Traction device for gastrointestinal tumor minimally invasive surgery

By designing a pulling device for minimally invasive surgery for gastrointestinal tumors, the problems of difficulty in resection of the lesion site and fatigue of medical staff during endoscopic mucosal resection are solved, and the stable fixation of the traction line and the simplicity of operation are achieved.

CN119564270AInactive Publication Date: 2025-03-07FIRST AFFILIATED HOSPITAL OF DALIAN MEDICAL UNIV
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Patent Information

Application Number
CN202411981972.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-03-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In endoscopic mucosal resection, due to poor lifting of the lesion site and small submucosal space, it is difficult to remove the lesion with electrocution, and medical staff maintaining pulling for a long time, resulting in fatigue and difficulty in controlling strength.

Method used

A minimally invasive pulling device for gastrointestinal tumors is designed, including a bottom plate, a fixing plate, a side plate, a winding wheel and a traction line. The winding wheel retracts the pulling wire and sets a limit ring on the bottom plate. The pulling wire is fixed by a positioning plate and a rack structure to simplify operation and improve traction stability.

Benefits of technology

This device makes the traction line stable during movement, convenient and fast operation, reduces the fatigue of medical staff, and improves the accuracy of force control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of traction devices, in particular to a traction device for gastrointestinal tumor minimally invasive surgery. Comprising a bottom plate, fixing plates are arranged above the bottom plate, the two fixing plates are oppositely arranged on the upward working face of a plate body of the bottom plate, side plates are rotationally arranged on the opposite sides of the two fixing plates correspondingly, and cranks are rotationally inserted into the sides, away from each other, of the two fixing plates correspondingly; one end of the crank movably penetrates through the center of the plate body of the fixing plate and is fixedly connected with the centers of the side plates, and a winding wheel is arranged between the two side plates. The traction wire winding device has the beneficial effects that a traction wire is wound through the winding wheel, the traction wire is kept stable in the moving process through the limiting ring arranged on the bottom plate, when the traction wire needs to be fixed, the inner side of the positioning plate abuts against the edge side of the side plate, the traction wire can be fixed, operation is convenient and rapid, and the practicability is high. The problems that medical staff keep pulling for a long time and are too tired, and the strength is difficult to control are effectively solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of traction devices, and in particular to a minimally invasive traction device for gastrointestinal tumors. Background Art

[0002] Endoscopic mucosal resection refers to a surgery to completely remove the diseased mucosa under endoscopy. It is a treatment method developed from endoscopic polypectomy and endoscopic submucosal injection, and is an elective diagnostic or radical surgery. The surgery aims to diagnose and treat mucosal lesions by removing large pieces of mucosa. During the operation, the lesion is removed by electrosurgery. During the resection, it is difficult to use the electrosurgery due to problems such as poor lifting of the lesion and small space in the submucosal layer. The traction line is manually pulled to drive the stripping clamp to pull the lesion, which requires the increase of medical staff. The operation often takes a long time, and medical staff will be too tired if they keep pulling for a long time, and there are problems such as difficulty in controlling strength.

[0003] In view of the above problems, a minimally invasive traction device for gastrointestinal tumors is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the above-mentioned technology. The technical solution adopted by the present invention is:

[0005] A minimally invasive traction device for gastrointestinal tumors comprises a bottom plate, a fixed plate is provided above the bottom plate, the two fixed plates are relatively arranged on the upward working surface of the bottom plate body, side plates are rotatably provided on the opposite sides of the two fixed plates, and a crank is rotatably inserted on the sides of the two fixed plates away from each other, one end of the crank passes through the center of the fixed plate body and is connected and fixed to the center of the side plate, a winding wheel is provided between the two side plates, a traction line is wound around the winding wheel body, a slide groove is provided on the plate body of one of the fixed plates, a limit plate is movably inserted inside the slide groove body, a connecting shaft is provided at one end of the limit plate body, a positioning plate is provided at one end of the connecting shaft, a spring is sleeved on the shaft body of the connecting shaft, one end of the spring abuts against one side of the positioning plate, and the spring is connected and fixed to the fixed plate body away from the positioning plate, a rotating shaft is provided at one end of the connecting shaft away from the positioning plate, a sleeve is rotatably sleeved on the shaft body of the rotating shaft, a handle is provided on the side of the sleeve body, a fixing hook is provided at one side of the fixed plate, and the fixing hook is hooked on the handle.

