Disposable endoscope linear cutting anastomat

Abstract

The utility model relates to the technical field of endoscope linear cutting anastomats, in particular to a disposable endoscope linear cutting anastomat. Comprising a fixed handle, a nail bin assembly, a push block and a safety button which are located on the fixed handle, a percussion handle located on the fixed handle, a mounting pipe located at one end of the fixed handle, an adjusting button located on the mounting pipe, a connecting pipe located on the nail bin assembly and a protection box located on the nail bin assembly, by arranging the fixing assembly, when a clamping block moves into an annular groove, a connecting pipe is rotated anticlockwise, the clamping block is driven to rotate anticlockwise in the annular groove, the clamping block is clamped at the tail end of the annular groove through a stopping block, the connecting pipe and an installation pipe are fixed, rapid installation is achieved, when the connecting pipe and the installation pipe need to be disassembled, a pulling plate is pulled backwards, the stopping block is separated from the clamping block, and the clamping block is driven to rotate anticlockwise. And the connecting pipe is rotated clockwise, the connecting pipe is pulled, the fixing pipe and the mounting pipe can be separated, and quick disassembly can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of laparoscopic linear cutting staplers, in particular to a disposable laparoscopic linear cutting stapler. Background Art

[0002] The stapler is the world's first stapler and has been used for gastrointestinal anastomosis for nearly a century. Due to the development of modern science and technology and the improvement of manufacturing technology, the staplers used clinically are reliable in quality, easy to use, tight, and of appropriate tightness. In particular, they have the advantages of fast suturing, simple operation, and few side effects and surgical complications. They have also made it possible to remove tumors that were previously inoperable.

[0003] During use, the stapler body and the corresponding stapler magazine assembly are selected according to the different applicable scopes during surgery. After use, the stapler magazine assembly needs to be disassembled and replaced. The existing staplers are relatively troublesome, time-consuming and labor-intensive in the installation and disassembly process. Therefore, the utility model proposes a disposable laparoscopic linear cutting stapler to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a disposable laparoscope linear cutting stapler to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a disposable laparoscopic linear cutting stapler, comprising a fixed handle, a staple magazine assembly, a push block and a safety button located on the fixed handle, a firing handle located on the fixed handle, a mounting tube located at one end of the fixed handle, an adjustment button located on the mounting tube, a connecting tube located on the staple magazine assembly, and a protective box located on the staple magazine assembly, wherein a fixing assembly is provided on the mounting tube, a center rod is provided inside the mounting tube, a fixing tube is fixedly connected to one end of the connecting tube, two clamping blocks are symmetrically installed on the fixing tube, and the fixing assembly is used to quickly lock the connecting tube and the mounting tube.

[0006] Preferably, the fixing tube is provided with an insertion groove for the center rod to be inserted into, the mounting tube is provided with a circular groove for the fixing tube to be inserted into, and the mounting tube is provided with a positioning groove for the clamping block to be inserted into.

[0007] Preferably, the fixing assembly comprises an annular groove, a blocking block, a pull plate and a spring, the annular groove is opened inside the circular groove, and the annular groove is arranged in the shape of one-eighth of an annular ring.

[0008] Preferably, the annular groove allows the blocking block to rotate, and a sliding groove for the blocking block to slide is provided on one side of the mounting tube close to the annular groove, and a spring is provided in the sliding groove.

[0009] Preferably, one end of the spring is fixedly connected to the blocking block, and the other end of the spring is fixedly connected to the mounting tube.

[0010] Preferably, the pull plate is slidably connected to the mounting tube, and the lower end of the pull plate is fixedly connected to the upper end of the blocking block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By providing a fixing component, when the blocking block moves into the annular groove, the connecting tube rotates counterclockwise, driving the blocking block to rotate counterclockwise in the annular groove, and the blocking block clamps the blocking block at the end of the annular groove, so that the connecting tube and the mounting tube are fixed, and quick installation is achieved. When it is necessary to disassemble it, the pull plate is pulled backward, the blocking block is disengaged from the blocking block, and the connecting tube is rotated clockwise and pulled to separate the fixing tube from the mounting tube, so that quick disassembly can be achieved and the operation is simple, so that the same instrument can be replaced with different nail magazine components, and applicability is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the position of the fixing components of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the fixing component of the utility model;

[0016] Figure 4 This is a schematic diagram of the blocking block and the clamping block structure of the utility model.

