Knee joint brace for adjuvant therapy of osteoarthritis patient

Abstract

The utility model discloses a knee joint brace for adjuvant therapy of osteoarthritis patients, which comprises an adjusting device, and a fixing device is arranged on the outer side of the adjusting device. The fixing device comprises a supporting plate, a limiting sliding groove formed in one end of the supporting plate, a first clamping plate, a second clamping plate and a second threaded rod rotationally connected with one end of the first clamping plate, the limiting sliding groove is formed in one end of the supporting plate, and the first clamping plate and the second clamping plate are slidably connected into the limiting sliding groove. Limiting rods are arranged in the limiting grooves, the outer sides of the limiting rods are slidably connected with limiting plates, springs are arranged on the outer sides of the limiting rods, one ends of the limiting plates are rotationally connected with connecting fixing plates, bayonets are formed in one ends of the arc-shaped fixing plates, and clamping blocks are arranged at the free ends of the connecting fixing plates. According to the utility model, the fixation of the brace can be flexibly adjusted according to the leg length of a patient and the postoperative condition, so that the patient can quickly recover conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a knee joint brace for auxiliary treatment of osteoarthritis patients. Background Art

[0002] Osteoarthritis, also known as osteoarthritis, degenerative arthritis, hyperplastic arthritis, and senile arthritis, is a chronic joint disease with unclear etiology characterized by degenerative changes in articular cartilage and secondary bone hyperplasia. Osteoarthritis at the knee joint is usually treated with surgery, and auxiliary tools are required to assist recovery after surgery. In the prior art, knee braces are often worn to assist postoperative recovery of the knee, and are fixed to the leg through a fixing sleeve. However, the leg length of each person is different, and the existing knee braces cannot flexibly adjust the fixing position according to the length of the person's leg and the patient's postoperative condition, which is not conducive to the patient's recovery. Utility Model Content

[0003] The utility model aims to provide a knee joint brace for auxiliary treatment of osteoarthritis patients, which can flexibly adjust the fixation of the brace according to the patient's leg length and postoperative conditions, so as to facilitate the patient's rapid recovery.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A knee brace for auxiliary treatment of osteoarthritis patients, comprising an adjustment device, a fixing device is detachably provided on the outer side of the adjustment device, the adjustment device comprises a first support rod, a second support rod rotatably connected to one end of the first support rod, threaded openings are provided at the free ends of the first support rod and the second support rod, a sleeve rod slidably connected to the outer sides of the first support rod and the second support rod, and a first threaded rod rotatably connected to the free end of each sleeve rod and threadedly connected to the corresponding threaded opening;

[0006] The fixing device comprises a support plate slidably connected to the outer side of the adjusting device, a limiting sliding groove provided at one end of the support plate close to the adjusting device, a first clamping plate and a second clamping plate slidably connected inside the limiting sliding groove for clamping the adjusting device, a second threaded rod rotatably connected to one end of the first clamping plate away from the limiting sliding groove and threadedly connected to the second clamping plate, and an arc-shaped fixing plate is provided at one end of the support plate away from the clamping plate;

[0007] A limiting groove is provided on one side of the arc-shaped fixing plate close to one end of the supporting plate, a limiting rod is horizontally arranged inside the limiting groove, a limiting plate slidably connected to the limiting groove is slidably arranged on the outer side of the limiting rod, a spring is arranged on the outer side of the limiting rod between the limiting plate and the limiting groove, an end of the limiting plate away from the arc-shaped fixing plate is rotatably connected to a connecting fixing plate, a side of the arc-shaped fixing plate away from the end of the supporting plate away from the limiting groove is provided with a plurality of equally spaced bayonet holes, and a plurality of equally spaced blocks matching the bayonet holes are arranged on the free end of the connecting fixing plate.

[0008] By adopting the above technical solution, by rotating the first threaded rod, the first threaded rod rotates relative to the threaded opening, which can drive the sleeve rod to slide relative to the first support rod or relative to the second support rod, so as to adjust the length of the adjustment device according to the leg length of the person, the two adjustment devices are adjusted and placed on both sides of the legs, and then the fixing device is clamped to the adjustment device through the action of the first clamping plate and the second clamping plate according to the required fixed position, and the second threaded rod drives the first clamping plate and the second clamping plate to slide in the limiting sliding groove on the support plate by rotating the second threaded rod, and move in the direction of approaching each other respectively, and are clamped and fixed on the adjustment device, and a fixing device is installed at the same position on the two adjustment devices, so that the arc-shaped fixing plate clamps the leg, and then the connecting fixing plate is pulled to drive the limiting plate to slide in the limiting groove, and the limiting plate compresses the spring on the outer side of the limiting rod, and then the clamping block of the connecting fixing plate is clamped into the clamping mouth of another arc-shaped fixing plate at the same height, and the elastic force generated by the spring compression allows the arc-shaped fixing plate to be clamped on the leg, so that it can conveniently clamp legs of different thicknesses.

