CN108703866B

CN108703866B - Passive ankle pump movement device

Info

Publication number: CN108703866B
Application number: CN201810589108.7A
Authority: CN
Inventors: 曾莲; 张茹
Original assignee: Changzhou Tumor Hospital (changzhou Fourth People's Hospital)
Current assignee: Changzhou Tumor Hospital (changzhou Fourth People's Hospital)
Priority date: 2018-06-08
Filing date: 2018-06-08
Publication date: 2023-12-22
Anticipated expiration: 2038-06-08
Also published as: CN108703866A

Abstract

The invention discloses a passive ankle pump movement device, which comprises a horizontally arranged placing plate, a vertically arranged mounting plate, a fixing mechanism for fixing feet of a patient, a driving mechanism for driving ankle joints of the patient to do bending and stretching movement, and a control mechanism for controlling the driving mechanism to open and close, wherein one end of the placing plate far away from the patient is fixedly connected with the fixing plate, and the passive ankle pump movement device comprises: the fixing mechanism comprises a fixing plate which is rotationally connected with the placing plate and used for placing the feet of the patient, and a binding part which is used for fixing the feet of the patient on the fixing plate, the fixing plate is rotationally connected with the placing plate through a rotating shaft, and the rotating shaft is arranged along the width direction of the fixing plate. The whole device is fixed on a patient bed through the mounting plate, the foot of a patient is fixed on the fixing plate through the binding part, the driving mechanism is started through the control mechanism, and the driving mechanism drives the fixing plate to swing back and forth, so that the ankle joint is driven to do passive flexion and extension movement, and the whole device can automatically achieve the effect of passive flexion and extension movement on the ankle joint of the patient.

Description

Passive ankle pump movement device

Technical Field

The invention relates to the technical field of human body rehabilitation, in particular to a passive ankle pump movement device.

Background

Patients who are not awake and patients who are unconscious and are unconscious are anesthetized during operation and after operation, and because the patients do not independently move, the lower limbs are in a long-term braking state, deep venous thrombosis of the lower limbs is easy to occur, and at present, medical staff or accompanying staff generally assist the patients to do passive ankle joint flexion and extension movements by hands so as to prevent the deep venous thrombosis, and therefore, the method is time-consuming and labor-consuming, and the effectiveness of ankle pump movement cannot be guaranteed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a passive ankle pump movement device which has the characteristic of automatically driving the ankle joint of a patient to do flexion and extension movement.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a passive ankle pump motion device, includes that the board is placed in the level setting, the mounting panel of vertical setting, be used for fixed patient's foot fixed establishment, be used for driving patient's ankle joint to do the actuating mechanism of bending and stretching the motion, control actuating mechanism opens and closes, place the board keep away from patient one end with fixed plate is connected fixedly, wherein:

the fixing mechanism comprises a fixing plate which is rotationally connected with the placing plate and used for placing the feet of the patient, and a binding part which is used for fixing the feet of the patient on the fixing plate, wherein the fixing plate is rotationally connected with the placing plate through a rotating shaft, and the rotating shaft is arranged along the width direction of the fixing plate.

Through adopting above-mentioned technical scheme, fix whole device on the sick bed through the mounting panel, use ligature portion to fix patient's foot on the fixed plate, start actuating mechanism through control mechanism, actuating mechanism drives the fixed plate and swings back and forth to drive the ankle joint and do passive flexion and extension motion, whole device can realize carrying out the effect of passive flexion and extension motion to patient's ankle joint automatically.

Further, actuating mechanism includes gear motor, swing guide arm mechanism includes link, slider, the mounting panel is close to patient one side and is connected with the connecting strip, the other end of connecting strip is provided with gear motor, gear motor's output shaft with link one end tight fit grafting, the other end of link rotates and is connected with the slider, the open slot that sets up from its free end to the rotation end has been seted up to fixed plate one side, the open slot will the fixed plate separation is located guide arm and the rotor plate of open slot both sides respectively, the slider slides and connects on the guide arm, and follows guide arm length direction slides.

