CN115463388B - A kind of knee joint postoperative rehabilitation trainer - Google Patents

Abstract

The invention belongs to the technical field of rehabilitation training equipment, and relates to a knee joint postoperative rehabilitation training device, comprising: a base, two chutes, a slider, an elastic component, two pedals, a mounting plate, a seat cushion, and two sliding bars , a support assembly, a slide plate, and two pressure plates; a drive assembly, arranged on the side of the slide plate away from the mounting plate, for driving the slide plate to move horizontally along the two slide bars; a guide assembly, arranged at the lower part of the slide plate, connected with the two pressure plates, and used It is used to drive the two pressure plates to move vertically while the two pressure plates move horizontally to press down the patient's two knees. The present invention enables patients not only to perform knee joint bending exercises, but also to perform knee joint straightening exercises through the coordinated arrangement of two pedals, two sliders, elastic components, slide plates, two pressure plates, and driving component guide components. The physical exertion caused by the replacement of equipment is reduced, and the training effect is improved.

Description

A kind of rehabilitation trainer after knee joint operation

technical field

The invention belongs to the technical field of rehabilitation training equipment, and relates to a rehabilitation training device after knee joint surgery.

Background technique

The knee joint is composed of the lower end of the femur, the upper end of the tibia, and the patella. It is the largest and most complex joint in the human body. It bears a lot of weight and has a large amount of exercise. It belongs to the pulley joint and is the hub of lower limb activities. Therefore, its injury rate ranks first among all joints. Among them, one of the most common diseases is osteoarthritis, which is a chronic joint disease characterized by the degeneration, wear and tear of articular cartilage and bone hyperplasia. Long-term and increased joint load is the main external cause of the disease . At the same time, knee articular cartilage wear, meniscus injury, tibial plateau fracture, and tibial node avascular necrosis are also common diseases of the knee joint, and the occurrence of these diseases is related to joint load.

The recovery of the knee after surgery requires proper rehabilitation. Generally speaking, knee rehabilitation training requires bending exercises and knee joint straightening exercises. As the recovery stage continues to advance, gradually increase the training intensity for the patient, improve the training effect, and reduce the time required for recovery, so that the patient can quickly recover. recover.

At present, the existing knee joint bending exercises and knee joint straightening exercises use different equipment, and patients often need to exchange equipment to achieve different training purposes. However, it is troublesome to change equipment continuously, which not only consumes more The patient's physical strength also reduces the training effect.

Contents of the invention

The purpose of the present invention is to provide a knee joint postoperative rehabilitation training device to solve the problem that the equipment used in the existing knee joint bending exercise and knee joint straightening exercise is not the same, and it is troublesome to replace the equipment continuously, which not only consumes more The patient's physical strength also reduces the technical problems of the training effect.

In order to achieve the above object, the concrete technical scheme of a kind of knee joint postoperative rehabilitation trainer of the present invention is as follows:

A knee joint postoperative rehabilitation training device, comprising:

The upper surface of the base is symmetrically provided with two chutes, each of which is provided with a slider, and the slider is connected to the end of the chute through an elastic component;

Two foot pedals are respectively obliquely arranged on the upper surfaces of the two sliders;

The mounting plate is vertically arranged on the upper surface of the base, and is located at one end of the two chutes;

The seat cushion is arranged on the upper surface of the base, and is located at the other end of the two chutes;

Two sliding rods are arranged horizontally on the upper surface of the base, one end is respectively connected to the upper side of the mounting plate near the two sides of the mounting plate, and the other end is respectively connected to the base through the supporting component;

The slide plate is arranged horizontally between the two slide bars, and the two ends are slidably connected with the two slide bars;

Two pressure plates are arranged at the lower part of the slide plate, respectively located at the upper part of the two chute, respectively connected with the slide plate;

The drive assembly is arranged on the side of the slide plate away from the mounting plate, and is used to drive the slide plate to move horizontally along the two slide bars;

The guide assembly is arranged at the lower part of the slide plate and connected with the two pressure plates, and is used to drive the two pressure plates to move vertically to press down the patient's two knees while the two pressure plates move horizontally.