[0009] The utility model is further configured as follows: a first knob is provided at one end of each first threaded rod away from the first support rod, and a second knob is provided at the free end of each second threaded rod.

[0010] The utility model is further configured as follows: a spring is arranged inside the first support rod near one end of the second support rod, one end of the spring is connected to the first support rod, and the other end of the spring is connected to the second support rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] First, the fixing position of the brace can be adjusted flexibly according to the leg length and postoperative condition of the person. By rotating the first threaded rod, the sleeve rod can be driven to slide relative to the first support rod or the second support rod, thereby adjusting the length of the adjusting device. By rotating the second threaded rod, the first splint and the second splint can be clamped or loosened to the adjusting device, thereby facilitating the adjustment of the fixing position of the fixing device.

[0013] Secondly, by connecting the fixing plate to drive the limit plate to compress the spring, and then inserting the block into the slot of another arc-shaped fixing plate at the same height, it can be easily adjusted according to the legs of different thicknesses, and it is convenient to fix and adjust the arc-shaped fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional view of the utility model;

[0016] Figure 3 The utility model is used to demonstrate the clamping block and the clamping port of the utility model.

[0017] In the figure: 1. first support rod; 2. second support rod; 3. threaded opening; 4. sleeve rod; 5. first threaded rod; 6. first knob; 7. support plate; 8. limiting slide groove; 9. first clamping plate; 10. second clamping plate; 11. second threaded rod; 12. second knob; 13. arc-shaped fixing plate; 14. limiting groove; 15. limiting rod; 16. limiting plate; 17. connecting fixing plate; 18. block; 19. bayonet; 20. spring; 21. spring. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Example, see Figure 1-3 , a knee joint brace for auxiliary treatment of osteoarthritis patients, comprising an adjusting device, wherein four fixing devices are detachably arranged on the outer side of the adjusting device, the adjusting device comprising a first support rod 1, the upper end of the first support rod 1 is rotatably connected to a second support rod 2, a spring 21 is arranged on the upper end inside the first support rod 1, one end of the spring 21 is connected to the first support rod 1, and the other end of the spring 21 is connected to the second support rod 2, a threaded opening 3 is provided at the lower end of the first support rod 1 and the upper end of the second support rod 2, a sleeve rod 4 is slidably connected to the outer side of the first support rod 1 and the outer side of the second support rod 2, a first threaded rod 5 threadedly connected to the corresponding threaded opening 3 is rotatably connected to the inside of each sleeve rod 4, and a first threaded rod 5 threadedly connected to the corresponding threaded opening 3 is rotatably connected to the inside of each sleeve rod 4, and a first knob 6 is arranged on the end of each first threaded rod 5 away from the first support rod 1, which can conveniently adjust the length of the brace according to the different leg lengths of different people, thereby facilitating the fixation of the brace.

[0023] The fixing device includes a supporting plate 7 which is slidably connected to the adjusting device, a limiting groove 14 is provided at the right end of the supporting plate 7, a first clamping plate 9 is slidably connected inside the limiting groove 14, a second clamping plate 10 is slidably connected inside the limiting groove 14 behind the first clamping plate 9, a second threaded rod 11 which is threadedly connected to the second clamping plate 10 is rotatably connected at the right end of the first clamping plate 9, a second knob 12 is provided at the front end of the second threaded rod 11, and an arc-shaped fixing plate 13 is provided at the left end of the supporting plate 7, which can facilitate the position of the fixing device to be adjusted and facilitate more stable fixation.

[0024] A limiting groove 14 is provided on the rear side of the right end of the arc-shaped fixing plate 13, and a limiting rod 15 is horizontally arranged inside the limiting groove 14. A limiting plate 16 slidably connected to the limiting groove 14 is slidably connected to the outer side of the limiting rod 15. A spring 20 is arranged on the outer side of the limiting rod 15 between the front end of the limiting plate 16 and the limiting groove 14. The outer end of the limiting plate 16 is rotatably connected to a connecting fixing plate 17. A plurality of equally spaced bayonet holes 19 are provided on the front side of the right end of the arc-shaped fixing plate 13. Two blocks 18 matching the bayonet holes 19 are equally spaced at one end of the connecting fixing plate 17 away from the limiting plate 16, which can be adjusted according to the thickness of different people's legs to facilitate the fixing device to clamp people's legs.

