Training device for promoting development of internal arteriovenous fistula
By designing the linkage between the frame components, resistance adjustment components, and hand grip components, the problems of limited functionality and inflexible resistance adjustment in existing training devices have been solved. This enables diversified adjustment of wrist rotation and grip strength training, thereby improving the training effect for arteriovenous fistula development.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-10
Smart Images

Figure CN224099924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of training devices, specifically a kind of training device for promoting arteriovenous fistula development, belong to medical appliance technical field. BACKGROUND
[0002] Arteriovenous fistula surgery is a kind of vascular anastomosis surgery, the artery of forearm near wrist part and adjacent vein are sutured, make the vein after anastomosis flow with arterial blood, form an arteriovenous fistula, mainly used for hemodialysis treatment.Postoperative operation side hand should be properly exercised to promote blood circulation, prevent thrombosis, after a week after operation, composite training can be carried out, grip and wrist rotation exercise are carried out, when training, training equipment is used for training, such as grip, rubber ball, but the training device of the prior art is single in function when using, and the resistance is not convenient to adjust when training, not convenient to use. SUMMARY
[0003] The utility model discloses a kind of training devices for promoting arteriovenous fistula development, can be conveniently carried out grip training or wrist rotation training, strong in function, and resistance is conveniently adjusted when training, convenient to use.
[0004] The utility model discloses a kind of training devices for promoting arteriovenous fistula development, including frame body subassembly, the side of frame body subassembly is clamped with resistance adjusting subassembly, the one end of resistance adjusting subassembly is connected with hand grip subassembly, frame body subassembly includes placement plate, the upper surface both sides of placement plate are fixedly installed with support, and the upper end between support is fixedly installed with fixed ring, the side of fixed ring is rotatably installed with rotating ring, hand grip subassembly includes shaft, the middle position of shaft is fixedly installed with water bag ball, the both ends of shaft are clamped on rotating ring, when using, according to training demand, different state is switched, when wrist rotation training is carried out, the both ends of shaft are clamped on rotating ring, by hand gripping water bag ball, rotating ring is rotated, by adjusting the friction between rotating ring and fixed ring, when wrist is rotated, resistance is applied, when needing to carry out grip training, the both ends of shaft are separated from rotating ring, and the elasticity of water bag ball is adjusted by resistance adjusting subassembly, by hand gripping water bag ball, the water inside water bag ball is extruded and enters the inside of resistance adjusting subassembly, reach the effect of grip training.
[0005] Preferably, the upper surface one side of the placement plate is symmetrically fixedly installed with a holding frame, the resistance adjusting subassembly is clamped on the holding frame, by the holding frame, the resistance adjusting subassembly is conveniently installed, and conveniently fixed and split.
[0006] Preferably, one side of the fixed ring is provided with a sliding groove, and one side of the rotating ring is rotatably connected to the sliding groove. One side of the rotating ring is symmetrically connected to an adjusting screw. One end of the adjusting screw is rotatably connected to a friction block. The friction block is in contact with the inner side of the sliding groove. Through the sliding groove, the rotating ring can rotate on the fixed ring. By turning the adjusting screw, the friction between the rotating ring and the fixed ring can be adjusted, and the resistance can be adjusted when the wrist rotates.
[0007] Preferably, the inside of the rotating ring is symmetrically fixedly connected to a connecting plate. The connecting plate is provided with a notch, and the both ends of the shaft are connected to the notch. The shaft in the hand holding assembly is connected to the rotating ring, and the shaft drives the rotating ring to rotate when the wrist rotates.
[0008] Preferably, the shaft is a hollow structure. A water passing hole is formed in the shaft inside the water bag ball. One end of the shaft is fixedly connected to a connecting hose. The other end of the connecting hose is connected to the resistance adjusting assembly. When the water bag ball is pressed, the water in the water bag ball enters the resistance adjusting assembly through the water passing hole and the connecting hose, facilitating grip training.
[0009] Preferably, the both ends of the shaft are fixedly connected to square-shaped clamping blocks. The clamping blocks are in contact with the notches, facilitating the connection of the shaft and the rotating ring during wrist rotation training.
[0010] Preferably, the resistance adjusting assembly comprises an adjusting cylinder. A first rubber piston is placed in the inside of the adjusting cylinder. The inside of the adjusting cylinder between the first rubber piston and the connecting hose is filled with water, so that the first rubber piston moves in the inside of the adjusting cylinder when the water bag ball is pressed.
[0011] Preferably, one end of the adjusting cylinder is threadedly connected to a resistance adjusting threaded rod. One end of the resistance adjusting threaded rod inside the adjusting cylinder is rotatably connected to a second rubber piston. The first rubber piston and the second rubber piston are filled with gas. The distance between the first rubber piston and the second rubber piston is adjusted by the resistance adjusting threaded rod, achieving the effect of adjusting the resistance of the first rubber piston during movement.
