Knee joint rehabilitation device
By designing a knee joint rehabilitation device that includes a base, support rod, U-shaped frame and suspension rope, patients can independently choose the training intensity and method, solving the problem of strong reliance on human effort in traditional rehabilitation training and realizing independent and targeted rehabilitation training of both lower limbs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional knee joint rehabilitation training relies on manual assistance from therapists, which makes it impossible for patients to conduct targeted training independently, resulting in a high degree of dependence on human intervention.
A rehabilitation device was designed, comprising a base, support rods, a U-shaped frame, a training structure, a rotating shaft, a fixed pulley, and a suspension rope. Patients can choose the training structure according to their own condition and perform self-training through counterweights and limiting components to achieve targeted rehabilitation of both lower limbs.
Patients can choose the intensity and method of training independently, reducing reliance on manual labor, improving the targeting and safety of training, and achieving synchronous rehabilitation of both lower limbs.
Smart Images
Figure CN224099914U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of knee joint rehabilitation, in particular to a rehabilitation device for knee joint. BACKGROUND
[0002] Knee joint as the biggest and complex structure of human body load-bearing joint, in sports injury, degenerative changes and postoperative rehabilitation often need to carry out systematic rehabilitation training. Traditional rehabilitation training is mostly dependent on the therapist to assist the patient to complete the flexion and extension movement, and needs to adjust the training intensity and angle in real time according to the recovery degree of the patient, there is strong problem of human dependence, the patient cannot carry out targeted training according to the situation of left and right limbs, it is more troublesome. UTILITY MODEL CONTENT
[0003] In view of the deficiency of prior art, the utility model provides a rehabilitation device for knee joint, which can assist the patient to carry out targeted training according to the situation of left and right limbs, reduce the human dependence, and effectively solve the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a rehabilitation device for knee joint, including base, the base is flat cuboid, the vertical support is fixedly arranged on the rear side of the upper surface of base, the top of support is provided with the U-shaped frame of prostrate to the front, the bottom surface of the lateral part of U-shaped frame rear side is fixedly connected with the top surface of support, the bottom surface of the parallel part of U-shaped frame left and right sides is provided with the training structure for left and right limbs respectively;
[0005] The top front side of support is also fixedly provided with the pivot extending to the front, the first fixed pulley is rotatably arranged on the pivot;
[0006] The base on the front side of support is fixedly provided with the sleeve pipe of upper opening, the sliding rod is slidably arranged in the sleeve pipe, the limiting bolt matched with the sliding rod is screwed inward on the side surface of sleeve pipe, the seat plate is fixedly arranged on the top surface of sliding rod, and the backrest is arranged on the front side of seat plate.
[0007] As a preferred technical scheme, the training structure includes n-shaped support, the screw rod is fixedly arranged on the top surface of n-shaped support, the screw hole matched with the screw rod is embedded in the bottom surface of parallel part of U-shaped frame, the second fixed pulley is arranged in n-shaped support, the lifting rope is arranged on the second fixed pulley respectively, the first lifting ring is fixedly arranged on the top surface of counterweight, and the second lifting ring is fixedly arranged on the top surface of foot limiting part.
[0008] As a preferred technical scheme, the foot limiting part is the sleeve structure of front and rear openings, and the rubber layer is bonded on the inner bottom surface.
[0009] As a preferred technical scheme, the cross section of sleeve pipe and sliding rod is square structure matched with each other.
[0010] As a preferred technical scheme, the rear side of the supporting rod is fixed with the rear extending cross bars from bottom to top.
[0011] As a preferred technical scheme, the front end of the rotating shaft is threadedly connected with the limiting block.
[0012] As a preferred technical scheme, the left and right sides of the backrest are respectively fixed with the fixing ears, and the fixing ears are respectively tied with the two ends of the fixing belt.
[0013] Compared with the prior art, the utility model provides a kind of rehabilitation device for knee joint, with the following beneficial effects:
[0014] 1. The second fixed pulley is arranged in the n-shaped support, and the lifting rope is arranged on the second fixed pulley. One side of the lifting rope is tied with the first lifting ring at the lower end, and the first lifting ring is fixed on the top surface of the counterweight. The other side of the lifting rope is tied with the second lifting ring at the lower end, and the second lifting ring is fixed on the top surface of the foot limiting member. When in use, the patient can choose one side of the training structure for training according to the condition of the left and right limbs. Specifically, the patient can replace the counterweight according to the weight that can be borne, and then insert the foot into the foot limiting member. Then, the patient can train by lifting the leg up and down. The patient can stand or sit (sit on the seat plate) for training. When standing, the patient can hold the two parallel parts of the U-shaped support, which is beneficial to keeping balance.
