CN112472528A

CN112472528A - Medical rehabilitation equipment for leg paralysis

Info

Publication number: CN112472528A
Application number: CN202011535079.XA
Authority: CN
Inventors: 张梅青
Original assignee: Individual
Current assignee: Fushoukang Smart Medical Elderly Care Services Shanghai Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-03-12
Anticipated expiration: 2040-12-23
Also published as: CN112472528B

Abstract

The invention relates to a rehabilitation device, in particular to a medical rehabilitation device for leg paralysis. The invention provides a medical rehabilitation device for leg paralysis, which can fix feet, fix waist and support head. A medical rehabilitation apparatus for leg paralysis, comprising: the bottom plate is provided with a stepping mechanism; the seat mechanism is arranged on the bottom plate. According to the invention, the patient sits on the cushion, the back of the patient leans against the backrest, the top column moves downwards through the movement of the pressing plate, the lever moves downwards, the first fixing plate rotates, the first clamping plate moves downwards, after the first clamping plate is moved to be in contact with the feet of the patient, the feet of the patient move upwards, the second elastic component is changed into a compression state from an initial state, so that the feet of the patient are clamped, and the feet of the patient can be prevented from falling off the pedal during rehabilitation exercise.

Description

Medical rehabilitation equipment for leg paralysis

Technical Field

The invention relates to a rehabilitation device, in particular to a medical rehabilitation device for leg paralysis.

Background

In hospitals, if many people are caused by paralysis of lower limbs or the whole body due to various reasons, the patients are very painful, can not take care of themselves in life, and do not massage and relax muscles frequently, the muscle of the patient slowly shrinks and the blood circulation is not smooth, so that the condition of the patient is further worsened, and the physical rehabilitation of the hemiplegic patient comprises functional point stimulation, electronic biofeedback, joint activity training, muscle stretching training, muscle strength training, transfer training, gait training and the like, the treatment principle is that the muscle strength of the patient is gradually increased, the muscle tension is inhibited, the correct movement mode of the muscle is promoted, however, the patient needs to do exercise for a long time and many times every day, and the medical staff or family members waste a lot of time and energy when the patient is subjected to conventional massage such as stretching the limbs, and the patient cannot train himself or herself, so that the rehabilitation effect is often unsatisfactory.

Patent application CN207871106U, it is 2018.09.18 to disclose a shank rehabilitation device and shank rehabilitation equipment, which comprises a frame, first side cap, the second side cap, a slide rail, the installation department, the end cover, fixed knot constructs, drive assembly, including a motor, an end cap, a controller, and a cover plate, speed reducer and drive assembly etc, it is rotatory through one of them synchronous pulley of drive assembly drive, drive another synchronous pulley and synchronous belt motion, make slider and synchronous belt move together, and further drive the footboard subassembly through the slider and remove, thereby make the shank of placing patient on the footboard subassembly can accomplish crooked or the action of straightening under the drive of footboard subassembly, long-time motion can play the effect of taking exercise to patient's shank like this, be favorable to the recovery of state of an illness, however, the device can not fix patient's waist, thereby it is comparatively inconvenient when leading to patient to carry out the rehabilitation motion.

Therefore, it is urgently required to develop a medical rehabilitation apparatus for leg paralysis which can fix feet, fix a waist and support a head.

Disclosure of Invention

In order to overcome the shortcoming that traditional recovered mode complex operation, waste time and energy and be inconvenient, technical problem: provided is a medical rehabilitation device for leg paralysis, which can fix feet, fix waist and support head.

The technical scheme is as follows: a medical rehabilitation apparatus for leg paralysis, comprising:

the bottom plate is provided with a stepping mechanism;

the seat mechanism is arranged on the bottom plate.

Preferably, the stepping mechanism includes:

the bottom plate is provided with two first fixing frames;

the first rotating shafts are rotatably arranged between the upper parts of the two first fixing frames;

the middle part of the first rotating shaft is provided with a large rotating disc;

the first rotating shaft is provided with two small rotating discs;

the two small turntables are provided with second rotating shafts;

the two second rotating shafts are respectively and rotatably provided with a connecting rod;

the two connecting rods are respectively and rotatably provided with a third rotating shaft;

the pedals are arranged on the two third rotating shafts.

Preferably, the seat mechanism includes:

the bottom plate is provided with a fixed seat;

the fixed seat is provided with a first elastic component;

the first elastic component is provided with a cushion;

the backrest is arranged on the seat cushion.

