CN117017703A - A rehabilitation medical device that can adjust the range of motion of the ankle - Google Patents

Abstract

The invention relates to the medical field, and specifically to a rehabilitation medical device that can adjust the range of motion of the ankle, including a movable plate for the patient's soles to be placed on. A chassis is provided below the movable plate, and a central ball axis is coaxially and fixedly provided on the chassis. The bottom surface of the movable plate is provided with a ball sleeve that is movable on the central ball axis. The outside of the movable plate is provided with a sleeve. The chassis is provided with uprights for fixing the sleeve. There are movable sleeves around the movable plate and the sleeve. An elastic connector, a swing mechanism is provided between the chassis and the casing, and the chassis is also provided with a swing control component to control the swing range of the movable disk. In the present invention, the patient can control the swing of the movable disk through the rotation of the movable disk on the central ball axis. The soles of the feet can swing following the movable plate. As the swing mechanism drives the movable plate, the movable plate is prompted to swing within the range set by the swing control component, allowing the patient's ankle to perform rehabilitation training within the range to which it can adapt, improving The patient's ankle rehabilitation outcome.

Description

Rehabilitation medical equipment capable of adjusting ankle movement amplitude

Technical Field

The application relates to the field of medical treatment, in particular to rehabilitation medical equipment capable of adjusting ankle movement amplitude.

Background

Ankle sprain is a very common physical injury, when ankle or foot is overturned, sprain or is subjected to excessive external force, ligaments around ankle joint can be excessively stretched or torn, ankle flexibility training is needed in the rehabilitation process when sprain is serious, namely ankle joint exercise is carried out in a certain range, at present, the ankle rehabilitation training is mainly carried out by doctors in China to repeatedly rotate ankle parts of patients at certain directions and speeds by hands, the medical process is also mainly mastered by the experience of doctors, however, the quantity of doctors is limited, and when the patients are more, all patients cannot be easily subjected to timely rehabilitation training, at this time, if rehabilitation is carried out by means of medical machinery, the efficiency and effect of rehabilitation are expected to be improved greatly, along with the continuous development of the medical machinery, many researchers use the research results of mechanics, electromagnetics, robotics and other subjects, a new rehabilitation training method is designed by combining with medical theory, and the rehabilitation robot is used as an automatic rehabilitation equipment to help the patients to carry out scientific and effective training to recover the exercise functions of the injured ankle parts of the patients, at present, and the medical practice is carried out on the ankle rehabilitation training is carried out by the domestic, and the feet of the feet can be carried out by certain free and comfortable exercise, and free exercise can not be carried out by the doctors and the rehabilitation training, and the patients have certain exercise results, and the free exercise performance can not be satisfied, and the practical exercise results are very good, and the practical exercise can not be satisfied.

The currently disclosed Chinese patent CN201510405101.1 is a six-degree-of-freedom wearable ankle rehabilitation medical robot, which comprises an upper platform (fixed platform), a lower platform (movable platform), a base and a cylinder (pneumatic cylinder, hydraulic cylinder or electric cylinder), wherein the upper platform is formed by fixedly connecting a central sleeve and an outer rigid structure and is fixed on the leg of a patient through wearing; the lower platform is fixedly connected with the shoes, and the feet of the patient are fixed through wearing; the six cylinders are respectively connected with the upper platform and the lower platform through a hook joint and a spherical joint; the long groove at the upper end of the base is in sliding connection with the sliding blocks around the upper platform, and the boss at the center of the base is connected with the bottom of the center of the lower platform through a spherical hinge; the expansion and contraction of the six cylinders are controlled by a computer system through a man-machine operation interface, and the effects can be realized as follows: the ankle can be rotated in various directions, the ankle is wearable (the legs and the feet of a patient are fixed), and the height of the lower platform can be adjusted according to the leg length of the patient.

