CN211560954U - Finger folding restraining and protecting device for wrist stirring action training during hand pronation - Google Patents

Abstract

The utility model relates to a finger that wrist stirring action training used when hand is hanging down gathers together restraint protection device, the device's arm backup pad articulates the last port at cylindric support, can fix and support patient's forearm, let patient's hand hang down to the inner of backup pad, the restraint gloves below the backup pad inner are used for wearing patient's hand and carry out the restraint, then draw the finger downwards and draw the hand to stir through the haulage rope of restraint gloves lower extreme, the haulage rope can also tighten up the finger cover simultaneously and play the effect of tightening up and gathering up the finger, the tying up rope can tie up the glove mouth of restraint gloves on the wrist, restraint gloves are drawn and are led to become flexible on hand and even drop when avoiding training; the utility model discloses can effectually retrain patient's hand, the rehabilitation training is effectual, has improved patient's recovered process.

Description

Finger folding restraining and protecting device for wrist stirring action training during hand pronation

Technical Field

The utility model relates to a limbs rehabilitation instrument technical field especially relates to a finger that wrist stirring action training used when hand is bent over is closed up restraint protection device.

Background

Stroke disease, called cerebrovascular disease in modern medicine, is a common disease and frequently encountered disease of the nervous system, has high mortality rate which accounts for about 10 percent of all deaths of diseases, and is one of three diseases seriously harming human health at present; with the improvement of modern medicine on the diagnosis and rescue level of apoplexy, the mortality of stroke patients is greatly reduced at present, but the disability rate is obviously increased, and about 75 percent of stroke patients can leave sequelae with different degrees, such as hemiplegia, language disorder, limb pain and the like, in the later period of disease, and the incidence rate of hemiplegia is the highest.

In the rehabilitation of hemiplegia, the rehabilitation of the hand function is the most difficult, and the hand of the patient often forms a bent and bent half-fist posture due to muscle spasm in the later stage, so the life and the work of the patient are seriously influenced, and the rehabilitation of the hand function is always the problem which needs to be solved by the patient most and is also the problem which is difficult to be solved by the patient with stroke; at present, although a lot of auxiliary training appliances for limb dysfunction of a patient with stroke sequelae are available in the market of China, the rehabilitation training device for hands is still in the research and development stage, the hands of the patient basically hold a rigid mechanical link mechanism, and the fingers and wrists of the patient are moved by the rotation or movement of the link mechanism so as to recover the muscle function of the hands;

however, since the hand of the patient is in a spastic state with a bent and prolapsed top, and the patient lacks an autonomous holding force, the user is difficult to autonomously hold and tighten the handle of the link mechanism for continuous training, and the training can be completed with the help of the rehabilitation personnel, so that the rehabilitation training process of the patient is slow, and the effect is not good, and therefore, the trainer which can effectively restrain the spastic hand from swinging and has a high automation degree is needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a finger that wrist stirring action training used when the hand is pitched down is closed up restraint protection device.

The technical scheme of the utility model is that: the utility model provides a finger that wrist stirring action training used when hand is pitched and is closed up restraint protection device which characterized in that: the device comprises a cylindrical support, a hand constraint traction mechanism arranged in the cylindrical support and an arm support plate arranged at the edge of an upper port of the cylindrical support;

the outer side surface of the cylindrical support is vertically provided with a square reinforcing plate, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, two symmetrical transverse shafts are arranged on two sides in the middle of the arm supporting plate, and the two transverse shafts are inserted into the hinge lugs in a matching mode to hinge the arm supporting plate and the reinforcing plate;

the hand restraint traction mechanism comprises restraint gloves and a traction rope connected with the restraint gloves, the restraint gloves are vertically placed in the middle of the inside of the cylindrical support, the upper ends of the restraint gloves are close to the inner ends of the upper arm support plates, and the top ends of the finger sleeves of the restraint gloves are provided with threading nails; one end of the traction rope is provided with a threading ring, the threading ring is positioned at the lower end of the constraint glove, and the other end of the traction rope sequentially passes through the five threading sheaths and penetrates out of the threading ring at the lower end;

and a circle of threading sleeves B are arranged on the outer sides of the glove openings of the restraining gloves, and a binding rope for tightening the glove openings penetrates into each threading sleeve B.

Preferably, the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with a limiting plate, and the upper end surface of the limiting plate is coplanar with the horizontal lower surface of the hinged arm supporting plate.