[0015] 2. The front side of the top of the supporting rod is also fixed with the rotating shaft extending forward, and the first fixed pulley is rotatably arranged on the rotating shaft. When in use, one lifting rope is arranged on the first fixed pulley, and the lower end is tied with the foot limiting block. Then, the patient can sit and insert both feet into the foot limiting block. The left and right limbs can be trained alternately up and down, and the rehabilitation training of both lower limbs can be realized at the same time.
[0016] 3. The cross section of the sleeve and the sliding rod is a square structure that matches each other. When in use, the sleeve and the sliding rod can limit each other, avoid the circumferential sliding of the seat plate, and improve the safety of use.
[0017] 4. The rear side of the supporting rod is fixed with the rear extending cross bars from bottom to top. When in use, the patient can stand on one side of the supporting rod, lift the affected limb and place it on the cross bars at different heights, and then train the left and right affected limbs.
[0018] 5. The left and right sides of the backrest are respectively fixed with the fixing ears, and the fixing ears are respectively tied with the two ends of the fixing belt. When in use, the patient can sit on the seat plate, and the fixing belt can be tied with the fixing ears on the left and right sides, which can fix the patient's body and avoid falling, and improve the safety of use.
[0019] 6. The device can train automatically, reducing the dependence on manpower. BRIEF DESCRIPTION OF DRAWINGS
[0020] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application:
[0021] Figure 1 It is a three-dimensional structure schematic diagram of the first embodiment of the present application;
[0022] Figure 2 It is Figure 1 It is an enlarged structure schematic diagram of one training structure;
[0023] Figure 3 It is Figure 1 It is a three-dimensional structure schematic diagram of another angle;
[0024] Figure 4 It is another use state diagram of the first embodiment;
[0025] Figure 5 It is a three-dimensional structure schematic diagram of the second embodiment of the present application.
[0026] Indicated in the figure: 1. Base; 2. Strut; 21. Crossbar; 3. U-shaped support; 4. Training structure; 41. N-shaped support; 42. Screw rod; 43. Second fixed pulley; 44. Suspension rope; 45. First lifting ring; 46. Second lifting ring; 47. Counterweight; 48. Foot limiting piece; 5. Rotation shaft; 6. First fixed pulley; 7. Sleeve; 71. Limiting bolt; 72. Slide rod; 73. Seat plate; 74. Backrest; 75. Fixed lug; 76. Fixed belt. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1
[0028] As Figures 1 to 4As shown, a rehabilitation device for the knee joint includes a base 1, which is a flat rectangular parallelepiped. A vertical support rod 2 is fixedly mounted on the rear side of the upper surface of the base 1. A forward-lying U-shaped frame 3 is mounted on the top of the support rod 2. The bottom surface of the rear horizontal portion of the U-shaped frame 3 is fixedly connected to the top surface of the support rod 2. The bottom surfaces of the parallel portions on the left and right sides of the U-shaped frame 3 are provided with training structures 4 for the left and right limbs, respectively. A forward-extending pivot 5 is also fixedly mounted on the front side of the top of the support rod 2. A first fixed pulley 6 is rotatably mounted on the pivot 5. An open-topped sleeve 7 is fixedly mounted on the base 1 on the front side of the support rod 2. A sliding rod 72 is slidably mounted in the sleeve 7. A limiting bolt 71 that mates with the sliding rod 72 is screwed inward on the side of the sleeve 7. A seat plate 73 is fixedly mounted on the top surface of the sliding rod 72. A backrest 74 is provided on the front side of the seat plate 73.
[0029] The training structure 4 includes an n-shaped support 41, with a screw 42 fixedly mounted on the top surface of the n-shaped support 41. The bottom surface of the parallel part of the U-shaped frame 3 is fitted with a screw hole (not shown) that mates with the screw 42. The n-shaped support 41 is equipped with a second fixed pulley 43, and a suspension rope 44 is placed on the second fixed pulley 43. The lower end of one side of the suspension rope 44 is tied to a first hanging ring 45, which is fixed to the top surface of the counterweight 47. The lower end of the other side of the suspension rope 44 is tied to a second hanging ring 46, which is fixed to the top surface of the foot limiting member 48.