According to the above patent, the ball hinge is driven to move by the cylinder (pneumatic cylinder, hydraulic cylinder or electric cylinder), so that the ball hinge is inconvenient to adjust according to ankle conditions of patients, the ankle injury of the patients is aggravated due to overlarge swing amplitude, and the number of the cylinders is too large, so that the cost is increased, and therefore, an ankle rehabilitation medical device capable of conveniently adjusting and controlling the swing amplitude is needed at present.

Disclosure of Invention

According to the rehabilitation medical equipment capable of adjusting the ankle movement amplitude, through the arrangement that the movable disc rotates on the central ball shaft, the patient sole can swing along with the movable disc, along with the driving of the movable disc by the swing mechanism, the movable disc is driven to swing in the range set by the swing control assembly, rehabilitation training of the ankle of the patient in the adaptable range is achieved, and rehabilitation effect of the ankle of the patient is improved.

In order to solve the problems in the prior art, the application provides rehabilitation medical equipment capable of adjusting the ankle movement range, which comprises a movable disc for placing the sole of a patient, wherein a chassis is arranged below the movable disc, a central ball shaft is coaxially and fixedly arranged on the chassis, the center of the bottom surface of the movable disc is contacted with a sphere part of the central ball shaft, a ball sleeve movably sleeved on the central ball shaft is arranged on the bottom surface of the movable disc, a casing is arranged on the outer side of the movable disc, an upright post for fixing the casing is arranged on the chassis, elastic connecting pieces are arranged between the periphery of the movable disc and the casing, a swinging mechanism for driving the movable disc to rotate by taking the central ball shaft as an axle center is arranged between the chassis and the casing, and a swing amplitude control assembly for controlling the swinging range of the movable disc is also arranged on the chassis.

Preferably, the swing mechanism is provided with an air bag package, the air bag package is of an annular closed structure, the air bag package is sleeved at the top of the movable disc, a cavity for the sole to be placed in is formed in the air bag package, the air bag package is located in the casing, the edge of the air bag package is fixed on the inner wall of the casing, the top of the air bag package and the periphery of the corresponding movable disc are respectively provided with an air port, and when each air port of the air bag package is respectively inflated, the inflated area of the air bag package is in an inflated state and the movable disc is enabled to be in a swing state.

Preferably, the top of the casing is fixedly provided with an annular air pipe coaxial with the top, each air port of the air bag package is communicated with the annular air pipe, a first valve is arranged at the joint of the annular air pipe and each air port of the air bag package, one side of the annular air pipe is provided with a first air inlet, and the other side of the annular air pipe is provided with a first air outlet.

Preferably, the swing mechanism is provided with an air bag film, a supporting disc coaxial with the movable disc and the chassis is arranged between the movable disc and the chassis, a through hole for a central ball shaft to pass through is formed in the center of the supporting disc, the supporting disc is fixedly connected with the chassis, air pipe groups are respectively arranged on the periphery of the supporting disc corresponding to the movable disc, the air bag film is fixedly sleeved on the supporting disc, the air bag film is positioned between the movable disc and the supporting disc, each air pipe group is connected with an arc-shaped air pipe, a first pipe joint connected with each air pipe of the air pipe group is arranged on the arc-shaped air pipe, and a second pipe joint is also arranged on the arc-shaped air pipe.

Preferably, a ventilation cavity is arranged between the supporting disc and the chassis, the ventilation cavity is positioned between the four arc-shaped air pipes, the second pipe joint of each arc-shaped air pipe is communicated with the ventilation cavity, the second pipe joint of each arc-shaped air pipe is provided with a second valve, and the ventilation cavity is respectively provided with a second air inlet and a second air outlet.

Preferably, the swing control assembly is provided with four sleeves, the four sleeves are uniformly distributed around the chassis, the axial direction of each sleeve is parallel to the axial direction of the central ball shaft, and each sleeve is internally inserted with one inserted rod.