The present invention is also characterized in that:

Wherein the elastic component includes a limit rod, the limit rod is horizontally arranged inside the chute, the two ends of the limit rod are respectively connected with the two ends of the chute, the side of the slider is provided with a first through hole, and the limit rod passes through The first through hole, the first elastic member is sleeved between the slider and the end of the chute close to the mounting plate on the limit rod, and the two ends of the first elastic member are respectively connected to the side of the slider and the side of the chute. on the end.

Wherein the support assembly is composed of a support rod, the support rod is vertically arranged between the end of the slide bar and the base, and the two ends of the support rod are respectively connected to the end of the slide bar and the base.

Wherein the driving assembly includes a cross bar, the cross bar is horizontally arranged on the side of the slide plate away from the mounting plate, one end of the cross bar is connected to the side of the slide plate, the other end of the cross bar is connected to the upper end of the vertical bar, the vertical bar is vertically arranged, and the vertical bar The lower end is horizontally provided with a push rod, the shaft of the push rod is connected with the lower end of the vertical rod, and the push rod is relatively parallel to the slide plate.

The guide assembly includes two telescopic rods, the two telescopic rods are respectively vertically arranged between the two pressure plates and the slide plate, the two ends of each telescopic rod are respectively connected to the slide plate and the corresponding pressure plate, and each telescopic rod is sleeved There is a second elastic part, the two ends of the second elastic part are respectively connected to the slide plate and the pressure plate, and guide rods are arranged horizontally between the two pressure plates and the mounting plate, one end of the guide rod is connected to the side of the corresponding pressure plate, and the guide rod The other end is close to the mounting plate, and a guide block is arranged between the mounting plate and the guide rod. The side of the guide block away from the guide rod is connected with the mounting plate. The position close to the upper part is in contact with the end of the guide rod, and the lower part of the arc-shaped surface of the guide block is sunken toward the direction of the mounting plate.

Wherein the end of the guide rod close to the guide block is provided with a roller, the arc surface of the guide block is provided with an arc groove along the vertical direction, and the part of the roller away from the guide rod is located inside the arc groove.

An auxiliary training component is arranged between each pressing plate and the corresponding foot pedal, and the auxiliary training component is used to drive the foot pedal to move when the pressing plate moves, thereby assisting the knee joint of the patient to perform bending exercises.

Wherein the auxiliary training component includes two transmission rods, and the two transmission rods are respectively arranged on both sides of the pressing plate and the corresponding pedals, and the two ends of each transmission rod are respectively connected to the sides of the pressing plate and the corresponding pedals through the rotating shaft, each A fixing belt is arranged on the side of the pedal close to the seat cushion.

Wherein the side of the cushion away from the mounting plate is vertically provided with a backboard.

The sides of the slide plate close to the two slide bars are respectively provided with second through holes, and the two slide bars respectively pass through the corresponding second through holes.

A kind of rehabilitation trainer after knee joint operation of the present invention has the following advantages:

First, through the coordinated setting of two pedals, two sliders, elastic components, skateboards, two pressure plates, and driving component guide components, patients can not only perform knee joint bending exercises, but also knee joint straightening exercises , reduce the physical exertion caused by the replacement of equipment, and improve the training effect;

Second, through the setting of the guide assembly, the two pressure plates can make an arc movement with the patient's knees downward, and move with the patient's knees, so that the patient can perform knee joint compression exercises to improve knee joint compression. the effect of practice;

Thirdly, through the setting of auxiliary training components, the patient can perform knee joint bending exercise and knee joint straightening exercise at the same time, further reducing the exercise time and improving the training effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the front view structure schematic diagram of the present invention;

Fig. 3 is the top view structure schematic diagram of the present invention;

Reference signs:

1. Base; 2. Cushion; 3. Backboard; 4. Mounting plate; 5. Support rod; 6. Slider; 7. Chute; 8. Slider; 9. Pedal; 10. Skateboard; 11. Telescopic rod; 12, first elastic part; 13, second elastic part; 14, pressing plate; 15, guide rod; 16, guide block; 17, arc groove; 18, roller; 19, limit rod; Belt; 21, the first through hole; 22, the second through hole; 23, the cross bar; 24, the vertical bar; 25, the push rod; 26, the transmission rod.