[0012] The utility model discloses an advantageous effect is: through the hand holds subassembly and resistance adjusting subassembly, it is convenient for the grip strength training, and in training, it is convenient for the resistance of holding tightly to adjust, and cooperate frame body subassembly, it is convenient for the wrist rotation training, in training, the resistance of rotation is adjusted, improves the applicability, and the technical scheme function is various, and it is convenient for the training use when the internal arteriovenous fistula development rehabilitation. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the whole structure schematic diagram of the utility model;
[0014] Figure 2 It is the structure schematic diagram of the whole another angle of the utility model;
[0015] Figure 3 It is the structure schematic diagram when the utility model grips the strength training;
[0016] Figure 4 It is the explosion structure schematic diagram of frame body subassembly in the utility model;
[0017] Figure 5 It is the structure schematic diagram of the local section of the utility model in the rotating ring position;
[0018] Figure 6 It is the structure schematic diagram of the local section of the utility model when gripping the strength training.
[0019] In the drawing: 1, frame body subassembly;101, place board;102, support;103, fixed ring;104, rotating ring;105, embrace frame;106, sliding slot;107, adjusting screw rod;108, friction block;109, connecting plate;1010, notch;2, resistance adjusting subassembly;201, adjusting cylinder;202, first rubber piston;203, resistance adjusting screw rod;204, second rubber piston;3, hand holds subassembly;301, shaft;302, water bag ball;303, water hole;304, connecting hose;305, clamping block. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.
[0021] Please refer to Figures 1-6As shown, a training device for promoting the development of arteriovenous fistula, including frame assembly 1, one side of frame assembly 1 clamped with resistance adjusting assembly 2, one end of resistance adjusting assembly 2 is connected with hand holding assembly 3, frame assembly 1 includes placement plate 101, both sides of the upper surface of placement plate 101 are fixedly installed with support 102, and the upper end of support 102 is fixedly installed with fixing ring 103, one side of fixing ring 103 is rotatably installed with rotating ring 104, hand holding assembly 3 includes shaft 301, water sac ball 302 is fixedly installed at the middle position of shaft 301, both ends of shaft 301 are clamped on rotating ring 104, when in use, different states are switched according to training needs, when wrist rotation training is carried out, both ends of shaft 301 are clamped on rotating ring 104, rotating ring 104 is rotated by holding water sac ball 302, the friction between rotating ring 104 and fixing ring 103 is adjusted, so that resistance is applied when the wrist is rotated, when grip strength training is needed, both ends of shaft 301 are separated from rotating ring 104, and the elasticity of water sac ball 302 is adjusted through resistance adjusting assembly 2, the water in water sac ball 302 is squeezed into the inside of resistance adjusting assembly 2 by holding water sac ball 302, so that the effect of grip strength training is achieved, and the device is multifunctional and convenient to use in arteriovenous fistula development rehabilitation training.
[0022] One side of the upper surface of placement plate 101 is fixedly installed with cradle 105 in a symmetrical manner, resistance adjusting assembly 2 is clamped on cradle 105, cradle 105 is convenient for installing resistance adjusting assembly 2, convenient for fixing, and convenient for separating resistance adjusting assembly 2 from frame assembly 1 when grip strength training is carried out, convenient for disassembly, one side of fixing ring 103 is provided with sliding groove 106, one side of rotating ring 104 is rotatably clamped in sliding groove 106, one side of rotating ring 104 is symmetrically screw-connected with adjusting screw 107, one end of adjusting screw 107 is rotatably installed with friction block 108, friction block 108 is in close contact with the inside of sliding groove 106, rotating ring 104 is rotatable on fixing ring 103 through sliding groove 106, which is convenient for use when wrist rotation training is carried out, and when in use, the pressing force of friction block 108 and sliding groove 106 is adjusted by screwing adjusting screw 107, so that the friction between rotating ring 104 and fixing ring 103 is adjusted, which is convenient for adjusting resistance when the wrist is rotated, and is suitable for training at different stages, connecting plate 109 is fixedly installed in the inside of rotating ring 104 in a symmetrical manner, notch 1010 is formed in connecting plate 109, and both ends of shaft 301 are clamped in notch 1010, connecting plate 109 and notch 1010 are convenient for connecting shaft 301 in hand holding assembly 3 with rotating ring 104, when wrist rotation training is carried out while holding water sac ball 302, shaft 301 drives rotating ring 104 to rotate.
