Device for grinding optical fiber end face at lens end of choledochoscope

Abstract

The utility model provides a choledochoscope lens end optical fiber end face grinding device which comprises a support assembly and a clamping assembly, the support assembly is fixedly connected with an optical fiber grinding machine, a rotating shaft is arranged on the support assembly and arranged in the direction perpendicular to the working face of the optical fiber grinding machine, and the clamping assembly is fixed to a rotating plate. One end of the rotating plate is rotationally connected with the rotating shaft, and the other end extends away from the rotating shaft; the clamping assembly comprises a sliding rail, a first clamp and a second clamp, and a part containing groove used for containing the choledochoscope is formed between the first clamp and the second clamp. A guide rail groove used for containing part of the rotating plate is formed in the side, close to the clamping assembly, of the support assembly. A handle is arranged on the outer side of the clamping assembly, and one end of the handle is rotationally connected with the rotating plate. And one of the first clamp and the second clamp is provided with a synchronous block which is used for driving the first clamp and the second clamp to synchronously open and close when the handle rotates along the rotating surface, so that the choledochoscope is conveniently and stably clamped for grinding operation.

Description

Technical Field

[0001] This application relates to the field of medical devices, and particularly to a device for grinding the end face of the optical fiber at the lens end of a choledochoscope. Background Art

[0002] In the medical field, a choledochoscope is an important diagnostic tool, which is widely used in the examination and treatment of biliary tract diseases. The quality of the end face of the optical fiber at its lens end directly affects the image clarity and surgical effect during the operation. The flatness and light transmittance of the optical fiber end face are the core factors determining the image quality, and these characteristics largely depend on the accuracy and consistency of the grinding process.

[0003] Traditional grinding of the end face of the optical fiber at the lens end of a choledochoscope mostly adopts the method of manual grinding. This method requires the operator to hold the choledochoscope by hand for a long time and press it on the optical fiber grinding machine for grinding. However, this traditional manual grinding method has many deficiencies. First, long-term operation is likely to cause operator fatigue, affecting the stability and consistency of grinding; second, it is very difficult to ensure the flatness and consistency of the end face by manual grinding, thus affecting the light transmittance and imaging quality of the choledochoscope; finally, the efficiency of manual grinding is low and cannot meet the requirements of modern medical fields for high-efficiency and precision medical devices.

[0004] Therefore, in order to solve the many problems existing in manual grinding and improve the grinding quality and efficiency of the end face of the optical fiber at the lens end of a choledochoscope, it is particularly important to develop a device that can replace manual grinding and achieve automated, high-efficiency, and precision grinding. Summary of the Utility Model

[0005] The embodiments of this application provide a device for grinding the end face of the optical fiber at the lens end of a choledochoscope to solve the problem that the efficiency of manual grinding is low and cannot meet the requirements of modern medical fields for high-efficiency and precision medical devices.

[0006] The embodiments of this application provide a device for grinding the end face of the optical fiber at the lens end of a choledochoscope, including a bracket assembly and a clamping assembly. The bracket assembly is fixedly connected to the optical fiber grinding machine through an installation hole. A rotating shaft is provided on the bracket assembly, and the rotating shaft is arranged in a direction perpendicular to the working surface of the optical fiber grinding machine. The clamping assembly is fixed on a rotating plate. One end of the rotating plate is rotatably connected to the rotating shaft, and the other end extends in a direction away from the rotating shaft;

[0007] The clamping assembly includes a slide rail, a first clamp, and a second clamp. The slide rail is laid on the rotating plate in a direction away from the rotating shaft. The first clamp and the second clamp are respectively slidably connected to the slide rail. A part placement groove for accommodating the choledochoscope is formed between the first clamp and the second clamp; a guide rail groove for accommodating a part of the rotating plate is provided on one side of the bracket assembly close to the clamping assembly;

[0008] A handle is provided on the outer side of the clamping assembly. One end of the handle is rotatably connected to the rotating plate, and the other end is on the same side as the first clamp or the second clamp.

[0009] One of the first clamp and the second clamp is provided with a synchronization block. One end of the synchronization block is fixed to the first clamp or the second clamp, and the other end is detachably connected to the clamp on the opposite side, so as to drive the first clamp and the second clamp to open and close synchronously when the handle rotates along the rotation surface.