Detailed ways

In order to better understand the purpose, structure and function of the present invention, a knee joint postoperative rehabilitation training device of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, a kind of postoperative rehabilitation training device for knee joint of the present invention comprises a base 1, and the upper surface of the base 1 is symmetrically provided with two chute 7, and each chute 7 is arranged along the length direction of the base 1, each A slider 8 is provided in a chute 7, and the end of the slider 8 and the chute 7 is connected by an elastic component, which facilitates the slider 8 to reset after sliding in the corresponding chute 7 through the elastic component. Pedals 9 are arranged obliquely, and two pedals 9 are used for the patient's feet to step on. The upper surface of the base 1 is vertically provided with a mounting plate 4, and the mounting plate 4 is located at one end of the two chute 7. The upper surface of the base 1 The other end that is positioned at two chutes 7 is provided with cushion 2, and cushion 2 is used for patient to sit on it, and the upper end of each pedal 9 is inclined toward mounting plate 4 direction, is convenient to make both feet step on two pedals 9, and forcibly drives the corresponding slider 8 to move along the chute 7 through two pedals 9 to perform knee joint bending exercises. The upper surface of the base 1 is horizontally provided with two slide bars 6, and the two slide bars 6 One end is respectively connected to the upper part of the side of the mounting plate 4 near the two sides of the mounting plate 4, the other ends of the two sliding rods 6 are respectively connected to the base 1 through the support assembly, and the two sliding rods 6 are relatively parallel to the two slide grooves 7 respectively. A slide plate 10 is arranged horizontally between the two slide bars 6, and the two ends of the slide plate 10 are respectively slidably connected with the two slide bars 6 to facilitate the horizontal movement of the slide plate 10 along the two slide bars 6. Two pressing plates are arranged at the bottom of the slide plate 10 14. The two pressure plates 14 are respectively located on the upper part of the two chute 7, and the two pressure plates 14 are respectively connected with the slide plate 10, and the side of the slide plate 10 away from the mounting plate 4 is provided with a drive assembly, which is used to drive the slide plate 10 along the two The slide bar 6 moves horizontally, the slide plate 10 drives the two pressure plates 14 to move horizontally, the lower part of the slide plate 10 is provided with a guide assembly, the guide assembly is connected with the two pressure plates 14, and the guide assembly is used to drive the two pressure plates 14 while moving horizontally 14 moves vertically to press down the two knees of the patient, and can make the two pressing plates 14 press down the two knees with the arc movement of the two knees downwards, so as to improve the effect of the knee joint straightening exercise, so that Patients can not only perform knee joint bending exercises, but also knee joint straightening exercises, which reduces the physical exertion caused by changing equipment and improves the training effect.

As shown in Figures 2 and 3, the elastic assembly includes a stop rod 19, which is horizontally arranged in the inside of the chute 7, and the two ends of the stop rod 19 are respectively connected with the two ends of the chute 7, and the two ends of the slide block 8 The side is provided with a first through hole 21, and the stop rod 19 passes through the first through hole 21, and the slider 8 can move freely along the chute 7 and the stop rod 19, so as to avoid shaking when the stop rod 19 moves. 19 is located between the slider 8 and the end of the chute 7 close to the mounting plate 4, and the first elastic member 12 is sleeved. The two ends of the first elastic member 12 are respectively connected to the side of the slider 8 and the side of the chute 7. At the end, the slide block 8 can be reset after being moved along the chute 7 towards the direction of the mounting plate 4 .

The supporting assembly is composed of a supporting rod 5, which is vertically arranged between the end of the sliding rod 6 and the base 1, and the two ends of the supporting rod 5 are respectively connected to the end of the sliding rod 6 and the base 1.