Through adopting above-mentioned technical scheme, patient's laminating behind lying the sole on the rotor plate, use ligature portion to fix patient's foot on the rotor plate, start gear motor through control switch, gear motor rotates and drives the side link and rotate, because the side link other end rotates with the slider to be connected, the slider slides and sets up on the guide arm, the side link rotates and drives the slider and take place relative position change, the slider is when sliding along the guide arm, drive the rotation of guide arm, because the guide arm is a part of fixed plate with the rotor plate, thereby drive the rotor plate and make a round trip the swing rotation in certain angle, and then realize the passive flexion and extension motion of ankle joint, be favorable to patient's ankle joint's rehabilitation. Through combining swing guide arm mechanism and fixed plate, utilize to offer the open slot at the fixed plate, separate into rotor plate and guide arm with the fixed plate, the guide arm can regard as the part of swing guide arm mechanism again, and the combination of both reaches the effect that helps patient's ankle joint to carry out passive flexion and extension motion, and whole structure is also simpler to part quantity has been reduced.

Further, the control mechanism comprises a control switch electrically connected with the gear motor, and the control switch is arranged on the side face of the connecting strip and used for controlling the gear motor to be turned on and off.

Further, the binding part is an air bag belt, two ends of the air bag belt are respectively connected and fixed with two sides of the rotating plate, and a one-way air inlet valve is arranged on the surface of the air bag belt.

Through adopting above-mentioned technical scheme, stretch into patient's foot between rotor plate and the gasbag area, laminate the sole behind the rotor plate surface, aerify the gasbag area and make the gasbag area extrude patient's instep, accomplish the fixed to patient's foot, the gasbag area can play the effect to patient's instep pressurization massage to patient's foot's extrusion simultaneously.

Further, the connecting strip, the side link, the slider, the rotor plate is followed the axis of rotation of rotor plate sets gradually, the slider is close to side link one side is provided with the connecting axle, the connecting axle with the side link rotates to be connected.

Through adopting above-mentioned technical scheme, connecting strip, side link, the setting in proper order of slider for side link, slider, guide arm pivoted board can not appear the condition of mutual interference in the rotation in-process, have guaranteed patient's ankle joint and have bent the continuity of stretching the motion, and this kind of setting can make whole structure simpler, can reduce part quantity and reduce the device volume.

Further, the side link includes coaxial head rod, second connecting rod and locating pin that sets up, the head rod with gear motor rotates to be connected, the second connecting rod with the slider rotates to be connected, the other pot head of head rod is established the second connecting rod is kept away from on the slider one end outer wall, a plurality of first locating holes that run through have been seted up to the head rod lateral wall, a plurality of first locating holes are followed the length direction evenly distributed of head rod, the second connecting rod stretches into the second locating hole that runs through has been seted up to head rod one end lateral wall, the diameter of second locating hole with first locating hole is the same, and both parallel arrangement, the locating pin passes coaxial one of them respectively first locating hole and second locating hole.

Through adopting above-mentioned technical scheme, set up the side link into the telescopic link, through the relative position of adjustment head rod and second connecting rod, realize the length adjustment of whole connecting rod, because the length variation of connecting rod drives the motion track of slider and changes to can change the swing range of guide arm and pivoted plate, reach patient and bend the range change of stretching motion, thereby can be according to patient's actual need, adjust the length of connecting rod, adapt to different patient's different needs of bending.

Further, a buffer part is further arranged on the placing plate, the buffer part is positioned on one side, close to the patient, of the rotating end of the fixed plate, and the buffer strip extends to the rotating end of the rotating plate.

By adopting the technical scheme, the heel of the patient is placed on the buffer part, so that the ankle joint of the patient can be protected from being abraded in the bending and stretching process, and the skin of the heel and the skin of the lower leg can be protected.

Further, the buffer part comprises a buffer layer and springs, a plurality of springs are arranged in the buffer layer in an array mode, and each spring is arranged along the thickness direction of the buffer layer.

Through adopting above-mentioned technical scheme, patient's heel department is placed on the buffer layer, also plays the buffering when the spring in the buffer layer can play to support patient's heel for patient's ankle joint is in the motion process of buckling and stretching, and the buffer layer can protect patient's heel relatively well, also increases patient's comfort level simultaneously.