Preferably, the sleeve is provided with a plurality of pin holes which are arranged at equal intervals along the axial direction of the sleeve and are perpendicular to the axial direction of the sleeve, the inserted link is provided with a positioning hole corresponding to the pin hole, and a plug pin is inserted between the pin hole and the positioning hole.

Preferably, the elastic connection piece is provided with a pull rope, the periphery of the movable disc is provided with a connecting block, the periphery of the casing is provided with a hinge block corresponding to the position of each connecting block, one end of the pull rope is connected to the connecting block, a rotating wheel is rotationally arranged in the hinge block, the other end of the pull rope is connected to the rotating wheel, the rotating wheel is connected with the hinge block through a rotating shaft, the axis direction of the rotating shaft is perpendicular to the axis direction of the casing, one end of the rotating shaft extends outwards, an end ring with the diameter larger than that of the rotating shaft is arranged at the extending end of the rotating shaft, and a torsion spring sleeved on the rotating shaft is fixedly connected between the end ring and the hinge block.

Preferably, the top of the movable plate is fixedly provided with a foot plate for the sole of the patient to tread, and the foot plate is provided with a first binding belt for the sole to be fixed.

Preferably, the side of the shell is fixedly provided with a supporting seat for supporting the lower leg of a patient, and the supporting seat is provided with a second binding belt for fixing the lower leg.

Compared with the prior art, the application has the beneficial effects that:

1. according to the application, through the arrangement that the movable disc rotates on the central ball shaft, the sole of a patient can swing along with the movable disc, and the movable disc is driven by the swing mechanism to swing in the range set by the swing control assembly, so that the ankle of the patient can perform rehabilitation training in the adaptable range, and the rehabilitation effect of the ankle of the patient is improved.

2. According to the first embodiment of the swing mechanism, through the arrangement of the four air ports on the air bag package, each air port corresponds to one area of the movable disc, when the air port is inflated, the inflatable area of the air bag package is inflated to promote the movable disc to move, and under the inflation effect of the four air ports on the air bag package in sequence, the movable disc swings back and forth and left and right on the central ball shaft, so that the movable disc drives the sole of a patient to move, and the rehabilitation effect of the ankle of the patient is improved.

3. According to the second embodiment of the swing mechanism, the four air tube groups sequentially inflate the air bag films, so that the peripheral areas of the air bag films sequentially expand to push the movable disc to swing on the central ball shaft, thereby driving the patient sole to swing back and forth and left and right by taking the central ball shaft as the axis, realizing the effect that the movable disc drives the patient sole to move, and improving the rehabilitation effect of the ankle of the patient.

4. According to the application, through the arrangement of the inserted link below the movable disc, the end part of the inserted link can be contacted when the movable disc swings, so that the movable disc is limited to swing continuously, and through the fixation of the inserted link at different positions in the sleeve, the end part of the inserted link is close to or far away from the movable disc, so that the swing range of the movable disc is adjusted, the limit on the swing range of the movable disc is realized, and the recovery of the ankle of a patient is effectively ensured.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 2 is a partial perspective sectional view of an embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 3 is a perspective sectional view of an embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 4 is a cross-sectional view of an embodiment one of a rehabilitation device with adjustable ankle activity.

Fig. 5 is an enlarged schematic view at a of fig. 3.

Fig. 6 is a schematic perspective view of a second embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 7 is a partial perspective sectional view of a second embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 8 is a cross-sectional view of a second embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 9 is a cross-sectional view II of a second embodiment of a rehabilitation device with adjustable ankle movement.

Fig. 10 is an enlarged schematic view at B of fig. 7.