Preferably, the automatic operation device further comprises an automatic operation mechanism, wherein the automatic operation mechanism comprises:

the mounting rack is connected between the tops of the two first fixing racks;

the top of the mounting rack is provided with a servo motor;

and a transmission assembly is connected between an output shaft of the servo motor and the first rotating shaft.

Preferably, the device further comprises a foot fixing mechanism, wherein the foot fixing mechanism comprises:

the inner sides of the two pedals are both provided with a pressing plate in a sliding way;

the bottoms of the two pressing plates are provided with the top columns;

the springs are wound on the two pressure plates, the tops of the springs are connected with the pressure plates, and the bottoms of the springs are connected with the pedal;

four second fixing frames are arranged on the two pedals;

the fourth rotating shafts are rotatably connected between the four groups of two adjacent second fixing frames;

the four fourth rotating shafts are provided with first fixing plates;

the levers are connected between the bottoms of the four first fixing plates and the bottoms of the top posts;

the upper parts of the four first fixing plates are provided with second elastic components;

first splint, four second elastic component bottoms all are equipped with first splint.

Preferably, the waist fixing device further comprises a waist fixing mechanism, wherein the waist fixing mechanism comprises:

two second fixing plates are arranged on the fixing seat;

the two second fixing plates are respectively provided with a third elastic component;

the two third elastic assemblies are respectively provided with a moving column, and the moving columns are connected with the fixed seat in a sliding manner;

the backrest is provided with a pressing block;

the two moving columns are respectively provided with a top block, and the pressing block is matched with the top blocks;

the third fixing plate is connected between the two moving columns;

the third fixing plate is provided with a third elastic component;

and a second clamping plate is arranged on the fourth elastic component.

Preferably, the head support device further comprises a head support mechanism, wherein the head support mechanism comprises:

the mounting block is arranged on the moving column on one side;

the mounting block is provided with a fifth elastic component;

the fifth elastic component is provided with a special-shaped rod;

the special-shaped rod is provided with a supporting plate;

the backrest is provided with a fixed rod;

the fixed rod is provided with a wedge block;

the convex block is arranged on the special-shaped rod and matched with the wedge-shaped block.

Preferably, the material of the first fixing frame is alloy.

The invention has the beneficial effects that:

1. according to the invention, the patient sits on the cushion, and the back of the patient leans against the backrest, the cushion moves downwards due to the gravity of the patient, so that the backrest moves downwards, and meanwhile, the first elastic component is changed into a compressed state from an initial state, so that the patient can conveniently perform rehabilitation movement;

2. according to the invention, the transmission assembly is driven to rotate by the rotation of the output shaft of the servo motor, so that the first rotating shaft rotates, and the pedal moves by the rotation of the first rotating shaft, so that the legs of a patient can be bent or stretched under the driving of the pedal, and manual rotation can be replaced, and time and labor are saved;

3. according to the invention, the pressing plate moves to enable the top column to move downwards, so that the lever moves downwards, and the first fixing plate rotates, so that the first clamping plate moves downwards, after the first clamping plate moves to be in contact with the foot of a patient, the foot of the patient enables the first clamping plate to move upwards, the second elastic component is changed from an initial state to a compressed state, so that the feet of the patient are clamped, and the feet of the patient can be prevented from falling off the pedal when the patient performs rehabilitation exercise;

4. according to the invention, the pressing block is matched with the ejecting block, the pressing block moves and pushes the ejecting block to move backwards, and then the moving column moves backwards, so that the second clamping plate moves backwards, after the second clamping plate is moved to be in contact with the waist of a patient, the waist of the patient enables the second clamping plate to move forwards, and the fourth elastic component is changed into a compression state from an initial state, so that the waist of the patient is clamped, and the patient can be prevented from falling off the cushion when performing rehabilitation exercise;

5. according to the invention, the lug is matched with the wedge-shaped block, the wedge-shaped block enables the lug to move upwards, and further enables the special-shaped rod to move upwards, so that the supporting plate moves upwards, and the supporting plate supports the head of a patient, thereby preventing the head of the patient from shaking randomly to influence the rehabilitation progress when the patient performs rehabilitation exercise.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the stepping mechanism of the present invention.

Fig. 3 is a schematic perspective view of the seat mechanism of the present invention.

