Rehabilitation assisting device for knee joint movement training

Abstract

The utility model discloses a rehabilitation assisting device for knee joint movement training, which relates to the technical field of rehabilitation medical instruments and comprises two fixing supports, angle limiters are arranged behind opposite sides of the two fixing supports, and the two fixing supports are in central symmetry by taking the angle limiters as circle centers. The inner side of the fixing support is fixedly connected with a lining protection pad in the same shape, the inner side of the lining protection pad can be tightly attached to the outer side of the leg, and the front end and the rear end of the top end of the fixing support are jointly provided with two fixing bandages. The rotating limiting beam is driven to move by adjusting the position of the angle fixing assembly, the rotating range of the fixing support is limited, the operation mode of the device can be simplified, the convenience of the device is improved, the fixing clamping column and the fixing connecting column can be fixed through the buckle fixing assembly, and the practicability is high. And a user can adjust the device by himself according to requirements, so that the adjustability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rehabilitation medical apparatus and instruments, specifically to a rehabilitation auxiliary device for knee joint activity training. BACKGROUND

[0002] The patient with proximal fracture of knee joint or injury of knee joint ligament needs to be fixed by the instrument after conservative treatment or operation to limit the activity of joint so as to recover normally to bone or soft tissue, and after the recovery of bone or soft tissue, the fixed device is removed, and the patient will have different degrees of knee joint dysfunction, which affects the walking and knee bending squatting function of the patient, and needs to be rehabilitated through the device for knee joint activity training.

[0003] The prior art has the following problems:

[0004] The existing rehabilitation auxiliary device for knee joint activity training provides support and limits the range of activity to the knee joint to assist in rehabilitation training, can protect the knee joint from excessive stretching or bending when the patient actively moves, and at the same time provides a certain stability, but the difficulty of angle adjustment of different devices is different, the operation difficulty is high when facing different objects, and the number of leg fixing components of the device cannot be adjusted, so that the fixing effect is poor when facing different object requirements. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of rehabilitation auxiliary device for knee joint activity training to solve the problems raised in the above background.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A kind of rehabilitation auxiliary device for knee joint activity training, including two fixed supports, the rear of two the fixed support opposite side is provided with angle limiter, two the fixed support is centrosymmetric with angle limiter as center, the inboard of the fixed support is fixedly connected with the same shape inner lining pad, the inboard of the inner lining pad can be tightly attached to leg outside, the top end of the fixed support front and rear end is commonly provided with fixed bandage.

[0008] The further improvement in the utility model technical scheme lies in that the angle limiter comprises two support rotary plates, the two support rotary plates are located at the front and back of the opposite sides of the two fixed supports respectively, a support connecting column is fixedly connected at the middle of the opposite sides of the two support rotary plates, a rotary guide groove is formed at the opposite side outer side of the two support connecting columns, the fixed support slides between the two rotary guide grooves, a rotary sleeve is rotationally connected to the outer surface of the support connecting column, a rotary limiting beam is fixedly connected to the outer surface of the rotary sleeve, the rotary limiting beam is J-shaped, one end of the rotary limiting beam away from the bending part is fixedly connected to the outer surface of the rotary sleeve, the other end of the rotary limiting beam close to the bending part extends to the outer side of the support rotary plate, the support rotary plate is close to the outer surface of the rear support rotary plate at the bending part, a plurality of fixing holes are formed at the outer side of the rear end of the rear support rotary plate, and an angle fixing assembly is arranged at the end of the rotary limiting beam close to the bending part.

[0009] The further improvement in the utility model technical scheme lies in that the angle fixing assembly comprises a support fixing block, the support fixing block is fixedly connected to the end of the rotary limiting beam close to the bending part, an adjusting threaded column is threadedly connected to the middle of the rear end of the support fixing block, a control knob is fixedly connected to the rear end of the adjusting threaded column, a support spring is fixedly connected to the front end of the adjusting threaded column, and a fixing column is fixedly connected to the front end of the support spring.

[0010] The further improvement in the utility model technical scheme lies in that the outer surface of the fixing column is inclined, and the diameter of the fixing column is equal to the diameter of the fixing hole.