[0010] In a feasible implementation manner, the bracket assembly includes a detent screw. A groove is provided below the connection end of the handle and the rotating plate, and the rotating plate is locked by embedding the detent screw into the groove.

[0011] In a feasible implementation manner, the angle of rotation of the rotating plate along the rotation axis is 0° - 90°.

[0012] In a feasible implementation manner, a spring fixing seat is provided at the top of the clamping assembly. A spring fixing rod is embedded in the spring fixing seat, a spring is sleeved on the spring fixing rod, and a spring limiting block sleeved on the spring fixing rod is provided at the top of the spring.

[0013] In a feasible implementation manner, a through hole is provided on the handle, and a screw penetrates through the through hole and contacts the spring fixing seat when the handle rotates to a relative position.

[0014] In a feasible implementation manner, concave structures are respectively provided on the first clamp, the second clamp and the inner side of the clamping assembly, and elastic elements are embedded in the concave structures.

[0015] In a feasible implementation manner, the mounting hole is threadedly connected to the screw of the optical fiber grinding machine, and the hole on the rotating plate is connected to the rotating axis through a bearing.

[0016] In a feasible implementation manner, the synchronization block is provided with a through hole and is connected to the first clamp or the second clamp on the opposite side through a screw.

[0017] A device for grinding the end face of the optical fiber at the lens end of a choledochoscope provided by an embodiment of the present application ensures that the first fixture and the second fixture can be opened and closed synchronously and evenly through a synchronous opening and closing mechanism (synchronous block), enabling the choledochoscope lens to be accurately aligned during placement, avoiding the deviation and inconsistency that may be introduced by manual operation, and thus greatly improving the flatness and docking accuracy of the optical fiber end face after grinding. The rotating design of the handle allows the operator to easily complete a series of actions such as unlocking, rotating, and relocking the clamping assembly without complex manual adjustment, greatly reducing the labor intensity of the operator and improving work efficiency. At the same time, the spring-loading mechanism automatically applies appropriate pressure to ensure stable contact during the grinding process, reducing the need for human intervention. The rotating plate can rotate freely within the range of 0° to 90°. This design not only facilitates the loading and positioning of the choledochoscope but also enables the device to adapt to choledochoscope lenses of different sizes and shapes, increasing the versatility and application range of the device. The bead screw locking system ensures the stable fixation of the clamping assembly during the grinding process, avoiding displacement caused by vibration and improving the stability of processing. At the same time, the threaded connection between the bracket assembly and the optical fiber grinding machine and the bearing connection between the rotating shaft and the rotating plate enhance the overall structural stability and durability. Through modular design, such as the easily detachable structure of the spring assembly and the detachable connection design of the synchronous block, it is convenient for daily cleaning, inspection, and maintenance, extending the service life of the device and reducing the maintenance cost. The present application not only realizes the automation and standardization of grinding the end face of the optical fiber at the lens end of the choledochoscope but also fully considers the convenience of operation, the flexibility of the device, and the economic practicality while improving the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the device for grinding the end face of the optical fiber at the lens end of the choledochoscope provided by the present application;

[0019] Figure 2 is Figure 1 a schematic structural diagram of the bracket assembly in

[0020] Figure 3 is Figure 1 a schematic structural diagram of the clamping assembly in

[0021] Figure 4 is Figure 1 a left view of the clamping assembly in

[0022] DESCRIPTION OF REFERENCE NUMERALS:

[0023] 1 - Bracket assembly; 2 - Clamping assembly; 3 - Mounting hole; 4 - Rotating shaft; 5 - Bead screw; 6 - Rotating plate; 7 - Slide rail; 8 - Spring fixing rod; 9 - Spring limit block; 10 - Spring; 11 - Spring fixing seat; 12 - First fixture; 13 - Handle; 14 - Synchronous block; 15 - Second fixture; 16 - Part placement groove. Detailed implementation manners

[0024] In order to enable those skilled in the art to better understand the technical solutions in this application, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of this application.

