supporting plate I and the tops of the supporting plate II are located on the same horizontal plane, and the tops of the supporting plate I and the supporting plate II are in contact with the bottoms of the staples.
Preferably, the nailing mechanism comprises a supporting plate, the left end and the right end of the supporting plate are fixedly connected with the inner wall of the bin body, a connecting groove is formed in the middle shaft inside the supporting plate, and a second spring is fixedly connected to the bottom of the inner wall of the connecting groove.
Preferably, the front face of the supporting plate is provided with a first pressing rod and a second pressing rod, the first pressing rod and the second pressing rod are connected in a rotating mode through a rotating shaft, the first pressing rod and the second pressing rod are not located on the same horizontal plane, the top of the first pressing rod penetrates through a connecting groove, the first pressing rod is connected with the connecting groove in a sliding mode, the bottom of the first pressing rod is in contact with the top of the second spring, and an adjusting piece is arranged below the front face of the supporting plate.
Preferably, the regulating part comprises a regulating box, the left end and the right end of the regulating box are both provided with openings, the upper end and the lower end of the inside of the regulating box are both provided with slide bars, the two ends of the slide bars, which are far away from each other, are both penetrated through the regulating box, the left end and the right end of the inner wall of the regulating box are both rotatably connected with clamping columns, the clamping columns are both in contact with the two slide bars, a rotating part is arranged at the middle shaft of the regulating box, and the rotating part is in contact with the two slide bars.
Preferably, two the one end that the slide bar is close to each other all is seted up flutedly, two the recess inner wall all is connected with four rotor plates, eight through the axis of rotation equal fixedly connected with elastic plate in rotor plate surface, eight elastic plate is equallyd divide and do not with two recess cell wall fixed connection.
Compared with the prior art, the invention provides a surgical stapler with a staple spacing adjusting device, which has the following beneficial effects:
1. according to the invention, the rotating piece is rotated, so that the rotating piece can drive the sliding rods to extend through the clamping columns, when the rotating piece extends to a proper distance and is nailed, the connecting frame is extruded to drive the first pressing rod and the second pressing rod to extrude the sliding rods, so that the rotating plate can be contacted with the rotating piece, and the rotating plate is clamped by the elastic plate, so that the two sliding rods can be clamped by the rotating plates at the upper end and the lower end, and the sliding rods are prevented from being extruded and retracted.
2. According to the invention, when the extending distance of the slide bar needs to be adjusted, the adjusting strip is inserted into the opening, so that the two rotating plates at the upper end and the lower end can be pulled back into the groove, the slide bar cannot be clamped by the rotating plates, the extending distance of the slide bar can be adjusted again, and the purpose of adjusting the distance between sewing needles is achieved.
3. According to the invention, after the stitching nail is used, the partition plate is extruded by the elastic force of the spring I, so that the partition plate slides on the cross beam through the ball, and the arc-shaped edge on the cross beam can be well clamped with the ball, so that the partition plate can move stably through the ball, and the stitching effect of the stitching nail can be accurately ensured.
4. According to the invention, when the first pressure lever and the second pressure lever are extruded, the first pressure lever can drive the second pressure lever to slide in the connecting groove, so that the first pressure lever and the second pressure lever can extrude a staple better, the staple can be effectively nailed at a wound, and meanwhile, the first pressure lever and the second pressure lever can be reset through the elastic force of the second spring after the stapling is finished, so that the next extrusion is continued conveniently.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the staple cartridge of the present invention;
FIG. 3 is a schematic structural view of the power element of the present invention;
FIG. 4 is a cross-sectional view of a staple cartridge of the present invention;
FIG. 5 is a schematic structural view of the stapling mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the support plate of the present invention;
FIG. 7 is an enlarged view of A in FIG. 6 according to the present invention.