The reference numerals in the figures are:

1-a movable disk; 11-ball sleeve; 12-foot plate; 121-a first strap; 2-chassis; 21-a pillar; 3-a central ball axis; 4-a casing; 41-a supporting seat; 411-second strap; a 5-elastic connection; 51-pulling rope; 52-connecting blocks; 53-hinge blocks; 531-rotating wheels; 5311-a spindle; 5312 an end ring; 532—torsion spring; 6-a swinging mechanism; 61-airbag package; 611-gas ports; 62-annular trachea; 621-a first valve; 622-first air inlet; 623-a first air outlet; 63-an airbag membrane; 64-supporting plate; 641-air tube group; 642-arc-shaped trachea; 6421-first pipe joint; 6422-a second pipe joint; 643-a vent chamber; 6431-a second valve; 6432-a second air inlet; 6433-a second air outlet; 7-swing control assembly; 71-a sleeve; 711 pin holes; 72-inserting a rod; 73-a bolt; 8-sole; 81-lower leg.

Detailed Description

The application will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the application and the specific objects and functions achieved.

Referring to fig. 1-10, a rehabilitation medical device capable of adjusting ankle movement range comprises a movable disc 1 for placing a patient's sole 8, wherein a chassis 2 is arranged below the movable disc 1, a central ball shaft 3 is coaxially and fixedly arranged on the chassis 2, the center of the bottom surface of the movable disc 1 is contacted with a ball body part of the central ball shaft 3, a ball sleeve 11 movably sleeved on the central ball shaft 3 is arranged on the bottom surface of the movable disc 1, a casing 4 is arranged on the outer side of the movable disc 1, an upright post for fixing the casing 4 is arranged on the chassis 2, elastic connectors 5 are arranged between the periphery of the movable disc 1 and the casing 4, a swinging mechanism 6 for driving the movable disc 1 to rotate by taking the central ball shaft 3 as an axle center is arranged between the chassis 2 and the casing 4, and a swing amplitude control assembly 7 for controlling the swing range of the movable disc 1 is also arranged on the chassis 2.

When the ankle of a patient is treated, firstly, the patient steps on the sole 8 on the movable disc 1, the movable disc 1 is in a horizontal state at the moment, the center of the bottom surface of the movable disc 1 is movably arranged on the center ball shaft 3 through the ball sleeve 11, so that the movable disc 1 can rotate by taking the center ball shaft 3 as the axis, before the swinging mechanism 6 is not started, the sole 8 is in a flat state, and when the swinging mechanism 6 is started, the movable disc 1 is driven by the swinging mechanism 6 to move on the center ball shaft 3, so that the sole 8 is driven to move, the sole 8 swings back and forth and does not twist, the rehabilitation training effect is achieved on the ankle, and when the movable disc 1 swings and is in a horizontal state after being inclined, the movable disc 1 and the shell 4 are connected together through the elastic connecting piece 5, the resetting effect is guaranteed, in order to avoid the too large range of motion of the ankle, the ankle injury of the patient is increased, and therefore, the swinging range of the movable disc 1 is controlled through the arrangement of the swinging mechanism 6 on the center ball shaft 3, the swing amplitude control assembly 7 can regulate the range, and the swing amplitude of the ankle of the movable disc 1 can be adjusted, and the swing amplitude of the ankle of the patient can be effectively adjusted within the range of the ankle of the patient.

Referring to fig. 1-4, the swing mechanism 6 is provided with an air bag 61, the air bag 61 is in a ring-shaped closed structure, the air bag 61 is sleeved at the top of the movable disk 1, a cavity for placing the sole 8 is formed in the air bag 61, the air bag 61 is located in the casing 4, the edge of the air bag 61 is fixed on the inner wall of the casing 4, an air port 611 is formed in the top of the air bag 61 and corresponds to the periphery of the movable disk 1, and when each air port 611 of the air bag 61 is inflated, the inflated area of the air bag 61 is in an inflated state and the movable disk 1 is caused to be in a swing state.

