Holding device of ureter guiding sheath
By designing and coordinating components such as threaded rods and sleeves, the problem of inconvenient adjustment of the ureteral guide sheath gripping device was solved, enabling flexible adjustment and convenient replacement of the elastic pad, thus improving the user experience.
Patent Information
- Application Number
- CN202520267249.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The gripping device of the ureteral guide sheath is not easy to adjust according to the user's habits, making it inconvenient to use.
A gripping device was designed, comprising components such as a threaded rod, sleeve, baffle, handle, positioning rod, slider, locking block, and rotating rod. Through the cooperation of the threaded movement and the rotating rod, the handle can be adjusted and the elastic pad can be disassembled and replaced.
It enables flexible adjustment of the grip device, improves the convenience and comfort of use, and facilitates the replacement of the elastic pad.
Smart Images

Figure CN223731906U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ureteral guide sheath technical field, concretely is a kind of ureteral guide sheath's holding device. BACKGROUND
[0002] Ureteral guide sheath is a kind of medical instrument, mainly used in endoscopic surgery of urinary system. It is usually made of soft, transparent or translucent material, and has good biocompatibility. The main function of guide sheath is to help doctors perform various operations in urinary tract, such as ureteroscopy, stone removal, stent placement, etc. According to the utility model disclosed in the utility model patent authorization announcement No. CN215780833U, the holding device of ureteral guide sheath and ureteral guide sheath, wherein the holding device of ureteral guide sheath includes shell surface, the shell surface has hollow inner cavity, the first channel opening, the second channel opening, the third channel opening and the fourth channel opening are arranged on the shell surface and communicated with the hollow inner cavity;Air flow channel is formed between the first channel opening, the third channel opening and the fourth channel opening, endoscope access channel is formed between the second channel opening and the third channel opening, and stone discharge channel is formed between the third channel opening and the fourth channel opening.
[0003] However, the holding device of ureteral guide sheath is not convenient to adjust according to the habit of user, and is not convenient to use. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of holding device of ureteral guide sheath, solve the problem that the holding device of ureteral guide sheath is not convenient to adjust according to the habit of user, and is not convenient to use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of holding device of ureteral guide sheath, including base, the inside rotation of the base is connected with threaded rod, the outside of the threaded rod is connected with sleeve by screw thread, the outside of the threaded rod is provided with positive and negative thread, the outside of the threaded rod is fixedly connected with baffle, the upper end of the sleeve is fixedly connected with handle, the upper end of the handle is contacted with elastic pad, and the handle is provided with dismounting mechanism.
[0006] Preferably, the baffle is in contact with the base, and the baffle is in contact with the sleeve. By designing the baffle, the threaded rod can be limited.
[0007] Preferably, the lower end of the handle is fixedly connected with positioning rod, and the positioning rod is slidably connected with the base. By designing the positioning rod, the handle can be guided.
[0008] Preferably, the disassembly mechanism includes a slider, which is slidably connected inside the handle. A locking block is fixedly connected to the upper end of the slider. A locking groove is opened inside the elastic pad. A rotating rod is rotatably connected inside the handle. The outer side of the rotating rod is provided with positive and negative threads. The rotating rod and the slider are connected by threads. A retaining ring is fixedly connected to the outer side of the rotating rod. The retaining ring contacts the handle. Through the design of the disassembly mechanism, the elastic pad can be easily disassembled and replaced.
[0009] Preferably, the locking block contacts the handle and is slidably connected to the slot. The design of the locking block can limit the movement of the elastic pad.
[0010] Preferably, a knob is fixedly connected to the end of the rotating rod away from the handle. The knob contacts the handle, and the knob design allows for easy rotation of the rotating rod.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] 1. This utility model, by incorporating components such as a threaded rod, a sleeve, and a positioning rod, allows the screwed rod and sleeve to move in a threaded motion when the baffle is rotated. This movement of the sleeve in turn moves the handle, thus allowing for adjustment of the handle's specifications. This solves the problem that the gripping device of the ureteral guide sheath is inconvenient to adjust according to the user's habits, making it difficult to use.
[0013] 2. This utility model is equipped with components such as a slider, a locking block, and a rotating rod. By rotating the rotating rod, the locking block on the slider can be moved within the locking groove, so that the locking block is no longer locked to the elastic pad, thus releasing the restriction on the elastic pad and allowing the elastic pad to be disassembled and replaced. Attached Figure Description
[0014] Figure 1 This is a three-dimensional view of the overall structure of this utility model;
[0015] Figure 2 For the present utility model Figure 1 A partial three-dimensional structural diagram;
[0016] Figure 3 For the present utility model Figure 1 A front sectional view;
[0017] Figure 4 For the present utility model Figure 3 Enlarged view of part A of the structure.
