CN205947982U - Lower limb rehabilitation device - Google Patents

Abstract

The embodiment of the utility model discloses a lower limb rehabilitation device, relates to the medical equipment field, can treat down the disease of turning up in the knee in the limbs deformity. Lower limb rehabilitation device includes: a bed body for $propping up hold in the palm the patient, bed body lower part both sides are fixed with the longitudinal rail along the head of a bed to the tailstock direction install an orthopedic device, leg pressing device, the 2nd orthopedic device and vibrating device on the longitudinal rail in proper order along the head of a bed to the tailstock orientation the afterbody of the bed body is fixed with draw gear, wherein, an orthopedic device, the 2nd orthopedic device, vibrating device and draw gear link to each other at the anterior controller of the bed body through wire and setting respectively. The utility model is suitable for a lower limbs deformity of turning up in the treatment knee.

Description

A lower limb rehabilitation device

technical field

The utility model relates to the field of medical equipment, in particular to a lower limb rehabilitation equipment.

Background technique

Knee varus is a common deformity of the lower limbs in life, especially in football players and dancers. When the knee varus is severe, the patient cannot move and suffers. When the condition is mild, it affects people's external beauty. Knee varus can be treated by surgical treatment or rehabilitation equipment. The cost of surgical treatment is high and the patient is more painful, so it is suitable for patients with serious conditions. Existing rehabilitation appliances only carry out orthopedic treatment to knee valgus by means of simple binding, pressing, etc., and the effect is not ideal.

Contents of the invention

In view of this, the embodiment of the present invention provides a lower limb rehabilitation device, which can treat genu valgus patients with lower limb deformities.

In order to achieve the above object, the embodiments of the present utility model adopt the following technical solutions:

The embodiment of the utility model provides a lower limb rehabilitation equipment, including:

The bed body is used to support the patient, and the two sides of the lower part of the bed body are fixed with longitudinal guide rails along the direction from the head of the bed to the end of the bed, and the first orthopedic device and the leg pressing device are sequentially installed on the longitudinal guide rails along the direction from the head of the bed to the end of the bed , the second orthopedic device and the vibrating device, a traction device is fixed at the tail of the bed body; wherein, the first orthopedic device, the second orthopedic device, the vibrating device and the traction device are respectively connected with the control device arranged at the front part of the bed body through wires connected to the device.

Further, the first orthopedic device includes: two corresponding first orthopedic device sliders installed on the longitudinal guide rails on both sides of the bed, and fixed on the two corresponding first orthopedic device sliders The first transverse guide rail, two corresponding first orthopedic brackets are installed at both ends of the first transverse guide rail, and the first orthopedic electric cylinder is fixed between the first orthopedic brackets, and the first orthopedic brackets are fixed between the first orthopedic brackets. Driven by the first orthopedic electric cylinder, it can move along the first transverse guide rail; the upper end of the first orthopedic bracket is fixed with two opposite first guide cylinders, and a first guide rod is worn in each first guide cylinder , one end of the first guide rod is fixed with a first orthopedic contact, and the other end extends into the inside of the first pressure measurement cylinder, and a first pressure sensor is installed at the tail end of the first pressure measurement cylinder. A first spring is installed between the pressure sensor and the other end of the first guide rod; a first spring for sensing the position of the other end of the first guide rod is installed on the side wall of the first pressure measuring cylinder. Photoelectric switch; the first orthopedic contact fixed at one end of the first guide rod is placed on both sides of the patient's legs and at the position above the knee;

The second orthopedic device includes: two corresponding second orthopedic device sliders installed on the longitudinal guide rails on both sides of the bed body, and a second transverse orthopedic device is fixed on the two corresponding second orthopedic device sliders. Guide rails, two corresponding second orthopedic brackets are installed at both ends of the second transverse guide rail, and a second orthopedic electric cylinder is fixed between the second orthopedic brackets. Driven by the orthopedic electric cylinder, it can move along the second transverse guide rail; the upper end of the second orthopedic bracket is fixed with two opposite second guide cylinders, and a second guide rod is worn in each second guide cylinder, and the One end of the second guide rod is fixed with a second orthopedic contact, and the other end extends into the inside of the second pressure measuring cylinder, and a second pressure sensor is installed at the tail end of the second pressure measuring cylinder, between the second pressure sensor and A second spring is installed between the other ends of the second guide rod; a second photoelectric switch for sensing the position of the other end of the second guide rod is installed on the side wall of the second pressure measuring cylinder; The second orthopedic contacts fixed at one end of the second guide rod are placed on both sides of the patient's leg and at the lower part of the knee;