When the swing mechanism 6 is started, the four air holes 611 on the air bag 61 are respectively inflated to promote the air bag 61 to expand and push the movable disc 1 to rotate on the central ball shaft 3, the four air holes 611 of the air bag 61 are not inflated simultaneously, the four air holes 611 are inflated sequentially, when one air hole 611 is inflated, the rest air holes 611 are in a closed state, so that the air bag 61 is inflated by the inflated part, the effect of pushing the movable disc 1 from top to bottom is achieved, and the movable disc 1 is pushed by the air bag 61 to swing back and forth and left and right, so that the ankle of a patient is moved.

Referring to fig. 1-4, an annular air pipe 62 coaxial with the top of the casing 4 is fixedly arranged at the top of the casing 4, each air port 611 of the air bag 61 is communicated with the annular air pipe 62, a first valve 621 is arranged at the connection part of the annular air pipe 62 and each air port 611 of the air bag 61, a first air inlet 622611 is arranged at one side of the annular air pipe 62, and a first air outlet 623611 is arranged at the other side of the annular air pipe 62.

When one air port 611 of the air bag 61 is inflated, the first valve 621 of the air port 611 is opened, the first valves 621 of the other air ports 611 are closed, so that one area of the air bag 61 is inflated, thereby pushing the movable disk 1 to swing, and the first air inlet 622611 of the annular air pipe 62 is ventilated, and as each air port 611 of the air bag 61 is communicated with the annular air pipe 62, under the control of opening and closing each air port 611 by the first valve 621, the area of the air bag 61 at each air port 611 is sequentially inflated, and when the air port 611 is converted each time, the air of the air bag 61 is discharged through the first air outlet 623611, and then the next air port 611 is inflated, thereby driving the movable disk 1 to swing.

Referring to fig. 6-9, the swinging mechanism 6 is provided with an air bag film 63, a supporting disc 64 coaxial with the movable disc 1 and the chassis 2 is arranged between the movable disc 1 and the chassis 2, a through hole for the central ball shaft 3 to pass through is formed in the center of the supporting disc 64, the supporting disc 64 is fixedly connected with the chassis 2, air bag groups 641 are respectively arranged on the periphery of the supporting disc 64 corresponding to the movable disc 1, the air bag film 63 is fixedly sleeved on the supporting disc 64, the air bag film 63 is positioned between the movable disc 1 and the supporting disc 64, each air bag group 641 is connected with an arc-shaped air pipe 642, a first pipe joint 6421 connected with each air pipe of the air bag group 641 is arranged on the arc-shaped air pipe 642, and a second pipe joint 6422 is also arranged on the arc-shaped air pipe 642.

When the swinging mechanism 6 is started, the four arc-shaped air pipes 642 are sequentially inflated through the second pipe joint 6422, and air passes through the air pipe group 641 connected with the first pipe joint 6421 of the arc-shaped air pipe 642, so that the air bag film 63 is acted on the air bag film 63, and the air bag film 63 is sleeved on the supporting plate 64 and forms a closed space, so that the air bag film 63 is inflated opposite to the inflated part of the air pipe group 641, the effect that the movable plate 1 is pushed from bottom to top by the air bag film 63 is promoted, the movable plate 1 swings, and the surrounding area of the air bag film 63 is promoted to be sequentially inflated according to the sequential inflation of the four air pipe groups 641, so that the effect that the movable plate 1 swings from front to back and left to right is achieved.

Referring to fig. 6-9, a ventilation chamber 643 is disposed between the support plate 64 and the chassis 2, the ventilation chamber 643 is located between the four arc-shaped air pipes 642, the second pipe joint 6422 of each arc-shaped air pipe 642 is communicated with the ventilation chamber 643, the second pipe joint 6422 of each arc-shaped air pipe 642 is provided with a second valve 6431, and the ventilation chamber 643 is provided with a second air inlet 6432611 and a second air outlet 6433611.

