Device for taking out foreign matters in digestive tract
By designing a foreign matter removal device in the digestive tract including a flexible catheter, a sliding chute, an inner sliding tube and a clamping claw, the problem of difficulty in grasping and secondary damage during the removal of irregular sharp foreign matter in the prior art is solved, and convenient removal and safe fixation of irregular foreign matter is achieved.
Patent Information
- Application Number
- CN202421221031.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Existing foreign object removal devices in the digestive tract are difficult to grasp when dealing with irregular sharp foreign objects, and may cause secondary damage during the removal process.
A foreign object removal device in the digestive tract is designed, including a flexible catheter, a handle, a slide chute, a connecting spring, an expansion block, an inner sliding tube, a limit ring, a clamping claw and a limit spring. By pushing the inner slide tube, the expansion block slides in the slide groove, the clamping claws open and grab the foreign object under the push of the fixing spring, and reset to fix the foreign object after the grasping is completed.
The device can easily remove irregular sharp foreign objects, reducing the risk of secondary damage during the removal process.
Smart Images

Figure CN222676406U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical supplies, in particular to a device for removing foreign bodies from the digestive tract. Background Art
[0002] Endoscopic gastrointestinal foreign body removal is a treatment method that uses endoscope to remove foreign bodies in the digestive tract. This operation is a radical surgery of the digestive tract system, including emergency endoscopic foreign body removal and elective endoscopic foreign body removal. The former is to remove larger or irregular, long, sharp and toxic foreign bodies, and the latter is mainly to remove small and smooth foreign bodies.
[0003] After searching, the Chinese patent authorization number CN220676096U discloses a foreign body removal device for the digestive tract, comprising: a hose; a soft shaft, the soft shaft is slidably mounted on the inner wall of the hose; a shell, the shell is fixedly mounted on one end of the hose; a retrieval tube, the retrieval tube is fixedly sleeved on one end of the hose; a slider, the slider is slidably mounted on the inner wall of the retrieval tube, the slider is fixedly connected to one end of the soft shaft; a foreign body detection mechanism, the foreign body detection mechanism is arranged at the bottom of the slider; a detection mechanism, the detection mechanism is arranged at the bottom of the slider; a push-pull mechanism, the push-pull mechanism is arranged on the inner wall of the shell; the foreign body removal device for the digestive tract in the above patent has the following shortcomings: some irregular and sharp foreign bodies are not easy to grasp during removal, and secondary injuries may be caused during the removal process. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that some irregular sharp foreign bodies are difficult to grasp when being taken out, and proposes a foreign body removal device in the digestive tract.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A device for removing foreign bodies from the digestive tract comprises a flexible catheter and a handle fixedly connected to the top of the flexible catheter, and further comprises: a slide groove, which is arranged at the end of the flexible catheter away from the handle, a connecting spring fixedly connected to the inner wall of the slide groove, and an expansion block fixedly connected to the end of the connecting spring away from the inner wall of the slide groove; an inner slide tube, which is slidably connected to the inside of the flexible catheter, and a limiting ring fixedly connected to the outer wall of the inner slide tube; a clamping claw, which is rotatably connected to the inside of the inner slide tube; a receiving groove, which is arranged inside the flexible catheter, a limiting spring fixedly connected to the inner wall of the receiving groove, and the limiting spring is fixedly connected to the limiting ring at one end away from the inner wall of the receiving groove.
[0007] Furthermore, a connecting column is fixedly connected to the outer wall of the handle, and the connecting column is slidably connected to the inner sliding tube.
[0008] Furthermore, a sliding block is slidably connected inside the inner sliding tube, an outer wall of the sliding block is fixedly connected to a connecting column, and an end of the sliding block away from the connecting column is fixedly connected to a fixing column.
[0009] Furthermore, a through hole is formed on the outer wall of the inner sliding tube, and the through hole is slidably connected to the fixing column.
[0010] Furthermore, a connecting hole is provided on the outer wall of the inner sliding tube, and a clamping claw is rotatably connected to the inner wall of the connecting hole.
[0011] Furthermore, one end of the slider away from the connecting column is configured as a cone, and an outer wall of the slider cone is slidably connected to one end of the clamping claw away from the expansion block.