Preferably, the width of the arm supporting plate is matched with the distance between the two hinge lugs, and a supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs.

Preferably, an arm fixing device is arranged on the arm supporting plate.

Preferably, the arm fixing device comprises two pairs of square holes and two binding bands, wherein the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the two symmetrical square holes to form a tightening structure.

Preferably, the end part of the traction rope penetrating through the threading ring is connected with a tension spring, and the outer end of the tension spring is provided with a hook.

The utility model has the beneficial technical effects that: the utility model discloses an arm backup pad articulates the last port at cylindric support, can fix and support patient's forearm, let patient's hand hang down to the inner of backup pad, restraint gloves of backup pad inner below is used for wearing patient's hand and retrains, then through the haulage rope of restraint gloves lower extreme come the tensile finger of stretching downwards and pull the hand and stir the action, the haulage rope can also tighten up the finger cover simultaneously and play the effect of tightening up and closing up the finger, the extension spring of haulage rope tip is used for making the haulage rope have certain elastic space, guarantee the traction effect to restraint gloves, the tying rope can tie up the glove mouth of restraint gloves on the wrist tightly, restraint gloves are drawn and are leaded to become flexible on hand or even drop when avoiding training;

the utility model discloses can effectually retrain patient's hand, the rehabilitation training is effectual, has improved patient's recovered process.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the utility model with one side of the cylinder wall cut away;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic perspective view of the hand restraint traction mechanism of the present invention;

FIG. 4 is an enlarged view at A of FIG. 3;

FIG. 5 is an enlarged view at B of FIG. 3;

fig. 6 is a schematic perspective view of the traction device of the present invention after the cylindrical support is removed;

FIG. 7 is a schematic view showing the connection relationship between the T-bolt, the rotatable hook device and the manual nut of the present invention;

FIG. 8 is a schematic cross-sectional view of the traction device of the present invention;

fig. 9 is a partial enlarged view of fig. 8;

FIG. 10 is a schematic cross-sectional view of FIG. 8;

fig. 11 is a schematic perspective view of the cylindrical support of the present invention;

FIG. 12 is a schematic view of the arm support plate of the present invention;

FIG. 13 is a schematic view showing the state of the arm support plate and the hinge support rod according to the present invention;

fig. 14 is a second view showing the state of the arm support plate and the hinge support rod according to the present invention;

fig. 15 is a partially enlarged view of fig. 14.

In the figure, 1, a hand stirring action restraining device, 11, a hand restraining traction mechanism, 111, restraining gloves, 1111, a threading sheath A, 1112, a threading sheath B, 112, a traction rope, 1121, a threading ring, 1122, a tension spring, 1123, a hook, 12, an arm supporting plate, 121, a transverse shaft, 122, a square hole, 123, a binding band, 13, a binding rope, 2, a traction device, 21, a motor base, 211, a disc-shaped bottom plate, 212, a sliding supporting block, 2121, a square sliding groove, 2122, a threaded hole, 213, a positioning bolt, 22, a driving motor, 221, a motor shaft, 23, a rotating disc, 231, a T-shaped groove, 24, a T-shaped bolt, 241, a square block, 25, a rotatable hook device, 251, a spherical seat, 2511, a cylindrical cavity, 2512, a through hole, 2513, a round angle, 252, a rotating hook, 2521, a hook body, 2522, a vertical rod, 2523, 26, a manual nut, 3 and a cylindrical reinforcing plate, 311. Hinge lug, 312 supporting inclined plane, 32 square

The device comprises a slide rail, 33 parts of a limiting plate, 41 parts of an upper hinged support plate, 42 parts of a lower hinged support plate, 43 parts of a locking baffle plate and 44 parts of an arc-shaped rotating surface.