The leg pressing device includes: two corresponding leg pressing device sliders installed on the longitudinal guide rails on both sides of the bed, the leg pressing device base is fixed on the leg pressing device sliders, and the leg pressing device base is fixed on the leg pressing device sliders, The two ends of the leg device base are fixed with two corresponding hook frames and the leg pressing device bracket; the leg pressing device also includes a pressing plate, and flexible fastening belts are fixed at both ends of the pressing plate, and the flexible fastening belt passes through The hook is hung on the hook frame;

The vibrating device includes: two corresponding vibrating device sliders installed on the longitudinal guide rails on both sides of the bed, the vibrating device base is fixed on the vibrating device slider, and the vibrating device base is fixed on both sides of the vibrating device base. There are two corresponding vibrating supports fixed at the end; a first motor and a second motor are installed in the middle of the base of the vibrating device, a first runner is installed on the shaft of the first motor, and a first runner is installed on the second A second runner is installed on the rotating shaft of the motor; one end of a flexible vibration belt is fixed on the first runner, and the flexible vibration belt passes through the upper ends of the two corresponding vibration supports and is fixed on the second runner. wheel;

The traction device includes: a traction electric cylinder is fixed at the tail of the bed, the piston rod of the traction electric cylinder is parallel to the longitudinal guide rail and points horizontally to the head of the bed; at the same height opposite the traction electric cylinder A tension sensor is fixed on the bed body at the position, and the axis line of the tension sensor is parallel to the axis line of the traction electric cylinder and on a vertical plane; the free end of the tension sensor is equipped with a first fixed pulley, and the The lower edge of the first fixed pulley is on the same straight line as the center of the lug on the end of the piston rod; Two fixed pulleys and the third fixed pulley, the upper and lower positions of the second fixed pulley, the third fixed pulley and the first fixed pulley are corresponding; the lifting lug on the end of the piston rod is fixed with one end of the traction rope, the said The other end of traction rope walks around the first fixed pulley, the second fixed pulley and the third fixed pulley and is fixed on the traction belt.

Further, the bed body includes a bed body support and a cushion, the bed support is divided into upper and lower layers, and the upper layer is laid with the soft cushion.

Further, the lower limb rehabilitation equipment also includes an arm support and a clamping block, one end of which is installed at the front of the bed body and can rotate; the clamping block is placed between the patient's knees.

In the lower limb rehabilitation equipment provided by the embodiment of the utility model, the leg pressing device provides a downward pressure on the patient's knee to keep the patient's knee relatively fixed and straight; Restore the proper posture; the traction device exerts stretching force on the patient, stimulates the cartilage tissue of the patient, and is beneficial to restore the force balance of the ligament; the vibration device generates vibration to accelerate the blood circulation of the patient. Therefore, the lower limb rehabilitation equipment can provide a variety of external mechanical environments for patients with lower limb deformities with knee valgus and valgus, so as to achieve the purpose of patient rehabilitation.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is the schematic diagram of the lower limb rehabilitation equipment of the embodiment of the present utility model;

Fig. 2 is a schematic diagram of the first orthopedic device of the embodiment of the present invention;

3 is a schematic diagram of a second orthopedic device according to an embodiment of the present invention;

Fig. 4 is the schematic diagram of the leg pressing device of the embodiment of the utility model;

Fig. 5 is the schematic diagram of the vibration device of the embodiment of the utility model;

Fig. 6 is a schematic diagram of a traction device according to an embodiment of the present invention.

detailed description

A lower limb rehabilitation device according to an embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.

It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1, the utility model embodiment provides a kind of lower extremity rehabilitation equipment, comprises: the bed body 1 that is used to support the patient, on both sides of the lower part of the bed body 1, longitudinal guide rails 2 are fixed along the direction from the head of the bed to the end of the bed, on the longitudinal guide rails 2. A first orthopedic device 3, a leg pressing device 4, a second orthopedic device 5, and a vibrating device 6 are sequentially installed along the direction from the head of the bed to the tail of the bed. A traction device 7 is fixed at the tail of the bed body 1, wherein the first orthopedic device 3. The second orthopedic device 5, the vibrating device 6 and the traction device 7 are respectively connected to the controller 8 arranged at the front of the bed body through wires.

