Knee joint brace

By introducing limit strips and springs into the knee brace, the patient's need for force when straightening is reduced, and the brace is prevented from moving upwards through the arrangement of sub-Velcro and straps, the knee in the prior art is solved. The problem of joint braces being stressed and the braces being moved upward when bending has achieved better joint protection and stability.

CN222150255UActive Publication Date: 2024-12-13万强
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Patent Information

Application Number
CN202420099665.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-15
Publication Date
2024-12-13
Estimated Expiration
2034-01-15

AI Technical Summary

Technical Problem

Existing knee braces can easily aggravate the injury when the patient's legs are bent and need to be stretched hard when they are bent, and the braces will move upward when they walk, reducing the support effect.

Method used

A knee brace consisting of curved plates, limit plates, fixing components, straps, limit strips and springs is designed to reduce the patient's force needs through the coordination of limit strips and springs, and through the sub-Velcro and The strap is set to prevent the brace from moving upward and increase support stability.

Benefits of technology

Effectively protect the patient's joints, reduce the need for force during straightening, and prevent the brace from moving upward, improving the stability and comfort of long-term wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of orthopedics, and discloses a knee joint brace which comprises an arc-shaped plate, one side of the arc-shaped plate is fixedly connected with a first limiting plate, the surface of the first limiting plate is fixedly connected with a fixing assembly, one side of the first limiting plate is provided with a groove, the inside of the groove is fixedly connected with a bandage, and the surface of the first limiting plate is fixedly connected with the fixing assembly. A second limiting plate is slidably connected to the surface of the bandage, a first fixing plate is fixedly connected to one side of the second limiting plate, and a first moving plate is fixedly connected to one end of the first fixing plate. According to the knee joint brace, through the arrangement of a fixing pipe, a limiting strip and a limiting spring, when a patient needs to walk, the limiting strip is fixed through the fixing pipe on the second moving plate, and when the patient needs to straighten the leg, the limiting strip at one end of the limiting spring straightens the leg of the patient with the help of elastic force, and the knee of the patient is injured and cannot exert force well, the knee joint brace is fixed; the patient can walk by means of the elastic force of the limiting springs to protect the joints of the patient.
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Description

Technical Field

[0001] The utility model relates to the technical field of orthopedics, in particular to a knee joint brace. Background Art

[0002] A brace is an external fixation device placed outside the body to restrict certain body movements, thereby assisting the effect of surgical treatment, or directly used for non-surgical treatment. At the same time, adding pressure points on the basis of external fixation can make it an orthopedic brace for the correction of body deformities. A brace, also known as an orthosis, is an external support device designed to reduce functional disorders of the limbs, spine, and skeletal muscle system. It is used for non-surgical treatment or auxiliary treatment of orthopedic surgery.

[0003] A knee joint brace disclosed in announcement number CN211067275U has the advantages of simple structure, convenient operation and high flexibility.

[0004] However, this knee brace has the following disadvantages:

[0005] (1) When a patient injures the knee, it takes effort to straighten the bent leg, which can easily aggravate the patient's leg injury and prolong the patient's recovery time;

[0006] (2) When the patient walks with the brace, the brace will move up along the leg, reducing the support effect of the brace. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a knee joint brace which is highly practical, can be simply operated and has a relatively simple structure, and solves the problems mentioned in the above background technology that force is required to straighten the leg when it is bent, which may easily aggravate the patient's leg injury and the brace may move upward along the leg, reducing the supporting effect of the brace.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a knee joint brace comprises an arc-shaped plate, one side of the arc-shaped plate is fixedly connected with a first limit plate, the surface of the first limit plate is fixedly connected with a fixing component, one side of the first limit plate is provided with a groove, the inside of the groove is fixedly connected with a strap, the surface of the strap is slidably connected with a second limit plate, one side of the second limit plate is fixedly connected with the first fixing plate, one end of the first fixing plate is fixedly connected with the first movable plate, one end of the first movable plate is rotatably connected with the second movable plate, the surface of the second movable plate is fixedly connected with a fixing tube, the interior of the fixing tube is plugged with a limit strip, one end of the limit strip is fixedly connected with a limit spring, one end of the surface of the second movable plate is fixedly connected with the second fixing plate, one end of the second fixing plate is fixedly connected with a calf limit plate, one end of the calf limit plate is provided with a first circular hole, the inside of the first circular hole is rotatably connected with a first rotating block, and the surface of the first rotating block is fixedly connected with an elastic belt.

[0011] Optionally, a second circular hole is formed at one end of the first limiting plate, and a second rotating block is rotatably connected inside the second circular hole, so that the first limiting plate can be rotated through the second rotating block.