Detailed Description

First embodiment, refer to the attached drawings (1, 3-5, 11-15) of the specification, and the fingers of a wrist stirring motion training device used for training when a hand is held down are gathered together and restrained, and the device is characterized in that: the device comprises a cylindrical support, a hand constraint traction mechanism arranged in the cylindrical support and an arm support plate arranged at the edge of an upper port of the cylindrical support;

the outer side surface of the cylindrical support is vertically provided with a square reinforcing plate, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, two symmetrical transverse shafts are arranged on two sides in the middle of the arm supporting plate, and the two transverse shafts are inserted into the hinge lugs in a matching mode to hinge the arm supporting plate and the reinforcing plate;

the hand restraint traction mechanism comprises restraint gloves and a traction rope connected with the restraint gloves, the restraint gloves are vertically placed in the middle of the inside of the cylindrical support, the upper ends of the restraint gloves are close to the inner ends of the upper arm support plates, and the top ends of the finger sleeves of the restraint gloves are provided with threading nails; one end of the traction rope is provided with a threading ring, the threading ring is positioned at the lower end of the constraint glove, and the other end of the traction rope sequentially passes through the five threading sheaths and penetrates out of the threading ring at the lower end;

a circle of threading sleeves B are arranged on the outer sides of glove openings of the restraining gloves, and a binding rope for tightening the glove openings is penetrated into each threading sleeve B; the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with limiting plates, and the upper end surfaces of the limiting plates and the lower surfaces of the hinged arm supporting plates in a horizontal state are coplanar; the width of the arm supporting plate is matched with the distance between the two hinge lugs, and a supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs; an arm fixing device is arranged on the arm supporting plate; the arm fixing device comprises two pairs of square holes and two binding bands, wherein the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the two symmetrical square holes to form a tightening structure; the end part of the traction rope penetrating through the threading ring is connected with a tension spring, and the outer end of the tension spring is provided with a hook.

The fingers for the wrist whisking exercise when the hand is held down will now be described with reference to Figs. 1-15

The function and the function of the restraint protection device in the wrist stirring action trainer are combined.

FIGS. 1-15 illustrate a mixing motion trainer in a wrist-prone position, the trainer including a hand mixing motion restraint, a traction device, and a tubular support;

a square reinforcing plate is vertically arranged on the outer side surface of the cylindrical support, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, and four vertical square slide rails are uniformly distributed on the inner side surface of the lower part of the cylindrical support;

the hand stirring action restraint device comprises a hand restraint traction mechanism arranged at the upper end inside the cylindrical support and an arm support plate arranged at the edge of the upper port of the cylindrical support, wherein two symmetrical transverse shafts are arranged at two sides in the middle of the arm support plate and are inserted into the two hinge lugs in a matching manner to hinge the arm support plate and the reinforcing plate; the hand restraint traction mechanism comprises a restraint glove and a traction rope connected with the restraint glove, the restraint glove is vertically placed in the middle inside the cylindrical support, when the rehabilitation training of the stirring action is carried out, the inner cylinder wall of the cylindrical support can limit and protect the hand of a patient, the upper end of the restraint glove is close to the inner end of the upper arm support plate, after the forearm of the patient is fixed on the arm support plate, the hand can be sunken into the inner end of the support plate to correspond to the restraint glove, the top end of each finger sleeve of the restraint glove is provided with a threading collar, one end of the traction rope is provided with a threading ring which is positioned at the lower end of the restraint glove, the other end of the traction rope sequentially passes through the five threading collars and penetrates out from the threading rings at the lower end, therefore, when the traction rope end penetrating out of the threading rings is pulled to carry out the stirring action, not only the fingers can be stretched downwards, but also the, the end part of the traction rope penetrating through the threading ring is connected with a tension spring, and the outer end of the tension spring is provided with a hook; a circle of threading sleeves B are arranged on the outer sides of glove openings of the restraining gloves, a binding rope used for tightening the glove openings penetrates into each threading sleeve B, when the traction ropes draw the restraining gloves to rotate and stir, downward tension can be generated on the restraining gloves, the binding ropes tightly bind the glove openings of the restraining gloves on wrists, and the restraining gloves are prevented from falling off the hands due to being pulled during training;

the traction device comprises a motor base, a driving motor vertically fixed in the center of the motor base and a turntable coaxially fixed on a motor shaft;

the motor base is installed at the inside lower extreme of cylindric support, this motor base includes four sliding support blocks of the bottom surface border equipartition of disc bottom plate and circular bottom plate, the diameter of disc bottom plate and the internal diameter phase-match of cylindric support, sliding support block's lateral surface and the side coplane of circular bottom plate, it has the square spout that matches with above-mentioned square slide rail to open on sliding support block and the coplane side of circular bottom plate, square spout and square slide rail are connected with motor base sliding connection in the cylindric support, consequently can adjust the height of draw gear in the cylindric support through sliding from top to bottom, with the different height of hanging down of the hand that adapts to different patients, open threaded hole in the centre of square spout, this threaded hole has inserted positioning bolt, has adjusted and has fixed through positioning bolt after high.