[0006] Preferably, the side panel is circular in design, a rotating shaft is provided in the center of the side panel, and one end of the rotating shaft provided in the center of the side panel is movable through the center of the fixed plate body, a rack is provided on the side of the side panel, and multiple racks are distributed in a ring on the side of the side panel.

[0007] Preferably, a support rod is provided on the upward working surface of the bottom plate, a limiting ring is provided on the top end of the support rod, and the limiting ring is movably sleeved on the traction line.

[0008] Preferably, the positioning plate is of arc-shaped design, and the inner side of the positioning plate is arranged close to the edge of the side plate, the positioning plate is adapted to the edge of the side plate, and a rack 2 is provided on the inner side of the positioning plate, and multiple racks 2 are equidistantly distributed on the inner side of the positioning plate, and multiple racks 2 and multiple racks 1 can mesh with each other.

[0009] The beneficial effects of the present invention are:

[0010] The present invention discloses a minimally invasive traction device for gastrointestinal tumors. A traction line is wound up by a winding wheel. A limiting ring is arranged on a bottom plate so that the traction line is kept stable during movement. When the traction line needs to be fixed, the traction line can be fixed by abutting the inner side of a positioning plate against the side of a side plate. The operation is convenient and quick, and the problems of excessive fatigue of medical personnel due to maintaining a pulling action for a long time and difficulty in controlling the strength are effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0012] Figure 2 It is a left-side structural schematic diagram of the present invention;

[0013] Figure 3 It is a right side cross-sectional structural schematic diagram of the present invention;

[0014] Figure 4 For the present invention Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0015] Reference table of reference numerals:

[0016] 1. Bottom plate; 2. Fixed plate; 3. Side plate; 4. Rack 1; 5. Winding wheel; 6. Pull line; 7. Support rod; 8. Limiting ring; 9. Crank; 10. Slide; 11. Connecting shaft; 12. Spring; 13. Positioning plate; 14. Rack 2; 15. Limiting plate; 16. Rotating shaft; 17. Sleeve; 18. Handle; 19. Fixed hook. DETAILED DESCRIPTION

[0017] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0018] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] In order to solve the technical problems in the background technology, a minimally invasive traction device for gastrointestinal tumors is provided as follows:

[0021] Combination Figure 1-Figure 4 As shown, the present invention provides a minimally invasive traction device for gastrointestinal tumors, including a bottom plate 1, a fixed plate 2 is arranged above the bottom plate 1, two fixed plates 2 are relatively arranged on the upward working surface of the bottom plate 1, and side plates 3 are rotatably arranged on opposite sides of the two fixed plates 2. The side plates 3 are circular in design, and a rotating shaft is arranged in the center of the side plates 3. One end of the rotating shaft arranged in the center of the side plates 3 is movably arranged through the center of the fixed plate 2. A rack 4 is arranged on the side of the side plate 3, and a plurality of racks 4 are annularly distributed on the side of the side plate 3. A crank 9 is inserted on one side of each fixed plate 2 which is away from each other. One end of the crank 9 is movably inserted through the center of the fixed plate 2 and connected and fixed to the center of the side plate 3. A winding wheel 5 is arranged between the two side plates 3. A traction line 6 is wound around the winding wheel 5. A support rod 7 is arranged on the upward working surface of the bottom plate 1. A limit ring 8 is arranged on the top of the support rod 7. The limit ring 8 is movably sleeved on the traction line 6. A slide groove 10 is arranged on the plate body of one fixed plate 2. A limit plate 15 is movably inserted in the inner part of the slide groove 10. The plate body of the limit plate 15 A connecting shaft 11 is provided at one end, and a positioning plate 13 is provided at one end of the connecting shaft 11. The positioning plate 13 is designed in an arc shape, and the inner side of the positioning plate 13 is arranged close to the side of the side plate 3. The positioning plate 13 is adapted to the side of the side plate 3. A rack 2 14 is provided on the inner side of the positioning plate 13. Multiple racks 2 14 are equidistantly distributed on the inner side of the positioning plate 13, and multiple racks 2 14 and multiple racks 1 4 can mesh with each other. In actual use, the racks 2 14 arranged on the inner side of the positioning plate 13 and the racks 2 arranged on the side of the side plate 3 are meshed with each other. 14 are meshed with each other, so that the positioning plate 13 can fix the side plate 3, a spring 12 is sleeved on the shaft body of the connecting shaft 11, one end of the spring 12 is pressed against one side of the positioning plate 13, and the end of the spring 12 away from the positioning plate 13 is connected and fixed to the fixed plate 2, a rotating shaft 16 is provided at the end of the connecting shaft 11 away from the positioning plate 13, a sleeve 17 is rotatably sleeved on the shaft body of the rotating shaft 16, a handle 18 is provided on the side of the sleeve 17, a fixing hook 19 is provided on one side of the fixed plate 2, and the fixing hook 19 is hooked on the handle 18.

