Load-bearing self-locking artificial joint
By setting a limiting movement groove and an adjustment mechanism in the joint seat of the artificial joint, the self-locking limit of the joint shaft is achieved, and the problem of artificial joints in the prior art is solved, and the safety and practicality of use are improved.
Patent Information
- Application Number
- CN202421127540.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Existing artificial joints are prone to over-tension during use, causing the user to fall.
A load-bearing self-locking artificial joint is designed. By setting a limit movement groove and an adjustment mechanism in the joint seat, the self-locking limit of the joint shaft is realized to prevent over-tension during extreme standing or extreme bending.
It effectively prevents users from falling during use, and uses a large angle bending through the adjustment mechanism to improve the practicality of the device.
Smart Images
Figure CN222804399U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of artificial joints, in particular to a load-bearing self-locking artificial joint. Background Art
[0002] Orthopedics is one of the most common departments in major hospitals. It mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and uses drugs, surgery and physical methods to maintain and develop the normal form and function of this system.
[0003] For amputees in orthopedics, prostheses are used for auxiliary movements in the later stage, and artificial joints are one of the indispensable and important parts of prostheses. However, the existing artificial joints are prone to over-tension during use, which may cause the user to fall. Therefore, we have launched a new load-bearing self-locking artificial joint. Utility Model Content
[0004] The main purpose of the utility model is to provide a load-bearing self-locking artificial joint, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A load-bearing self-locking artificial joint comprises a joint seat, the inner surface of which is movably connected with a joint shaft, and an adjustment mechanism is arranged on the right side of the upper part of the outer surface of the joint seat.
[0007] Preferably, the joint seat includes a movable shell, a limited movable groove is provided in the lower right part of the outer surface of the movable shell, limited movable holes are provided in the middle of the rear side and the middle of the front side of the inner surface of the movable shell, and a first connecting section is fixedly connected to the middle of the upper side of the outer surface of the movable shell.
[0008] Preferably, the joint shaft comprises a ball shaft, a second connecting section is fixedly connected to the middle of the lower side of the outer surface of the ball shaft, and a limited movable rod is fixedly connected to the middle of the front side and the middle of the rear side of the outer surface of the ball shaft.
[0009] Preferably, the second connecting section is located inside the limiting movable groove and is slidably connected to the limiting movable groove.
[0010] Preferably, the ball shaft is located inside the movable shell and is slidably connected to the movable shell.
[0011] Preferably, the two limiting movable rods are respectively located inside the two limiting movable holes and are respectively movably connected to the two limiting movable holes.
[0012] Preferably, the adjustment mechanism comprises a limiting plate and a fixing bolt, a sliding groove is provided on the inner upper wall of the limiting movable groove, the upper part of the front wall and the upper part of the rear wall, and a fastening hole is provided on the inner upper wall of the sliding groove.
[0013] Preferably, the limiting plate is located inside the slide groove and is slidably connected to the slide groove, the fixing bolt is threadedly connected to the fastening hole, and the limiting plate is fixedly connected to the movable shell via the fixing bolt.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. In the utility model, a joint seat for wrapping the joint shaft is provided in the device, and a limited movable groove is provided at the lower part of the outer surface of the joint seat. When the whole device is in use, the limited movable groove and the second connecting section at the lower part of the joint shaft can be used for self-locking and limiting, so as to prevent over-tension during extreme standing or extreme bending, and prevent the user from falling during use;
[0016] 2. In the utility model, an adjustment mechanism is provided at the upper part of the limit movable groove in the joint seat. When the device is in use, the use position of the limit plate in the adjustment mechanism can be manually adjusted, so that the movable angle of the joint axis can be changed according to the use requirements. It can also achieve a larger angle of bending while realizing the self-locking limit function, making the device more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a load-bearing self-locking artificial joint of the utility model;
[0018] Figure 2 This is a schematic diagram of the overall structure of a joint seat of a load-bearing self-locking artificial joint of the utility model;
[0019] Figure 3 This is a schematic diagram of the overall structure of a joint shaft of a load-bearing self-locking artificial joint of the utility model;
[0020] Figure 4 The utility model is a schematic diagram of the overall structure of an adjustment mechanism of a load-bearing self-locking artificial joint.
[0021] In the figure: 1. joint seat; 2. joint shaft; 3. adjustment mechanism; 11. movable shell; 12. limit movable groove; 13. limit movable hole; 14. first connecting section; 21. ball shaft; 22. second connecting section; 23. limit movable rod; 31. limit plate; 32. fixing bolt; 33. slide groove; 34. fastening hole. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] See also Figure 1-4 , the utility model provides a technical solution:
[0026] A load-bearing self-locking artificial joint comprises a joint seat 1, a joint shaft 2 is movably connected to the inner surface of the joint seat 1, and an adjustment mechanism 3 is arranged on the upper right side of the outer surface of the joint seat 1.