[0011] The further improvement in the utility model technical scheme lies in that the two fixed bands close to the angle limiter comprise two front and back parallel fixing buckles, a fixing band is arranged between the top of the two fixing buckles, a connecting bottom column is fixedly connected to the side of the fixing buckle bottom end close to the inner lining pad, a fixing connecting column is fixedly connected to the end of the connecting bottom column close to the fixing buckle, the fixing connecting column extends to the outer side of the end of the fixing buckle away from the connecting bottom column and penetrates the fixing buckle, a fixing clamping column is fixedly connected to the end of the fixing connecting column away from the connecting bottom column, and the fixing clamping column and the fixing connecting column can pass through the fixed support.

[0012] The further improvement in the utility model technical scheme lies in that the fixed support comprises a support main body, the support main body is fixedly connected to the outer surface of the inner lining pad at the inner side, and a buckle fixing assembly is arranged at the position of the fixing buckle of the support main body.

[0013] The further improvement in the technical scheme of the utility model lies in that the buckle fixing assembly comprises a supporting clamping column, plug-in guide columns are fixedly connected to the left and right sides of the supporting clamping column, the plug-in guide columns are slidably connected to the inside of the bracket main body with the supporting clamping column, a matching supporting groove is formed at the bottom end of the supporting clamping column, a fixed clamping groove is formed at the rear of the matching supporting groove, a moving groove is formed at the rear end of the supporting clamping column, and a fixed hook is rotatably and slidably connected to the inside of the moving groove.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1. The rehabilitation auxiliary device for knee joint activity training can fix the knee around through the fixing support and the inner lining pad, can connect two fixing supports for rotation through the angle limiter, can drive the rotating limiting beam to move by adjusting the position of the angle fixing assembly, thereby limiting the rotation range of the fixing support, can make the adjusting threaded column drive the supporting spring to press down by controlling the rotation of the knob, can fix the position of the supporting fixed block through the fixed column entering the fixed hole, thereby fixing the position of the rotating limiting beam, the rotation mode of the control knob can simplify the operation mode of the device and improve the convenience of the device.

[0016] 2. The rehabilitation auxiliary device for knee joint activity training can connect the bracket main body through the fixing buckle and the fixing belt, fix the fixed clamping column and the fixed connecting column into the bracket main body, then fix the fixed clamping column and the fixed connecting column through the buckle fixing assembly, prevent the fixed clamping column from being pulled out, make the device can be disassembled and assembled with the fixing belt, the user can adjust according to the demand, improve the adjustability of the device, and can fix the bracket main body through the supporting clamping column inserted into the fixed hook, prevent the supporting clamping column from being pulled out, thereby strengthening the fixation of the fixed connecting column. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the angle limiter of the utility model;

[0019] Figure 3 It is a structural schematic view of the angle fixing assembly of the utility model;

[0020] Figure 4 It is a structural schematic view of the fixed band of the utility model;

[0021] Figure 5 It is a structural schematic view of the buckle fixing assembly of the utility model.

[0022] In the figure: 1, fixed bandage; 11, fixed band; 12, fixed buckle; 13, connecting column; 14, fixed connecting column; 15, fixed clamping column; 2, fixed support; 21, support body; 22, buckle fixing assembly; 221, insertion guide column; 222, supporting clamping column; 223, fixed clamping groove; 224, moving groove; 225, fixed hook; 226, fitting support groove; 3, inner lining pad; 4, angle limiter; 41, rotation limiting beam; 42, angle fixing assembly; 421, control knob; 422, adjusting threaded column; 423, supporting fixed block; 424, supporting spring; 425, fixed column; 43, supporting rotation plate; 44, rotating sleeve; 45, supporting connecting column; 46, fixed hole; 47, rotating guide groove. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments:

[0024] As shown in Figures 1-5 The utility model provides a kind of rehabilitation auxiliary device for knee joint activity training, including two fixed supports 2, two fixed supports 2 relative side rear are provided with angle limiter 4, two fixed supports 2 are centrosymmetric with angle limiter 4 as center, and the same shape inner lining pad 3 is fixedly connected in the inside of fixed support 2, and the inside of inner lining pad 3 can be tightly attached to leg outside, and fixed bandage 1 is jointly provided in the top end of fixed support 2 front and rear end.