[0022] The working principle and use process of the present invention:

[0023] When in use: the winding wheel 5 is rotated by the crank 9, and during the rotation, the winding wheel 5 reels the traction line 6. When the winding wheel 5 needs to be fixed, the handle 18 is pulled out from the fixing hook 19, and then under the thrust of the spring 12, the positioning plate 13 moves toward the side of the side plate 3 until it is engaged with the side of the side plate 3. At the same time, the rack 2 14 provided on the inner side of the positioning plate 13 is engaged with the rack 1 4 provided on the side of the side plate 3, so as to improve the fixing performance.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

[0027] Although 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 minimally invasive traction device for gastrointestinal tumors, characterized in that: It comprises a bottom plate (1), a fixed plate (2) is provided above the bottom plate (1), two fixed plates (2) are relatively arranged on the upward working surface of the bottom plate (1), side plates (3) are rotatably provided on opposite sides of the two fixed plates (2), a crank (9) is rotatably inserted on the side away from each other of the two fixed plates (2), one end of the crank (9) movably passes through the center of the fixed plate (2) body and is connected and fixed with the center of the side plate (3), a winding wheel (5) is provided between the two side plates (3), a traction line (6) is wound around the wheel body of the winding wheel (5), a slide groove (10) is provided on the body of one of the fixed plates (2), a limit plate (15) is movably inserted inside the groove body of the slide groove (10), A connecting shaft (11) is provided at one end of the limiting plate (15), a positioning plate (13) is provided at one end of the connecting shaft (11), a spring (12) is sleeved on the shaft body of the connecting shaft (11), one end of the spring (12) is pressed against one side of the positioning plate (13), and the end of the spring (12) away from the positioning plate (13) is connected and fixed to the plate body of the fixing plate (2), a rotating shaft (16) is provided at one end of the connecting shaft (11) away from the positioning plate (13), a sleeve (17) is rotatably sleeved on the shaft body of the rotating shaft (16), a handle (18) is provided on the side of the sleeve (17), a fixing hook (19) is provided on one side of the fixing plate (2), and the fixing hook (19) is hooked on the handle (18).

2. A minimally invasive traction device for gastrointestinal tumors according to claim 1, characterized in that: The side plate (3) is circular in design, a rotating shaft is provided at the center of the side plate (3), and one end of the rotating shaft provided at the center of the side plate (3) is movably arranged through the center of the fixed plate (2), and a rack (4) is provided on the side of the side plate (3), and a plurality of racks (4) are distributed in an annular manner on the side of the side plate (3).

3. The minimally invasive traction device for gastrointestinal tumors according to claim 1, characterized in that: The upward working surface of the bottom plate (1) is provided with a support rod (7), the top end of the support rod (7) is provided with a limit ring (8), and the limit ring (8) is movably sleeved on the traction line (6).

4. The minimally invasive traction device for gastrointestinal tumors according to claim 1, characterized in that: The positioning plate (13) is designed to be arc-shaped, and the inner side of the positioning plate (13) is arranged close to the side of the side plate (3). The positioning plate (13) is adapted to the side of the side plate (3). A rack gear 2 (14) is provided, and a plurality of the rack gears 2 (14) are evenly distributed on the inner side of the positioning plate (13). Furthermore, the plurality of racks 2 (14) and the plurality of racks 1 (4) can mesh with each other.