Fig. 4 is a schematic perspective view of the automatic operating mechanism of the present invention.

Fig. 5 is a schematic perspective view of the foot fixing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the waist fixing mechanism of the present invention.

Fig. 7 is a schematic perspective view of the head support mechanism of the present invention.

Description of reference numerals: 1_ bottom plate, 2_ stepping mechanism, 21_ first fixed frame, 22_ first rotating shaft, 23_ large rotating plate, 24_ small rotating plate, 25_ second rotating shaft, 26_ connecting rod, 27_ third rotating shaft, 28_ pedal, 3_ seat mechanism, 31_ fixed seat, 32_ first elastic component, 33_ cushion, 34_ backrest, 4_ automatic operating mechanism, 41_ mounting frame, 42_ servo motor, 43_ transmission component, 5_ foot fixing mechanism, 51_ pressing plate, 52_ top column, 53_ spring, 54_ lever, 55_ second fixed frame, 56_ fourth rotating shaft, 57_ first fixed plate, 58_ second elastic component, 59_ first clamping plate, 6_ lumbar fixing mechanism, 61_ second fixed plate, 62_ third elastic component, 63_ moving column, 64_ pressing block, 65_ top block, 66_ third fixed plate, 67_ fourth elastic component, 68_ second clamping plate, 7_ head support mechanism, 71_ mounting block, 72_ fifth elastic component, 73_ profile bar, 74_ pallet, 75_ fixing bar, 76_ wedge block, 77_ projection.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1

A medical rehabilitation device for leg paralysis comprises a base plate 1, a stepping mechanism 2 and a seat mechanism 3, wherein the stepping mechanism 2 is arranged at the front part of the base plate 1, and the seat mechanism 3 is arranged at the rear part of the base plate 1.

When a paralyzed leg patient needs rehabilitation exercise, firstly, a nursing person enables the patient to sit in the seat mechanism 3, the seat mechanism 3 is operated by the gravity of the patient, then the feet of the patient are placed in the foot stepping mechanism 2, then the foot stepping mechanism 2 is operated by the nursing person, so that the legs of the patient can be driven by the foot stepping mechanism 2 to complete bending or stretching actions, the leg exercise effect on the patient can be achieved by long-time exercise, after the rehabilitation exercise is completed by the patient, the foot stepping mechanism 2 is stopped by the nursing person, then the feet of the patient leave the foot stepping mechanism 2, then the patient is transferred back to a ward, at the moment, the seat mechanism 3 stops operating, then the original position is recovered, and if the equipment is used again, the steps are repeated.

Example 2

Based on embodiment 1, as shown in fig. 2 and 3, the stepping mechanism 2 includes a first fixing frame 21, a first rotating shaft 22, a large rotating plate 23, a small rotating plate 24, a second rotating shaft 25, a connecting rod 26, a third rotating shaft 27 and a pedal 28, two first fixing frames 21 are provided on the upper front portion of the base plate 1, the first rotating shaft 22 is rotatably provided between the upper portions of the first fixing frames 21 on the left and right sides, the large rotating plate 23 is provided in the middle of the first rotating shaft 22, the small rotating plates 24 are provided on the left and right sides of the first rotating shaft 22, the second rotating shaft 25 is provided in the middle of the upper left side of the small rotating plate 24 on the left side and the middle of the lower right side of the small rotating plate 24 on the right side, the connecting rod 26 is rotatably provided on the outer side of the second rotating shaft 25, the third rotating shaft 27 is rotatably provided in the lower portions of.

The nursing staff puts the feet of the patient on the pedal 28, then rotates the pedal 28 to a proper position, meanwhile, the pedal 28 rotates to drive the third rotating shaft 27 to rotate, then the nursing staff manually rotates the large rotating disc 23 forward, the large rotating disc 23 rotates to drive the first rotating shaft 22 to rotate, then the small rotating disc 24 rotates, so that the second rotating shaft 25 makes a circular motion, the second rotating shaft 25 moves to make the connecting rod 26 repeatedly move back and forth and up and down, the connecting rod 26 moves to make the third rotating shaft 27 make a circular motion, further the pedal 28 repeatedly moves back and forth and up and down, so that the legs of the patient can finish a bending or stretching action under the driving of the pedal 28, the long-time motion can exercise the legs of the patient, after the patient completes rehabilitation motion, the nursing staff stops rotating the large rotating disc 23 to make the pedal 28 stop moving, the nursing staff then makes the feet of the patient move out of the pedal 28, the patient is then transferred back to the ward.