[0025] Usage: The first threaded rod 5 is driven to rotate by the first knob 6, and the first threaded rod 5 is rotated relative to the threaded opening 3, which can drive the sleeve rod 4 to slide relative to the first support rod 1 or the second support rod 2, so as to adjust the length of the adjustment device according to the leg length of the person, and the two adjustment devices are adjusted and placed on both sides of the leg, and then the fixing device is clamped to the adjustment device through the first clamping plate 9 and the second clamping plate 10 according to the required fixed position, and the second threaded rod 11 is driven to rotate by turning the second knob 12, and the second threaded rod 11 drives The first clamping plate 9 and the second clamping plate 10 slide in the limiting sliding groove 8 on the supporting plate 7, move towards each other, and are clamped and fixed on the adjusting device. A fixing device is installed at the same position on the two adjusting devices, so that the arc-shaped fixing plate 13 clamps the leg, and then the connecting fixing plate 17 is pulled to drive the limiting plate 16 to slide in the limiting groove 14. The limiting plate 16 compresses the spring 20 on the outside of the limiting rod 15, and then the block 18 of the connecting fixing plate 17 is inserted into the bayonet 19 of another arc-shaped fixing plate 13 at the same height.

[0026] The elastic force generated by compressing the spring 20 allows the arc-shaped fixing plate 13 to be clamped on the leg, so that it can easily clamp legs of different thicknesses. When the knee joint is bent, the second support rod 2 is driven to rotate relative to the first support rod 1, which can compress the spring 21. The elastic force generated by the compression of the spring 21 forms resistance, which can provide a certain training intensity, thereby facilitating postoperative rehabilitation of the knee joint.

[0027] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A knee brace for auxiliary treatment of osteoarthritis patients, comprising an adjustment device, characterized in that: The outer side of the adjusting device is detachably provided with a fixing device, and the adjusting device comprises a first support rod (1), a second support rod (2) rotatably connected to one end of the first support rod (1), a threaded opening (3) provided at the free end of the first support rod (1) and the free end of the second support rod (2), a sleeve rod (4) slidably connected to the outer side of the first support rod (1) and the outer side of the second support rod (2), and a first threaded rod (5) rotatably connected to the free end of each sleeve rod (4) and threadedly connected to the corresponding threaded opening (3); The fixing device comprises a support plate (7) slidably connected to the outer side of the adjusting device, a limiting sliding groove (8) provided at one end of the support plate (7) close to the adjusting device, a first clamping plate (9) and a second clamping plate (10) slidably connected inside the limiting sliding groove (8) for clamping the adjusting device, a second threaded rod (11) rotatably connected to one end of the first clamping plate (9) away from the limiting sliding groove (8) and threadedly connected to the second clamping plate (10), and an arc-shaped fixing plate (13) is provided at one end of the support plate (7) away from the clamping plate; A limiting groove (14) is provided on one side of the arc-shaped fixing plate (13) close to one end of the supporting plate (7); a limiting rod (15) is horizontally arranged inside the limiting groove (14); a limiting plate (16) slidably connected to the limiting groove (14) is slidably connected to the outer side of the limiting rod (15); a spring (20) is arranged on the outer side of the limiting rod (15) between the limiting plate (16) and the limiting groove (14); an end of the limiting plate (16) away from the arc-shaped fixing plate (13) is rotatably connected to a connecting fixing plate (17); a side of an end of the arc-shaped fixing plate (13) away from the supporting plate (7) and away from the limiting groove (14) is provided with a plurality of bayonet holes (19) arranged at equal intervals; a free end of the connecting fixing plate (17) is provided with a plurality of clamping blocks (18) matched with the bayonet holes (19) at equal intervals.

2. A knee joint brace for auxiliary treatment of osteoarthritis patients according to claim 1, characterized in that: A first knob (6) is provided at one end of each first threaded rod (5) away from the first support rod (1), and a second knob (12) is provided at the free end of each second threaded rod (11).

3. A knee joint brace for auxiliary treatment of osteoarthritis patients according to claim 1, characterized in that: A spring (21) is arranged inside the first support rod (1) near one end of the second support rod (2); one end of the spring (21) is connected to the first support rod (1), and the other end of the spring (21) is connected to the second support rod (2).

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