CN112336583B - Wrist rotation function rehabilitation training device - Google Patents
Wrist rotation function rehabilitation training device Download PDFInfo
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- CN112336583B CN112336583B CN202011018660.4A CN202011018660A CN112336583B CN 112336583 B CN112336583 B CN 112336583B CN 202011018660 A CN202011018660 A CN 202011018660A CN 112336583 B CN112336583 B CN 112336583B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
- A61H1/0285—Hand
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1635—Hand or arm, e.g. handle
- A61H2201/1638—Holding means therefor
Abstract
The invention relates to a wrist rotation function rehabilitation trainer, wherein a cylindrical support of the trainer is rotatably connected to a base and can be fixed vertically and transversely, so that a hand can be trained in a depression state and a horizontal state, a lead screw and a roller of a traction device of the trainer form lead screw nut transmission, when a motor on the base drives the lead screw to rotate, the roller can not only move on a support plate along the circumference, but also move to the center of the support plate along the lead screw, so that the roller can drive a U-shaped support to move spirally inwards or outwards on the support plate, the roller can touch a contact switch when moving to the middle and the edge of the support plate, the forward and reverse rotation switching of the motor is realized, the reciprocating and alternating spiral motion of the inside and outside of the U-shaped support provides traction power for a conical sleeve, and the device can perform automatic rehabilitation training on the hand of a patient, the device does not need additional personnel for assistance, improves the training diversity, has good rehabilitation training effect, and can greatly accelerate the rehabilitation process.
Description
Technical Field
The invention relates to the technical field of limb rehabilitation instruments, in particular to a wrist pronating function rehabilitation training 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, the hand of a patient often forms a half-fist-making posture which is prone to depression and bending due to muscle spasm in the later stage, and the life and the work of the patient are seriously influenced, so the rehabilitation of the hand function is always the most needed problem of the patient and is also the most difficult problem of a stroke patient; 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.
Disclosure of Invention
In order to solve the above problems, the present invention provides a wrist rotation function rehabilitation training device.
The technical scheme of the invention is as follows: the utility model provides a wrist rotates function rehabilitation training device which characterized in that: the trainer comprises a cylindrical support arranged on a base, a hand pronation and rotation restraining device arranged in the cylindrical support and a traction device;
two vertical ear plates are symmetrically arranged on two sides of the base, an upper shaft hole A and a lower shaft hole B which are adjacent up and down are arranged in the middle of the upper part of each ear plate, two rotating supporting blocks are symmetrically arranged on the lower part of the outer side surface of the cylindrical support, a rotating shaft is arranged in the middle of the upper part of the outer side surface of each rotating supporting block, the rotating shaft is inserted into the shaft hole A in a matching manner, an arc-shaped groove with 90 degrees is arranged in the middle of the outer side surface of each rotating supporting block by taking the rotating shaft as the center, positioning blind holes which can correspond to the shaft holes B are formed in two ends of the arc-shaped groove, positioning shaft pin assemblies are arranged at positions, corresponding to the outer side surfaces of the vertical ear plates and the shaft holes B, and positioning shaft pins on the positioning shaft pin assemblies are inserted into the shaft holes B in a matching manner; a reinforcing plate is axially arranged on the outer side surface between the two rotating supporting blocks of the cylindrical support, two positioning bosses extending out of the upper end surface of the cylindrical support are symmetrically arranged on two sides of the upper end surface of the reinforcing plate, and a plurality of slide rails extending to the bottom surface of the cylindrical support are axially and uniformly distributed on the inner side surface of the cylindrical support;
the hand part bending-down restraining device comprises a supporting plate component transversely fixed at the upper end of the cylindrical support and a restraining traction component placed above the inner part of the cylindrical support, the supporting plate component comprises a fixed supporting plate and a movable supporting plate which are identical in shape and hinged between inner end faces through hinges, the middle part of the fixed supporting plate is fixedly connected with two positioning bosses, the inner end of the fixed supporting plate is close to the center of the cylindrical support, and a folding supporting rod capable of supporting the movable supporting plate and vertically fixing the fixed supporting plate is connected between the middle parts of the fixed supporting plate and the movable supporting plate;