The seat mechanism 3 comprises a fixed seat 31, a first elastic component 32, a seat cushion 33 and a backrest 34, the fixed seat 31 is arranged at the upper rear part of the bottom plate 1, the first elastic component 32 is arranged at the top of the fixed seat 31, the seat cushion 33 is arranged at the top of the first elastic component 32, and the backrest 34 is arranged at the rear side of the seat cushion 33.

The nursing staff enables the patient to sit on the seat cushion 33 and enable the back of the patient to lean against the backrest 34, due to the gravity of the patient, the seat cushion 33 moves downwards, the seat cushion 33 moves to drive the backrest 34 to move downwards, meanwhile, the first elastic assembly 32 changes from the initial state to the compressed state, the patient can conveniently carry out rehabilitation exercise, after the patient completes the rehabilitation exercise, the nursing staff enables the patient to leave the seat cushion 33, at the moment, the first elastic assembly 32 resets from the compressed state, the elastic force enables the seat cushion 33 and the backrest 34 to move back to the original position, and the nursing staff enables the patient to move back to the ward.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 4, 5, 6 and 7, the automatic operation mechanism 4 is further included, the automatic operation mechanism 4 includes an installation frame 41, a servo motor 42 and a transmission assembly 43, the installation frame 41 is connected between the tops of the first fixing frames 21 on the left side and the right side, the servo motor 42 is installed on the top of the installation frame 41, and the transmission assembly 43 is connected between the output shaft of the servo motor 42 and the first rotating shaft 22.

After patient's both feet are put on footboard 28, the nursing staff starts servo motor 42, servo motor 42's output shaft rotates and drives transmission assembly 43 and rotate, make first pivot 22 rotate then, first pivot 22 rotates and makes footboard 28 remove, thereby make patient's shank can accomplish crooked or tensile action under the drive of footboard 28, so can replace artifical manual rotation, time saving and labor saving, treat that patient accomplishes rehabilitation exercise after, the nursing staff closes servo motor 42, make footboard 28 no longer remove, the nursing staff makes patient's both feet remove from footboard 28 again, then transfer patient back to the ward.

The foot fixing mechanism 5 comprises a pressing plate 51, a top column 52, a spring 53, a lever 54, a second fixing frame 55, a fourth rotating shaft 56, a first fixing plate 57, a second elastic component 58 and a first clamping plate 59, wherein the pressing plate 51 is arranged on the inner side of the middle part of the top side of the pedal 28 on the left side and the right side in a sliding manner, the top column 52 is arranged at the bottom of the pressing plate 51 on the left side and the right side, the spring 53 is wound on the pressing plate 51 on the left side and the right side, the top of the spring 53 is connected with the pressing plate 51, the bottom of the spring 53 is connected with the pedal 28, two second fixing frames 55 are arranged in the middle part of the lower side of the left side and the right side of the pedal 28, the fourth rotating shaft 56 is rotatably connected between the second fixing frames 55 on the front side and the rear side, a first fixing plate 57 is arranged on four fourth rotating shafts 56, the lever 54 is connected between the bottom, four second elastic assemblies 58 are provided with first clamping plates 59 at the bottom.

The nursing staff puts the feet of the patient between the pressing plate 51 and the first clamping plate 59, due to the gravity of the feet of the patient, the pressing plate 51 slides downwards in the pedal 28, the spring 53 changes from the initial state to the compressed state, the pressing plate 51 moves to move the top pillar 52 downwards, the top pillar 52 moves to move the lever 54 downwards, the first fixing plate 57 rotates to drive the fourth rotating shaft 56 to rotate, meanwhile, the first fixing plate 57 rotates to drive the second elastic component 58 to move downwards, the second elastic component 58 moves to drive the first clamping plate 59 to move downwards, after the first clamping plate 59 moves to contact with the feet of the patient, the feet of the patient move the first clamping plate 59 upwards, the second elastic component 58 changes from the initial state to the compressed state to clamp the feet of the patient, so that the feet of the patient can be prevented from falling from the pedal 28 when the patient performs rehabilitation exercise, after the patient completes the rehabilitation exercise, the nursing staff moves the feet of the patient out of the space between the first clamping plate 59 and the pressing plate 51, the second elastic assembly 58 is reset from the compressed state, the elastic force moves the first clamping plate 59 downwards, meanwhile, the spring 53 is reset from the compressed state, the elastic force enables the pressing plate 51 to move back to the original position, and then the first fixing plate 57 is rotated back to the original position, so that the first clamping plate 59 moves back to the original position.