[0025] For the traditional optical fiber end face grinding of the choledochoscope lens end, a manual grinding method is mostly used. This method requires the operator to hold the choledochoscope for a long time and press it on the optical fiber grinding machine for grinding. However, this traditional manual grinding method has various deficiencies. First, long-term operation is likely to cause operator fatigue, affecting the stability and consistency of grinding. Second, it is very difficult to ensure the flatness and consistency of the end face by manual grinding, thus affecting the light transmittance and imaging quality of the choledochoscope. Finally, the efficiency of manual grinding is low and cannot meet the requirements of the modern medical field for high-efficiency and precise medical devices.

[0026] A device for grinding the end face of the optical fiber at the lens end of a choledochoscope according to the present application comprises two parts: a bracket assembly 1 and a clamping assembly 2. The bracket assembly 1 is tightly connected to the screw of the optical fiber grinding machine through the mounting hole 3, ensuring the stability of the device. A rotating shaft 4 is arranged on the bracket assembly 1. The rotating shaft 4 is perpendicular to the working surface of the optical fiber grinding machine, providing support for the rotation of the clamping assembly 2. The clamping assembly 2 is firmly mounted on the rotating plate 6. One end of the rotating plate 6 is connected to the rotating shaft 4 through a bearing, enabling it to rotate flexibly. The other end of the rotating plate 6 extends away from the rotating shaft 4, providing sufficient operating space. The clamping assembly 2 also adopts a slide rail design. A first clamp 12 and a second clamp 15 are slidably connected to the slide rail 7. An accurate part placement groove 16 is formed between the two clamps for placing the choledochoscope. At the same time, the first clamp 12 or the second clamp 15 is provided with a synchronizing block. Through the connection of the synchronizing block, it can be ensured that the two clamps can open and close synchronously during operation. A handle 13 is arranged on the outside of the clamping assembly 2. One end of the handle 13 is rotatably connected to the rotating plate 6, and the other end is on the same side as the clamp, facilitating the operator to adjust the position of the choledochoscope by rotating the handle 13. The operator only needs to gently rotate the handle 13 to make the clamping assembly 2 disengage from the pressing and positioning of the detent screw 5 and easily adjust the angle of the choledochoscope. Then, by pressing the synchronizing block 14, the clamp is opened, and the choledochoscope is placed into the part placement groove 16. After loading, the synchronizing block is released, and the clamp closes to fix the choledochoscope. Finally, the handle 13 is rotated downward to lock the clamping assembly again by the detent screw, and the grinding process can be started. A spring fixing seat 11 at the top of the clamping assembly 2 carries a spring fixing rod 8 and a spring 10, and is provided with a spring limiting block 9 to ensure stable spring pressure. A through hole on the handle 13 allows a screw to pass through and contact the spring fixing seat at a specific position. During the grinding process, the choledochoscope will be subjected to the downward pressure of the spring 10 to ensure its stability during the grinding process.

[0027] The following will describe in detail the specific structure of a device for grinding the end face of the optical fiber at the lens end of a choledochoscope provided by the present application with reference to the accompanying drawings.

[0028] Refer to Figures 1-4 As shown in the figure, an embodiment of the present application provides a device for grinding the end face of the optical fiber at the lens end of a choledochoscope, including a bracket assembly 1 and a clamping assembly 2. The bracket assembly 1 is fixedly connected to the optical fiber grinding machine through a mounting hole 3. A rotating shaft 4 is provided on the bracket assembly 1. The rotating shaft 4 is arranged in a direction perpendicular to the working surface of the optical fiber grinding machine for supporting the rotation of the rotating plate 6. The clamping assembly 2 is fixed on the rotating plate 6. One end of the rotating plate 6 is rotatably connected to the rotating shaft 4, and the other end extends away from the rotating shaft 4 to form an operating platform;

[0029] The clamping assembly 2 includes a slide rail 7, a first clamp 12 and a second clamp 15. The slide rail 7 is laid on the rotating plate 6 in a direction away from the rotating shaft 4. The first clamp 12 and the second clamp 15 are respectively slidably connected to the slide rail 7. A part placement groove 16 for accommodating the choledochoscope is formed between the first clamp 12 and the second clamp 15. On one side of the bracket assembly 1 close to the clamping assembly 2, there is a guide rail groove for accommodating part of the rotating plate 6, ensuring that the rotating plate 6 remains stable during rotation. Even during continuous operation or when processing a larger-sized lens, it can maintain stability, reduce vibration, and protect the equipment and the choledochoscope lens from damage.

