Auxiliary supporting device for knee joint straightening

By designing a knee extension auxiliary support device including a support member and an adjustment mechanism, the problem of insufficient knee extension function assistance in the prior art is solved, and a convenient leg extension assistance and comfortable user experience is achieved.

CN222467225UActive Publication Date: 2025-02-14SHANDONG UNIV QILU HOSPITAL
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Patent Information

Application Number
CN202421012951.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-02-14
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

Existing knee assistive braces are limited in knee extension function assistance, and long-term wear may cause discomfort or affect blood circulation.

Method used

A knee joint straightening auxiliary support device is designed, including a support member and an adjustment mechanism. The support member is composed of a support plate, a connecting plate and an adjustment rod. The adjustment mechanism realizes the straightening assistance of the legs through the hinge and winding mechanism, and through The restraint assembly and the tightening assembly ensure a stable connection between the device and the legs.

Benefits of technology

This device can effectively assist the knee joint to straighten the legs, adjust the strength of the auxiliary support, and the restraint components can be adjusted according to the size of the legs, which improves the comfort of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an auxiliary supporting device for knee joint straightening in the technical field of supporting devices, which comprises a supporting piece, the supporting piece comprises a supporting plate and a connecting plate, the supporting plate is symmetrically and fixedly connected with the two ends of the connecting plate, and the auxiliary supporting device further comprises two adjusting mechanisms. The two adjusting mechanisms are connected to the upper end of the supporting plate, each adjusting mechanism comprises a first adjusting rod and a second adjusting rod, the supporting piece is fixedly connected with the lower end of the first adjusting rod and the lower end of the second adjusting rod, and the first adjusting rod is hinged to the second adjusting rod. The upper ends of the first adjusting rod and the second adjusting rod are both connected with a plurality of binding assemblies used for being connected with the legs in a binding mode. The leg restraint device has the advantages that knee joints can be assisted to straighten legs through the adjusting mechanism, the strength of auxiliary supporting can be adjusted through the tightening assembly, operation is easy and convenient, the leg restraint device can be conveniently connected to the legs through the restraint assembly, and the restraint inner diameter can be adjusted according to the sizes of the legs.
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Description

Technical Field

[0001] The utility model relates to the technical field of support devices, in particular to a knee joint straightening auxiliary support device. Background Art

[0002] The knee joint is one of the largest and most complex joints in the human body. Its normal function directly affects people's walking and daily activities. Due to injuries, diseases or post-operative rehabilitation, the knee joint may have problems with straightening, affecting the patient's quality of life.

[0003] Existing knee joint auxiliary braces mostly focus on stability and protection, but have limited auxiliary effect on knee joint extension function, and wearing them for a long time may cause discomfort or affect blood circulation. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing device only has a protective function and is not convenient for auxiliary support for straightening the knee joint.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A knee joint extension auxiliary support device includes a support member, the support member includes a support plate and a connecting plate, the support plate is symmetrically fixed to both ends of the connecting plate, and also includes an adjustment mechanism, the number of the adjustment mechanisms is two, the two adjustment mechanisms are connected to the upper end of the support plate, the adjustment mechanism includes a first adjustment rod and a second adjustment rod, the support member is fixed to the lower ends of the first adjustment rod and the second adjustment rod, the first adjustment rod is hinged to the second adjustment rod, and the upper ends of the first adjustment rod and the second adjustment rod are connected to a plurality of restraint components for being connected to the leg restraint.

[0007] Furthermore, one end of the first adjusting rod is fixedly connected to a splint, and one end of the second adjusting rod is fixedly connected to a connecting shell. The connecting shell is rotatably connected to the splint, and a connecting shaft is rotatably connected in the connecting shell. Both ends of the connecting shaft rotatably extend out of the splints on both sides. A spring is sleeved on the connecting shaft, and both ends of the spring are respectively fixedly connected to the connecting shaft and the inner wall of the connecting shell.

[0008] Furthermore, a tightening assembly is provided on the connecting shaft, and the tightening assembly includes a connecting rod and a knob. A sliding groove is provided in the connecting shaft, and the connecting rod slides into the sliding groove. A sliding plate is fixedly connected to one end of the connecting rod, and the sliding plate is slidably adapted in the sliding groove. A spring is fixed in the sliding groove, and the other end of the spring is fixed to the sliding plate. A clamping plate is fixedly connected to the outer side of the splint, and the clamping plate is provided with clamping grooves in a ring array. A clamping block is fixedly connected to one side of the knob, and the clamping block is adapted to the clamping groove.

[0009] Furthermore, one end of the connecting shaft is fixedly connected to a limiting plate, and the limiting plate is rotatably arranged on one side of the clamping plate.

[0010] Furthermore, the inner wall of the slide groove is symmetrically fixed with a limit strip, and the slide plate is provided with a groove, and the groove is slidably adapted to the limit strip.

[0011] Furthermore, a paddle is fixedly connected to the outer side of the knob.