Also comprises a waist fixing mechanism 6, the waist fixing mechanism 6 comprises a second fixing plate 61, a third elastic component 62, a moving column 63 and a pressing block 64, ejector pad 65, third fixed plate 66, fourth elastic component 67 and second splint 68, fixing base 31 left and right sides rear portion all is equipped with second fixed plate 61, the second fixed plate 61 front side middle part of the left and right sides all is equipped with third elastic component 62, the third elastic component 62 front side of the left and right sides all is equipped with removes post 63, remove post 63 and fixing base 31 sliding type connection, back 34 rear side lower part is equipped with briquetting 64, the removal post 63 rear side upper portion of the left and right sides all is equipped with ejector pad 65, briquetting 64 and ejector pad 65 cooperation, the removal post 63 front side upper portion of the left and right sides is connected with third fixed plate 66, third fixed plate 66 rear side middle part is equipped with fourth elastic component 67, fourth elastic component 67 rear side is equipped with second splint 68.

When a patient sits on the cushion 33, the backrest 34 moves downwards, the backrest 34 moves to drive the pressing block 64 to move downwards, the pressing block 64 moves and pushes the top block 65 to move backwards, so that the moving column 63 slides backwards on the fixed seat 31, the third elastic component 62 is changed into a compressed state from an initial state, the moving column 63 moves to drive the third fixed plate 66 to move backwards, the third fixed plate 66 moves to drive the fourth elastic component 67 to move backwards, so that the second clamping plate 68 is driven to move backwards, after the second clamping plate 68 is moved to be in contact with the waist of the patient, the waist of the patient enables the second clamping plate 68 to move forwards, the fourth elastic component 67 is changed into a compressed state from the initial state, so that the waist of the patient is clamped, the patient can be prevented from falling off the cushion 33 during rehabilitation exercise, when the patient leaves the cushion 33, the fourth elastic component 67 is reset from the compressed state, and the second clamping plate 68 is moved backwards by the elastic force, at the same time, the backrest 34 and the pressing block 64 move back upward to the original position, the third elastic component 62 is reset from the compressed state, and the elastic force makes the moving column 63 move back to the original position, so that the second clamping plate 68 moves back to the original position.

The multifunctional chair is characterized by further comprising a head supporting mechanism 7, the head supporting mechanism 7 comprises an installation block 71, a fifth elastic assembly 72, a special-shaped rod 73, a supporting plate 74, a fixing rod 75, a wedge block 76 and a lug 77, the installation block 71 is arranged at the top of the left moving column 63, the fifth elastic assembly 72 is arranged at the top of the installation block 71, the special-shaped rod 73 is arranged at the top of the fifth elastic assembly 72, the supporting plate 74 is arranged on the right side of the special-shaped rod 73, the fixing rod 75 is arranged on the upper portion of the left side of the backrest 34, the wedge block 76 is arranged on the front side of the fixing rod 75, the lug 77 is arranged in.

When the left moving post 63 moves backward, the left moving post 63 moves the mounting block 71 backward, which in turn moves the fifth elastic member 72 backward, so that the profile rod 73 moves backwards, the profile rod 73 moves to drive the supporting plate 74 and the convex block 77 to move backwards, as the projection 77 cooperates with the wedge 76, the wedge 76 moves the projection 77 upwards, and consequently the profiled bar 73 upwards, thereby moving the support plate 74 upward, and the fifth elastic member 72 is changed from the initial state to the stretched state, at which the support plate 74 holds the head of the patient, thereby preventing the head of the patient from shaking randomly to affect the rehabilitation progress when the patient performs rehabilitation exercise, when the left moving column 63 moves forwards and back to the original position, the left moving column 63 moves to enable the special-shaped rod 73 to move forwards, the carriage 74 and the projection 77 are thus moved forward, at which time the fifth elastic element 72 is reset from the stretched condition, so that the profiled bar 73 and the carriage 74 are moved back into position.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A medical rehabilitation device for leg paralysis is characterized by comprising:

the device comprises a bottom plate (1) and a stepping mechanism (2), wherein the stepping mechanism (2) is arranged on the bottom plate (1);

the seat mechanism (3) is arranged on the bottom plate (1).