[0018] In the diagram: 1. Base; 2. Threaded rod; 21. Sleeve; 22. Baffle; 3. Handle; 31. Positioning rod; 32. Elastic pad; 4. Disassembly mechanism; 41. Slider; 42. Locking block; 43. Locking groove; 44. Rotating rod; 45. Retaining ring; 46. Knob. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0020] Please refer to Figures 1-4 A kind of holding device of ureteral guide sheath, including base 1, the inside rotationally connected with threaded rod 2 of base 1, the outside of threaded rod 2 is connected with sleeve 21 by screw thread, the outside of threaded rod 2 is provided with positive and negative thread, the outside of threaded rod 2 is fixedly connected with baffle 22, baffle 22 is in contact with base 1, baffle 22 is in contact with sleeve 21, by the design of baffle 22, it can be limited to threaded rod 2, the upper end of sleeve 21 is fixedly connected with handle 3, the lower end of handle 3 is fixedly connected with positioning rod 31, positioning rod 31 is slidably connected with base 1, by the design of positioning rod 31, it can be oriented to handle 3, the upper end of handle 3 is in contact with elastic pad 32, and handle 3 is provided with dismounting mechanism 4.
[0021] Please refer to Figures 2-4 Dismounting mechanism 4 includes sliding block 41, the inside of handle 3 is slidably connected with sliding block 41, the upper end of sliding block 41 is fixedly connected with clamping block 42, the inside of elastic pad 32 is provided with clamping groove 43, clamping block 42 is in contact with handle 3, clamping block 42 is slidably connected with clamping groove 43, by the design of clamping block 42, it can be limited to elastic pad 32.
[0022] Please refer to Figures 2-4 The inside of handle 3 is rotatably connected with rotating rod 44, the outside of rotating rod 44 is provided with positive and negative thread, rotating rod 44 is connected with sliding block 41 by screw thread, the outside of rotating rod 44 is fixedly connected with baffle ring 45, baffle ring 45 is in contact with handle 3, the end, away from handle 3, of rotating rod 44 is fixedly connected with knob 46, knob 46 is in contact with handle 3, by the design of knob 46, it can be conveniently rotated rotating rod 44, by the design of dismounting mechanism 4, it can be conveniently dismounted and replaced to elastic pad 32.
[0023] The specific implementation process of the utility model is as follows: when using, rotating baffle 22, make baffle 22 drive threaded rod 2 rotate, make threaded rod 2 and sleeve 21 occur screw thread movement, so that sleeve 21 drive handle 3 moves, handle 3 drive elastic pad 32 moves, the position of handle 3 and elastic pad 32 can be adjusted, so that the handle 3 is more comfortable when using;
[0024] By rotating the knob 46, the knob 46 drives the rotating rod 44 to rotate, and the rotating rod 44 is in threaded motion with the sliding block 41, so that the sliding block 41 moves on the rotating rod 44, and the sliding block 41 drives the clamping block 42 to move, so that the clamping block 42 slides in the clamping groove 43, and the clamping block 42 is no longer clamped with the elastic pad 32, so that the limiting of the elastic pad 32 is released, and the elastic pad 32 can be disassembled and replaced.
[0025] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A holding device for a ureteral introducer sheath, comprising a base (1), characterized in that: The inside rotation of base (1) is connected with threaded rod (2), the outside of threaded rod (2) is connected with sleeve (21) through thread, the outside of threaded rod (2) is provided with positive and negative thread, the outside of threaded rod (2) is fixedly connected with baffle (22), the upper end of sleeve (21) is fixedly connected with handle (3), the upper end of handle (3) is contacted with elastic pad (32), handle (3) is provided with dismounting mechanism (4).
2. A gripping device for a ureteral introducer sheath according to claim 1, characterized in that: The baffle (22) is contacted with base (1), the baffle (22) is contacted with sleeve (21).
3. A handle for a ureteral introducer sheath according to claim 1, wherein: The lower end of handle (3) is fixedly connected with positioning rod (31), the positioning rod (31) is slidably connected with base (1).
4. The holding device of a ureteral guide sheath according to claim 1, characterized in that: The dismounting mechanism (4) includes sliding block (41), the inside of handle (3) is slidably connected with sliding block (41), the upper end of sliding block (41) is fixedly connected with clamping block (42), the inside of elastic pad (32) is provided with clamping groove (43), the inside of handle (3) is rotatably connected with rotating rod (44), the outside of rotating rod (44) is provided with positive and negative thread, the rotating rod (44) is connected with sliding block (41) through thread, the outside of rotating rod (44) is fixedly connected with baffle ring (45), the baffle ring (45) is contacted with handle (3).
5. A holding device for a ureteral introducer sheath according to claim 4, characterized in that: The clamping block (42) is contacted with handle (3), the clamping block (42) is slidably connected with clamping groove (43).
6. A handle for a ureteral introducer sheath according to claim 4, wherein: The end, away from handle (3), of rotating rod (44) is fixedly connected with knob (46), the knob (46) is contacted with handle (3).
Citation Information
Patent Citations
Holding device of ureter guiding sheath and ureter guiding sheath
CN215780833U