Refined rehabilitation training device

Abstract

The invention relates to the field of medical care, in particular to a refined rehabilitation training device which comprises a bearing plate and a lower limb exerciser connected with the bearing plate, the lower limb exerciser comprises two sliding rails arranged in parallel, strip-shaped holes with the same height are formed in the two side walls of the sliding rails, and a movement mechanism and an angle presetting mechanism are arranged on the sliding rails. By arranging the angle pre-adjusting mechanism, the angle of the pedal can be adjusted according to the specific condition of a patient, the skin state is observed and the pain condition of the patient is known in the pre-adjusting process of angle setting according to the characteristic that the skin of the burn patient is fragile, and therefore the angle of the pedal and the maximum distance of the movement stroke are adjusted in a targeted mode; and secondary injury caused by angle discomfort of a traditional rehabilitation device is avoided.

Description

Technical Field

[0001] The present invention relates to the field of medical care, and particularly to a refined rehabilitation training device. Background Art

[0002] The rehabilitation process of burn patients has its uniqueness compared with that of patients with limb or joint injuries. For burn patients, burns cause severe damage to the skin tissue, but the joints themselves are usually not directly damaged. However, due to skin burns, the range of joint movement may be restricted. The fragile state of the skin limits the movement angle of the patient, which makes burn patients face different challenges in rehabilitation functional training compared with patients with limb / joint injuries. The skin at the burn site is extremely vulnerable to secondary injuries during the rehabilitation process.

[0003] Existing rehabilitation exercisers have achieved remarkable results in the field of orthopedic rehabilitation. Generally, they include a power supply, an electric control system, a power transmission system, a joint movement bracket, a hand control switch, etc. The mechanical part mainly realizes reciprocating motion through a power supply, a transformer, a DC motor, a lead screw, etc. The control part mainly controls the DC motor and cooperates with a position sensor to realize time, speed, and angle control of the movement mechanism. However, such rehabilitation exercisers are mainly aimed at patients with limb injuries and cannot accurately adjust the movement angle for burn patients and monitor the patient's status in real time (burn patients may not have obvious pain symptoms even if the skin is damaged due to nerve damage). Especially for patients with limb burns, scar traction contracture will cause the limb of the patient to have a preferred extendable angle, and using traditional rehabilitation exercisers cannot achieve good results. Summary of the Invention

[0004] The present invention provides a refined rehabilitation training device to solve the problem that existing rehabilitation exercisers cannot perform personalized training for burn patients.

[0005] The solution of the present invention is: a refined rehabilitation training device, including a supporting plate and a lower limb exerciser connected to the supporting plate. The lower limb exerciser includes two parallel rails, and strip-shaped holes with the same height are opened on both side walls of the rails. A movement mechanism and an angle pre-adjustment mechanism are arranged on the rails. The movement mechanism includes rollers that are in rolling connection with the rails. The rollers are installed on a support shaft through rolling bearings, and the shaft ends of the support shaft extend out from the strip-shaped holes on the same side. The shaft ends of the support shaft are connected to the supporting plate through tension springs and are connected to a rope pulley arranged at the end of the rail through ropes. The angle pre-adjustment mechanism includes a footrest and an adjustment plate. The adjustment plate is coaxially and fixedly connected to the support shaft. A number of adjustment holes distributed in a ring shape are opened on the plate surface of the adjustment plate. The footrest includes a foot pedal and a connecting plate connected to each other. The free end of the connecting plate is a connecting ring, and the connecting ring is in transmission cooperation with the support shaft. A fixing hole that can be aligned with the adjustment hole is opened on the connecting ring, and the fixing hole and the adjustment hole are connected through a pin shaft.

[0006] The beneficial effects are as follows: By setting an angle pre-adjustment mechanism, the present invention can adjust the angle of the footrest according to the specific conditions of the patient. Considering the fragile skin of burn patients, during the pre-adjustment of the angle setting, the skin condition is observed and the patient's pain sensation is understood, so as to adjust the footrest angle and the maximum distance of the movement stroke specifically, avoiding secondary injuries caused by inappropriate angles of traditional rehabilitation devices. Through the cooperation of the pull rope and the rope pulley, combined with the control of the double-output shaft rotating motor, the device can accurately adjust the flexion and extension distance of the patient's lower limbs. The number of rotations of the rotating motor can be set according to the actual situation of the patient to ensure that the range of joint movement is appropriate during passive movement, avoiding poor rehabilitation effects caused by excessive stretching or insufficiency.