[0027] In this embodiment, the joint seat 1 includes a movable shell 11, a limited movable groove 12 is provided at the lower right part of the outer surface of the movable shell 11, a limited movable hole 13 is provided at the middle of the rear side of the inner surface of the movable shell 11 and the middle of the front side of the inner surface, a first connecting section 14 is fixedly connected to the middle of the upper side of the outer surface of the movable shell 11, and the joint shaft 2 includes a ball shaft 21, a second connecting section 22 is fixedly connected to the middle of the lower side of the outer surface of the ball shaft 21, a limited movable rod 23 is fixedly connected to the middle of the front side of the outer surface of the ball shaft 21 and the middle of the rear side of the outer surface, and the second connecting section 22 is located inside the limited movable groove 12 and slides with the limited movable groove 12 The ball shaft 21 is located inside the movable shell 11 and is slidably connected to the movable shell 11. The two limit movable rods 23 are respectively located inside the two limit movable holes 13 and are movably connected to the two limit movable holes 13. A joint seat 1 is provided in the device to wrap the joint shaft 2, and a limit movable groove 12 is provided at the lower part of the outer surface of the joint seat 1. When the entire device is in use, it can be self-locked and limited by the limit movable groove 12 and the second connecting section 22 at the lower part of the joint shaft 2 to prevent over-tensioning during extreme standing or extreme bending, and can prevent the user from falling during use.
[0028] The cam 33 is a key component of the cam 33 and is used to connect the cam 33 to the hinge 31. The cam 33 is used to connect the hinge 31 to the hinge 31. The cam 33 is used to connect the hinge 31 to the hinge 31. The cam 33 is used to connect the hinge 31 to the hinge 31.
[0029] It should be noted that the utility model is a load-bearing self-locking artificial joint. A joint seat 1 is provided in the device to wrap the joint shaft 2, and a limited movable groove 12 is provided at the lower part of the outer surface of the joint seat 1. When the entire device is in use, it can be self-locked and limited by the limited movable groove 12 and the second connecting section 22 at the lower part of the joint shaft 2 to prevent over-tensioning during extreme standing or extreme bending, and can avoid the user from falling during use. An adjustment mechanism 3 is provided at the upper part of the limited movable groove 12 in the joint seat 1. When the device is in use, the use position of the limit plate 31 in the adjustment mechanism 3 can be manually adjusted, so that the activity angle of the joint shaft 2 can be changed according to the use requirements, and a larger angle of bending can be achieved while achieving the effect of self-locking limitation, making the device more practical.
[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A load-bearing self-locking artificial joint, comprising a joint seat (1), characterized in that: The inner surface of the joint seat (1) is movably connected with a joint shaft (2), and an adjustment mechanism (3) is provided on the right side of the upper part of the outer surface of the joint seat (1); The joint seat (1) comprises a movable shell (11), a limited movable groove (12) is provided at the lower right part of the outer surface of the movable shell (11), limited movable holes (13) are provided at the middle part of the rear side and the middle part of the front side of the inner surface of the movable shell (11), and a first connecting section (14) is fixedly connected to the middle part of the upper side of the outer surface of the movable shell (11); The joint shaft (2) comprises a ball shaft (21), a second connecting section (22) is fixedly connected to the middle of the lower side of the outer surface of the ball shaft (21), and a limited movable rod (23) is fixedly connected to the middle of the front side and the middle of the rear side of the outer surface of the ball shaft (21).
2. A load-bearing self-locking artificial joint according to claim 1, characterized in that: The second connecting section (22) is located inside the limiting movable groove (12) and is slidably connected to the limiting movable groove (12).
3. A load-bearing self-locking artificial joint according to claim 1, characterized in that: The ball shaft (21) is located inside the movable shell (11) and is slidably connected to the movable shell (11).
4. A load-bearing self-locking artificial joint according to claim 1, characterized in that: The two position-limiting movable rods (23) are respectively located inside the two position-limiting movable holes (13) and are respectively movably connected to the two position-limiting movable holes (13).
5. A load-bearing self-locking artificial joint according to claim 1, characterized in that: The adjustment mechanism (3) comprises a limiting plate (31) and a fixing bolt (32); the inner upper wall, the upper part of the front wall and the upper part of the rear wall of the limiting movable groove (12) are provided with a sliding groove (33); the inner upper wall of the sliding groove (33) is provided with a fastening hole (34).
6. A load-bearing self-locking artificial joint according to claim 5, characterized in that: The limiting plate (31) is located inside the slide groove (33) and is slidably connected to the slide groove (33); the fixing bolt (32) is threadedly connected to the fastening hole (34); and the limiting plate (31) is fixedly connected to the movable shell (11) via the fixing bolt (32).