When the four arc-shaped air pipes 642 are respectively inflated, air is introduced through the second air inlet 6432611 of the ventilation chamber 643, air enters the air chamber through the second pipe joint 6422 of the arc-shaped air pipes 642 and is controlled to be opened and closed through the second valve 6431 on the second pipe joint 6422, so that when one air pipe group 641 is inflated, the rest air pipe groups 641 are in a closed state, the effect that the air bag film 63 pushes the movable disc 1 to swing is effectively achieved, and after one air pipe group 641 is inflated, the air bag film 63 pushes the movable disc 1 to swing, the second air outlet 6433611 is exhausted along with the air bag film, the inflated area of the air bag film 63 is restored to a normal state, and the next air pipe group 641 is inflated, so that the movable disc 1 can swing in sequence front, back and left and right, and the ankle movement of a patient is effectively achieved.

Referring to fig. 1-5, the swing control assembly 7 is provided with four sleeves 71, the sleeves 71 are uniformly distributed around the chassis 2, the axial direction of each sleeve 71 is parallel to the axial direction of the central ball shaft 3, and each sleeve 71 is internally provided with a plug rod 72.

When the swing amplitude of the ankle of the patient is limited, the end of the inserted link 72 is positioned below the movable disc 1 through the arrangement of the inserted link 72 in the sleeve 71, and the bottom surface of the inserted link 72 contacts the end of the inserted link 72 when the movable disc 1 swings, so that the movable disc 1 is limited to swing continuously, and the ankle of the patient is ensured to move in an adaptable range.

Referring to fig. 5, a plurality of pin holes 711 are formed in the sleeve 71 along the axial direction thereof, the pin holes 711 are arranged at equal intervals and perpendicular to the axial direction of the sleeve 71, a positioning hole corresponding to the pin holes 711 is formed in the insert rod 72, and a plug pin 73 is inserted between the pin holes 711 and the positioning holes.

When the position of the insert pin 72 in the sleeve 71 is adjusted, the insert pin 73 is inserted through the positioning hole and the pin hole 711 by the correspondence of the positioning hole on the insert pin 72 and the pin hole 711 on the sleeve 71, so that the insert pin 72 is fixed in the sleeve 71, and since the sleeve 71 has the plurality of pin holes 711, the insert pin 72 is fixed according to the swing range adaptable to the ankle of the patient, so that the end of the insert pin 72 is close to or far from the movable disc 1, limiting the swing range of the movable disc 1.

Referring to fig. 6-10, the elastic connection member 5 is provided with a pull rope 51, the peripheral edge of the movable disc 1 is provided with a connection block 52, the peripheral edge of the casing 4 is provided with a hinge block 53 corresponding to the position of each connection block 52, one end of the pull rope 51 is connected to the connection block 52, the hinge block 53 is rotatably provided with a rotating wheel 531, the other end of the pull rope 51 is connected to the rotating wheel 531, the rotating wheel 531 is connected to the hinge block 53 through a rotating shaft 5311, the axial direction of the rotating shaft 5311 is perpendicular to the axial direction of the casing 4, one end of the rotating shaft 5311 extends outwards, the extending end of the rotating shaft 5311 is provided with an end ring 5312 with a diameter larger than that of the end ring 5312 between the rotating shaft 5311, and a torsion spring 532 sleeved on the rotating shaft 5311 is fixedly connected between the end ring 5312 and the hinge block 53.

When the movable disc 1 is not moving, the movable disc 1 is in a horizontal state, and when the movable disc 1 moves, the movable disc 1 is inclined due to swinging, in order to enable the movable disc 1 to recover to the horizontal state after swinging, a connecting block 52 on the movable disc 1 and a rotating wheel 531 arranged on a hinge block 53 on a casing 4 are connected together through a pull rope 51, and under the action of a torsion spring 532 connected between a rotating shaft 5311 on the rotating wheel 531 and the hinge block 53, the pulling of the four pull ropes 51 on the movable disc 1 is kept in the horizontal state, and after the movable disc 1 swings and inclines, the rotating wheel 531 rotates, the torsion spring 532 twists, and after the pushing force on the movable disc 1 is released, the torsion spring 532 is recovered to a normal state, the rotating wheel 531 rotates back to the original state, and at the moment, the movable disc 1 returns to the horizontal state again under the pulling of the four pull ropes 51, thereby being beneficial to the placement and movement of the sole 8.