In the figure: the nail cartridge comprises a shell 1, a nail cartridge 2, a cartridge body 21, a power part 22, a partition plate 221, a rectangular hole 222, a ball 223, a cross beam 224, an arc-shaped edge 225, a first spring 23, a rotating rod 24, a nail 25, a nailing mechanism 26, a support plate 261, a first pressing rod 262, a second pressing rod 263, a connecting frame 264, an adjusting part 265, an adjusting box 2651, a sliding rod 2652, a rotating part 2653, a clamping column 2654, a groove 2655, a rotating plate 2656, an elastic plate 2657, a connecting groove c, a second spring d, a first support plate a, a second support plate b and a handle 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a surgical stapler with a device for adjusting staple spacing comprises a shell 1, a staple cartridge 2 and a handle 3 are arranged in the shell 1, the handle 3 is arranged on the left side of the staple cartridge 2, the staple cartridge 2 comprises a bin body 21, a power part 22 is arranged in the bin body 21, the power part 22 comprises a partition 221, a support plate II is fixedly connected below the left side of the partition 221, the bottom of the support plate II is not contacted with the bottom of the inner wall of the bin body 21, a support plate I is highly connected to the left side of the bottom of the inner wall of the bin body 21, the tops of the support plate I and the support plate II are both positioned on the same horizontal plane, the tops of the support plate I and the support plate II are both contacted with the bottoms of staples 25, rectangular holes 222 are respectively formed at the left end and the right end of the partition 221, balls 223 are respectively embedded at the upper end and the lower end of each rectangular hole 222, cross beams 224 are both fixedly connected with cross beams 224 respectively at the front end and the rear end of the inner wall of the bin body 21, two cross beams 224 are both provided with arc-shaped edges 225, after the staple 25 is used, the partition 221 is extruded by the elastic force of the first spring 23, so that the partition 221 slides on the cross beam 224 through the balls 223, wherein the arc-shaped edge 225 on the cross beam 224 can be well clamped with the balls 223, thereby the partition 221 can move more stably through the balls 223, the stapling effect of the staple 25 can be accurately ensured, the four balls 223 are respectively contacted with the four arc-shaped edges 225, the first spring 23 is arranged on the right side of the inner wall of the bin body 21, the rotating rods 24 are fixedly connected to the front and back ends of the right side of the bin body 21, the protruding blocks are fixedly connected to the front and back ends of the left side of the bin body 21, the staple 25 is arranged in the bin body 21, the stapling mechanism 26 is arranged on the left side of the staple 25, the stapling mechanism 26 comprises a support plate 261, the first pressure rod 262 and the second pressure rod 263 are arranged on the front side of the support plate 261, when the first pressure rod 262 and the second pressure rod 263 are extruded, the first pressure rod 262 can drive the second pressure rod 263 to slide in the connecting groove c, therefore, the first pressing rod 262 and the second pressing rod 263 can be conveniently extruded better, staples 25 can be effectively stapled at a wound, the first pressing rod 262 and the second pressing rod 263 can be reset through the elastic force of the second spring d after the stapling is finished, the next extrusion can be conveniently continued, the first pressing rod 262 and the second pressing rod 263 are rotatably connected through the rotating shaft, the first pressing rod 262 and the second pressing rod 263 are not located on the same horizontal plane, the top of the first pressing rod 262 penetrates through the connecting groove c, the first pressing rod 262 is slidably connected with the connecting groove c, the bottom of the first pressing rod 262 is contacted with the top of the second spring d, the adjusting piece 265 is arranged below the front surface of the supporting plate 261 and comprises an adjusting box 2651, the left end and the right end of the adjusting box 2651 are both provided with openings, the sliding rods 2652 are arranged at the upper end and the lower end of the inside of the adjusting box 2651, when the extending distance of the sliding rod 2652 needs to be adjusted, the adjusting strip is inserted through the opening, so that the two rotating plates 2656 at the upper end and the lower end can be pulled back to the inside of the groove 2655, therefore, the sliding rods 2652 cannot be clamped by the rotating plates 2656, the extending distance of the sliding rods 2652 can be adjusted again, and the purpose of adjusting the stitch spacing is achieved, the ends of the two sliding rods 2652 close to each other are respectively provided with a groove 2655, the inner walls of the two grooves 2655 are respectively and rotatably connected with four rotating plates 2656 through rotating shafts, the surfaces of the eight rotating plates 2656 are respectively and fixedly connected with elastic plates 2657, the eight elastic plates 2657 are respectively and fixedly connected with the groove walls of the two grooves 2656, the ends of the two sliding rods 2652 far away from each other penetrate through the adjusting box 2651, the left end and the right end of the inner wall of the adjusting box 2651 are respectively and rotatably connected with clamping columns 2654, the two clamping columns 2654 are respectively contacted with the two sliding rods 2652, a rotating part 2653 is arranged at the middle shaft of the adjusting box 2651, the rotating part 2653 can drive the sliding rods 2652 to extend through the clamping columns 2654, when the nail is pushed after extending to a proper distance, the connecting frame 264 drives the first pressing rod 262 and the second pressing rod 263 to extrude the sliding rods 2652, thereby can make rotation board 2656 and rotating member 2653 contact, rotation board 2656 is blocked by elastic plate 2657, thereby can block two slide bars 2652 through rotation board 2656 at upper and lower both ends, avoid slide bar 2652 to receive the extrusion withdrawal, rotate piece 2653 and two slide bars 2652 contacts, both ends all with storehouse body 21 inner wall fixed connection about backup pad 261, connecting groove c has been seted up to backup pad 261 inside axis department, connecting groove c inner wall bottom fixedly connected with spring two d.
