CN112006897A - Auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and using method - Google Patents

Abstract

The invention provides an auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and a using method thereof, belonging to the field of medical appliances. The invention can freely adjust the position according to the limit degree of extension and flexion of different ankles, has good applicability for patients, can automatically complete the extension and flexion of the ankles, realizes unattended operation and greatly saves the time and energy of medical care personnel.

Description

Auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and using method

Technical Field

The invention belongs to the field of medical instruments, relates to rehabilitation equipment, and particularly relates to an auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and a using method of the auxiliary ankle pump exerciser.

Background

When the patient lies in bed for a long time, the limb muscles are in a relaxed state, the lower limb deep venous blood flow is slowed down, the lower limb deep venous thrombosis is formed, the venous valve insufficiency and the pulmonary embolism are further caused, the life safety of the patient is seriously threatened, for the patient who can move independently but can not get out of the bed, the ankle joint is stretched and bent forwards and backwards with force, the calf muscle is pulled to be retracted, the flowing speed of the lower limb venous blood is accelerated by utilizing the action of the calf muscle pump, and the good effect of preventing the lower limb deep venous thrombosis can be achieved.

For patients with lower limb mobility, the ankle joint can actively stretch and bend forwards and backwards, so as to prevent thrombosis; for the patient who can not move actively, the medical staff needs to manually pull the tiptoe of the patient to complete the action; since the patient needs to perform ankle stretching and bending for a plurality of times at regular time (every day) to achieve the thrombus prevention effect, the medical care personnel can consume larger physical strength and energy.

Disclosure of Invention

The invention aims to provide an auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and a using method thereof, which can freely adjust positions according to different ankle stretching and bending limit degrees, have good applicability for patients, automatically complete ankle stretching and bending actions, realize unattended operation and greatly save time and energy of medical care personnel.

In order to solve the technical problems, the invention adopts the technical scheme that: the auxiliary ankle pump exerciser for preventing venous thrombosis of the lower limbs comprises a leg fixing component, a foot supporting component, a stretching component and a foot fixing component, wherein the leg fixing component is fixedly connected with the foot supporting component and is vertically arranged, the leg fixing component is arranged at one end of the foot fixing component, the foot supporting component is arranged on one side of the foot fixing component, and the foot supporting component drives the foot fixing component to swing up and down relative to the leg fixing component.

Further, the shank fixing component comprises a shank base plate and a shank supporting plate, the shank base plate and the shank supporting plate are fixed through a bolt and nut component, the shank supporting plate is in a semi-arc shape, the opening of the shank supporting plate faces towards the foot fixing component, first elastic band mounting holes are formed in the two sides of the shank supporting plate and used for penetrating through elastic bands of the legging, and the shank base plate is fixedly connected with the foot supporting component through a foot connecting plate.

Further, be equipped with the rectangular hole of vertical setting on the shank base plate, bolt and nut subassembly pass behind the rectangular hole with shank backup pad fixed connection, the quantity of bolt and nut subassembly is two at least, the shank base plate is L shape and the lower extreme extends the setting to the one side of keeping away from the fixed subassembly of foot.

Furthermore, the first elastic band mounting holes on two sides are symmetrically arranged, the number of the first elastic band mounting holes on each side is three, the first elastic band mounting holes are uniformly distributed on the leg supporting plates, and the cross section of each first elastic band mounting hole is of a quadrilateral structure.

Furthermore, the foot supporting component comprises a supporting base plate, a positioning rod, a fastening bolt and a motor, one side of the supporting base plate is connected with the leg fixing component, the lower end of the supporting base plate is hinged to the foot fixing component, the positioning rod is fixedly arranged with the supporting base plate through the fastening bolt, the motor is fixedly locked at the upper end of the positioning rod, and an output shaft of the motor penetrates through the positioning rod to drive the stretching and bending component to rotate.