[0012] Furthermore, the restraint assembly includes a first connecting block and a second connecting block restraint belt, the first connecting block and the second connecting block are respectively fixed to the upper ends of two adjustment mechanisms, one end of the restraint belt is connected to the first connecting block, the second connecting block is provided with a connecting through hole, the other end of the restraint belt passes through the connecting hole, a Velcro is fixed to the restraint belt, a Velcro sub-tape is fixed to the end of the restraint belt, and the Velcro sub-tape is bonded to the Velcro mother tape.

[0013] Furthermore, a plurality of the support members are provided with pads, and the pads are arranged between the two adjustment mechanisms.

[0014] The beneficial effects achieved by the utility model using the above structure are as follows:

[0015] 1: The adjustment mechanism can assist the knee joint to straighten the leg, and the strength of the auxiliary support can be adjusted by tightening the component. The operation is simple and convenient;

[0016] 2: The device can be easily connected to the leg through the binding assembly, and the inner diameter of the binding can be adjusted according to the size of the leg;

[0017] 3: Pads are provided between the adjustment mechanisms on the support parts to effectively improve the comfort of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the whole machine of the utility model.

[0019] Figure 2 It is an exploded view of the utility model.

[0020] Figure 3 It is a schematic diagram of the binding assembly of the utility model.

[0021] Figure 4 It is an exploded view of the adjustment mechanism of the utility model.

[0022] Figure 5 It is a schematic diagram of the tightening component of the utility model.

[0023] Description of reference numerals:

[0024] 1. Adjustment mechanism, 101. First adjustment rod, 102. Second adjustment rod, 103. Clamp, 104. Card plate, 105. Card slot, 106. Connecting shell, 107. Connecting shaft, 108. Spring, 109. Connecting rod, 110. Slide, 111. Spring, 112. Groove, 113. Knob, 114. Paddle, 115. Card block, 116. Slide slot, 117. Limiting strip, 2. Constraint assembly, 201. First connecting block, 202. Second connecting block, 203. Through hole, 204. Constraint belt, 205. Velcro mother sticker, 206. Velcro child sticker, 3. Support plate, 301. Connecting plate, 4. Pad. DETAILED DESCRIPTION

[0025] like Figure 1-5 As shown, a knee joint straightening auxiliary support device includes a support member, the support member includes a support plate 3 and a connecting plate 301, the support plate 3 is symmetrically fixed to both ends of the connecting plate 301, and also includes an adjustment mechanism 1, the number of the adjustment mechanism 1 is two, the two adjustment mechanisms 1 are connected to the upper end of the support plate 3, the adjustment mechanism 1 includes a first adjustment rod 101 and a second adjustment rod 102, the support member is fixed to the lower ends of the first adjustment rod 101 and the second adjustment rod 102, the first adjustment rod 101 and the second adjustment rod 102 are hinged, and the upper ends of the first adjustment rod 101 and the second adjustment rod 102 are connected with a plurality of restraint components 2 for connecting with the leg restraint.

[0026] like Figure 4 As shown, in order to provide auxiliary support for leg straightening, one end of the first adjusting rod 101 is fixedly connected to a splint 103, and one end of the second adjusting rod 102 is fixedly connected to a connecting shell 106. The connecting shell 106 is rotatably connected to the splint 103, and a connecting shaft 107 is rotatably connected in the connecting shell 106. Both ends of the connecting shaft 107 are rotatably extended out of the splints 103 on both sides. A spring 108 is sleeved on the connecting shaft 107, and both ends of the spring 108 are respectively fixedly connected to the connecting shaft 107 and the inner wall of the connecting shell 106.

[0027] like Figure 4 , 5As shown, in order to adjust the strength of the replication support, a tightening assembly is provided on the connecting shaft 107, and the tightening assembly includes a connecting rod 109 and a knob 113. A sliding groove 116 is provided in the connecting shaft 107, and the connecting rod 109 slides into the sliding groove 116. A sliding plate 110 is fixedly connected to one end of the connecting rod 109, and the sliding plate 110 slides and fits in the sliding groove 116. A spring 111 is fixedly connected to the sliding groove 116, and the other end of the spring 111 is fixedly connected to the sliding plate 110. The outer side of the clamping plate 103 A card plate 104 is fixedly connected, and a card slot 105 is provided in a ring array on the card plate 104. A card block 115 is fixedly connected to one side of the knob 113, and the card block 115 is adapted to the card slot 105. One end of the connecting shaft 107 is fixedly connected to a limit plate, and the limit plate is rotatably arranged on one side of the splint 103. The inner wall of the sliding groove 116 is symmetrically fixedly connected to a limit strip 117. A groove 112 is provided on the sliding plate 110, and the groove 112 is slidably adapted to the limit strip 117. A paddle 114 is fixedly connected to the outer side of the knob 113.

[0028] like Figure 3 As shown, in order to connect the device to the leg, the restraint component 2 includes a first connecting block 201 and a second connecting block 202 and a restraint belt 204. The first connecting block 201 and the second connecting block 202 are respectively fixed to the upper ends of the two adjustment mechanisms 1. One end of the restraint belt 204 is connected to the first connecting block 201. The second connecting block 202 is provided with a connecting through hole 203. The other end of the restraint belt 204 passes through the connecting hole. A Velcro mother patch 205 is fixed to the restraint belt 204. A Velcro sub-tape 206 is fixed to the end of the restraint belt 204. The Velcro sub-tape 206 is bonded to the Velcro mother patch 205.