The upper surface of the rotary disc is provided with a stirring amplitude adjusting mechanism, the stirring amplitude adjusting mechanism comprises a T-shaped groove which is formed in the center of the upper surface of the rotary disc outwards along the radial direction and penetrates through the side surface of the rotary disc, a T-shaped bolt arranged in the T-shaped groove, the upper end of the T-shaped bolt is provided with a rotatable hook device which is hooked with a hook at the outer end of the tension spring, therefore, a driving motor drives the rotary disc to rotate so as to pull the restraint glove above to perform stirring action, the height of the traction device can be changed to adjust the swing amplitude of the restraint glove, a square block at the lower end of the T-shaped bolt is matched and arranged in the T-shaped groove to form a sliding pair, the T-shaped screw rod moves in the T-shaped groove along the radial direction so as to adjust the rotary stirring amplitude of the restraint glove above, when the T-shaped screw, the traction effect on the constraint gloves is ensured; the T-shaped bolt upwards passes through the notch of the T-shaped groove, and a hand-screwed nut used for locking the T-shaped bolt is installed on a screw rod of the T-shaped bolt.

The inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with limiting plates, the upper end surfaces of the limiting plates are coplanar with the lower surface in a hinged horizontal state, and the limiting plates provide horizontal support for the inner ends of the arm supporting plates and prevent the inner ends of the arm supporting plates from inclining into the cylindrical support;

the width of the arm supporting plate is matched with the distance between the two hinge lugs, the supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs, and when the rehabilitation training is carried out on the hand of a patient, the inner end of the arm supporting plate can be inclined upwards, so that the glove can be conveniently worn by the patient.

The arm supporting plate is provided with an arm fixing assembly, the arm fixing assembly comprises two pairs of square holes and two binding bands, the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the square holes in the two sides to form a tightening structure.

The rotatable hook device comprises a spherical seat and a rotatable hook which are connected with the upper end of the T-shaped bolt, the bottom surface of the spherical seat is upwards provided with a cylindrical cavity, the lower section of the cylindrical cavity is fixedly sleeved at the upper end of the T-shaped bolt, and the top end of the spherical seat is provided with a through hole communicated with the cylindrical cavity; rotatory couple includes the hook body that middle montant, montant upper end are connected, the ball that the montant lower extreme is connected, the ball matches installs in the upper segment of cylindricality chamber, and the ball can be at the cavity internal rotation that forms between the upper end of the upper segment in cylindricality chamber and T shape bolt, and the montant upwards passes the through-hole of spherical seat, the hook body with the couple of extension spring outer end articulates, and rotatory couple can be 360 degrees rotations in spherical seat, and when the carousel rotated the pulling haulage rope and rotates, rotatory couple and haulage rope can rotate with spherical seat relatively, avoid the haulage rope to be twisted strength and lead to restraint gloves stop swinging.

The montant of rotatory couple is the cylindricality pole, and the last port department and the lower port department of through-hole all are equipped with the fillet, and the diameter of montant is less than the diameter of through-hole, and the circumference rotation can be done along the through-hole port to the montant of rotatory couple during operation, and the diameter of ball is greater than the diameter of through-hole slippage when preventing to rotate.

The diameter of the rotating disc is smaller than the inner diameter of the cylindrical support, and the height of the cylindrical support is larger than twice of the height of the motor support after the motor support is connected with the motor.

The lower end face of the outer end of the arm supporting plate is hinged with an upper hinged supporting rod, a locking baffle extending out of the lower end face of the hinged supporting rod is fixed on the outer side face of the lower end of the hinged supporting rod, a lower hinged supporting rod is arranged at the upper end of a square reinforcing plate, the upper end of the lower hinged supporting rod is hinged with the lower end of the upper hinged supporting rod, the outer sides of the corresponding end faces of the upper hinged supporting rod and the lower cross-connecting supporting rod are respectively provided with an arc rotating face, the positions of the limiting baffle and the outer side face of the upper end of the lower hinged supporting rod correspond, when the arm supporting plate is trained by a patient to be in a horizontal state, the locking baffle is supported on the outer side face of the lower cross-; when the patient finishes training and needs to take the hand down from the arm supporting plate, the hinged parts of the two hinged supporting rods can be pushed outwards, the two hinged supporting rods rotate outwards, the arm supporting plate inclines downwards, and the patient can operate conveniently.