Referring to fig. 1, 2, 6 and 7, a foot plate 12 for the sole 8 of the patient to tread is fixed on the top of the movable plate 1, and a first binding band 121 for the sole 8 to fix is arranged on the foot plate 12.

When the sole 8 of the patient is supported on the foot plate 12, the sole 8 is fixed on the foot plate through the first binding belt 121, so that the sole 8 of the patient can effectively follow the swing of the movable disc 1.

Referring to fig. 1, 2, 6 and 7, a support seat 41 for supporting the calf 81 of the patient is fixed on the side edge of the casing 4, and a second binding band 411 for fixing the calf 81 is arranged on the support seat 41.

After the patient's sole 8 is fixed to the foot plate 12, the patient's lower leg 81 is supported on the support base 41, and the lower leg 81 is fixed thereto by the second strap 411, ensuring that the ankle of the patient is stabilized during activities.

According to the application, through the arrangement that the movable disc 1 rotates on the central ball shaft 3, the sole 8 of a patient can swing along with the movable disc 1, and the movable disc 1 is driven by the swing mechanism 6 to swing within the range set by the swing control assembly 7, so that the ankle of the patient can perform rehabilitation training within the adaptable range, and the rehabilitation effect of the ankle of the patient is improved.

The foregoing examples merely illustrate one or more embodiments of the application, which are described in greater detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The utility model provides a rehabilitation medical equipment of adjustable ankle range of activity, a serial communication port, including supply movable dish (1) that patient's sole (8) placed, the below of movable dish (1) is equipped with chassis (2), coaxial and fixed being equipped with on chassis (2) center ball axle (3), the bottom surface center of movable dish (1) and the spheroid position contact of center ball axle (3), the bottom surface of movable dish (1) is equipped with movable sleeve and establishes ball cover (11) on center ball axle (3), the outside of movable dish (1) is equipped with cover shell (4), be equipped with on chassis (2) and supply the stand that cover shell (4) is fixed, all be equipped with elastic connection spare (5) between periphery and the cover shell (4) of movable dish (1), be equipped with between chassis (2) and cover shell (4) and be used for driving movable dish (1) and use center ball axle (3) as the axle center to carry out pivoted swing amplitude control assembly (7) to still be equipped with on chassis (2) and be used for controlling the swing scope of movable dish (1).

2. The rehabilitation medical device with adjustable ankle movement range according to claim 1, wherein the swinging mechanism (6) is provided with an air bag (61), the air bag (61) is of an annular closed structure, the air bag (61) is sleeved at the top of the movable disc (1), a cavity for the sole (8) to be placed in is formed in the air bag (61), the air bag (61) is located in the casing (4), the edge of the air bag (61) is fixed on the inner wall of the casing (4), an air port (611) is formed in the top of the air bag (61) and corresponds to the periphery of the movable disc (1) respectively, and when each air port (611) of the air bag (61) is inflated respectively, the inflated area of the air bag (61) is in an inflated state and the movable disc (1) is caused to be in a swinging state.

3. The rehabilitation medical device with adjustable ankle movement range according to claim 2, characterized in that an annular air pipe (62) coaxial with the annular air pipe is fixedly arranged at the top of the casing (4), each air port (611) of the air bag (61) is communicated with the annular air pipe (62), a first valve (621) is arranged at the connection position of the annular air pipe (62) and each air port (611) of the air bag (61), a first air inlet (622) (611) is arranged on one side of the annular air pipe (62), and a first air outlet (623) (611) is arranged on the other side of the annular air pipe (62).