[0012] Furthermore, a limiting groove is provided on the inner wall of the inner sliding tube, a fixing spring is fixedly connected to the inner wall of the limiting groove, and one end of the fixing spring away from the inner wall of the limiting groove is fixedly connected to the clamping claw.
[0013] Compared with the prior art, the utility model provides a device for removing foreign bodies from the digestive tract, which has the following beneficial effects:
[0014] 1. The device for removing foreign bodies in the digestive tract pushes the inner sliding tube to slide and squeeze the expansion block, so that the expansion block slides inside the slide groove through the squeezing of the connecting spring, thereby conveniently removing irregular sharp foreign bodies.
[0015] 2. The device for removing foreign bodies in the digestive tract pushes the inner sliding tube while the slider slides relatively, so that the clamping claw opens under the push of the fixed spring to grab the foreign body. After the grabbing is completed, the push on the inner sliding tube is released, and the inner sliding tube is reset under the action of the limit spring, so that the foreign body is fixed under the action of the clamping claw and the fixed column, avoiding falling during the removal process and causing secondary injury. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional main structural diagram of a digestive tract foreign body removal device proposed by the utility model;
[0017] Figure 2 This is a schematic structural diagram of a limiting ring portion of a foreign body removal device for the digestive tract proposed by the utility model;
[0018] Figure 3 This is a schematic structural diagram of a cross-sectional view of a flexible catheter of a foreign body removal device for the digestive tract proposed by the utility model;
[0019] Figure 4 This is a schematic structural diagram of a fixed column part of a foreign body removal device for the digestive tract proposed by the utility model;
[0020] Figure 5 This is a schematic structural diagram of a cross-section of an inner sliding tube in a foreign body removal device for the digestive tract proposed by the utility model;
[0021] Figure 6 The utility model is a schematic diagram of the structure of the connecting hole part of the digestive tract foreign body removal device.
[0022] In the figure: 1. flexible conduit; 2. handle; 3. expansion block; 4. slide groove; 5. connecting spring; 6. inner slide tube; 7. limit ring; 8. receiving groove; 9. limit spring; 10. connecting column; 11. slider; 12. fixing column; 13. limit groove; 14. through hole; 15. connecting hole; 16. clamping claw; 17. fixing spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0025] Reference Figure 1-Figure 6 , a device for removing foreign bodies in the digestive tract, comprises a flexible catheter 1 and a handle 2 fixedly connected to the top of the flexible catheter 1, and also comprises a slide groove 4 opened at the end of the flexible catheter 1 away from the handle 2, the inner wall of the slide groove 4 is fixedly connected with a connecting spring 5, and the end of the connecting spring 5 away from the inner wall of the slide groove 4 is fixedly connected with an expansion block 3, the flexible catheter 1 is slidably connected with an inner slide tube 6, the outer wall of the inner slide tube 6 is fixedly connected with a limiting ring 7, and the inner slide tube 6 is rotatably connected with a clamping claw 16, a receiving groove 8 is opened inside the flexible catheter 1, and the inner wall of the receiving groove 8 is fixedly connected with a limiting spring 9, and the end of the limiting spring 9 away from the inner wall of the receiving groove 8 is fixedly connected to the limiting ring 7, and the inner slide tube 6 is pushed to slide the inner slide tube 6 to squeeze the expansion block 3, so that the expansion block 3 slides inside the slide groove 4 through the squeezing of the connecting spring 5, thereby conveniently removing irregular sharp foreign bodies.
[0026] A connecting column 10 is fixedly connected to the outer wall of the handle 2 , and the connecting column 10 is slidably connected to the inner sliding tube 6 .
[0027] A slider 11 is slidably connected inside the inner sliding tube 6, and the outer wall of the slider 11 is fixedly connected to the connecting column 10. The end of the slider 11 away from the connecting column 10 is fixedly connected to the fixing column 12. By pressing the inner sliding tube 6, the slider 11 and the inner sliding tube 6 can slide relative to each other while driving the expansion block 3 to slide.
[0028] A through hole 14 is formed on the outer wall of the inner sliding tube 6 , and the through hole 14 is slidably connected to the fixing column 12 , so that the fixing column 12 can cooperate with the clamping claw 16 to grab foreign objects.