[0012] Optionally, a slide groove is provided on one side of the second limiting plate, and the size of the slide groove is adapted to the strap, so that the strap can be used to tighten the legs.

[0013] Optionally, a third circular hole is provided on the surface of the first movable plate, and a rotating rod is rotatably connected inside the third circular hole, so that the first movable plate is rotated via the rotating rod.

[0014] Optionally, a fixing groove is provided on the other side of the first movable plate, and an elastic soft cloth is fixedly connected to the interior of the fixing groove, so that the elastic soft cloth plays a role in protecting the knees.

[0015] Optionally, a semicircular groove is formed at one end of the second limiting plate, and the size of the semicircular groove is adapted to the elastic band, so that the elastic band acts as a pull-down support.

[0016] (III) Beneficial effects

[0017] The utility model provides a knee joint brace, which has the following beneficial effects:

[0018] 1. The knee joint brace is provided with a first fixed plate, a first movable plate, a fixed tube, a limit bar and a limit spring. When a patient needs to walk, the first movable plate on the first fixed plate uses the bent knee to make the limit bar exert force on the limit spring, and the fixed tube on the second movable plate fixes the limit bar. When the patient needs to straighten the leg, the limit bar at one end of the limit spring straightens the patient's leg with the help of elastic force. When the patient's knee is injured and it is difficult to exert force, the patient can walk with the help of the elastic force of the limit spring to protect the patient's joint.

[0019] 2. The knee joint brace is provided with a first limiting plate, a strap, a sub-velcro and a main Velcro. The medical staff puts the patient's leg on the brace, pulls the strap, sticks the sub-velcro on the main Velcro of the first limiting plate, and puts the elastic band on the patient's foot arch. Wearing the brace for a long time will cause the brace to move to the upper part of the thigh, so that the brace will not move upward and the foot arch can be exercised. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the arc-shaped plate structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the limit spring of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the fixing component of the utility model.

[0024] In the figure: 1. arc plate; 2. first limit plate; 3. fixing assembly; 301. sub-velcro; 302. mother Velcro; 4. strap; 5. second limit plate; 6. first fixed plate; 7. first movable plate; 8. second movable plate; 9. fixing tube; 10. limit strip; 11. limit spring; 12. second fixed plate; 13. calf limit plate; 14. first rotating block; 15. elastic belt; 16. second rotating block; 17. rotating rod; 18. elastic soft cloth. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4The utility model provides a technical solution: a knee joint brace, including an arc-shaped plate 1, a first limiting plate 2 is fixedly connected to one side of the arc-shaped plate 1, a fixing component 3 is fixedly connected to the surface of the first limiting plate 2, a groove is opened on one side of the first limiting plate 2, a strap 4 is fixedly connected inside the groove, a second limiting plate 5 is slidably connected to the surface of the strap 4, a first fixing plate 6 is fixedly connected to one side of the second limiting plate 5, a first fixing plate 6 is fixedly connected to one end of the first fixing plate 6, a first movable plate 7 is rotatably connected to one end of the first movable plate 7, and a second movable plate 8 is rotatably connected to one end of the second movable plate 8. The surface of the movable plate 8 is fixedly connected with a fixed tube 9, and a limit strip 10 is inserted inside the fixed tube 9. One end of the limit strip 10 is fixedly connected to a limit spring 11. Through the arrangement of the first fixed plate 6, the first movable plate 7, the fixed tube 9, the limit strip 10 and the limit spring 11, when the patient needs to walk, the first movable plate 7 on the first fixed plate 6, with the help of the bent knee, makes the limit strip 10 exert force on the limit spring 11, and the fixed tube 9 on the second movable plate 8 fixes the limit strip 10. When the patient needs to straighten his legs, the limit strip 10 at one end of the limit spring 11 The positioning strip 10 straightens the patient's legs with the help of elastic force. When the patient has a knee injury and is unable to exert force, he can walk with the help of the elastic force of the limit spring 11 to protect the patient's joints. One end of the surface of the second movable plate 8 is fixedly connected to the second fixed plate 12, and one end of the second fixed plate 12 is fixedly connected to the calf limiting plate 13. One end of the calf limiting plate 13 is provided with a first circular hole, and the first circular hole is rotatably connected to the first rotating block 14. The surface of the first rotating block 14 is fixedly connected to the elastic belt 15. Through the first limiting plate 2, the strap 4, and the sub-velcro 30 1 and the mother Velcro 302, the medical staff puts the patient's leg on the brace, pulls the strap 4, sticks the child Velcro 301 on the mother Velcro 302 of the first limiting plate 2, and puts the elastic band 15 on the patient's arch. The brace is worn for a long time, which will cause the brace to move to the upper part of the thigh, so that the brace will not move upward, and the arch of the foot can also be exercised. The material of the first limiting plate 2 is: polyvinyl chloride (PVC), which has low cost and relatively simple manufacturing process, and the plastic material can also be processed and shaped to meet different design requirements;

[0027] A second circular hole is formed at one end of the first limiting plate 2, and a second rotating block 16 is rotatably connected inside the second circular hole. The second rotating block 16 is arranged to rotate the first limiting plate 2.

