Two-channel choledochoscope used for ERCP operation
By improving the insertion block and restriction groove design of the choleposcopy and using the spring reset mechanism, the problem of insolid connection of the traditional choleposcopy is solved, more reliable pipe connection is achieved, and the safety of ERCP surgery is improved.
Patent Information
- Application Number
- CN202422052167.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The traditional choledoscopy used in ERCP surgery is not firm in the clamping method, resulting in reduced safety of the device, easy to loosen and fall off, affecting the smooth progress of the operation.
A new splicing method is adopted, through the combined design of insertion blocks, restriction grooves, restriction bumps and restriction springs, it ensures that the pipe is not easy to fall off after insertion, and a firm connection is achieved using the elastic reset mechanism.
It improves the safety of the use of cholangioscopy, reduces the risk of loosening and falling out of the pipe, reduces the potential damage to the patient's gastrointestinal tissue, and reduces the probability of complications.
Smart Images
Figure CN223262908U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical instruments, in particular to a double-channel choledochoscope used for ERCP surgery. Background Art
[0002] With the development of medical technology, choledochoscope is an indispensable and important tool in ERCP surgery. As an important medical examination and treatment tool, choledochoscope plays a key role in the diagnosis and treatment of biliary diseases.
[0003] However, traditional choledochoscopes used for ERCP surgery have many problems in design and connection methods, especially the connection structure using a snap-on method. The snap-on method used in traditional devices has shown obvious instability in actual applications, and the snap-on parts are prone to loosening. Especially during the surgical operation, the frequent movement and rotation of the instrument may cause the connection of the snap-on parts to fail, affecting the smooth progress of the operation, thereby greatly reducing the safety of the device.
[0004] Therefore, it is necessary to provide a double-channel choledochoscope for ERCP surgery to solve the above technical problems. Utility Model Content
[0005] The utility model provides a double-channel choledochoscope for ERCP surgery, which solves the problem that the clamping method of the traditional device is not firm, resulting in greatly reduced safety in the use of the device.
[0006] In order to solve the above technical problems, the utility model provides a double-channel choledochoscope for ERCP surgery, including: a device body, a device fixing block is fixedly connected to the device body, a second pipe is provided on the device body, an insertion block is fixedly connected to the second pipe, a limiting groove is provided on the insertion block, a pressing groove is provided on the device fixing block, a limiting fixing block is fixedly connected to the pressing groove, a pressing connecting rod is slidably connected to the limiting fixing block, a limiting spring is provided on the pressing connecting rod, a pressing limiting block is fixedly connected to the pressing connecting rod, a mounting block is fixedly connected to the pressing connecting rod, a mounting groove is provided on the mounting block, a limiting protrusion is fixedly connected to the mounting groove, and a pressing block is fixedly connected to the pressing connecting rod.
[0007] Preferably, a cleaning ring is provided on the main body of the device, a rotating bearing is provided on the cleaning ring, a rotating connecting block is provided on the rotating bearing, a fixed sliding rod is fixedly connected to the rotating connecting block, a cleaning pad is fixedly connected to the rotating connecting block, and the rotating connecting block is rotatably connected to the cleaning ring through the rotating bearing.
[0008] Preferably, a protective tube is provided on the device body, a rotating slide groove is provided on the protective tube, and the rotating slide groove is slidably connected to the fixed slide rod.
[0009] Preferably, a top plate is fixedly connected to the protection tube, a first pipe is provided on the device body, and the pressing block is slidably connected to the top plate.
[0010] Preferably, a slot is provided on the top plate, and the second pipe is plugged into the slot.
[0011] Preferably, one end of the limiting spring is fixedly connected to the limiting fixing block, and the other end of the limiting spring is fixedly connected to the pressing limiting block.
[0012] Preferably, the insert block is slidably connected to the mounting slot.