[0017] In the figure: 1. fixed handle; 2. safety button; 3. push block; 4. adjustment button; 6. fixed assembly; 7. firing handle; 8. nail magazine assembly; 9. connecting tube; 10. mounting tube; 11. protection box; 12. fixed tube; 13. center rod; 14. clamping block; 15. positioning groove; 61. annular groove; 62. blocking block; 63. pull plate; 64. spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 4The utility model provides a technical solution: a disposable laparoscope linear cutting stapler, comprising a fixed handle 1, a staple cartridge assembly 8, a push block 3 and a safety button 2 located on the fixed handle 1, a firing handle 7 located on the fixed handle 1, a mounting tube 10 located at one end of the fixed handle 1, an adjusting button 4 located on the mounting tube 10, a connecting tube 9 located on the staple cartridge assembly 8, and a protective box 11 located on the staple cartridge assembly 8, a fixing assembly 6 is arranged on the mounting tube 10, a center rod 13 is arranged in the mounting tube 10, one end of the connecting tube 9 is fixedly connected to a fixing tube 12, two card blocks 14 are symmetrically arranged on the fixing tube 12, and the fixing assembly 6 is used for fast locking connection The tube 9 and the mounting tube 10 are provided with a fixing component 6. When the block 14 moves into the annular groove 61, the connecting tube 9 is rotated counterclockwise to drive the block 14 to rotate counterclockwise in the annular groove 61. The blocking block 62 blocks the block 14 at the end of the annular groove 61. The connecting tube 9 and the mounting tube 10 are fixed to achieve quick installation. When it is necessary to disassemble them, the pull plate 63 is pulled backward, the blocking block 62 is disengaged from the block 14, the connecting tube 9 is rotated clockwise, and the connecting tube 9 is pulled to separate the fixing tube 12 from the mounting tube 10. Quick disassembly can be achieved, and the operation is simple, so that the same instrument can be replaced with different nail magazine components 8, and the applicability is enhanced.

[0020] The fixing tube 12 is provided with an insertion groove for the center rod 13 to be inserted into, the mounting tube 10 is provided with a circular groove for the fixing tube 12 to be inserted into, and the mounting tube 10 is provided with a positioning groove 15 for the clamping block 14 to be inserted into. The center rod 13 is inserted into the insertion groove in the fixing tube 12, the fixing tube 12 is inserted into the circular groove on the mounting tube 10, and the clamping block 14 slides on the positioning groove 15.

[0021] The fixing assembly 6 includes an annular groove 61, a blocking block 62, a pull plate 63 and a spring 64. The annular groove 61 is provided inside the circular groove. The annular groove 61 is set in a one-eighth ring shape. The annular groove 61 is provided for the block 14 to rotate. A sliding groove for the blocking block 62 to slide is provided on one side of the mounting tube 10 close to the annular groove 61. A spring 64 is provided in the sliding groove. One end of the spring 64 is fixedly connected to the blocking block 62, and the other end of the spring 64 is fixedly connected to the mounting tube 10. The pull plate 63 is slidably connected to the mounting tube 10, and the lower end of the pull plate 63 is fixedly connected to the upper end of the blocking block 62. When the block 14 moves into the annular groove 61, the connecting tube 9 is rotated counterclockwise at this time, and the block 14 is driven to rotate counterclockwise in the annular groove 61 through the fixed tube 12. The block 14 contacts with the blocking block 62, and the block 14 squeezes the inclined surface of the blocking block 62, so that the blocking block 62 squeezes the spring 64 and moves into the sliding groove. The block 14 moves to the end of the annular groove 61. At this time, under the action of the spring 64, the blocking block 62 is driven out of the sliding groove, and the block 14 is stuck at the end of the annular groove 61. The connecting tube 9 and the mounting tube 10 are fixed, and quick installation is achieved.