[0025] Angle limiter 4 plays the role of connecting and limiting the relative motion of two fixed supports 2, and the shape of the inner lining pad 3 inside the fixed support 2 is matched with the outside of leg, when the device is used, the inside of inner lining pad 3 is tightly attached to leg outside, and the fixed bandage 1 jointly provided in the top end of fixed support 2 front and rear end is used to fix the whole device on the leg of patient, through the fastening effect of fixed bandage 1, prevent the device from displacement when knee joint activity, ensure the effectiveness and safety of training.

[0026] As shown in Figure 2As shown, this utility model provides a technical solution for a rehabilitation assistive device for knee joint mobility training: Preferably, the angle limiter 4 includes two supporting rotating plates 43, which are located at the front and rear of opposite sides of two fixed supports 2, respectively. A supporting connecting column 45 is fixedly connected to the middle of the opposite sides of the two supporting rotating plates 43. Rotational guide grooves 47 are provided on the outer sides of the opposite sides of the two supporting connecting columns 45. The fixed supports 2 slide between the two rotational guide grooves 47, and the outer surface of the supporting connecting columns 45 is rotatably connected to... A rotating sleeve 44 has a rotating limiting beam 41 fixedly connected to its outer surface. The rotating limiting beam 41 is J-shaped. The end of the rotating limiting beam 41 away from the bend is fixedly connected to the outer surface of the rotating sleeve 44. The end of the rotating limiting beam 41 closer to the bend extends to the outside of the supporting rotating plate 43. The bend of the supporting rotating plate 43 is in close contact with the outer surface of the rear supporting rotating plate 43. Several fixing holes 46 are opened on the outer side of the rear end of the rear supporting rotating plate 43. An angle fixing component 42 is provided at the end of the rotating limiting beam 41 near the bend.

[0027] Two supporting rotating plates 43 are fixedly connected by supporting connecting columns 45 at the middle of opposite sides to form a stable frame structure. The rotating guide groove 47 provides a precise sliding track for the fixed bracket 2. When the knee joint flexes and extends, the fixed bracket 2 will slide along the rotating guide groove 47. The rotating limiting beam 41 will rotate with the rotation of the supporting rotating plate 43 through the fixing of the angle fixing component 42. Thus, it will contact the fixed bracket 2 during the rotation process to prevent the fixed bracket 2 from rotating excessively and to limit the rotation range.

[0028] like Figure 3 As shown, this utility model provides a technical solution for a rehabilitation assistive device for knee joint mobility training: Preferably, the angle fixing component 42 includes a support fixing block 423, the outer surface of the support fixing block 423 is fixedly connected to one end of the rotation limiting beam 41 near the bend, the rear end of the support fixing block 423 is threadedly connected to an adjusting threaded column 422, the rear end of the adjusting threaded column 422 is fixedly connected to a control knob 421, the front end of the adjusting threaded column 422 is fixedly connected to a support spring 424, and the front end of the support spring 424 is fixedly connected to a fixing column 425.

[0029] like Figure 3 As shown, this utility model provides a technical solution for a rehabilitation assistive device for knee joint activity training: preferably, the lower side of the outer surface of the fixing column 425 is an inclined surface, and the diameter of the fixing column 425 is equal to the diameter of the fixing hole 46.

[0030] When the angle range of the knee joint needs to be adjusted, the adjusting screw column 422 is operated by rotating the control knob 421, and since the adjusting screw column 422 is in threaded connection with the rear end of the supporting fixed block 423, the rotating control knob 421 will move the adjusting screw column 422 in the supporting fixed block 423 forward and backward, when the adjusting screw column 422 moves backward, the supporting spring 424 is compressed, and the fixed column 425 at the front end is moved backward, so that the fixed column 425 is separated from the fixed hole 46 on the outer side of the rear end of the rear supporting rotating plate 43, at this time the rotating limiting beam 41 can be freely rotated, thereby allowing the angle of the fixed support 2 to be adjusted.