Further, the gasbag area is equipped with the layer of placing in laminating patient foot one side, place in placing the intra-layer and place detumescence plaster, detumescence plaster is by negundo chastetree fruit 5-6 parts, cercis bark 5-10 parts, whole angelica 1-2 parts, papaya 2-4 parts, red sage root 2-4 parts, notopterygium root 3-4 parts, red peony root 6-7 parts, dahurian angelica root 2-3 parts, nux vomica 2-6 parts, prevent wind 2-5 parts, radix clematidis 5-8 parts, weeping forsythiae capsule 2-3 parts, ligusticum wallichii 2-3 parts, achyranthes root 3-4 parts, radix trichosanthis 3-4 parts, gentiana macrophylla 2-3 parts, licorice root 1-2 parts, turmeric piece 2-3 parts by weight, place the layer and contact patient foot one side and seted up a plurality of bleeder vents.

By adopting the technical scheme, the detumescence plaster is arranged in the placement layer, so that detumescence and collateral activating blood vessels can be facilitated for feet of a patient, and meanwhile, the airbag belt 41 is stressed and the detumescence plaster is tightly attached to the foot surface of the patient due to the inflation effect of the airbag belt, so that the absorption of the drug effect can be facilitated.

Further, the surface of the rotating plate contacting with the sole of the patient is provided with a plurality of bulges for massaging the acupoints.

Through adopting above-mentioned technical scheme, bellied setting for in the ankle joint in-process of stretching motion, because the gasbag area is exerted pressure to patient's instep, patient's sole can be passive exert pressure to the rotor plate surface, thereby the bellied massage effect that can play to patient's sole well.

In summary, the invention has the following beneficial effects:

1. the effect of driving the ankle joint of the patient to do bending and stretching movement is achieved by arranging the rotating plate, the guide rod, the sliding block, the side link and the speed reducing motor;

2. through setting up gasbag area, buffer layer, spring, can play the characteristics of fixed patient's foot and protection heel.

Drawings

FIG. 1 is a schematic elevational view of a passive ankle pump exercise device according to one embodiment of the invention;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 3 is a schematic top view of a passive ankle pump exercise device according to one embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the portion B in FIG. 3;

FIG. 5 is a schematic view of a rotating plate and an airbag belt portion according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a buffer layer according to an embodiment of the present invention.

In the figure: 1. placing a plate; 2. a mounting plate; 21. a connecting strip; 3. a fixing mechanism; 31. a fixing plate; 311. an open slot; 312. a guide rod; 313. a rotating plate; 32. an airbag belt; 321. a one-way air inlet valve; 322. placing a layer; 34. a rotating shaft; 4. a driving mechanism; 41. a speed reducing motor; 42. a side link; 421. a first connecting rod; 422. a second connecting rod; 423. a positioning pin; 424. a first positioning hole; 425. a second positioning hole; 43. a slide block; 5. a control mechanism; 51. a control switch; 6. a buffer section; 61. a buffer layer; 62. a spring; 7. an inflator pump.

Detailed Description

Examples:

the invention is described in further detail below with reference to fig. 1-6.

The utility model provides a passive ankle pump motion device, as shown in fig. 1-6, including the board 1 of placing that the level set up, the mounting panel 2 of vertical setting, be used for fixing patient's foot's fixed establishment 3, be used for driving patient's ankle joint and do the actuating mechanism 4 of bending and stretching the motion, control mechanism 5 that control actuating mechanism 4 opened and closed, place board 1 keep away from patient one end and be connected fixedly with fixed plate 31, fixed plate 31 is close to sick bed head one side and is fixed at the sick bed afterbody through clip laminating with the sick bed, place board 1's width and the width of mounting panel 2 the same, and both are connected along its width direction, both sides are in same vertical plane.

The fixing mechanism 3 comprises a fixing plate 31 which is rotatably connected with the placing plate 1 and is used for placing the feet of the patient, and a binding part which is used for fixing the feet of the patient on the fixing plate 31, wherein the feet of the patient are fixed on the fixing plate 31 through the binding part, the fixing plate 31 is rotatably connected with the placing plate 1 through a rotating shaft 34, and the rotating shaft 34 of the fixing plate 31 is arranged along the width direction of the fixing plate 31; the rotating shaft 34 is rotatably connected with the placing plate 1, and the rotating shaft 34 is fixedly connected with the fixing plate 31. The rotation shaft 34 is located at the patient-near side of the fixed plate 31, and the free end of the fixed plate 31 is further away from the patient than the rotation end.