As shown in Figures 1, 2, and 3, the driving assembly includes a crossbar 23, which is horizontally arranged on the side of the slide plate 10 away from the mounting plate 4, and one end of the crossbar 23 is connected to the side of the slide plate 10, and the other end of the crossbar 23 The upper end of the vertical rod 24 is connected, the vertical rod 24 is vertically arranged, the lower end of the vertical rod 24 is horizontally provided with a push rod 25, the shaft of the push rod 25 is connected with the lower end of the vertical rod 24, and the push rod 25 is relatively parallel to the slide plate 10, The patient holds both ends of the push rod 25 with both hands, and then pushes the slide plate 10 through the vertical bar 24 and the cross bar 23, so that the slide plate 10 moves toward the installation plate 4 along the two slide bars 6, and the slide plate 10 drives the two pressure plates 14 toward the Move in the direction of the mounting plate 4.

As shown in Figures 1, 2, and 3, the guide assembly includes two telescopic rods 11, and the two telescopic rods 11 are respectively vertically arranged between the two pressing plates 14 and the slide plate 10, and the two ends of each telescopic rod 11 are respectively connected to On the sliding plate 10 and the corresponding pressing plate 14, a second elastic member 13 is sleeved on each telescoping rod 11, and the two ends of the second elastic member 13 are respectively connected on the sliding plate 10 and the pressing plate 14. Guide rods 15 are respectively horizontally arranged between them, and one end of the guide rod 15 is connected to the side of the corresponding pressing plate 14, and the other end of the guide rod 15 is close to the mounting plate 4, and a guide block 16 is arranged between the mounting plate 4 and the guide rod 15. The side of block 16 away from guide bar 15 is connected with mounting plate 4, and the side of guide block 16 near guide bar 15 is an arc surface, and the position of the arc surface of guide block 16 near the upper part contacts with the end of guide bar 15, The bottom of the arc-shaped surface of the guide block 16 is sunken toward the direction of the mounting plate 4, and when the two pressing plates 14 move toward the direction of the mounting plate 4, the two guide rods 15 are driven to move toward the direction of the mounting plate 4, so that the two guide rods The end of 15 moves downward along the arc-shaped surface of the corresponding guide block 16, thereby driving the corresponding pressure plate 14 to move downward through the two guide rods 15, so that the two pressure plates 14 can be arced downward with the patient's knees Movement, move with the movement of the patient's knees, press down the patient's two knees, and make the patient perform knee joint straightening exercises.

Guide rod 15 is provided with roller 18 near the end of guide block 16, and the arc surface of guide block 16 is provided with arc groove 17 along vertical, and the part of roller 18 away from guide rod 15 is positioned at arc groove 17 inside, makes The roller 18 can move up and down along the arc groove 17 while reducing the friction between the end of the guide rod 15 and the guide block 16 , and prevent the roller 18 from slipping out of the arc groove 17 through the two ends of the arc groove 17 .

An auxiliary training component is arranged between each pressing plate 14 and the corresponding foot pedal 9, and the auxiliary training component is used to drive the foot pedal 9 to move when the pressing plate 14 moves, thereby assisting the patient's knee joint to perform bending exercises, so that the patient can simultaneously perform Knee joint bending exercises and knee joint straightening exercises further improve the efficiency of exercises and improve the effect of exercises.

Auxiliary training assembly comprises two transmission rods 26, and two transmission rods 26 are respectively arranged on the both sides of pressing plate 14 and corresponding pedal 9, and the two ends of each transmission rod 26 are respectively connected on pressing plate 14 and corresponding pedal through rotating shaft. 9, the two ends of the transmission rod 26 can swing around the pressing plate 14 and the corresponding pedal 9 respectively. Move towards the direction of the mounting plate 4, so that the two pressure plates 14 drive the patient's knees to perform straightening exercises while driving the patient's knees to perform bending exercises, and each pedal 9 is provided with a fixing belt 20 near the side of the seat cushion 2 , the patient's feet are fixed on the pedal 9 through the fixing belt 20, and the movement of the pedal 9 drives the patient's feet to move, thereby driving the patient's knees to perform bending exercises.