[0031] As Figure 4 shown, the utility model provides a kind of rehabilitation auxiliary device for knee joint activity training technical scheme: preferably, two fixed bands 1 close to angle limiter 4 include two front and rear parallel fixed buckles 12, fixed band 11 is arranged between the top of two fixed buckles 12, fixed buckle 12 bottom end is fixedly connected with connecting bottom column 13 close to one side of inner lining pad 3, connecting bottom column 13 is fixedly connected with fixed connecting column 14 close to one end of fixed buckle 12, fixed connecting column 14 extends to the outer side of one end of fixed buckle 12 away from connecting bottom column 13, and fixed connecting column 14 is fixedly connected with fixed clamping column 15 away from one end of connecting bottom column 13, fixed clamping column 15 and fixed connecting column 14 can be connected by fixed support 2.

[0032] Fixed band 11 is used to surround leg, by adjusting the length of fixed band 11, different thickness legs can be adapted, and the whole device is tightly bound on leg, fixed buckle 12 is used to support and connect component, and fixed clamping column 15 is the key to realize the connection between fixed band 1 and fixed support 2.

[0033] As Figure 4 shown, the utility model provides a kind of rehabilitation auxiliary device for knee joint activity training technical scheme: preferably, fixed support 2 includes support main body 21, support main body 21 is fixedly connected to the outer surface of inner lining pad 3 by inner lining pad 3, and support main body 21 provides stable lateral support for knee joint by evenly transmitting support force to leg, support main body 21 is fixedly connected to the outer surface of inner lining pad 3, and buckle fixing assembly 22 is arranged at the position of fixed buckle 12, and buckle fixing assembly 22 is matched with fixed clamping column 15 and fixed connecting column 14 on fixed band 1.

[0034] As Figure 5As shown, the utility model provides a kind of rehabilitation auxiliary device for knee joint activity training technical scheme: preferably, buckle fixing assembly 22 includes support card column 222, support card column 222 left and right sides are fixedly connected with insertion guide column 221, insertion guide column 221 and support card column 222 upper and lower sliding connection are in the inside of support main body 21, support card column 222 bottom end is equipped with the lamination support groove 226, the lamination support groove 226 rear is equipped with fixed clamping groove 223, support card column 222 rear end is equipped with moving groove 224, fixed hook 225 is rotatably and slidingly connected in moving groove 224 inner side, and the inner side of the bottom bending portion of fixed hook 225 can be tightly attached with the bottom of support main body 21.

[0035] Support card column 222 can be pressed down under the sliding of fixed clamping groove 223, enter the fixed connection column 14 of support main body 21 by lamination support groove 226 pressing down, and make fixed clamping column 15 enter fixed clamping groove 223, prevent fixed clamping column 15 from pulling out from support main body 21, and control fixed hook 225 to descend and rotate, so that the bending portion of fixed hook 225 is located below support main body 21, after the upward movement of fixed hook 225, the bending portion is contacted with the bottom side of support main body 21, prevent support card column 222 from pulling out, and the fixed clamping column 15 is fixed again, to improve the effect of fixing.

[0036] The working principle of the rehabilitation auxiliary device for knee joint activity training will be described below.

[0037] As shown, Figures 1-5 Take out the device, check whether each component is intact, ensure that the rotary limit beam 41 of angle limiter 4 is in adjustable state, open fixed bandage 1, align inner lining pad 3 with knee joint, make two fixed supports 2 be located at both sides of knee joint respectively, according to rehabilitation requirement, rotate control knob 421, make adjusting screw column 422 drive support spring 424 and fixed column 425 to move, insert fixed column 425 into corresponding fixed hole 46, determine the range of knee joint activity angle, rotary limit beam 41 is fixed, limit the rotation range of fixed support 2, when fixed bandage 1 needs to be installed and disassembled, fixed clamping column 15 and fixed connection column 14 are inserted into corresponding position on fixed support 2, make support card column 222 move up under the guidance of insertion guide column 221, fixed clamping column 15 enters lamination support groove 226, at this time, support card column 222 is pressed down, fixed clamping column 15 enters fixed clamping groove 223, complete preliminary fixing, control fixed hook 225 to descend and rotate, so that the bending portion of fixed hook 225 is located below support main body 21, after the upward movement of fixed hook 225, the bending portion is contacted with the bottom side of support main body 21, prevent support card column 222 from pulling out, and the fixed clamping column 15 is fixed again, to improve the effect of fixing.