The utility model discloses a working process does:

a. moving the forearm of the patient to place on the arm supporting plate, enabling the hand to be suspended in the cylindrical support at the inner end of the arm supporting plate, then unfolding the fingers of the patient to wear the hand into the restraint glove below, tightening the binding rope outside the glove opening for binding, fixing the glove opening to the wrist of the patient, preventing the restraint glove from falling off from the hand of the patient, and finally binding the binding belts at the two ends of the arm supporting plate to the forearm of the patient for fixing;

b. the driving motor of the traction device is started to drive the turntable to rotate, the rotating hook of the hook device at the upper end of the T-shaped screw on the upper surface of the turntable can pull the lower end of the traction rope to do circular motion, and the upper end of the traction rope is connected with the lower end of a constraint glove worn on a hand, so that the traction rope can pull the constraint glove to do continuous stirring motion along a conical surface by taking a wrist as a center, and the hand of a patient is subjected to rehabilitation training;

c. because the ball at the lower end of the rotating hook and the cylindrical cavity in the spherical seat fixed at the upper end of the T-shaped screw are spherical pairs, the rotating hook can rotate in the spherical seat for 360 degrees, when the rotating hook is linked by the turntable to pull the traction rope to move, the traction rope can rotate relative to the T-shaped screw, and the twisting phenomenon is avoided;

d. the T-shaped screw is arranged in the T-shaped groove on the rotary table, and the T-shaped screw moves in the T-shaped groove along the radial direction to adjust the circumferential motion of the T-shaped screw, so that the rotary stirring amplitude of the upper constraint glove is adjusted; when the T-shaped screw rod is adjusted, the spring at the lower end of the traction rope can stretch out and draw back along with the T-shaped screw rod, the traction rope is always kept in a tensioning state, and the traction effect on the restraint glove is guaranteed.

Claims (6)

1. The utility model provides a finger that wrist stirring action training used when hand is pitched and is closed up restraint protection device which characterized in that: the device comprises a cylindrical support, a hand constraint traction mechanism arranged in the cylindrical support and an arm support plate arranged at the edge of an upper port of the cylindrical support;

the outer side surface of the cylindrical support is vertically provided with a square reinforcing plate, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, two symmetrical transverse shafts are arranged on two sides in the middle of the arm supporting plate, and the two transverse shafts are inserted into the hinge lugs in a matching mode to hinge the arm supporting plate and the reinforcing plate;

the hand restraint traction mechanism comprises restraint gloves and a traction rope connected with the restraint gloves, the restraint gloves are vertically placed in the middle of the inside of the cylindrical support, the upper ends of the restraint gloves are close to the inner ends of the upper arm support plates, and the top ends of the finger sleeves of the restraint gloves are provided with threading nails; one end of the traction rope is provided with a threading ring, the threading ring is positioned at the lower end of the constraint glove, and the other end of the traction rope sequentially passes through the five threading sheaths and penetrates out of the threading ring at the lower end;

and a circle of threading sleeves B are arranged on the outer sides of the glove openings of the restraining gloves, and a binding rope for tightening the glove openings penetrates into each threading sleeve B.

2. The device for restraining and protecting the fingers of the user from being closed during the wrist stirring action training when the hand is prone according to claim 1, wherein: and the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with limiting plates, and the upper end surfaces of the limiting plates and the lower surface of the hinged arm supporting plate in a horizontal state are coplanar.

3. The device for restraining and protecting the fingers of the user from being closed during the wrist stirring action training when the hand is prone according to claim 2, wherein: the width of the arm supporting plate is matched with the distance between the two hinge lugs, and a supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs.

4. The device for restraining and protecting the fingers of the user from being closed during the wrist stirring action training when the hand is prone according to claim 3, wherein: and an arm fixing device is arranged on the arm supporting plate.

5. The device for restraining and protecting the fingers of the user from being closed during the wrist stirring action training when the hand is prone according to claim 4, wherein: the arm fixing device comprises two pairs of square holes and two binding bands, wherein the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the two symmetrical square holes to form a tightening structure.

6. The device for restraining and protecting the fingers of the user from being closed during the wrist stirring action training when the hand is prone according to claim 1, wherein: the end part of the traction rope penetrating through the threading ring is connected with a tension spring, and the outer end of the tension spring is provided with a hook.

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