[0013] Compared with related technologies, the double-channel choledochoscope for ERCP surgery provided by the present invention has the following beneficial effects:
[0014] The present invention provides a double-channel choledochoscope for ERCP surgery. When using the device, the insert block can be first aligned with the mounting slot and then inserted. At this time, the insert block will squeeze the limiting protrusion, and the limiting protrusion will drive the limiting spring to move. When the insert block moves to a certain position, the limiting spring will use elastic force to push the limiting protrusion into the limiting slot to prevent it from falling off. When the second pipe needs to be removed, it is only necessary to press the pressing block downward. The device adopts a new splicing method instead of the traditional clip-on method. The device can provide a more reliable and firm connection, and can effectively prevent the pipe from loosening or falling off during use, reduce the potential damage to the patient's gastrointestinal tissue due to pipe falling off, reduce the probability of complications, ensure the safety of endoscopic operation, and thus achieve the effect of improving the safety of device use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a double-channel choledochoscope for ERCP surgery provided by the present invention;
[0016] Figure 2 for Figure 1 The internal structure diagram of the device shown;
[0017] Figure 3 for Figure 2 A schematic cross-sectional view of a fixing block of the device shown;
[0018] Figure 4 for Figure 1 Schematic diagram of the cleaning ring structure shown;
[0019] Figure 5 for Figure 3 An enlarged schematic diagram of part A is shown.
[0020] Numbers in the figure: 1. Device body, 2. Cleaning ring, 3. Rotating connecting block, 4. Protective tube, 5. Rotating slide, 6. Cleaning cushion, 7. Pressing block, 8. First pipe, 9. Top plate, 10. Device fixing block, 11. Slot, 12. Second pipe, 13. Limiting groove, 14. Insert block, 15. Pressing connecting rod, 16. Rotating bearing, 17. Fixed slide, 18. Mounting block, 19. Mounting groove, 20. Limiting protrusion, 21. Limiting Guda block, 22. Limiting spring, 23. Pressing limiting block, 24. Pressing slide. DETAILED DESCRIPTION
[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a double-channel choledochoscope for ERCP surgery provided by the present invention; Figure 2 for Figure 1 The internal structure diagram of the device shown; Figure 3 for Figure 2 A schematic cross-sectional view of a fixing block of the device shown; Figure 4 for Figure 1 Schematic diagram of the cleaning ring structure shown; Figure 5 for Figure 3 A double-channel choledochoscope for ERCP surgery comprises: a device body 1, a device fixing block 10 fixedly connected to the device body 1, a second pipe 12 provided on the device body 1, an insert block 14 fixedly connected to the second pipe 12, a limiting groove 13 provided on the insert block 14, a pressing groove 24 provided on the device fixing block 10, a limiting fixing block 21 fixedly connected to the pressing groove 24, a pressing connecting rod 15 slidably connected to the limiting fixing block 21, and a limiting spring provided on the pressing connecting rod 15. 22. A pressing limiting block 23 is fixedly connected to the pressing connecting rod 15. A mounting block 18 is fixedly connected to the pressing connecting rod 15. A mounting groove 19 is provided on the mounting block 18. A limiting protrusion 20 is fixedly connected to the mounting groove 19. A pressing block 7 is fixedly connected to the pressing connecting rod 15. The limiting spring 22 has the function of using elastic force to assist the mounting block 18 to reset. The limiting protrusion 20 has the function of limiting the plug-in block 14, and can limit the plug-in block 14 after it enters the mounting groove 19 to prevent it from falling off.
[0023] A cleaning ring 2 is provided on the device body 1, and a rotating bearing 16 is provided on the cleaning ring 2. A rotating connecting block 3 is provided on the rotating bearing 16. A fixed slide rod 17 is fixedly connected to the rotating connecting block 3. A cleaning pad 6 is fixedly connected to the rotating connecting block 3. The rotating connecting block 3 is rotatably connected to the cleaning ring 2 through the rotating bearing 16. The cleaning pad 6 located at the port has the function of cleaning dirt on the surface of the device after use, so that the device can always be kept clean.
[0024] The device body 1 is provided with a protection tube 4 , on which a rotation slide 5 is provided. The rotation slide 5 is slidably connected to a fixed slide rod 17 . The protection tube 4 has the function of protecting two pipes.
[0025] The protection tube 4 is fixedly connected to a top plate 9 , the device body 1 is provided with a first pipe 8 , the pressing block 7 is slidably connected to the top plate 9 , and the pressing block 7 has the function of facilitating the disassembly of the second pipe 12 .
[0026] The top plate 9 is provided with a slot 11 , and the second pipe 12 is plugged into the slot 11 . The slot 11 facilitates the splicing of the second pipe 12 .
[0027] One end of the limiting spring 22 is fixedly connected to the limiting fixing block 21 , and the other end of the limiting spring 22 is fixedly connected to the pressing limiting block 23 . The pressing limiting block 23 has the function of preventing the pressing connecting rod 15 from being separated from the limiting fixing block 21 .