The driving mechanism 4 comprises a gear motor 41 and a swing guide rod mechanism, the swing guide rod mechanism comprises a side link 42 and a sliding block 43, the side link 42 and the sliding block 43 form a moving pair, the side face of the mounting plate 2, which is close to one side of a patient, is connected with a connecting strip 21, the width of the fixing plate 31 is smaller than that of the placing plate 1, the other end of the connecting strip 21 is provided with the gear motor 41, an output shaft of the gear motor 41 is in tight fit connection with one end of the side link 42, a hole matched with the output shaft of the gear motor 41 is formed in the side link 42, interference fit is achieved, and accordingly the output shaft of the gear motor 41 rotates to drive the side link 42 to rotate, and the output shaft of the gear motor 41 is arranged in parallel with the rotation axis of the fixing plate 31. The other end of the side link 42 is rotatably connected with a sliding block 43, one side of the fixed plate 31 is provided with an open slot 311 from the free end to the rotating end, the open slot 311 separates the fixed plate 31 into a guide rod 312 and a rotating plate 313 which are respectively positioned at two sides of the open slot 311, the rotating plate 313 is used for placing feet of a patient, the open slot 311 penetrates through one end of the free end of the fixed plate 31, the length of the open slot 311 is smaller than that of the fixed plate 31, and the sliding block 43 is glidingly connected to the guide rod 312 and glidingly connected along the length direction of the guide rod 312; the gear motor 41 rotates to drive the side link 42 to rotate, so that the sliding block 43 at the other end of the connecting frame is driven to move, the relative position between the sliding block 43 and the guide rod 312 is moved, the effect of rotating the guide rod 312 is achieved, and the guide rod 312 can swing within a certain angle range. Since the guide rods 312 and the rotating plate 313 are integrally provided, the back and forth swinging of the guide rods 312 enables the rotating plate 313 to swing back and forth within a certain angle range, and the passive flexion and extension movement of the ankle joint of the patient fixed on the rotating plate 313 is realized.

The control mechanism 5 includes a control switch 51 electrically connected to the gear motor 41, the control switch 51 being provided on the side of the connecting bar 21 for controlling the on and off of the gear motor 41. The gear motor 41 is powered on, and the gear motor 41 is turned on and off by the control switch 51.

The binding part is an air bag belt 32, two ends of the air bag belt 32 are respectively connected and fixed with two sides of the rotating plate 313, and a one-way air inlet valve 321 is arranged on the surface of the air bag belt 32. The air pump 7 can be used for inflating the unidirectional air inlet valve 321, the foot of a patient is fixed on the rotating plate 313 until the air bag belt 32, the tightness of the air bag belt 32 to the foot of the patient is selected according to the comfort level of the patient, in the embodiment, the air pump 7 is arranged on the placing plate 1, the air outlet of the air pump 7 is communicated with the unidirectional air inlet valve 321, and after the air pump 7 is connected with a power supply, the air bag belt 32 can be inflated. The binding part may be also constituted by a general binding band fixed to both sides of the rotation plate 313, and the patient angle may be rapidly fixed to the rotation plate 313.

The connecting strip 21, the side link 42, the sliding block 43 and the rotating plate 313 are sequentially arranged along the rotating axis of the rotating plate 313, a connecting shaft is arranged on the side surface of one side of the sliding block 43, which is close to the side link 42, and the connecting shaft is rotationally connected with the side link 42. One end of the side link 42, which is rotationally connected with the sliding block 43, is embedded with a bearing which is tightly matched with the connecting shaft, and the sliding block 43 is rotationally connected with the side link 42 through the interference fit between the connecting shaft and the inner ring of the bearing.

The side link 42 includes coaxial first connecting rod 421, second connecting rod 422 and locating pin 423 that set up, first connecting rod 421 rotates with gear motor 41 to be connected, second connecting rod 422 rotates with slider 43 to be connected, the other end cover of first connecting rod 421 is established on second connecting rod 422 keeps away from slider 43 one end outer wall, a plurality of first locating holes 424 that run through have been seted up to first connecting rod 421 lateral wall, a plurality of first locating holes 424 evenly distributed along the length direction of first connecting rod 421, second connecting rod 422 stretches into first connecting rod 421 one end lateral wall and has seted up the second locating hole 425 that runs through, the diameter of second locating hole 425 is the same with first locating hole 424, and both are parallel, locating pin 423 passes coaxial one of them first locating hole 424 and second locating hole 425 respectively. The diameter of the positioning pin 423, the diameter of the first positioning hole 424 and the diameter of the second positioning hole 425 are all the same, when the relative positions of the first connecting rod 421 and the second connecting rod 422 need to be adjusted, the second positioning hole 425 and one of the first positioning holes 424 are moved to be coaxial, and then the positioning pin 423 is used to pass through the coaxial first positioning hole 424 and the second positioning hole 425 respectively, so that the relative fixation of the first connecting rod 421 and the second connecting rod 422 is realized.