[0038] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A rehabilitation assistive device for knee joint mobility training, comprising two fixed supports (2), characterized in that: Angle limiters (4) are provided on the opposite rear sides of the two fixed brackets (2). The two fixed brackets (2) are symmetrical about the angle limiters (4). The inner side of the fixed brackets (2) is fixedly connected with the same shape of inner lining pad (3). The inner side of the inner lining pad (3) can fit tightly against the outside of the leg. The front and rear ends of the top of the fixed brackets (2) are provided with two fixing straps (1).

2. The rehabilitation assistive device for knee joint mobility training according to claim 1, characterized in that: The angle limiter (4) includes two supporting rotating plates (43), which are located at the front and rear of opposite sides of two fixed supports (2). A supporting connecting column (45) is fixedly connected to the middle of the opposite sides of the two supporting rotating plates (43). Rotary guide grooves (47) are provided on the outer sides of the opposite sides of the two supporting connecting columns (45). The fixed support (2) slides between the two rotating guide grooves (47). A rotating sleeve (44) is rotatably connected to the outer surface of the supporting connecting column (45). The outer surface of the rotating sleeve (44) is fixedly connected to... There is a rotating limiting beam (41), which is J-shaped. The end of the rotating limiting beam (41) away from the bend is fixedly connected to the outer surface of the rotating sleeve (44). The end of the rotating limiting beam (41) closer to the bend extends to the outside of the supporting rotating plate (43). The bend of the supporting rotating plate (43) is close to the outer surface of the rear supporting rotating plate (43). Several fixing holes (46) are opened on the outer side of the rear end of the rear supporting rotating plate (43). An angle fixing component (42) is provided at the end of the rotating limiting beam (41) near the bend.

3. The rehabilitation assistive device for knee joint mobility training according to claim 2, characterized in that: The angle fixing component (42) includes a support fixing block (423). The outer surface of the support fixing block (423) is fixedly connected to one end of the rotation limiting beam (41) near the bend. An adjusting threaded column (422) is threadedly connected to the middle of the rear end of the support fixing block (423). A control knob (421) is fixedly connected to the rear end of the adjusting threaded column (422). A support spring (424) is fixedly connected to the front end of the adjusting threaded column (422). A fixing column (425) is fixedly connected to the front end of the support spring (424).

4. A rehabilitation assistive device for knee joint mobility training according to claim 3, characterized in that: The lower side of the outer surface of the fixing post (425) is inclined, and the diameter of the fixing post (425) is equal to the diameter of the fixing hole (46).

5. A rehabilitation assistive device for knee joint mobility training according to claim 1, characterized in that: The two fixing straps (1) near the angle limiter (4) include two front and rear parallel fixing buckles (12). A fixing strap (11) is provided between the tops of the two fixing buckles (12). A connecting bottom post (13) is fixedly connected to the bottom end of the fixing buckle (12) near the inner lining pad (3). A fixing connecting post (14) is fixedly connected to the end of the connecting bottom post (13) near the fixing buckle (12). The fixing connecting post (14) extends through the fixing buckle (12) to the outside of the end of the fixing buckle (12) away from the connecting bottom post (13). A fixing locking post (15) is fixedly connected to the end of the fixing connecting post (14) away from the connecting bottom post (13). The fixing locking post (15) and the fixing connecting post (14) can be connected through the fixing bracket (2).

6. A rehabilitation assistive device for knee joint mobility training according to claim 5, characterized in that: The fixed bracket (2) includes a bracket body (21), the inner side of which is fixedly connected to the outer surface of the inner lining pad (3), and the bracket body (21) is provided with a buckle fixing component (22) at the fixing buckle (12) position.

7. A rehabilitation assistive device for knee joint mobility training according to claim 6, characterized in that: The buckle fixing assembly (22) includes a support post (222), and an insertion guide post (221) is fixedly connected to both the left and right sides of the support post (222). The insertion guide post (221) and the support post (222) are slidably connected to each other inside the bracket body (21). A fitting support groove (226) is provided at the bottom end of the support post (222), and a fixing groove (223) is provided behind the fitting support groove (226). A moving groove (224) is provided at the rear end of the support post (222). A fixing hook (225) is rotatably and slidably connected to the inside of the moving groove (224). The inside of the bottom bend of the fixing hook (225) can be tightly attached to the bottom of the bracket body (21).

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