[0029] A connecting hole 15 is formed on the outer wall of the inner sliding tube 6 , and a clamping claw 16 is rotatably connected to the inner wall of the connecting hole 15 .
[0030] The end of the slider 11 away from the connecting column 10 is set as a cone, and the outer wall of the cone of the slider 11 is slidably connected to the end of the clamping claw 16 away from the expansion block 3. The opening and closing of the clamping claw 16 can be adjusted by sliding the slider 11.
[0031] A limiting groove 13 is formed on the inner wall of the inner sliding tube 6 , and a fixing spring 17 is fixedly connected to the inner wall of the limiting groove 13 . One end of the fixing spring 17 away from the inner wall of the limiting groove 13 is fixedly connected to the clamping claw 16 .
[0032] In the utility model, the inner sliding tube 6 is pushed to slide and squeeze the expansion block 3, so that the expansion block 3 slides inside the slide groove 4 through the squeezing of the connecting spring 5, so that irregular sharp foreign objects can be conveniently taken out, and the slider 11 slides relatively while the inner sliding tube 6 is pushed, so that the clamping claw 16 opens under the push of the fixing spring 17 to grab the foreign object, and the push on the inner sliding tube 6 is released after the grabbing is completed, so that the inner sliding tube 6 is reset under the action of the limit spring 9, so that the foreign object is fixed under the action of the clamping claw 16 and the fixing column 12, so as to avoid falling during the removal process and causing secondary injury.
[0033] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A foreign body removal device for the digestive tract, comprising a flexible catheter (1) and a handle (2) fixedly connected to the upper part of the flexible catheter (1), characterized in that: Also includes: A slide groove (4) is provided at an end of the flexible conduit (1) away from the handle (2), a connecting spring (5) is fixedly connected to the inner wall of the slide groove (4), and an expansion block (3) is fixedly connected to the end of the connecting spring (5) away from the inner wall of the slide groove (4); An inner sliding tube (6) is slidably connected inside the flexible conduit (1), and a limiting ring (7) is fixedly connected to the outer wall of the inner sliding tube (6); A clamping claw (16) rotatably connected to the interior of the inner sliding tube; The receiving groove (8) is provided inside the flexible conduit (1), the inner wall of the receiving groove (8) is fixedly connected to a limit spring (9), and one end of the limit spring (9) away from the inner wall of the receiving groove (8) is fixedly connected to a limit ring (7).
2. The digestive tract foreign body removal device according to claim 1, characterized in that: A connecting column (10) is fixedly connected to the outer wall of the handle (2), and the connecting column (10) is slidably connected to the inside of the inner sliding tube (6).
3. The digestive tract foreign body removal device according to claim 1, characterized in that: A slider (11) is slidably connected inside the inner sliding tube (6), an outer wall of the slider (11) is fixedly connected to a connecting column (10), and an end of the slider (11) away from the connecting column (10) is fixedly connected to a fixing column (12).
4. The device for removing foreign bodies from the digestive tract according to claim 1, characterized in that: A through hole (14) is provided on the outer wall of the inner sliding tube (6), and the through hole (14) is slidably connected to the fixing column (12).
5. The device for removing foreign bodies from the digestive tract according to claim 3, characterized in that: The outer wall of the inner sliding tube (6) is provided with a connecting hole (15), and the inner wall of the connecting hole (15) is rotatably connected with a clamping claw (16).
6. The device for removing foreign bodies from the digestive tract according to claim 5, characterized in that: The end of the slider (11) away from the connecting column (10) is configured as a cone, and the outer wall of the cone of the slider (11) is slidably connected to the end of the clamping claw (16) away from the expansion block (3).
7. The device for removing foreign bodies from the digestive tract according to claim 6, characterized in that: The inner wall of the inner sliding tube (6) is provided with a limiting groove (13), the inner wall of the limiting groove (13) is fixedly connected with a fixing spring (17), and one end of the fixing spring (17) away from the inner wall of the limiting groove (13) is fixedly connected to the clamping claw (16).
Citation Information
Patent Citations
Digestive tract foreign body taking-out device
CN220676096U