The placing plate 1 is further provided with a buffer part 6, the buffer part 6 is positioned at one side of the rotating end of the fixed plate 31 close to the patient, and the buffer strip extends to the rotating end of the rotating plate 313. The buffer portion 6 includes a buffer layer 61 and springs 62, and a plurality of springs 62 are arranged in an array in the buffer layer 61, and each spring 62 is arranged in the thickness direction of the buffer layer 61. The upper surface of the buffer layer 61 is higher than the rotation axis of the rotation plate 313, and the buffer layer 61 is made of a sponge material and covers the placement plate 1 and one end of the rotation plate 313.

The air bag belt 32 is provided with a placement layer 322 on one side, which is attached to the foot of a patient, of which the placement layer 322 is internally provided with detumescence plaster which consists of 5-6 parts of negundo chastetree fruit, 5-10 parts of cercis bark, 1-2 parts of whole angelica, 2-4 parts of papaya, 2-4 parts of red sage root, 3-4 parts of notopterygium root, 6-7 parts of red paeony root, 2-3 parts of angelica dahurica, 2-6 parts of nux vomica, 2-5 parts of radix sileris, 5-8 parts of radix clematidis, 2-3 parts of fructus forsythiae, 2-3 parts of rhizoma ligustici wallichii, 3-4 parts of radix achyranthis bidentatae, 3-4 parts of radix trichosanthis, 2-3 parts of gentian, 1-2 parts of liquorice and 2-3 parts of curcuma longa by weight, and one side, which is contacted with the foot of the placement layer 322 is provided with a plurality of ventilation holes. The detumescence plaster is arranged in the placement layer 322, which is beneficial to detumescence and activating blood vessels of the feet of the patient, and meanwhile, the air bag belt 32 is tightly attached to the instep of the patient due to the self inflation function of the air bag belt 32, so that the absorption of the drug effect can be more beneficial.

The surface of the rotation plate 313 contacting the patient's sole is provided with a plurality of protrusions for massaging acupoints. In this embodiment, the protrusions are matched according to the existing sole acupoints, and are cylindrical protrusions, so that in the ankle flexion and extension movement process, the air bag belt 32 applies pressure to the patient's instep, and the patient's sole can passively apply pressure to the surface of the rotating plate 313, so that the protrusions can well massage the patient's sole.

The gear motor 41 may be a variable frequency motor, and the rotation speed of the output shaft of the gear motor 41 may be changed by frequency conversion.

Working principle:

the patient lies down the back with the sole laminating on the rotor plate 313, stretch into the patient foot between rotor plate 313 and the gasbag area 32, laminate the sole behind rotor plate 313 surface, carry out the inflatable treatment to the gasbag area 32 and accomplish the fixed to patient foot, pass coaxial one of them first locating hole 424 and second locating hole 425 respectively through locating pin 423 and realize the length adjustment of side link 42, start gear motor 41 through control switch 51, gear motor 41 rotates and drives side link 42 and rotate, side link 42 rotates and drives slider 43 and take place relative position change, slider 43 is when following guide arm 312 and slides, realize rotor plate 313 carries out the swing rotation of making a round trip in certain angle, and then realize the passive flexion and extension motion of ankle joint, be favorable to patient's ankle joint's rehabilitation.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims

1. A passive ankle pump exercise device, characterized in that: including the board (1) of placing of level setting, mounting panel (2) of vertical setting, be used for fixed patient foot's fixed establishment (3), be used for driving patient's ankle joint and do actuating mechanism (4) of stretching motion, control actuating mechanism (4) open and control mechanism (5) of closing, wherein:

the fixing mechanism (3) comprises a fixing plate (31) which is rotationally connected with the placing plate (1) and used for placing the feet of a patient, and a binding part which is used for fixing the feet of the patient on the fixing plate (31), wherein the fixing plate (31) is rotationally connected with the placing plate (1) through a rotating shaft (34), and the rotating shaft (34) is arranged along the width direction of the fixing plate (31); one end of the placing plate (1) far away from a patient is fixedly connected with the fixing plate (31);