[0030] A handle 13 is arranged on the outer side of the clamping assembly 2. One end of the handle 13 is rotatably connected to the rotating plate 6, and the other end is on the same side as the first clamp 12 or the second clamp 15.

[0031] One of the first clamp 12 and the second clamp 15 is provided with a synchronization block 14. One end of the synchronization block 14 is fixed to the first clamp 12 or the second clamp 15, and the other end is detachably connected to the clamp on the opposite side, for driving the first clamp 12 and the second clamp 15 to open and close synchronously when the handle 13 rotates along the rotation plane.

[0032] A device for grinding the fiber end face of the lens end of a choledochoscope provided by an embodiment of the present application enables an operator to conveniently clamp the lens end of the choledochoscope on the device, and through the first clamp 12, the second clamp 15 and the part placement groove 16, the accommodation of the choledochoscope is realized. The rotating plate 6 rotates to bring the lens end of the choledochoscope into contact with the working surface of the fiber optic grinding machine for precise grinding. This device has a simple structure, is easy to operate, and has stable clamping, and is suitable for the fiber end face grinding requirements of choledochoscope lens ends of various sizes, improving the grinding efficiency and grinding quality.

[0033] Refer to Figures 2-4 As shown, in some embodiments, the bracket assembly 1 includes a detent screw 5. There is a groove below the connection end of the handle 13 and the rotating plate 6, and the rotating plate 6 is locked by embedding the detent screw 5 into the groove.

[0034] When it is necessary to fix the choledochoscope in the grinding position, the operator first adjusts the angle and position of the choledochoscope to make it contact with the working surface of the grinding machine. Then, rotate the handle 13 to drive the rotating plate 6, and embed the detent screw 5 into the groove of the rotating plate 6 to lock the rotating plate 6. At this time, the choledochoscope will be stably fixed in the grinding position for grinding operation, which not only ensures the stability of the rotating plate but also prevents position deviation caused by vibration or external force during the grinding process.

[0035] Refer to Figure 1and Figure 3 As shown, in some embodiments, the angle at which the rotating plate 6 rotates along the rotating shaft 4 is 0° - 90°.

[0036] The rotating plate 6 is in the 0° position, that is, parallel to the working surface of the optical fiber grinding machine. At this time, the end of the choledochoscope lens can be conveniently placed in the part placement groove 16. By restricting the rotation angle of the rotating plate 6 within the range of 0° - 90°, it can be ensured that the end of the choledochoscope lens can accurately align with the working surface of the optical fiber grinding machine during the grinding process, thereby obtaining a better grinding effect. Although the rotation angle is restricted within the range of 0° - 90°, this range is still flexible enough to adapt to different grinding requirements. The operator can adjust the rotation angle according to the actual situation to obtain the best grinding effect. The design of 0° - 90° can prevent the rotating plate 6 from rotating excessively, thereby avoiding damage or accidents to the end of the choledochoscope lens during the grinding process, increasing the safety and reliability of the device. By restricting the rotation range, the probability of equipment damage caused by misoperation is reduced, the service life of the device is extended, and the maintenance cost is reduced. During the use process, the operator only needs to focus on selecting a suitable rotation angle without worrying about the potential hazards brought by excessive rotation. This design enables even novice users to quickly get started, reduces the training cost, and improves the overall work efficiency.

[0037] Refer to Figure 4 As shown, in some embodiments, a spring fixing seat 11 is provided at the top of the clamping assembly 2. The spring fixing rod 8 is embedded in the spring fixing seat 11, the spring 10 is sleeved on the spring fixing rod 8, and a spring limit block 9 sleeved on the spring fixing rod 8 is provided at the top of the spring 10.

[0038] A spring fixing seat 11 is provided at the top of the clamping assembly 2, providing a stable installation base for the spring 10. The spring fixing rod 8 is embedded in the spring fixing seat 11, and the spring 10 is sleeved on the spring fixing rod 8. To limit the telescopic range of the spring 10, a spring limit block 9 is provided at the top of the spring, and this limit block is also sleeved on the spring fixing rod 8. When the clamping assembly 2 clamps the choledochoscope during the grinding process, it will be subjected to the downward pressure of the spring 10 to ensure its stability during the grinding process. The end of the choledochoscope lens receives a uniform and appropriate pressure on the working surface of the grinding machine, ensuring the flatness and smoothness of the grinding surface, which is crucial for ensuring the optical fiber transmission efficiency and the image clarity during the operation.