[0028] A slide groove is provided on one side of the second limiting plate 5, and the size of the slide groove is adapted to the strap 4. The strap 4 is provided to tighten the legs.

[0029] A third circular hole is provided on the surface of the first movable plate 7, and a rotating rod 17 is rotatably connected inside the third circular hole. The rotating rod 17 is arranged to rotate the first movable plate 7.

[0030] A fixing groove is provided on the other side of the first movable plate 7, and an elastic soft cloth 18 is fixedly connected inside the fixing groove. The elastic soft cloth 18 plays a role in protecting the knees.

[0031] A semicircular groove is formed at one end of the second limiting plate 5 , and the size of the semicircular groove is adapted to the elastic band 15 . The elastic band 15 serves as a pull-down support.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: The medical staff puts the patient's leg on the brace, pulls the strap 4, sticks the child Velcro 301 on the parent Velcro 302 of the first limiting plate 2, and puts the elastic band 15 on the patient's foot arch.

[0034] The second step: when the patient needs to walk, the first movable plate 7 on the first fixed plate 6, with the help of the bent knee, makes the limit bar 10 exert force on the limit spring 11, and the fixed tube 9 on the second movable plate 8 fixes the limit bar 10. When the patient needs to straighten his legs, the limit bar 10 at one end of the limit spring 11 straightens the patient's legs with the help of elastic force.

[0035] Embodiment 1;

[0036] Please read Figure 4 The fixing component 3 includes a Velcro 301 and a mother Velcro 302. One end of the strap 4 is fixedly connected with the child Velcro 301. The surface of the first limiting plate 2 is fixedly connected with the mother Velcro 302 that matches the child Velcro 301. The setting of the child Velcro 301 and the mother Velcro 302 plays a role in fixing the strap 4.

[0037] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0038] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A knee joint brace, comprising a curved plate (1), characterized in that: One side of the arc-shaped plate (1) is fixedly connected to a first limiting plate (2), a surface of the first limiting plate (2) is fixedly connected to a fixing assembly (3), one side of the first limiting plate (2) is provided with a groove, a binding belt (4) is fixedly connected inside the groove, a second limiting plate (5) is slidably connected to the surface of the binding belt (4), one side of the second limiting plate (5) is fixedly connected to a first fixing plate (6), one end of the first fixing plate (6) is fixedly connected to a first movable plate (7), one end of the first movable plate (7) is rotatably connected to a second movable plate (8), and the second movable plate (8) is rotatably connected to the first fixing plate (6). A fixed tube (9) is fixedly connected to the surface of the plate (8), a limit strip (10) is inserted into the interior of the fixed tube (9), one end of the limit strip (10) is fixedly connected to a limit spring (11), one end of the surface of the second movable plate (8) is fixedly connected to a second fixed plate (12), one end of the second fixed plate (12) is fixedly connected to a calf limit plate (13), one end of the calf limit plate (13) is provided with a first circular hole, the interior of the first circular hole is rotatably connected to a first rotating block (14), and the surface of the first rotating block (14) is fixedly connected to an elastic band (15).

2. A knee joint brace according to claim 1, characterized in that: A second circular hole is formed at one end of the first limiting plate (2), and a second rotating block (16) is rotatably connected inside the second circular hole.

3. A knee joint brace according to claim 1, characterized in that: A slide groove is provided on one side of the second limiting plate (5), and the size of the slide groove is adapted to the binding belt 4.

4. A knee joint brace according to claim 1, characterized in that: A third circular hole is provided on the surface of the first movable plate (7), and a rotating rod (17) is rotatably connected inside the third circular hole.

5. The knee joint brace according to claim 1, characterized in that: A fixing groove is provided on the other side of the first movable plate (7), and an elastic soft cloth (18) is fixedly connected inside the fixing groove.

6. The knee joint brace according to claim 1, characterized in that: A semicircular groove is formed at one end of the second limiting plate (5), and the size of the semicircular groove is adapted to the elastic band (15).