Furthermore, the stretching and bending component comprises a crank disc and a bending connecting rod, the upper end of the bending connecting rod is eccentrically hinged to the crank disc, and the lower end of the bending connecting rod is hinged to the foot fixing component and is different from the hinged position of the foot fixing component and the foot supporting component.

Furthermore, the upper end of the bent connecting rod is connected with the crank disc through a T-shaped bolt and a fastening nut, the T-shaped bolt penetrates through the crank disc and then is matched with the fastening nut, the T-shaped bolt is fixedly connected with the upper end of the bent connecting rod, and a long circular groove for adjustment is formed in the position, matched with the T-shaped bolt, of the crank disc.

Furthermore, be equipped with spout and guide way on the supporting substrate, the locating lever includes location head and location tail-bar, the location tail-bar inlays to be established just fix a position through tightly deciding the bolt in the guide way, the location tail-bar slides from top to bottom in the guide way and sets up, the location head is established in sliding and upper and lower sliding connection.

Furthermore, the foot fixing component comprises a swinging plate and two pin shafts, the pin shafts are arranged on one side, close to the foot supporting component, of the swinging plate, one of the pin shafts is hinged to the foot supporting component and arranged on one side, close to the leg fixing component, the other pin shaft is hinged to the lower end of the stretching component, and second elastic band mounting holes are symmetrically formed in two sides of the swinging plate.

The method for using the auxiliary ankle pump exerciser for preventing the venous thrombosis of the lower limb is carried out according to the following steps,

step 1: binding the leg supporting plate on the lower leg of the patient, adjusting the position of the leg supporting plate in the long groove on the leg base plate to ensure that the sole of the patient contacts the upper surface of the swinging plate, and then screwing the bolt and nut assembly to lock the leg supporting plate at the current position;

step 2: binding the feet of the patient on the swinging plate;

and step 3: the foot of the patient is bent forwards, the positioning rod slides on the supporting base plate along with the movement of the foot, and after the foot of the patient reaches the extreme position, the positioning rod is locked at the current position by tightening the fastening bolt;

and 4, step 4: the foot of the patient extends to the back, the bent connecting rod slides in the long circular groove of the crank disc along with the movement of the foot, and after the foot of the patient reaches the extreme position, the fixing nut is screwed down to lock the bent connecting rod at the current position;

and 5: the motor is started to drive the foot of the patient to reciprocate back and forth, so as to realize the ankle stretching and bending training.

Step 6: after training, the motor is turned off, and the leg support plate is detached.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The invention can freely adjust the position according to the limit degree of extension and flexion of different ankles, has good applicability for patients, can automatically complete the extension and flexion of the ankles, realizes unattended operation and greatly saves the time and energy of medical care personnel;

2. the leg base plate is provided with the elongated hole in the vertical direction, so that the up-and-down movement of the leg supporting plate is realized, the leg fixing of different patients is met, meanwhile, the supporting base plate is provided with the sliding groove and the guide groove, the adjustment of the up-and-down position of the motor is realized, the adjustment of the swing amplitude of different patients is met, further, the crank disc is provided with the long circular groove matched with the T-shaped bolt, the adjustment of the hinge position of the bent connecting rod is realized, the swing amplitude of the swing plate is further adjusted, the combination of the three structures is a progressive relation, the three structures are combined to realize the rehabilitation requirements of different patients, and the number of applicable people is greatly;

3. the novel medical nursing bed has the advantages of simple and compact structure, ingenious design, strong clinical applicability, convenience in installation and adjustment, guarantee of a light structure, improvement of the recovery performance on the premise of not increasing excessive burden on a patient, convenience in carrying and capability of being used in different occasions.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the structure of an auxiliary ankle pump exerciser for preventing venous thrombosis in the lower limbs according to the present invention;

FIG. 2 is a schematic configuration diagram illustrating a state of use of the ankle pump exerciser for assisting in prevention of venous thrombosis in the lower limbs according to the present invention;

FIG. 3 is a front view of the leg attachment assembly of the present invention;