[0039] Refer to Figure 3 and Figure 4 As shown, in some embodiments, through holes are provided on the handle 13, and the screw passes through the through holes and contacts the spring fixing seat 11 when the handle 13 rotates to the relative position.

[0040] When the operator rotates the handle 13 to clamp or release the choledochoscope with the first clamp 12 and the second clamp 15, the screw passing through the through-hole contacts the spring fixing seat 11 when the handle 13 rotates to the relative position. During the grinding process of the choledochoscope, it will be subjected to the downward pressure of the spring 10 to ensure its stability during the grinding process.

[0041] Refer to Figure 4 As shown, in some embodiments, concave structures are respectively provided inside the first clamp 12, the second clamp 15 and the clamping assembly 2, and the elastic elements are embedded in the concave structures.

[0042] The elastic elements in the inner grooves of the first clamp 12 and the clamping assembly 2 are different from the elastic elements in the inner grooves of the second clamp 15 and the clamping assembly 2, and the layout and shape of the elastic elements may also be adjusted according to the needs of the clamping force. For example, the elastic elements of the first clamp 12 may adopt a denser layout or a thicker material, while the elastic elements of the second clamp 15 may adopt a sparser layout or a thinner material. By using elastic elements with different forces, the device can adapt to the clamping requirements of choledochoscopes of different sizes and materials. Appropriate clamping force can ensure that the choledochoscope will not be damaged during the grinding process. The design of the adjustment mechanism enables the operator to easily adjust the clamping force, improving the operation efficiency and convenience.

[0043] Refer to Figures 1-2 As shown, in some embodiments, the mounting hole 3 is threadedly connected to the screw of the fiber optic grinding machine, and the hole on the rotating plate 6 is connected to the rotating shaft 4 through a bearing.

[0044] The mounting hole 3 on the bracket assembly 1 is designed as a threaded hole matching the screw of the fiber optic grinding machine, which enables the bracket assembly 1 to be conveniently fixed to the fiber optic grinding machine through threaded connection. Similarly, the hole on the rotating plate 6 is connected to the rotating shaft 4 through a bearing, and this connection method allows the rotating plate 6 to freely rotate around the rotating shaft 4 while maintaining a stable connection state.

[0045] Refer to Figure 1 and Figure 3 As shown, in some embodiments, the synchronizing block 14 is provided with a through-hole and is connected to the first clamp 12 or the second clamp 15 on the opposite side by a screw.

[0046] The through hole allows a screw to pass through, and the fixture on the opposite side, whether it is the first fixture 12 or the second fixture 15, is connected to the synchronization block 14 through the screw. Pressing the synchronization block 14 will drive the fixture on the opposite side to move synchronously, thereby realizing the synchronous opening and closing of the fixture. This synchronous movement mechanism ensures the coordination and consistency of the fixture during operation, avoiding imbalance and errors caused by unilateral operation. In addition, this design also improves work efficiency and reduces the operation difficulty. The operator only needs to press the synchronization block to easily control the opening and closing of the fixture, without operating the fixtures on both sides separately, thus greatly simplifying the operation process. At the same time, the synchronous movement mechanism ensures that the opening and closing speed and force of the fixture are consistent, improving the processing accuracy and product quality.