Wherein, the first orthopedic device 3, the leg pressing device 4, the second orthopedic device 5 and the vibrating device 6 can move on the longitudinal guide rail 2 according to the body shape of the patient to determine their respective appropriate positions, the first orthopedic device 3 and the second orthopedic device 5 Realize the clamping and loosening of the upper and lower positions of the patient's knee. The size of the orthopedic force, the size of the traction force, the vibration frequency and the size of the amplitude can be displayed, set and adjusted on the controller 8.

When performing rehabilitation treatment on the patient's legs, the patient's knees are first pressed by the leg pressing device 4, and then the patient lies flat on the rehabilitation platform, and the patient controls the first on both sides of the rehabilitation platform by operating the control buttons on the panel of the controller 8. The first orthopedic device 3 and the second orthopedic device 5 apply a lateral orthopedic force to the patient's knee, and the traction force is transmitted to the traction belt connected to it through the electric push rod of the traction device 7. Since the upper body of the patient is fixed, the traction device 7 has a pair of Some tension is applied to the patient's leg.

The lower limb rehabilitation equipment in the embodiment of the utility model is composed of a plurality of mechanical devices. Among them, the leg pressing device provides a downward pressure on the patient's knee to keep the patient's knee relatively fixed and straight; the orthopedic device exerts squeezing force on the patient's knee up and down to restore the patient's lower limbs to the proper position; the traction device exerts pressure on the patient's knee. The stretching force is applied to stimulate the patient's cartilage tissue, which is beneficial to restore the force balance of the ligament; the vibration device produces regular vibrations to accelerate the patient's blood circulation. Therefore, the lower limb rehabilitation equipment can provide a variety of external mechanical environments for patients with lower limb deformities with knee valgus and valgus, so as to achieve the purpose of patient rehabilitation.

In the lower limb rehabilitation equipment of the embodiment of the present utility model, referring to Fig. 1 to Fig. 3, preferably, the first orthopedic device 3 includes: two corresponding first orthopedic device sliders installed on the longitudinal guide rails 2 on both sides of the bed body 9. A first transverse guide rail 10 is fixed on the two corresponding first orthopedic device sliders 9, and two corresponding first orthopedic brackets 11 are installed at both ends of the first transverse guide rail 10, so A first orthopedic electric cylinder 12 is fixed between the first orthopedic brackets 11 , and the first orthopedic bracket 11 can move along the first transverse guide rail 10 driven by the first orthopedic electric cylinder 12 . The upper end of the first orthopedic bracket 11 is fixed with two opposite first guide cylinders 13, and a first guide rod 14 is passed through each first guide cylinder 13, and a first guide rod 14 is fixed on one end of the first guide rod 14. Orthopedic contact 15, the other end stretches into the inside of the first pressure measuring cylinder 16, the tail end of the first pressure measuring cylinder 16 is equipped with a first pressure sensor 17, between the first pressure sensor 17 and the first guide A first spring 18 is installed between the other ends of the rods 14 . A first photoelectric switch 19 for sensing the position of the other end of the first guide rod 14 is installed on the side wall of the first pressure measuring cylinder 16 . The first orthopedic contact 15 fixed at one end of the first guide rod 14 is placed on both sides of the patient's leg and at the upper part of the knee.

The second orthopedic device 5 includes: two corresponding second orthopedic device sliders 20 installed on the longitudinal guide rails 2 on both sides of the bed body 1, on which two corresponding second orthopedic device sliders 20 are fixed The second transverse guide rail 21, two corresponding second orthopedic brackets 22 are installed at both ends of the second transverse guide rail 21, and a second orthopedic electric cylinder 23 is fixed between the second orthopedic brackets 22. Driven by the second orthopedic electric cylinder 23 , the two orthopedic brackets 22 can move along the second transverse guide rail 21 . The upper end of the second orthopedic bracket 22 is fixed with two opposite second guide cylinders 24, and a second guide rod 25 is passed through each second guide cylinder 24, and a second guide rod 25 is fixed on one end of the second guide rod 25. Orthopedic contact 26, the other end stretches into the inside of the second pressure measuring cylinder 27, the tail end of the second pressure measuring cylinder 27 is equipped with a second pressure sensor 28, between the second pressure sensor 28 and the second guide A second spring 29 is installed between the other ends of the rod 25 . A second photoelectric switch 30 for sensing the position of the other end of the second guide rod 25 is installed on the side wall of the second pressure measuring cylinder 27 . The second orthopedic contact 26 fixed at one end of the second guide rod 25 is placed on both sides of the patient's legs and at the lower part of the knee.