[0007] Further, a rotating motor with a double-output shaft is provided at the end of the slide rail, and its output shaft is coaxially and fixedly connected to the rope pulley on the same side, for driving the rope pulley to rotate and adjusting the number of rotations of the rope pulley.

[0008] Further, a strip-shaped hole is opened at the bottom of the slide rail, and the hole width is less than the wheel thickness of the roller. In this way, the roller can roll in the slide rail and will not fall off from the strip-shaped hole, and at the same time, the dirt on the patient's shoes can fall from the strip-shaped hole, avoiding accumulation and jamming of the roller in the slide rail.

[0009] Further, one end of the pull rope is wound around the rope pulley and fixedly connected to its circumferential surface, and the other end is fixedly connected to the support shaft. In this way, when the rope pulley rotates, it drives the pull rope to wind and unwind, so as to control the flexion and extension distance of the patient's lower limbs during passive movement.

[0010] Further, the footrest is a U-shaped frame composed of two connecting plates and a foot pedal located between the connecting plates, with a simple structure and convenient manufacturing.

[0011] Further, an arc-shaped depression is provided on the supporting plate for supporting the patient's buttocks to facilitate exertion during movement. Description of the Drawings

[0012] Figure 1 is a top view of a refined rehabilitation training device of the present invention;

[0013] Figure 2 is Figure 1 a left view of

[0014] Figure 3 is Figure 2 a schematic connection diagram of the adjusting plate and the support shaft in

[0015] Reference numerals: supporting plate 1, U-shaped slide rail 2, roller 3, support shaft 4, tension spring 5, pull rope 6, output shaft 7, footrest 8, connecting ring 8-1, pin 8-2, rope pulley 9, adjusting plate 10. Detailed implementation mode

[0016] Example 1

[0017] As Figure 1 、 Figure 2 And Figure 3 shown, a refined rehabilitation training device is used for flexion and extension exercises of the lower limbs of burn patients. Its structure includes:

[0018] A support plate 1 is provided with an arc-shaped depression on it for supporting the patient's buttocks, which is convenient for the patient to perform lower limb flexion and extension exercises. The support plate 1 is placed on the nursing bed. The support plate 1 is provided with threaded through holes, and the nursing bed is provided with threaded counterbores. Bolts are screwed into the threaded through holes and threaded counterbores to realize the fixed connection between the support plate 1 and the nursing bed.

[0019] The end of the support plate 1 is fixedly connected with a lower limb exerciser. The lower limb exerciser includes two U-shaped slide rails 2 arranged along the length direction of the support plate 1. The bottom of the U-shaped slide rail 2 is provided with a strip-shaped through hole, and the two side walls of the U-shaped slide rail 2 are also provided with strip-shaped through holes of the same height.

[0020] Each U-shaped slide rail 2 is installed with a roller 3. The wheel surface of the roller 3 is in rolling contact with the bottom of the groove of the U-shaped slide rail 2. The axis of the roller 3 is installed at the middle position of a support shaft 4 through a rolling bearing. The two ends of the support shaft 4 extend out from the strip-shaped through holes on the same side wall of the U-shaped slide rail 2. The movement of the support shaft 4 can drive the roller 3 to roll in the U-shaped slide rail 2.

[0021] Both ends of the support shaft 4 and the support plate 1 are installed with tension springs 5. The coils of the tension springs 5 are in close contact in the natural state. Both sides inside the free end of the U-shaped slide rail 2 are installed with a rotary motor with a double output shaft 7. Its two output shafts 7 rotate synchronously and are symmetrically arranged on both sides of the motor body. The output shaft 7 of the rotary motor extends outwards through the side wall of the U-shaped slide rail 2. Each output shaft 7 is installed with a rope pulley 9. A pull rope 6 is provided between each rope pulley 9 and the support shaft 4 on its same side. Specifically: one end of the pull rope 6 is fixedly connected to the circumferential surface of the motor output shaft 7, and the other end is tied to the support shaft 4. In this way, when the motor output shaft 7 rotates in a certain direction, the pull rope 6 is wound around the rope pulley 9, and the pull rope 6 pulls to drive the support shaft 4 to approach the rope pulley 9.