4. The rehabilitation medical device with adjustable ankle movement range according to claim 1, characterized in that the swinging mechanism (6) is provided with an air bag film (63), a supporting plate (64) coaxial with the movable plate (1) and the chassis (2) is arranged between the movable plate (1) and the chassis (2), a through hole for the central ball shaft (3) to pass through is formed in the center of the supporting plate (64), the supporting plate (64) is fixedly connected with the chassis (2), air pipe groups (641) are respectively arranged on the periphery of the supporting plate (64) corresponding to the movable plate (1), the air bag film (63) is fixedly sleeved on the supporting plate (64), the air bag film (63) is positioned between the movable plate (1) and the supporting plate (64), each air pipe group (641) is connected with an arc-shaped air pipe (642), a first pipe joint (6421) connected with each air pipe of the air pipe group (641) is arranged on the arc-shaped air pipe (642), and a second pipe joint (6422) is also arranged on the arc-shaped air pipe (642).

5. The rehabilitation medical device with adjustable ankle movement according to claim 4, wherein a ventilation chamber (643) is arranged between the supporting disc (64) and the chassis (2), the ventilation chamber (643) is arranged among four arc-shaped air pipes (642), a second pipe joint (6422) of each arc-shaped air pipe (642) is communicated with the ventilation chamber (643), a second valve (6431) is arranged at the second pipe joint (6422) of each arc-shaped air pipe (642), and a second air inlet (6432) (611) and a second air outlet (6433) (611) are respectively arranged on the ventilation chamber (643).

6. The rehabilitation medical device with adjustable ankle movement amplitude according to claim 1, characterized in that the swing control assembly (7) is provided with four sleeves (71), the sleeves (71) are uniformly distributed around the chassis (2), the axial direction of each sleeve (71) is parallel to the axial direction of the central ball shaft (3), and each sleeve (71) is internally inserted with a plug rod (72).

7. The rehabilitation medical device with adjustable ankle movement range according to claim 6, wherein a plurality of pin holes (711) which are arranged at equal intervals and are perpendicular to the axial direction of the sleeve (71) are formed in the sleeve (71) in a penetrating manner along the axial direction of the sleeve, a positioning hole corresponding to the pin holes (711) is formed in the inserted rod (72) in a penetrating manner, and a plug pin (73) is inserted between the pin holes (711) and the positioning holes.

8. The rehabilitation medical device with adjustable ankle movement range according to claim 1, wherein the elastic connecting piece (5) is provided with a pull rope (51), the peripheral edge of the movable disc (1) is provided with a connecting block (52), the peripheral edge of the casing (4) is provided with a hinge block (53) corresponding to the position of each connecting block (52), one end of the pull rope (51) is connected to the connecting block (52), the hinge block (53) is rotationally provided with a rotating wheel (531), the other end of the pull rope (51) is connected to the rotating wheel (531), the rotating wheel (531) is connected with the hinge block (53) through a rotating shaft (5311), the axial direction of the rotating shaft (5311) is perpendicular to the axial direction of the casing (4), one end of the rotating shaft (5311) extends outwards, an end ring (5312) with a diameter larger than that of the rotating shaft (5311) is arranged at the extending end, and a torsion spring (532) sleeved on the rotating shaft (5311) is fixedly connected between the end ring (5312) and the hinge block (53).

9. The rehabilitation medical device with adjustable ankle activity amplitude according to claim 1, wherein a foot plate (12) for a patient's sole (8) to tread is fixed on the top of the activity disc (1), and a first binding belt (121) for the sole (8) to fix is arranged on the foot plate (12).

10. A rehabilitation medical device with adjustable ankle movement according to claim 1, characterized in that the side of the casing (4) is fixed with a support seat (41) for the patient's lower leg (81) to rest against, and the support seat (41) is provided with a second binding band (411) for the lower leg (81) to fix.