During work, start the first orthopedic electric cylinder 12 and the second orthopedic electric cylinder 23, the telescopic shaft drives the first orthopedic support 11 and the second orthopedic support 22 on both sides, respectively on the first transverse guide rail 10 and the second transverse guide rail 21 Moving, the first orthopedic contact 15 and the second orthopedic contact 26 realize the clamping and loosening of the upper and lower positions of the patient's knee. Because the rehabilitation platform acts on the human body, the safety of treatment is the first priority. The first orthopedic device 3 and the second orthopedic device 5 of the embodiment of the utility model are designed with an overload protection device, that is, at the tail end of the first pressure measuring cylinder 16 A first pressure sensor 17 is installed, and a first spring 18 is installed between the first pressure sensor 17 and the other end of the first guide rod 14 . A first photoelectric switch 19 for sensing the position of the other end of the first guide rod 14 is installed on the side wall of the first pressure measuring cylinder 16; a second pressure sensor is installed at the tail end of the second pressure measuring cylinder 27 28 , a second spring 29 is installed between the second pressure sensor 28 and the other end of the second guide rod 25 . A second photoelectric switch 30 for sensing the position of the other end of the second guide rod 25 is installed on the side wall of the second pressure measuring cylinder 27 . A pressure sensor and a photoelectric switch are installed inside the overload protection device. The pressure sensor can detect the size of the clamping force in real time. When the position is fixed, an electric signal is sent to make it move in the opposite direction, that is, the secondary protection device. The two together form an overload protection device, which can effectively ensure the safety of the patient during the treatment.

When the patient is lying flat on the rehabilitation platform for treatment, the patient’s legs bulge upward due to the clamping force on both sides during the orthopedic process, which affects the treatment effect. Therefore, a device is needed to relatively fix the patient’s knee to ensure Remain still during orthopedic treatment. Referring to Fig. 1 and Fig. 4, the lower limb rehabilitation equipment of the embodiment of the present utility model, preferably, the leg pressing device 4 includes: two corresponding leg pressing device sliders 31 installed on the longitudinal guide rails 2 on both sides of the bed body 1 A leg pressing device base 32 is fixed on the leg pressing device slider 31 , and two corresponding hook frames 33 and leg pressing device brackets 34 are fixed at both ends of the leg pressing device base 32 . The leg pressing device 4 further includes a pressing plate 35, and flexible fastening belts 36 are fixed at both ends of the pressing plate, and the flexible fastening belt 36 is hung on the hook frame 33 by a hook.

By fixing the patient's knee, the device can enable the orthopedic device to accurately apply a correcting force to the knee, thereby ensuring therapeutic effect and efficiency.

Referring to Fig. 1 and Fig. 5, long-term fixation may cause poor blood circulation of the patient, so a vibrating device 6 is also included in the embodiment of the present invention, and the vibrating device 6 may include: Two corresponding vibrating device sliders 37 on the guide rail 2 are fixed with a vibrating device base 38 on the vibrating device sliding block 37, and are fixed with two corresponding vibrating supports at the two ends of the vibrating device base 38 39. A first motor 40 and a second motor 54 are installed in the middle of the vibrating device base 38, a first runner 41 is installed on the rotating shaft of the first motor 40, and a first runner 41 is installed on the rotating shaft of the second motor 54. There is a second runner 42; one end of a flexible vibration band 53 is fixed on the first runner 41, and the other end of the flexible vibration band 53 passes through the upper ends of the two corresponding vibration supports 39 and is fixed on On the second runner 42. When the first wheel 41 rotates clockwise and the second wheel 42 rotates counterclockwise, the flexible vibration belt 53 is tightened; when the first wheel 41 rotates counterclockwise and the second wheel 42 rotates clockwise, the flexible vibration is relaxed belt 53. Adjust the rotational speed of the first motor 40 and the second motor 54 by the controller 8, the vibration frequency of the vibrating device 6 can be adjusted; magnitude.