[0047] As recorded by the above technical features, the present application provides a device for grinding the end face of an optical fiber at the lens end of a choledochoscope, including a bracket assembly and a clamping assembly. The bracket assembly is fixedly connected to the optical fiber grinding machine through a mounting hole. A rotating shaft is provided on the bracket assembly, and the rotating shaft is arranged in a direction perpendicular to the working surface of the optical fiber grinding machine. The clamping assembly is fixed on a rotating plate, one end of the rotating plate is rotatably connected to the rotating shaft, and the other end extends in a direction away from the rotating shaft. The clamping assembly includes a slide rail, a first fixture, and a second fixture. The slide rail is laid on the rotating plate in a direction away from the rotating shaft. The first fixture and the second fixture are respectively slidably connected to the slide rail. A part placement groove for accommodating the choledochoscope is formed between the first fixture and the second fixture. A guide groove for accommodating part of the rotating plate is provided on one side of the bracket assembly close to the clamping assembly. A handle is arranged outside the clamping assembly. One end of the handle is rotatably connected to the rotating plate, and the other end is on the same side as the first fixture or the second fixture. A synchronization block is provided on one of the first fixture and the second fixture. One end of the synchronization block is fixed to the first fixture or the second fixture, and the other end is detachably connected to the fixture on the opposite side, for driving the first fixture and the second fixture to open and close synchronously when the handle rotates along the rotation plane. Through the rotation of the handle and the synchronous opening and closing of the fixture, the choledochoscope can be conveniently and stably clamped for grinding operation.

[0048] It is easy to understand that those skilled in the art can combine, split, and reorganize the embodiments of the present application based on several embodiments provided by the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0049] The above specific embodiments have further elaborated in detail the objectives, technical solutions, and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific embodiments of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application shall be included within the protection scope of the embodiments of the present application.

Claims

1. A device for grinding the end face of an optical fiber at the end of a choledochoscope lens, characterized in that: The invention comprises a support assembly (1) and a clamping assembly (2), wherein the support assembly (1) is fixedly connected to the optical fiber grinder via a mounting hole (3), a rotating shaft (4) is provided on the support assembly (1), and the rotating shaft (4) is arranged in a direction perpendicular to the working surface of the optical fiber grinder, and the clamping assembly (2) is fixed on a rotating plate (6), one end of the rotating plate (6) is rotatably connected to the rotating shaft (4), and the other end extends in a direction away from the rotating shaft (4); The clamping assembly (2) comprises a slide rail (7), a first clamp (12) and a second clamp (15); the slide rail (7) is laid on the rotating plate (6) in a direction away from the rotating axis (4); the first clamp (12) and the second clamp (15) are respectively slidably connected to the slide rail (7); a parts placement groove (16) for accommodating a choledochoscope is formed between the first clamp (12) and the second clamp (15); a guide rail groove for accommodating a portion of the rotating plate (6) is provided on a side of the bracket assembly (1) close to the clamping assembly (2); A handle (13) is provided on the outer side of the clamping assembly (2), one end of the handle (13) is rotatably connected to the rotating plate (6), and the other end is located on the same side as the first clamp (12) or the second clamp (15); One of the first clamp (12) and the second clamp (15) is provided with a synchronization block (14), one end of the synchronization block (14) is fixed to the first clamp (12) or the second clamp (15), and the other end is detachably connected to the opposite clamp, and is used for driving the first clamp (12) and the second clamp (15) to open and close synchronously when the handle (13) rotates along the rotating surface.

2. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 1, characterized in that: The bracket assembly (1) includes a ball screw (5), and a groove is provided below the connection end between the handle (13) and the rotating plate (6), and the rotating plate (6) is locked by embedding the ball screw (5) into the groove.

3. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 2, characterized in that: The angle at which the rotating plate (6) rotates along the rotating axis (4) is 0°-90°.

4. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 1, characterized in that: A spring fixing seat (11) is provided on the top of the clamping assembly (2), a spring fixing rod (8) is embedded in the spring fixing seat (11), a spring (10) is sleeved on the spring fixing rod (8), and a spring limiting block (9) is provided on the top of the spring (10) and is sleeved on the spring fixing rod (8).

5. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 4, characterized in that: The handle (13) is provided with a through hole, and a screw passes through the through hole and contacts the spring fixing seat (11) when the handle (13) is rotated to a relative position.

6. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 1, characterized in that: The first clamp (12), the second clamp (15) and the inner side of the clamping assembly (2) are respectively provided with a concave structure, and the elastic element is embedded in the concave structure.

7. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 1, characterized in that: The mounting hole (3) is connected to the screw of the optical fiber grinder via a threaded connection, and the hole on the rotating plate (6) is connected to the rotating shaft (4) via a bearing.

8. The device for grinding the optical fiber end face of the choledochoscope lens end according to claim 6, characterized in that: The synchronization block (14) is provided with a through hole and is connected to the first clamp (12) or the second clamp (15) on the opposite side by means of screws.

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