FIG. 4 is a rear perspective view of the leg attachment assembly of the present invention;

FIG. 5 is a front elevational schematic view of the foot support assembly of the present invention;

FIG. 6 is an exploded view of the foot support assembly of the present invention;

FIG. 7 is a front cross-sectional view of the foot support assembly of the present invention;

FIG. 8 is a schematic view of the positioning head and positioning tail rod of the present invention;

FIG. 9 is a schematic structural view of the foot flexion and extension assembly of the present invention;

FIG. 10 is a schematic view of the T-bolt and oblong slot configuration of the present invention;

FIG. 11 is a schematic view of the foot fixing assembly of the present invention;

FIG. 12 is a schematic diagram illustrating ankle flexion in the ankle pump exerciser for assisting venous thrombosis of the lower limb and the method of use according to the present invention;

fig. 13 is a schematic view of ankle retroflexion in the ankle pump exerciser for assisting prevention of venous thrombosis in the lower limb and the use method according to the present invention.

Reference numerals:

1. a leg securing assembly; 11. a leg substrate; 111. a foot connecting plate; 12. a leg support plate; 121. a first elastic band mounting hole; 13. a bolt and nut assembly; 131. a long groove; 2. a foot support assembly; 21. supporting a substrate; 211. a chute; 212. a guide groove; 213. tightly fixing the threaded hole; 22. positioning a rod; 221. positioning the head; 222. positioning the tail rod; 23. tightening the bolt; 24. a motor; 3. an extension and flexion component; 31. a crank disk; 32. a T-bolt; 321. a long circular groove; 33. tightening the nut; 34. a curved connecting rod; 4. a foot securing assembly; 41. a swing plate; 42. a pin shaft; 43. a second elastic band mounting hole; 10. a foot portion; 20. and (4) a leg part.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 to 13, the invention relates to an auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and a using method thereof, which comprises four parts, namely a leg fixing component 1, a foot supporting component 2, an extending and bending component 3 and a foot fixing component 4, wherein the whole device adopts the principle of a four-bar mechanism, converts the rotary motion of a motor 24 into the reciprocating motion of a swinging plate 41, and drives the feet of a patient to move in a specific range;

as shown in fig. 1 and 2, in use, the elastic bands with hook and loop fasteners are inserted through the first elastic band mounting holes 121 of the leg support plate 12 and the second elastic band mounting holes 43 of the swing plate 41, respectively, to bind the lower leg and the foot of the patient.

The leg fixing assembly 1 shown in fig. 3 and 4 is composed of a leg base plate 11, a leg support plate 12 and a bolt and nut assembly 13;

the leg support plate 12 can slide along the long groove on the leg base plate 11; after the position of the leg support plate 12 on the lower leg of the patient is determined, the leg support plate 12 is fixed by tightening the bolt and nut assembly 13;

the leg base plate 11 is fixedly connected, preferably hinged, to the support base plate 21 via a foot connecting plate 111;

the foot support assembly 2 shown in fig. 5-8 is composed of a support base plate 21, a positioning rod 22, a fastening bolt 23 and a motor 24;

the positioning rod 22 is formed by fixedly connecting a positioning head 221 and a positioning tail rod 222, and is preferably welded;

the inner hole of the positioning head 221 is connected with the motor 24 through a rolling bearing;

the positioning head 221 is installed in the sliding groove 211 of the supporting base plate 21, the positioning tail rod 222 is installed in the guide groove 212 of the supporting base plate 21, the positioning rod 22 can slide in the space formed by the sliding groove 211 and the guide groove 212, the position of the motor 24 is adjusted according to the forward plantar flexion amplitude of the ankle of different patients, the position of the motor 24 is different, the swing amplitude is different, and the device is suitable for different patients;

the positioning tail rod 222 is fixed in the guide groove 212 by the matching of the fastening bolt 23 and the fastening threaded hole 213 of the support base plate 21, so that the position of the motor 24 is fixed, the position of the motor is unchanged for a fixed patient, and the stability of the joint structure in the operation process is ensured;