When in use, the staple 25 is put into the cartridge body 21, the bottom of the staple 25 is supported by the first support plate a and the second support plate b, the staple 25 is in contact with the partition 221 and the support plate 261, wherein the partition 221 is in contact with the first spring 23, so that the first spring 23 pushes the partition 221 to press the partition 221, thereby fixing the staple 21, after the staple 25 is used, the partition 221 is pressed by the elastic force of the first spring 23, so that the partition 221 slides on the cross beam 224 through the ball 223, wherein the arc-shaped edge 225 on the cross beam 224 can be well clamped with the ball 223, so that the partition 221 can move through the ball 223 stably when the staple is needed, the connecting frame 264 is pressed, thereby the connecting frame 264 can press the first pressing rod 262 and the second pressing rod 263, the first pressing rod 262 and the second pressing rod 263 are forced to rotate, thereby pressing the staple 25, and the staple 25 can suture the wound surface, when the first pressure lever 262 and the second pressure lever 263 are squeezed, the first pressure lever 262 can drive the second pressure lever 263 to slide in the connecting groove c, so that the first pressure lever 262 and the second pressure lever 263 can squeeze the staple 25 better, the rotating member 2653 is rotated counterclockwise, so that the rotating member 2653 can drive the sliding rod 2652 to extend through the clamping post 2654, after the extending distance of the sliding rod 2652 is adjusted, the first pressure lever 262 and the second pressure lever 263 contact the sliding rod 2652 when pressed downward, so as to squeeze the sliding rod 2652, when the sliding rod 2652 is squeezed, the rotating plate 2656 contacts the rotating member 2653, the rotating plate 2656 is clamped by the elastic plate 2657, so that the two sliding rods 2652 can be clamped by the rotating plates 2656 at the upper and lower ends, so as to prevent the sliding rod 2652 from being squeezed and retracted, when the extending distance of the sliding rod 2652 needs to be adjusted again, the adjusting strip is inserted through the opening, the two rotating plates 2656 at the upper and lower ends are pulled back, so that the extending distance of the sliding rod 2652 can be adjusted again, the effect of adjusting the distance between the sewing needles is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A surgical stapler with a device for adjusting the staple spacing, comprising a housing (1), characterized in that: the nail bin (2) and the handle (3) are arranged in the shell (1), and the handle (3) is arranged on the left side of the nail bin (2);
the nail bin (2) comprises a bin body (21), a power part (22) is arranged inside the bin body (21), a first spring (23) is arranged on the right side of the inner wall of the bin body (21), rotating rods (24) are fixedly connected to the front and back ends of the right side of the bin body (21), bumps are fixedly connected to the front and back ends of the left side of the bin body (21), a nail (25) is arranged inside the bin body (21), and a nailing mechanism (26) is arranged on the left side of the nail (25);
the nailing mechanism (26) comprises a supporting plate (261), the left end and the right end of the supporting plate (261) are fixedly connected with the inner wall of the bin body (21), a connecting groove (c) is formed in the middle shaft inside the supporting plate (261), and the bottom of the inner wall of the connecting groove (c) is fixedly connected with a second spring (d);
the front surface of the supporting plate (261) is provided with a first pressure lever (262) and a second pressure lever (263), the first pressure lever (262) and the second pressure lever (263) are rotatably connected through a rotating shaft, the first pressure lever (262) and the second pressure lever (263) are not positioned on the same horizontal plane, the top of the first pressure lever (262) penetrates through a connecting groove (c), the first pressure lever (262) is slidably connected with the connecting groove (c), the bottom of the first pressure lever (262) is in contact with the top of a second spring (d), and an adjusting piece (265) is arranged below the front surface of the supporting plate (261);
the adjusting part (265) comprises an adjusting box (2651), the left end and the right end of the adjusting box (2651) are both provided with openings, the upper end and the lower end of the inside of the adjusting box (2651) are both provided with a sliding rod (2652), one ends, far away from each other, of the two sliding rods (2652) penetrate through the adjusting box (2651), the left end and the right end of the inner wall of the adjusting box (2651) are both rotatably connected with clamping columns (2654), the two clamping columns (2654) are both contacted with the two sliding rods (2652), a rotating part (2653) is arranged at the middle shaft of the adjusting box (2651), and the rotating part (2653) is contacted with the two sliding rods (2652);
two recess (2655) are all seted up to the one end that slide bar (2652) are close to each other, two recess (2655) inner wall all is connected with four rotor plates (2656) through the axis of rotation, eight rotor plates (2656) equal fixedly connected with elastic plate (2657) in surface, eight elastic plate (2657) are equallyd divide respectively with two recess (2656) cell wall fixed connection.