The side of the cushion 2 away from the mounting plate 4 is vertically provided with a backboard 3, which is convenient for the patient to sit back on the backboard 3 when sitting on the cushion 2, and is convenient for exerting force with both hands.

The side surfaces of the sliding board 10 close to the two sliding bars 6 are respectively provided with second through holes 22 , and the two sliding bars 6 respectively pass through the corresponding second through holes 22 to facilitate the sliding board 10 to move along the two sliding bars 6 .

Working principle: When in use, make the patient sit on the cushion 2 with the back to the backboard 3, then hold both ends of the push rod 25 with both hands, and push the skateboard 10 through the vertical bar 24 and the horizontal bar 23, and the skateboard 10 moves along the two slide bars 6 toward the Moving in the direction of the mounting plate 4, the slide plate 10 drives the two pressure plates 14 to move towards the direction of the mounting plate 4, and when the two pressure plates 14 move towards the direction of the mounting plate 4, it drives the two guide rods 15 to move towards the direction of the mounting plate 4, Make the ends of the two guide rods 15 move downward along the arc-shaped faces of the corresponding guide blocks 16, thereby driving the corresponding pressing plate 14 to move downward through the two guiding rods 15, so that the two pressing plates 14 move downward in an arc, Press down the patient's two knees to make the patient perform knee joint straightening exercises. At the same time, when the two pressure plates 14 move downward in an arc, the two transmission rods 26 drive the corresponding pedals 9 toward the mounting plate 4, so that the two pressing plates 14 drive the patient's knees to perform straightening exercises while driving the patient's knees to perform bending exercises.

A kind of rehabilitation trainer after knee joint operation of the present invention has the following advantages:

First, through the coordinated setting of two pedals, two sliders, elastic components, skateboards, two pressure plates, and driving component guide components, patients can not only perform knee joint bending exercises, but also knee joint straightening exercises , reduce the physical exertion caused by the replacement of equipment, and improve the training effect;

Second, through the setting of the guide components, the two pressure plates can make an arc movement with the patient's knees downward, and move with the patient's knees, so that the patient can perform knee joint compression exercises and improve knee joint compression. the effect of practice;

Thirdly, through the setting of auxiliary training components, the patient can perform knee joint bending exercise and knee joint straightening exercise at the same time, further reducing the exercise time and improving the training effect.

It can be understood that the present invention is described through some embodiments, and those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, the features and embodiments may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (8)