the extensor/flexor assembly 3 shown in fig. 9 and 10, consists of a crank disc 31, a T-shaped bolt 32, a fastening nut 33 and a bending connecting rod 34; the crank disc 31 is fixedly connected with the motor 24, preferably in interference fit with a hole shaft; the crank disc 31 is provided with a radial long circular groove 321; the T-shaped end of the T-shaped bolt 32 can slide in the long circular groove, and the other end is in rotary connection with the bent connecting rod 34, preferably a rolling bearing; a fastening nut 33 is arranged between the crank disc 31 and the bending connecting rod 34, is connected with the T-shaped bolt 32 through threads, and is screwed on the crank disc 31 after the position of the T-shaped bolt 32 fastened in the long circular groove 321 of the crank disc 31 is determined;

the foot fixing component 4 shown in fig. 11 is composed of a swinging plate 41 and a pin shaft 42; one ends of the two pin shafts 42 are fixedly connected to the swinging plate 41 through threads, and the other ends of the two pin shafts are respectively in clearance fit with the tail end holes of the support base plate 21 and the bent connecting rod 34 to form a rotation pair; the swinging plate 41 is provided with elastic band mounting holes, and the swinging feet can be bound on the swinging plate 41 after the elastic band of the adhesive tape passes through the elastic band not shown;

as shown in fig. 12 and 13, an auxiliary ankle pump exerciser for preventing venous thrombosis of lower limbs and a using method thereof are used, wherein the working process is as follows:

step 1: binding the leg support plate 12 to the lower leg of the patient and adjusting the position of the leg support plate in the elongated slot 131 of the leg base plate 11 so that the sole of the foot of the patient contacts the upper surface of the swing plate 41, and then tightening the bolt and nut assembly 13 to lock the leg support plate 12 in the current position;

step 2: binding the patient's foot to the swing plate 41;

and step 3: the foot of the patient is bent forwards, the positioning rod 22 slides on the supporting base plate 21 along with the movement of the foot, and after the foot of the patient reaches the extreme position, the positioning rod 22 is locked at the current position by screwing the fastening bolt 23;

and 4, step 4: the foot of the patient extends backwards, the bent connecting rod 34 slides in the long circular groove of the crank disc 31 along with the movement of the foot, and after the foot of the patient reaches the extreme position, the bent connecting rod 34 is locked at the current position by tightening the set nut 33;

and 5: the motor 24 is started to drive the foot of the patient to reciprocate back and forth, so as to realize ankle stretching and bending training.

Step 6: after training is complete, the motor 24 is turned off and the leg support plate 12 is removed.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. Prevention lower limbs venous thrombosis's supplementary ankle pump exerciser, its characterized in that: the leg fixing component is fixedly connected with the foot supporting component and is vertically arranged, the leg fixing component is arranged at one end of the foot fixing component, the foot supporting component is arranged on one side of the foot fixing component, and the foot supporting component drives the foot fixing component to swing up and down relative to the leg fixing component through the stretching and bending component.

2. The ankle pump exerciser for assisting in preventing venous thrombosis of a lower limb according to claim 1, wherein: the fixed subassembly of shank includes shank base plate and shank backup pad and the two is fixed through bolt and nut subassembly, the shank backup pad is half-circular arc and opening orientation the fixed subassembly of foot sets up, the both sides of shank backup pad are equipped with first elastic cord mounting hole for wear to establish the elastic cord of legging, the shank base plate passes through foot connecting plate and foot supporting component fixed connection.

3. The ankle pump exerciser for assisting in preventing venous thrombosis of a lower limb according to claim 2, wherein: the shank base plate is provided with a vertically-arranged strip hole, the bolt and nut assemblies penetrate through the strip hole and are fixedly connected with the shank supporting plate, the number of the bolt and nut assemblies is at least two, and the shank base plate is L-shaped and extends to one side far away from the foot fixing assembly at the lower end.