the driving mechanism (4) comprises a speed reducing motor (41) and a swing guide rod mechanism, the swing guide rod mechanism comprises a side connecting rod (42) and a sliding block (43), a connecting strip (21) is connected to one side face of the mounting plate (2) close to a patient, the other end of the connecting strip (21) is provided with the speed reducing motor (41), an output shaft of the speed reducing motor (41) is in tight fit connection with one end of the side connecting rod (42), the other end of the side connecting rod (42) is rotationally connected with the sliding block (43), an open slot (311) is formed in one side of the fixing plate (31) from the free end to the rotating end, the open slot (311) divides the fixing plate (31) into guide rods (312) and rotating plates (313) which are respectively positioned on two sides of the open slot (311), and the sliding block (43) is slidingly connected to the guide rods (312) and slides along the length direction of the guide rods (312).

The connecting strip (21), the side link (42), the sliding block (43) and the rotating plate (313) are sequentially arranged along the rotating axis of the rotating plate (313), a connecting shaft is arranged on the side surface, close to one side of the side link (42), of the sliding block (43), and the connecting shaft is rotationally connected with the side link (42);

the side link (42) comprises a first connecting rod (421), a second connecting rod (422) and a locating pin (423) which are coaxially arranged, the first connecting rod (421) is rotationally connected with the gear motor (41), the second connecting rod (422) is rotationally connected with the sliding block (43), the other end of the first connecting rod (421) is sleeved on the outer wall of one end of the second connecting rod (422) away from the sliding block (43), the side wall of the first connecting rod (421) is provided with a plurality of first locating holes (424) which penetrate through, the first locating holes (424) are uniformly distributed along the length direction of the first connecting rod (421), the second connecting rod (422) stretches into the side wall of one end of the first connecting rod (421) to form a second locating hole (425) which penetrates through, the diameter of the second locating hole (425) is the same as that of the first locating hole (424), the second locating hole (425) is parallel to the first locating hole and the second locating hole (424), and the locating pin (423) respectively penetrates through one of the first locating holes (424) and the second locating hole (425) which are coaxial;

the air bag belt (32) is provided with a placement layer (322) on one surface, wherein detumescence plaster is placed in the placement layer (322), the detumescence plaster consists of 5-6 parts of negundo chastetree fruit, 5-10 parts of kadsura root bark, 1-2 parts of whole angelica sinensis, 2-4 parts of papaya, 2-4 parts of red sage root, 3-4 parts of notopterygium root, 6-7 parts of red paeony root, 2-3 parts of angelica dahurica, 2-6 parts of nux vomica, 2-5 parts of divaricate saposhnikovia root, 5-8 parts of radix clematidis, 2-3 parts of fructus forsythiae, 2-3 parts of ligusticum wallichii, 3-4 parts of radix achyranthis bidentatae, 3-4 parts of radix trichosanthis, 2-3 parts of gentiana macrophylla, 1-2 parts of liquorice and 2-3 parts of rhizoma curcumae by weight, and one surface, which is contacted with the foot of the patient, is provided with a plurality of ventilation holes.

2. The passive ankle pump exercise device of claim 1 wherein: the control mechanism (5) comprises a control switch (51) electrically connected with the gear motor (41), and the control switch (51) is arranged on the side face of the connecting strip (21) and used for controlling the gear motor (41) to be turned on and off.

3. The passive ankle pump exercise device of claim 1 wherein: the binding part is an air bag belt (32), two ends of the air bag belt (32) are respectively connected and fixed with two sides of the rotating plate (313), and a unidirectional air inlet valve (321) is arranged on the surface of the air bag belt (32).

4. The passive ankle pump exercise device of claim 1 wherein: the placing plate (1) is also provided with a buffer part (6), and the buffer part (6) is positioned at one side of the rotating end of the fixed plate (31) close to the patient.

5. The passive ankle pump exercise device of claim 4 wherein: the buffer part (6) comprises a buffer layer (61) and springs (62), wherein a plurality of springs (62) are arranged in a rectangular array in the buffer layer (61), and each spring (62) is arranged along the thickness direction of the buffer layer (61).

6. The passive ankle pump exercise device of claim 1 wherein: the surface of the rotating plate (313) contacting with the sole of the patient is provided with a plurality of bulges for massaging the acupoints.