The vibration device promotes the blood circulation of the patient's legs through vibration, and at the same time plays the role of massaging and promoting blood circulation, and relieves the patient's slight discomfort caused by long-term clamping orthopedics.

Referring to Fig. 1 and Fig. 6, as a comprehensive lower limb rehabilitation equipment, the traction device 7 in the embodiment of the utility model may include: a traction electric cylinder 43 is fixed at the tail of the bed body 1, and the traction electric cylinder The piston rod of 43 is parallel to the longitudinal guide rail 2 and points horizontally to the head position of the bed body. A tension sensor 44 is fixed on the bed body at the same height opposite to the traction electric cylinder 43. The axis line of the tension sensor 44 is in line with the The axis lines of the traction electric cylinder 43 are parallel and on a vertical plane. The free end of the tension sensor 44 is equipped with a first fixed pulley 45, and the lower edge of the first fixed pulley 45 is on the same straight line as the center of the lifting lug on the end of the piston rod. Described bed body 1 afterbody is fixed with fork-shaped support 46, and the two bifurcated tops of described fork-shaped support 46 are equipped with the second fixed pulley 47 and the 3rd fixed pulley 48 of the same size respectively, and described second fixed pulley 47 , The third fixed pulley 48 and the first fixed pulley 45 are on the same plane. One end of a traction rope 49 is fixed to the lug on the end of the piston rod, and the other end of the traction rope 49 is fixed on the traction belt around the first fixed pulley 45, the second fixed pulley 47 and the third fixed pulley 48. 50 on. When working, the power is provided by the traction electric cylinder, and the pulling force is provided for the legs through auxiliary parts such as the traction rope 49 and the tension sensor 44. The tension sensor 44 detects the magnitude of the tension, and provides feedback information to the controller 8 in time to determine whether the set tension is reached. value, so as to control the work of traction electric cylinder.

The main function of the traction device is to assist in orthopedics. Through the stretching effect of the traction device, the ligaments of the patient's knee are pulled apart longitudinally, promoting the secretion of cartilage tissue, and helping to restore the force balance of the ligaments.

Referring to Fig. 1, in order to facilitate the installation of each device and provide a comfortable treatment environment for the patient, the bed body 1 of the embodiment of the utility model also includes a bed body bracket and a cushion, and the bracket of the bed body is divided into upper and lower layers, and the upper layer is laid The cushion is arranged, and longitudinal guide rails 2 are installed on both sides of the lower floor.

Referring to Fig. 1, Fig. 2 and Fig. 3, preferably, the lower limb rehabilitation equipment further includes an armpit support 51 and a clamping block 52. One end of the armpit support 51 is installed on the front of the bed body and can be rotated. The patient lies in front of the bed body and puts the The armpit support 51 is rotated to the top, which is convenient for the patient to get on and off the bed; after the patient lies down, the armpit support 51 is rotated and placed under the patient's armpit, which has the effect of assisting in fixing the patient. When treating genu varus, in order to assist in fixing the patient and the patient's comfort, it is necessary to add a clamping block 52 in the middle of the patient's knee.

Each electric cylinder in the embodiment of the utility model is a modular product with an integrated design of the servo motor and the lead screw. Digital control, precise torque control into - precise speed control, precise position control, precise thrust control. Each electric cylinder in the utility model embodiment also can adopt hydraulic cylinder to replace.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes within the technical scope disclosed by the utility model Or replacement, all should be covered within the scope of protection of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (4)

1. a kind of lower limb rehabilitation device is it is characterised in that include：

For the bed body of rest patient, described bed body bottom both sides are fixed with longitudinal rail along the head of a bed to tailstock direction, described It is sequentially installed with the first orthopedic appliance, pressing-leg device, the second orthopedic appliance and vibration along the head of a bed to tailstock direction on longitudinal rail Device, is fixed with draw-gear in the afterbody of described bed body；Wherein, the first orthopedic appliance, the second orthopedic appliance, vibrating device and Draw-gear passes through wire respectively, and the controller anterior with being arranged on bed body is connected.