[0029] like Figure 1 , 2 As shown, in order to improve the comfort of use, some of the support members are provided with pads 4, and the pads 4 are arranged between the two adjustment mechanisms 1.

[0030] When the utility model is used, the calf is placed on the pad 4 on the support member at the lower end between the two second adjustment rods 102, and the thigh is placed on the pad 4 on the support member at the lower end between the two first adjustment rods 101. According to the leg size, the binding belt 204 is pulled to fit the leg, and then the Velcro 206 on the binding belt 204 is bonded to the Velcro mother 205 to complete the connection between the device and the leg. Before assisting in straightening, according to the required support strength, the paddle 114 on the knob 113 is pulled, so that the connecting rod 109 drives the slide 110 in the slide groove 11 6 slides inside and pulls the spring 111 to make the block 115 away from the slot 105, and the rotating knob 113 drives the connecting shaft 107 to rotate under the limiting action of the limiting bar 117, thereby driving the tension of the adjusting spring 108. After the adjustment is completed, the knob 113 is released, and the block 115 is inserted into the slot 105 under the action of the spring 111 to achieve the fixed connection of the connecting shaft 107. When the thigh and calf are bent, the thigh drives the first adjusting rod 101 to remain stationary, and under the action of the spring 108, the second adjusting rod 102 drives the calf to rotate and support it to straighten.

[0031] In summary: In the embodiment of the utility model, the adjustment mechanism 1 can assist the knee joint to straighten the leg, and the strength of the auxiliary support can be adjusted by the tightening component. The operation is simple and convenient. The binding component 2 is used to facilitate connecting the device to the leg, and the inner diameter of the binding can be adjusted according to the size of the leg. A pad 4 is provided between the adjustment mechanism 1 on the support member to effectively improve the comfort of use.

[0032] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A knee joint straightening auxiliary support device, comprising a support member, wherein the support member comprises a support plate and a connecting plate, wherein the support plate is symmetrically fixed to both ends of the connecting plate, and wherein: It also includes an adjustment mechanism, and there are two adjustment mechanisms. The two adjustment mechanisms are connected to the upper end of the support plate. The adjustment mechanism includes a first adjustment rod and a second adjustment rod. The support member is fixed to the lower ends of the first adjustment rod and the second adjustment rod. The first adjustment rod is hinged to the second adjustment rod. The upper ends of the first adjustment rod and the second adjustment rod are connected to a plurality of restraint components for connecting with the leg restraints.

2. A knee joint straightening auxiliary support device according to claim 1, characterized in that: One end of the first adjusting rod is fixedly connected to a splint, and one end of the second adjusting rod is fixedly connected to a connecting shell. The connecting shell is rotatably connected to the splint, and a connecting shaft is rotatably connected in the connecting shell. Both ends of the connecting shaft rotatably extend out of the splints on both sides. A spring is sleeved on the connecting shaft, and both ends of the spring are respectively fixedly connected to the connecting shaft and the inner wall of the connecting shell.

3. A knee joint straightening auxiliary support device according to claim 2, characterized in that: A tightening assembly is provided on the connecting shaft, and the tightening assembly includes a connecting rod and a knob. A sliding groove is provided in the connecting shaft, and the connecting rod slides into the sliding groove. A sliding plate is fixedly connected to one end of the connecting rod, and the sliding plate is slidably adapted in the sliding groove. A spring is fixed in the sliding groove, and the other end of the spring is fixed to the sliding plate. A clamping plate is fixedly connected to the outer side of the splint, and the clamping plate is provided with clamping grooves in a ring array. A clamping block is fixedly connected to one side of the knob, and the clamping block is adapted to the clamping groove.

4. A knee joint straightening auxiliary support device according to claim 3, characterized in that: One end of the connecting shaft is fixedly connected to a limiting plate, and the limiting plate is rotatably arranged on one side of the clamping plate.

5. The knee joint straightening auxiliary support device according to claim 3, characterized in that: The inner wall of the sliding groove is symmetrically fixedly connected to the limiting strip, and the sliding sheet is provided with a groove, and the groove is slidably adapted to the limiting strip.

6. The knee joint straightening auxiliary support device according to claim 3, characterized in that: A paddle is fixedly connected to the outer side of the knob.

7. The knee joint straightening auxiliary support device according to claim 1, characterized in that: The restraint assembly includes a first connecting block and a second connecting block restraint belt, the first connecting block and the second connecting block are respectively fixed to the upper ends of two adjustment mechanisms, one end of the restraint belt is connected to the first connecting block, the second connecting block is provided with a connecting through hole, the other end of the restraint belt passes through the connecting hole, a Velcro mother patch is fixed to the restraint belt, a Velcro sub-tape is fixed to the end of the restraint belt, and the Velcro sub-tape is bonded to the Velcro mother patch.

8. A knee joint straightening auxiliary support device according to any one of claims 1 to 7, characterized in that: A plurality of the support members are provided with pads, and the pads are arranged between the two adjustment mechanisms.