2. A surgical stapler with a device for adjusting the staple spacing according to claim 1, characterized in that: power piece (22) includes baffle (221), rectangular hole (222), two have all been seted up at both ends about baffle (221) ball (223) have all been inlayed at both ends about rectangular hole (222), the equal fixedly connected with crossbeam (224) in the positive and negative both ends of storehouse body (21) inner wall, two crossbeam (224) are equallyd divide and are do not run through two rectangular hole (222), two both ends all are provided with arc limit (225) about crossbeam (224), four ball (223) are equallyd divide do not contact with four arc limits (225).
3. A surgical stapler with a device for adjusting the staple spacing according to claim 2, characterized in that: baffle (221) left side below fixedly connected with backup pad two (b), backup pad two (b) bottom does not contact with storehouse body (21) inner wall bottom, storehouse body (21) inner wall bottom left side highly is connected with backup pad (a), backup pad (a) and backup pad two (b) top all are located same horizontal plane, backup pad (a) and backup pad two (b) top all contact with staple (25) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803803.0A CN113558692B (en) | 2021-07-16 | 2021-07-16 | Surgical stapler with staple spacing adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803803.0A CN113558692B (en) | 2021-07-16 | 2021-07-16 | Surgical stapler with staple spacing adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113558692A CN113558692A (en) | 2021-10-29 |
| CN113558692B true CN113558692B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110803803.0A Active CN113558692B (en) | 2021-07-16 | 2021-07-16 | Surgical stapler with staple spacing adjusting device |
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| Country | Link |
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| CN (1) | CN113558692B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416895A (en) * | 2008-10-29 | 2009-04-29 | 马剑文 | Tube type anastomat with insurance device and main body of anastomat thereof |
| DE102009018818A1 (en) * | 2009-04-24 | 2010-10-28 | Aesculap Ag | Surgical instrument for applying ligature clips |
| CN102835981A (en) * | 2011-06-21 | 2012-12-26 | 伊西康内外科公司 | A surgical fastener for applying a large staple through a small delivery port |
| CN110871420A (en) * | 2018-08-30 | 2020-03-10 | 陈俊丽 | Convenient and adjustable stapler |
| CN112869808A (en) * | 2021-02-22 | 2021-06-01 | 苏州法兰克曼医疗器械有限公司 | Skin anastomat with differential structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8382761B2 (en) * | 2007-08-29 | 2013-02-26 | Covidien Lp | Surgical staple with adjustable width backspan |
-
2021
- 2021-07-16 CN CN202110803803.0A patent/CN113558692B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416895A (en) * | 2008-10-29 | 2009-04-29 | 马剑文 | Tube type anastomat with insurance device and main body of anastomat thereof |
| DE102009018818A1 (en) * | 2009-04-24 | 2010-10-28 | Aesculap Ag | Surgical instrument for applying ligature clips |
| CN102835981A (en) * | 2011-06-21 | 2012-12-26 | 伊西康内外科公司 | A surgical fastener for applying a large staple through a small delivery port |
| CN110871420A (en) * | 2018-08-30 | 2020-03-10 | 陈俊丽 | Convenient and adjustable stapler |
| CN112869808A (en) * | 2021-02-22 | 2021-06-01 | 苏州法兰克曼医疗器械有限公司 | Skin anastomat with differential structure |
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| Publication number | Publication date |
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| CN113558692A (en) | 2021-10-29 |
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