[0022] In actual use, when the nail magazine assembly 8 needs to be installed, the center rod 13 is inserted into the insertion groove in the fixed tube 12, the fixed tube 12 is inserted into the circular groove on the installation tube 10, and the block 14 slides on the positioning groove 15. When the block 14 moves to the annular groove 61, the connecting tube 9 is rotated counterclockwise at this time, and the block 14 is driven by the fixed tube 12 to rotate counterclockwise in the annular groove 61. The block 14 contacts the blocking block 62, and the block 14 squeezes the inclined surface of the blocking block 62, so that the blocking block 62 squeezes the spring 64 and moves into the sliding groove. The block 14 moves to the end of the annular groove 61. At this time, under the action of the spring 64 , driving the blocking block 62 to move out of the sliding groove, and clamping the clamping block 14 at the end of the annular groove 61, the connecting tube 9 and the mounting tube 10 are fixed, and quick installation is achieved. When it needs to be disassembled, the pull plate 63 is pulled backward to drive the blocking block 62 to squeeze the spring 64 and move into the sliding groove, the blocking block 62 is disengaged from the clamping block 14, and the connecting tube 9 is rotated clockwise, driving the clamping block 14 to rotate clockwise in the annular groove 61 until it enters the positioning groove 15, and the connecting tube 9 is pulled to separate the fixing tube 12 from the mounting tube 10, so that quick disassembly can be achieved, and the operation is simple, so that the same instrument can be replaced with different nail magazine assemblies 8.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disposable laparoscopic linear cutting stapler, comprising a fixed handle (1), a staple cartridge assembly (8), a push block (3) and a safety button (2) located on the fixed handle (1), a firing handle (7) located on the fixed handle (1), a mounting tube (10) located at one end of the fixed handle (1), an adjusting button (4) located on the mounting tube (10), a connecting tube (9) located on the staple cartridge assembly (8), and a protective box (11) located on the staple cartridge assembly (8), characterized in that: The mounting tube (10) is provided with a fixing assembly (6), a center rod (13) is provided inside the mounting tube (10), one end of the connecting tube (9) is fixedly connected to a fixing tube (12), two clamping blocks (14) are symmetrically mounted on the fixing tube (12), and the fixing assembly (6) is used for quickly locking the connecting tube (9) and the mounting tube (10).

2. The disposable laparoscopic linear cutting stapler according to claim 1, characterized in that: The fixing tube (12) is provided with an insertion groove for the center rod (13) to be inserted into, the installation tube (10) is provided with a circular groove for the fixing tube (12) to be inserted into, and the installation tube (10) is provided with a positioning groove (15) for the clamping block (14) to be inserted into.

3. The disposable laparoscopic linear cutting stapler according to claim 2, characterized in that: The fixing assembly (6) comprises an annular groove (61), a blocking block (62), a pulling plate (63) and a spring (64); the annular groove (61) is arranged inside the circular groove; and the annular groove (61) is arranged in the shape of one eighth of an annular ring.

4. The disposable laparoscopic linear cutting stapler according to claim 3, characterized in that: The annular groove (61) allows the clamping block (14) to rotate, and a sliding groove for the blocking block (62) to slide is provided on one side of the mounting tube (10) close to the annular groove (61), and a spring (64) is provided in the sliding groove.

5. The disposable laparoscopic linear cutting stapler according to claim 4, characterized in that: One end of the spring (64) is fixedly connected to the blocking block (62), and the other end of the spring (64) is fixedly connected to the mounting tube (10).

6. The disposable laparoscopic linear cutting stapler according to claim 5, characterized in that: The pull plate (63) is slidably connected to the mounting tube (10), and the lower end of the pull plate (63) is fixedly connected to the upper end of the blocking block (62).

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