[0022] A pedal 8 is directly mounted on the support shaft 4 of the roller 3 of each U-shaped slide rail 2. The pedal 8 includes a U-shaped frame, which includes connecting plates on both sides and a footrest plate located between the connecting plates. The free ends of the connecting plates are connecting rings 8-1, which are rotatably matched with the support shaft 4, and fixing holes are formed in the connecting rings 8-1. An annular adjusting plate 10 is fixedly connected to the support shaft 4, and a circle of adjusting holes arranged at intervals are formed on the plate surface of the adjusting plate 10. When the angle of the connecting ring 8-1 is adjusted, the pin 8-2 is inserted into the adjusting hole from the fixing hole, thus realizing the angle adjustment and fixation of the U-shaped frame.

[0023] The use process of a refined rehabilitation training device of the present invention is as follows:

[0024] 1. Initial state: The pulling rope 6 has a surplus and is in a relaxed state, and the support shaft 4 is tightened by the pulling spring 5; the pin 8-2 on the connecting ring 8-1 is first fixed in any adjusting hole to keep the angle between the footrest plate and the support shaft 4 fixed;

[0025] 2. Angle pre-adjustment: The patient lies on the supporting plate 1 with the lower body, and pedals on the footrest plate with both feet. Push forward with force on both feet to drive the roller 3 to move in the U-shaped slide rail 2 in the direction away from the supporting plate 1 (i.e., the extending action). The caregiver records the maximum moving distance of the support shaft 4 at this time, and then asks the patient about the comfort of pedaling at this time (such as feeling a bit stuck and strenuous, or a bit unable to grasp the footrest plate); when the patient recovers the strength of both feet (knee bending action), after the pulling spring 5 drives the roller 3 to return to its original position, then make the following adjustments: (1) Adjust the position of the pin 8-2 that fixes the connecting ring 8-1 and the adjusting plate 10 so that the included angle between the U-shaped frame and the U-shaped slide rail 2 increases or decreases; (2) According to the maximum moving distance of the support shaft 4 when the patient pedals, design the number of turns of rotation of the rotary motor, so as to control the number of turns of the pulling rope 6 wound on the rope pulley 9.

[0026] 3. Passive traction: The patient lies on the supporting plate 1 with the lower body, and pedals on the footrest plate with the angle adjusted. Start the rotary motor, and the pulling rope 6 drives the roller 3 to rotate, thereby driving the lower limbs of the patient to perform flexion and extension movements. Since the number of turns of rotation of the rotary motor is set according to the patient's own situation, the patient is more comfortable, willing to accept, has a large range of joint activities, and can effectively eliminate joint adhesion and necrotic joints during the entire continuous passive motion (CPM) process.

[0027] The above are only embodiments of the present invention, and common general technical solutions and / or characteristics in the solutions are not described in detail herein. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope claimed in this application shall be subject to the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A refined rehabilitation training device, comprising a support plate and a lower limb exerciser connected to the support plate, characterized in that: The lower limb exerciser comprises two slide rails arranged parallel to each other, and strip holes of equal height are opened on the two side walls of the slide rails, and a movement mechanism and an angle pre-adjustment mechanism are arranged on the slide rails; The motion mechanism comprises a roller connected to the slide rail in a rolling manner, the roller is mounted on a support shaft through a rolling bearing, and the shaft end of the support shaft extends from the strip hole on the same side; the shaft end of the support shaft is connected to the support plate through a tension spring and connected to a rope wheel arranged at the end of the slide rail through a pull rope; The angle pre-adjustment mechanism includes a pedal and an adjustment plate, which is coaxially fixedly connected to the support shaft, and a plurality of adjustment holes distributed in a ring are opened on the plate surface of the adjustment plate. The pedal includes a foot pedal and a connecting plate connected to each other, and the free end of the connecting plate is a connecting ring, which is in transmission cooperation with the support shaft, and a fixing hole that can be aligned with the adjustment hole is opened on the connecting ring, and the fixing hole and the adjustment hole are connected by a pin shaft.

2. A refined rehabilitation training device according to claim 1, characterized in that: A rotating motor with double output shafts is arranged at the end of the slide rail, and the output shafts are coaxially fixedly connected with the rope wheel on the same side.

3. A refined rehabilitation training device according to claim 2, characterized in that: A strip hole is opened at the bottom of the slide rail, and the width of the hole is smaller than the wheel thickness of the roller.

4. A refined rehabilitation training device according to claim 3, characterized in that: One end of the pull rope is wound around the rope wheel and fixedly connected to its circumference, and the other end is fixedly connected to the supporting shaft.

5. A refined rehabilitation training device according to claim 4, characterized in that: The footrest is a U-shaped frame composed of two connecting plates and a footrest located between the connecting plates.

6. A refined rehabilitation training device according to claim 5, characterized in that: The supporting plate is provided with an arc-shaped depression.

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