[0028] The insert block 14 is slidably connected to the mounting groove 19 , and the insert block 14 facilitates the splicing of the second pipe 12 .
[0029] The working principle of the double-channel choledochoscope for ERCP surgery provided by the present invention is as follows:
[0030] When using this device, you can first align the insert block 14 with the mounting groove 19, and then press the second pipe 12. At this time, the second pipe 12 will be stuck in the slot 11. When the insert block 14 is inserted into the mounting groove 19, the insert block 14 will squeeze the limiting protrusion 20. At this time, the limiting protrusion 20 will drive the mounting block 18 to move downward, and the mounting block 18 will drive the pressing connecting rod 15 to move downward. At this time, the pressing connecting rod 15 will drive the pressing limiting block 23 to move. At this time, the pressing limiting block 23 will drive the limiting spring 22 to move. When the insert block 14 moves to a certain position, the limiting spring 22 will use its elastic force to push the pressing limiting block 23 to reset. At this time, the pressing limiting block 23 will drive the pressing connecting rod 15 to reset. The pressing connecting rod 15 will drive the mounting block 18 to reset. At this time, the mounting block 18 will drive the limiting protrusion 20 to enter the limiting groove 13, restricting the insert block 14 to prevent it from falling off. When you need to remove the second pipe 12, you only need to press the pressing block 7 downward.
[0031] Compared with related technologies, the double-channel choledochoscope for ERCP surgery provided by the present invention has the following beneficial effects:
[0032] The present invention provides a double-channel choledochoscope for ERCP surgery. When using this device, the insert block 14 can be aligned with the mounting groove 19 and then inserted. At this time, the insert block 14 will squeeze the limiting protrusion 20. At this time, the limiting protrusion 20 will drive the limiting spring 22 to move. When the insert block 14 moves to a certain position, the limiting spring 22 will use elastic force to push the limiting protrusion 20 into the limiting groove 13 to prevent it from falling off. When the second pipe 12 needs to be removed, it is only necessary to press the pressing block 7 downward. This device adopts a new splicing method instead of the traditional snap-on method. This device can provide a more reliable and firm connection, and can effectively prevent the pipe from loosening or falling off during use, reduce the potential damage to the patient's gastrointestinal tissue due to pipe falling off, reduce the probability of complications, ensure the safety of endoscopic operation, and thus achieve the effect of improving the safety of device use.
[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A double-channel choledochoscope for ERCP surgery, characterized in that: include: The main body of the device is fixedly connected to a device fixing block, the main body of the device is provided with a second pipe, the second pipe is fixedly connected to an insertion block, the insertion block is provided with a limiting groove, the device fixing block is provided with a pressing slide groove, the pressing slide groove is fixedly connected to a limiting fixing block, the limiting fixing block is slidably connected to a pressing connecting rod, the pressing connecting rod is provided with a limiting spring, the pressing connecting rod is fixedly connected to a pressing limiting block, the pressing connecting rod is fixedly connected to a mounting block, the mounting block is provided with a mounting groove, the mounting groove is fixedly connected to a limiting protrusion, and the pressing connecting rod is fixedly connected to a pressing block.
2. A double-channel choledochoscope for ERCP surgery according to claim 1, characterized in that: The device body is provided with a cleaning ring, a rotating bearing is provided on the cleaning ring, a rotating connecting block is provided on the rotating bearing, a fixed sliding rod is fixedly connected to the rotating connecting block, a cleaning pad is fixedly connected to the rotating connecting block, and the rotating connecting block is rotatably connected to the cleaning ring through the rotating bearing.
3. A double-channel choledochoscope for ERCP surgery according to claim 2, characterized in that: A protection tube is provided on the device body. A rotation slide groove is provided on the protection tube. The rotation slide groove is slidably connected to the fixed slide rod.
4. A double-channel choledochoscope for ERCP surgery according to claim 3, characterized in that: The protection tube is fixedly connected with a top plate, the device body is provided with a first pipeline, and the pressing block is slidably connected with the top plate.
5. A double-channel choledochoscope for ERCP surgery according to claim 4, characterized in that: A slot is provided on the top plate, and the second pipe is plugged into the slot.
6. A double-channel choledochoscope for ERCP surgery according to claim 1, characterized in that: One end of the limiting spring is fixedly connected to the limiting fixing block, and the other end of the limiting spring is fixedly connected to the pressing limiting block.
7. A double-channel choledochoscope for ERCP surgery according to claim 1, characterized in that: The inserting block is slidably connected to the mounting slot.