2. A medical rehabilitation device for leg paralysis according to claim 1, characterized in that said stepping means (2) comprise:

the bottom plate (1) is provided with two first fixing frames (21);

the first rotating shafts (22) are rotatably arranged between the upper parts of the two first fixing frames (21);

the middle part of the first rotating shaft (22) is provided with a large rotating disc (23);

two small turntables (24) are arranged on the first rotating shaft (22);

the second rotating shaft (25) is arranged on each of the two small rotating discs (24);

the two second rotating shafts (25) are respectively and rotatably provided with a connecting rod (26);

the third rotating shaft (27) is rotatably arranged on the two connecting rods (26);

the pedals (28) are arranged on the two third rotating shafts (27).

3. A medical rehabilitation device for leg paralysis according to claim 2, characterized in that the seat means (3) comprise:

the fixing seat (31) is arranged on the bottom plate (1);

the first elastic component (32) is arranged on the fixed seat (31);

the cushion (33) is arranged on the first elastic component (32);

the backrest (34) is arranged on the backrest (34), and the cushion (33) is provided with the backrest (34).

4. The medical rehabilitation apparatus for leg paralysis according to claim 3, further comprising an automatic operation mechanism (4), wherein the automatic operation mechanism (4) comprises:

the mounting racks (41) are connected between the tops of the two first fixing frames (21);

the servo motor (42) is mounted at the top of the mounting frame (41);

and a transmission assembly (43) is connected between the output shaft of the servo motor (42) and the first rotating shaft (22).

5. The medical rehabilitation apparatus for leg paralysis according to claim 4, further comprising a foot fixing means (5), wherein the foot fixing means (5) comprises:

the pressing plates (51) are arranged on the inner sides of the two pedals (28) in a sliding manner;

the bottom parts of the two pressing plates (51) are respectively provided with a top column (52);

the springs (53) are wound on the two pressure plates (51), the tops of the springs (53) are connected with the pressure plates (51), and the bottoms of the springs (53) are connected with the pedal (28);

the two pedals (28) are respectively provided with four second fixing frames (55);

the fourth rotating shafts (56) are rotatably connected between the four groups of two adjacent second fixing frames (55);

the first fixing plate (57) is arranged on each of the four fourth rotating shafts (56);

the levers (54) are connected between the bottoms of the four first fixing plates (57) and the bottoms of the top columns (52);

the upper parts of the four first fixing plates (57) are provided with second elastic components (58);

the bottoms of the first clamping plate (59) and the four second elastic assemblies (58) are respectively provided with the first clamping plate (59).

6. The rehabilitation apparatus for leg paralysis as recited in claim 5, further comprising a waist fixing mechanism (6), wherein the waist fixing mechanism (6) comprises:

two second fixing plates (61) are arranged on the fixing seat (31);

the third elastic assemblies (62) are arranged on the two second fixing plates (61);

the two third elastic assemblies (62) are respectively provided with a movable column (63), and the movable columns (63) are connected with the fixed seat (31) in a sliding manner;

the backrest (34) is provided with a pressing block (64);

the two moving columns (63) are respectively provided with a top block (65), and the pressing block (64) is matched with the top blocks (65);

a third fixing plate (66), wherein the third fixing plate (66) is connected between the two moving columns (63);

a fourth elastic component (67), wherein the third fixing plate (66) is provided with the fourth elastic component (67);

a second clamping plate (68) is arranged on the fourth elastic component (67).

7. The medical rehabilitation apparatus for leg paralysis according to claim 6, further comprising a head support mechanism (7), wherein the head support mechanism (7) comprises:

the mounting block (71) is arranged on the moving column (63) on one side of the mounting block (71);

the mounting block (71) is provided with a fifth elastic component (72);

a special-shaped rod (73), wherein the fifth elastic component (72) is provided with the special-shaped rod (73);

the supporting plate (74) is arranged on the special-shaped rod (73);

the fixing rod (75) is arranged on the backrest (34);

the fixing rod (75) is provided with a wedge block (76);

the convex block (77) is arranged on the special-shaped rod (73), and the convex block (77) is matched with the wedge block (76).

8. A medical rehabilitation apparatus for leg paralysis according to claim 7, characterized in that the material of the first holder (21) is an alloy.