4. The ankle pump exerciser for assisting in preventing venous thrombosis of a lower limb according to claim 2, wherein: the first elastic band mounting holes on two sides are symmetrically arranged, the number of the first elastic band mounting holes on each side is three, and the first elastic band mounting holes are uniformly distributed on the leg supporting plates, and the cross section of each first elastic band mounting hole is of a quadrilateral structure.

5. The ankle pump exerciser for assisting in preventing venous thrombosis of a lower limb according to claim 1, wherein: the foot supporting assembly comprises a supporting base plate, a positioning rod, a fastening bolt and a motor, one side of the supporting base plate is connected with the leg fixing assembly, the lower end of the supporting base plate is hinged with the foot fixing assembly, the positioning rod is fixedly arranged with the supporting base plate through the fastening bolt, the motor is fixedly locked at the upper end of the positioning rod, and an output shaft of the motor penetrates through the positioning rod to drive the stretching and bending assembly to rotate.

6. The ankle pump exerciser for assisting prevention of venous thrombosis of the lower limbs as claimed in claim 5, wherein: the stretching and bending component comprises a crank disc and a bending connecting rod, the upper end of the bending connecting rod is eccentrically hinged on the crank disc, and the lower end of the bending connecting rod is hinged with the foot fixing component and is different from the hinged position of the foot fixing component and the foot supporting component.

7. The ankle pump exerciser for assisting prevention of venous thrombosis of the lower limbs as claimed in claim 6, wherein: the upper end of the bent connecting rod is connected with the crank disc through a T-shaped bolt and a fastening nut, the T-shaped bolt penetrates through the crank disc and then is matched with the fastening nut, the T-shaped bolt is fixedly connected with the upper end of the bent connecting rod, and a long circular groove for adjustment is formed in the position, matched with the T-shaped bolt, of the crank disc.

8. The ankle pump exerciser for assisting prevention of venous thrombosis of the lower limbs as claimed in claim 5, wherein: the positioning rod comprises a positioning head and a positioning tail rod, the positioning tail rod is embedded in the guide groove and is positioned through a fastening bolt, the positioning tail rod is arranged in the guide groove in a sliding mode from top to bottom, and the positioning head is arranged in the sliding mode and is connected in a sliding mode from top to bottom.

9. The ankle pump exerciser for assisting in preventing venous thrombosis of a lower limb according to claim 1, wherein: the foot fixing component comprises a swinging plate and two pin shafts, the pin shafts are arranged on one side, close to the foot supporting component, of the swinging plate, one of the pin shafts is hinged to the foot supporting component and arranged on one side, close to the leg fixing component, the other pin shaft is hinged to the lower end of the stretching component, and second elastic band mounting holes are symmetrically formed in two sides of the swinging plate.

10. A method of using the ankle pump exerciser for prevention of venous thrombosis in the lower limbs of any of claims 1 to 9, wherein: the method comprises the following steps of (1),

step 1: binding the leg supporting plate on the lower leg of the patient, adjusting the position of the leg supporting plate in the long groove on the leg base plate to ensure that the sole of the patient contacts the upper surface of the swinging plate, and then screwing the bolt and nut assembly to lock the leg supporting plate at the current position;

step 2: binding the feet of the patient on the swinging plate;

and step 3: the foot of the patient is bent forwards, the positioning rod slides on the supporting base plate along with the movement of the foot, and after the foot of the patient reaches the extreme position, the positioning rod is locked at the current position by tightening the fastening bolt;

and 4, step 4: the foot of the patient extends to the back, the bent connecting rod slides in the long circular groove of the crank disc along with the movement of the foot, and after the foot of the patient reaches the extreme position, the fixing nut is screwed down to lock the bent connecting rod at the current position;

and 5: the motor is started to drive the foot of the patient to reciprocate back and forth, so as to realize the ankle stretching and bending training.

Step 6: after training, the motor is turned off, and the leg support plate is detached.

Images