[0023] The shaft rod 301 is a hollow structure, a water passing hole 303 is arranged in the inside of the water bag ball 302 on the shaft rod 301, a connecting hose 304 is fixedly installed on one end of the shaft rod 301, the other end of the connecting hose 304 is communicated with the resistance adjusting assembly 2, when the water bag ball 302 is pressed, the water in the inside of the water bag ball 302 enters the resistance adjusting assembly 2 through the water passing hole 303 and the connecting hose 304, and when it is loosened, the water in the resistance adjusting assembly 2 reversely presses into the inside of the water bag ball 302, so that the grip training is facilitated, square structure clamping blocks 305 are fixedly installed on both ends of the shaft rod 301, the clamping blocks 305 are matched with the notches 1010, through the clamping blocks 305, the shaft rod 301 is connected with the rotating ring 104 when the wrist rotating training is carried out, and the training state is conveniently switched.
[0024] The resistance adjusting assembly 2 comprises an adjusting cylinder 201, a first rubber piston 202 is arranged in the inside of the adjusting cylinder 201, the inside of the adjusting cylinder 201 is filled with water between the first rubber piston 202 and the connecting hose 304, so that when the water bag ball 302 is pressed, the first rubber piston 202 moves in the inside of the adjusting cylinder 201 by using the incompressibility of water, a resistance adjusting threaded rod 203 is threadedly connected on one end of the adjusting cylinder 201, a second rubber piston 204 is rotatably installed on one end of the resistance adjusting threaded rod 203 in the inside of the adjusting cylinder 201, gas is arranged between the first rubber piston 202 and the second rubber piston 204, when the first rubber piston 202 moves towards the second rubber piston 204, the gas is compressed, the resistance is applied to the first rubber piston 202, the distance between the first rubber piston 202 and the second rubber piston 204 is adjusted through the resistance adjusting threaded rod 203, the resistance of the first rubber piston 202 during movement is adjusted, and the training resistance is adjusted when the grip training is carried out.
[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and thus the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Accordingly, the foregoing embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A training device for promoting the development of arteriovenous fistulas, characterized in that: Including frame assembly (1), one side of frame assembly (1) is connected with resistance adjusting assembly (2), one end of resistance adjusting assembly (2) is connected with hand holding assembly (3), frame assembly (1) includes placing plate (101), both sides of the upper surface of placing plate (101) are fixedly installed with support (102), and the upper end between support (102) is fixedly installed with fixed ring (103), one side of fixed ring (103) is rotatably installed with rotating ring (104), hand holding assembly (3) includes shaft rod (301), water bag ball (302) is fixedly installed in the middle position of shaft rod (301), both ends of shaft rod (301) are clamped on rotating ring (104).
2. The training device for promoting development of an arteriovenous internal fistula according to claim 1, characterized in that: The upper surface of the placing plate (101) is symmetrically fixedly installed with a holding frame (105), and the resistance adjusting assembly (2) is clamped on the holding frame (105).
3. The training device for promoting development of an arteriovenous internal fistula according to claim 1, wherein: A sliding groove (106) is formed in one side of the fixed ring (103), and the rotating ring (104) is rotatably clamped on the sliding groove (106), and the rotating ring (104) is symmetrically screwed with an adjusting screw (107) on one side, and a friction block (108) is rotatably installed on one end of the adjusting screw (107), and the friction block (108) is fitted with the inner side of the sliding groove (106).
4. The training device for promoting development of an arteriovenous internal fistula according to claim 1, wherein: The inside of the rotating ring (104) is symmetrically fixedly installed with a connecting plate (109), and the connecting plate (109) is provided with a notch (1010), and both ends of the shaft rod (301) are clamped in the notch (1010).
5. The training device for promoting development of an arteriovenous internal fistula according to claim 1, wherein: The shaft rod (301) is a hollow structure, a water hole (303) is formed in the inside of the water bag ball (302) on the shaft rod (301), and a connecting hose (304) is fixedly installed on one end of the shaft rod (301), and the other end of the connecting hose (304) is communicated with the resistance adjusting assembly (2).
6. The training device for promoting development of an arteriovenous fistula according to claim 4, wherein: Both ends of the shaft rod (301) are fixedly installed with a square structure clamping block (305), and the clamping block (305) is matched with the notch (1010).
7. The training device for promoting development of an arteriovenous internal fistula of claim 1, wherein: The resistance adjusting assembly (2) includes an adjusting cylinder (201), and a first rubber piston (202) is placed in the inside of the adjusting cylinder (201).
8. The training device for promoting development of an arteriovenous fistula according to claim 7, wherein: One end of the adjusting cylinder (201) is screwed with a resistance adjusting threaded rod (203), and a second rubber piston (204) is rotatably installed on one end of the resistance adjusting threaded rod (203) in the inside of the adjusting cylinder (201).