[0030] The foot limiting component 48 is a sleeve structure with openings at the front and back, and a rubber layer is bonded to the inner bottom surface (not marked separately).
[0031] The cross-sections of the sleeve 7 and the slide rod 72 are square structures that fit together.
[0032] The rear side of the support rod 2 is fixed with horizontal bars 21 extending backward from bottom to top at intervals.
[0033] The front end of the rotating shaft 5 is threaded with a limit block (not marked separately).
[0034] In use, the patient can select one side of the training structure 4 according to the condition of the left and right limbs, and specifically, can replace the weight block 47 according to the weight that can be borne, then inserts the foot into the foot limiting piece 48, and then can reciprocatingly lift the leg to train, and the patient can take a standing or sitting position (sits on the seat plate 73) to train, and when standing, can hold the two parallel parts of the U-shaped support 3, which is beneficial to keeping balance. A lifting rope 44 is arranged on the first fixed pulley 6, and the lower end is tied to the foot limiting block (the upper second lifting ring 46), so that the patient can take a sitting position, inserts both feet into the foot limiting block, and then trains the left and right limbs alternately upward and downward to realize the rehabilitation training of both lower limbs at the same time. The sleeve 7 and the sliding rod 72 can limit each other, avoid the circumferential sliding of the seat plate 73, are beneficial to the safety of use, and can adjust the height to adapt to patients with different body shapes. The patient can stand on one side of the support rod 2, lift the affected limb and place it on the cross rod 21 at different heights, and can specifically lift the left and right affected limbs. Embodiment 2
[0035] As shown in Figure 5 The fixed ears 75 are fixed on the left and right sides of the backrest 74 respectively, and are tied to the fixed belt 76 at both ends.
[0036] In use, when the patient sits on the seat plate 73, the fixed belt 76 can be tied to the fixed ear 75 on the left and right sides to fix the patient's body, avoid falling, and be beneficial to improving the safety of use.
[0037] The components used in the utility model are all general standard components or components known by those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.
[0038] It should be noted that in this paper, the terms "first", "second", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0039] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes of the utility model, should still fall within the scope of the disclosed technology.
[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A rehabilitation device for a knee joint, characterized by: The base is in the shape of a flat cuboid, a vertical support rod is fixed on the upper surface of the base, a U-shaped frame is arranged on the top of the support rod, the bottom surface of the lateral part of the U-shaped frame is fixedly connected with the top surface of the support rod, and the bottom surfaces of the parallel parts on the left and right sides of the U-shaped frame are provided with training structures for the left and right limbs respectively; A rotating shaft is fixedly arranged on the front side of the top of the support rod and extends forward, a first fixed pulley is rotatably arranged on the rotating shaft; An upper opening sleeve is fixedly arranged on the base on the front side of the support rod, a sliding rod is slidably arranged in the sleeve, a limiting bolt is screwed into the sleeve on the side surface and matched with the sliding rod, a seat plate is fixedly arranged on the top surface of the sliding rod, and a backrest is arranged on the front side of the seat plate.
2. A rehabilitation device for knee joint as claimed in claim 1 wherein: The training structure comprises an n-shaped support, a screw rod is fixedly arranged on the top surface of the n-shaped support, screw holes matched with the screw rod are embedded in the bottom surface of the parallel part of the U-shaped frame, a second fixed pulley is arranged in the n-shaped support, a hanging rope is arranged on the second fixed pulley, one side of the lower end of the hanging rope is fixedly connected with a first ring, the first ring is fixed on the top surface of a counterweight, and the other side of the lower end of the hanging rope is fixedly connected with a second ring, the second ring is fixed on the top surface of a foot limiting member.
3. A rehabilitation device for knee joint as claimed in claim 2 wherein: The foot limiting member is a sleeve structure with an opening in front and back, and a rubber layer is bonded to the inner bottom surface.
4. A rehabilitation device for knee joint as claimed in claim 1 wherein: The cross sections of the sleeve and the sliding rod are square structures matched with each other.
5. The rehabilitation device for knee joint as claimed in claim 1 wherein: A horizontal rod is fixedly arranged on the rear side surface of the support rod and extends rearward.
6. A rehabilitation device for knee joint as claimed in claim 1 wherein: A limiting block is threadedly connected with the front end of the rotating shaft.
7. A rehabilitation device for knee joint as claimed in claim 1 wherein: Fixed ears are fixedly arranged on the left and right sides of the backrest respectively, and the fixed ears are fixedly connected with the ends of a fixing belt.