1. A knee joint postoperative rehabilitation trainer, characterized in that it comprises: The base (1), the upper surface is symmetrically provided with two chute (7), each of the chute (7) is provided with a slider (8), the slider (8) and the chute (7) The ends are connected by elastic components; Two pedals (9) are respectively obliquely arranged on the upper surfaces of the two sliders (8); The mounting plate (4) is vertically arranged on the upper surface of the base (1), and is located at one end of the two chute (7); The seat cushion (2) is arranged on the upper surface of the base (1), and is located at the other end of the two chute (7); Two sliding rods (6) are arranged horizontally on the upper surface of the base (1), one end is respectively connected to the upper side of the mounting plate (4) near the two sides of the mounting plate (4), and the other end is respectively connected to the base (1) through the support assembly. )connect; The slide plate (10) is arranged horizontally between the two slide bars (6), and the two ends are respectively slidably connected with the two slide bars (6); Two pressure plates (14) are arranged at the lower part of the slide plate (10), respectively located at the upper part of the two chute (7), respectively connected with the slide plate (10); The drive assembly is arranged on the side of the slide plate (10) away from the mounting plate (4), and is used to drive the slide plate (10) to move horizontally along the two slide bars (6); The guide assembly is arranged on the lower part of the slide plate (10) and is connected with the two pressure plates (14), and is used to drive the two pressure plates (14) to move vertically while the two pressure plates (14) move horizontally to carry out the two knees of the patient. push down; The drive assembly includes a cross bar (23), the cross bar (23) is horizontally arranged on the side of the slide plate (10) away from the mounting plate (4), and one end of the cross bar (23) is connected to the side of the slide plate (10). On the side, the other end of the cross bar (23) is connected to the upper end of the vertical bar (24), the vertical bar (24) is vertically arranged, and the lower end of the vertical bar (24) is horizontally provided with a push rod (25) , the shaft of the push rod (25) is connected to the lower end of the vertical rod (24), and the push rod (25) is relatively parallel to the slide plate (10); The guide assembly includes two telescopic rods (11), and the two telescopic rods (11) are respectively vertically arranged between the two pressing plates (14) and the slide plate (10), and each of the telescopic rods (11) The two ends are respectively connected on the slide plate (10) and the corresponding pressing plate (14), and each of the telescopic rods (11) is sleeved with a second elastic member (13), and the second elastic member (13) The two ends are respectively connected on the slide plate (10) and the pressing plate (14), and guide rods (15) are respectively horizontally arranged between the two described pressing plates (14) and the mounting plate (4). One end is connected to the side of the corresponding pressure plate (14), the other end of the guide rod (15) is close to the mounting plate (4), and a guide block (16) is arranged between the mounting plate (4) and the guide rod (15) , the side of the guide block (16) away from the guide rod (15) is connected to the mounting plate (4), the side of the guide block (16) close to the guide rod (15) is an arc surface, and the guide block The arc surface of (16) is in contact with the end of the guide rod (15) near the top, and the bottom of the arc surface of the guide block (16) is recessed towards the direction of the mounting plate (4). 2. A kind of knee joint postoperative rehabilitation training device according to claim 1, characterized in that, said elastic assembly comprises a stop bar (19), and said stop bar (19) is horizontally arranged on the chute (7 ), the two ends of the limiting rod (19) are respectively connected with the two ends of the chute (7), the side of the slider (8) is provided with a first through hole (21), the limiting The rod (19) passes through the first through hole (21), and the limit rod (19) is sleeved with a The first elastic piece (12), the two ends of the first elastic piece (12) are respectively connected to the side of the slider (8) and the end of the slide groove (7). 3. A kind of knee joint postoperative rehabilitation training device according to claim 1, is characterized in that, described support assembly is made up of support bar (5), and described support bar (5) is vertically arranged on slide bar (6) ) and the base (1), the two ends of the support rod (5) are respectively connected to the end of the slide bar (6) and the base (1). 4. a kind of knee joint postoperative rehabilitation trainer according to claim 1, is characterized in that, described guide rod (15) is provided with roller (18) near the end of guide block (16), and described guide block The arc surface of (16) is provided with an arc groove (17) along the vertical direction, and the part of the roller (18) away from the guide rod (15) is located inside the arc groove (17). 5. A kind of knee joint postoperative rehabilitation training device according to claim 1, is characterized in that, an auxiliary training assembly is arranged between each said pressing plate (14) and the corresponding pedal (9), said The auxiliary training component is used to drive the pedal (9) to move when the pressure plate (14) moves, thereby assisting the patient's knee joint to perform bending exercises. 6. A kind of knee joint postoperative rehabilitation training device according to claim 5, is characterized in that, described auxiliary training assembly comprises two transmission rods (26), and two described transmission rods (26) are respectively arranged on the pressing plate (14) and the both sides of corresponding pedal (9), the two ends of each described transmission rod (26) are connected on the side of pressing plate (14) and corresponding pedal (9) by rotating shaft respectively, each said Said pedal (9) is provided with fixing belt (20) near the side of seat cushion (2). 7. A knee joint postoperative rehabilitation training device according to claim 1, characterized in that, the side of the cushion (2) away from the mounting plate (4) is vertically provided with a back plate (3). 8. A kind of knee joint postoperative rehabilitation training device according to claim 1, characterized in that, the sides of the slide plate (10) close to the two slide bars (6) are respectively provided with second through holes (22), The two sliding rods (6) respectively pass through the corresponding second through holes (22).

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