2. lower limb rehabilitation device according to claim 1 it is characterised in that

Described first orthopedic appliance includes：Two the first corresponding orthopedic appliances being arranged on the longitudinal rail of bed body both sides are slided Block, is fixed with first cross slide way on described two the first corresponding orthopedic appliance slide blocks, described first cross slide way Two ends are provided with two the first corresponding orthopedic frames, are fixed with the first orthopedic electric cylinder between described first orthopedic frame, Described first orthopedic frame, under the drive of the described first orthopedic electric cylinder, can move along first cross slide way；Described first Orthopedic frame upper end is fixed with two the first relative guide cylinders, is installed with the first guide rod in each first guide cylinder, and described One end of one guide rod is fixed with the first orthopedic contact, and the other end stretches into the inside of first pressure measuring cylinder, in first pressure measurement The tail end of cylinder is provided with first pressure sensor, pacifies between the other end of described first pressure sensor and described first guide rod Equipped with the first spring；Other end position for sensing described first guide rod is provided with the side wall of described first pressure measuring cylinder The first optoelectronic switch put；The first fixing orthopedic contact of one end of described first guide rod is placed in patient legs both sides and is located at knee Upper part of the cover position；

Described second orthopedic appliance includes：Two the second corresponding orthopedic appliances being arranged on the longitudinal rail of bed body both sides are slided Block, is fixed with the second cross slide way on described two the second corresponding orthopedic appliance slide blocks, described second cross slide way Two ends are provided with two the second corresponding orthopedic frames, are fixed with the second orthopedic electric cylinder between described second orthopedic frame, Described second orthopedic frame, under the drive of the described second orthopedic electric cylinder, can move along the second cross slide way；Described second Orthopedic frame upper end is fixed with two the second relative guide cylinders, is installed with the second guide rod in each second guide cylinder, and described One end of two guide rods is fixed with the second orthopedic contact, and the other end stretches into the inside of second pressure measuring cylinder, in second pressure measurement The tail end of cylinder is provided with second pressure sensor, pacifies between the other end of described second pressure sensor and described second guide rod Equipped with second spring；Other end position for sensing described second guide rod is provided with the side wall of described second pressure measuring cylinder The second optoelectronic switch put；The second fixing orthopedic contact of one end of described second guide rod is placed in patient legs both sides and is located at knee The position of lid bottom；

Described pressing-leg device includes：It is arranged on two corresponding pressing-leg device slide blocks on the longitudinal rail of described bed body both sides, Described pressing-leg device slide block is fixed with pressing-leg device base, is fixed with two relatively at the two ends of described pressing-leg device base The hook rack answered and pressing-leg device support；Described pressing-leg device also includes pressing plate, is fixed with flexible fastener at described pressing plate two ends Band, described flexible fastener band is hung in described hook rack by hook；

Described vibrating device includes：It is arranged on two corresponding vibrating device slide blocks on the longitudinal rail of described bed body both sides, Described vibrating device slide block is fixed with vibrating device base, is fixed with two relatively at the two ends of described vibrating device base The vibration rack answered；In the centre of described vibrating device base, the first motor and the second motor are installed, in described first motor Rotating shaft on the first runner is installed, the rotating shaft of described second motor is provided with the second runner；On described first runner It is fixed with one end of flexible vibration band, the other end of described flexible vibration band is on described two corresponding vibration racks End, and be fixed on the second runner；

Described draw-gear includes：Be fixed with traction electric cylinder in described bed body afterbody, the piston rod of described traction electric cylinder with Described longitudinal rail is parallel and is horizontally directed to bed body head position；Bed body in the identical height and position in described traction electric cylinder opposite On be fixed with pulling force sensor, the axis parallel of described pulling force sensor axial line and traction electric cylinder is simultaneously vertically put down at one On face；The free end of described pulling force sensor is provided with the first fixed pulley, described first fixed pulley lower limb and described piston rod Hanger center on end is on same straight line；Described bed body afterbody is fixed with bow, two of described bow Bifurcated top is separately installed with the second fixed pulley and the 3rd fixed pulley, and described second fixed pulley, the 3rd fixed pulley and first are fixed to be slided The upper-lower position of wheel corresponds to；Hanger on described piston rod end is fixed with one end of pull rope, described pull rope another End bypasses the first fixed pulley, the second fixed pulley and the 3rd fixed pulley and is fixed in leash.

3. lower limb rehabilitation device according to claim 1 is it is characterised in that described bed body includes bed body support and cushion, Described bed body support is divided into upper and lower two-layer, and upper strata is equipped with described cushion.

4. lower limb rehabilitation device according to claim 1 is it is characterised in that also include armpit support and gripping block, described armpit support One end is arranged on bed body front portion, and can rotate；Described gripping block is positioned between patient two knee.