the restraint traction assembly comprises a conical sleeve made of soft materials, a traction rope and a closing rope, wherein the traction rope is connected with the tip of the lower end of the conical sleeve, the conical sleeve is placed in the middle of the upper portion of the cylindrical support, the upper end of the conical sleeve is close to the inner end of the movable support plate, a sleeve opening of the conical sleeve is an inclined sleeve opening inclined towards the direction of the support plate assembly, a plurality of closing belts with threading sleeves at the upper ends are uniformly distributed on the sleeve opening, the closing rope sequentially penetrates through the threading sleeves on the closing belts, rope heads at two ends of the closing ropes are converged at one position, the lower end of the traction rope is connected with a tension spring, and a hook A is arranged at the other end of the tension spring;
the traction device comprises a circular disc-shaped seat and a supporting disk, wherein the disc-shaped seat and the supporting disk are same in diameter, a pitch range adjusting assembly is arranged on the supporting disk, a plurality of sliding supporting blocks with outer side surfaces and coplanar side surfaces of the disc-shaped seat are uniformly distributed on the side surfaces of the disc-shaped seat downwards, sliding chutes A with two ends penetrating through are arranged on the outer side surfaces of the sliding supporting blocks along the axial direction, the sliding chutes A are connected onto the sliding rails in a matched and sliding mode, penetrating threaded holes are formed in the middles of the sliding chutes A, positioning bolts are inserted into the threaded holes, a vertical motor is fixed at the center of the upper surface of the disc-shaped seat, the supporting disk is coaxially and fixedly connected to the upper portion of the motor through stepped shaft-shaped connecting pieces, a motor shaft penetrates through the connecting pieces and extends out of the center of the supporting disk, and a plurality of sliding chutes B are arranged on the side surfaces of the supporting disk and are in sliding connection with the sliding rails along the axial direction;
the pitching amplitude adjusting assembly comprises a lead screw, a U-shaped support and a roller with a threaded shaft hole in the center, a sleeve hole is radially formed in the side face of the extending part of the motor shaft, one end of the lead screw is inserted into the sleeve hole and fixed, the other end of the lead screw is close to the edge of the support plate, the U-shaped support is sleeved on the lead screw through a sliding hole formed in the middle of the lower part of the U-shaped support to form a sliding pair, the roller is sleeved in the U-shaped support, the threaded shaft hole of the roller is sleeved on the lead screw to form lead screw nut transmission, and the vertical distance from the center of the lead screw to the upper surface of the support plate is the same as the radius of the roller; chamfers are arranged at the edges of two sides of the rolling surface of the roller, an annular boss is arranged at the center of the upper surface of the supporting disk, a plurality of contact switches A for controlling the forward and reverse rotation of the motor are uniformly distributed on the outer side surface of the annular boss, a plurality of square bosses are uniformly distributed at the edge of the upper surface of the supporting disk along the circumference, contact switches B for controlling the forward and reverse rotation of the motor and corresponding to the contact switches A one by one are arranged on the inner side surfaces of the square bosses, and the roller is positioned between the forward and reverse rotation contact switches A and the forward and reverse rotation contact switches B;
the middle of the upper end surface of the U-shaped bracket is provided with a rotatable hook device which is hooked with the hook on the tension spring.
Preferably, both ends of the movable supporting plate are provided with a pair of bandage holes, and the bandage holes are internally provided with bandages to form a tightening structure.
Preferably, the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with a support connecting block, and the lower end of the fixed supporting plate is pressed on the support connecting block and is fixedly connected with the fixed supporting plate through a screw.
Preferably, the positioning shaft pin assembly comprises a door-shaped support, a positioning shaft pin and a spring, the door-shaped support is fixed on a vertical lug plate through supporting legs at two ends of the door-shaped support, a guide hole is formed in the middle of the door-shaped support, the positioning shaft pin penetrates through the guide hole and is inserted into the shaft hole B, a push-pull block is arranged at the outer end of the positioning shaft pin, a stop block located in the door-shaped support is arranged in the middle of the positioning shaft pin, and the spring is sleeved between the stop block and the top end of the door-shaped support.
Preferably, rotatable couple device include spherical seat, rotatory couple, the bottom surface of spherical seat is fixed in the middle of the up end of U-shaped support, the bottom surface of spherical seat upwards opens there is the cylindricality chamber, the top of spherical seat is opened downwards and is had and link up the through-hole in the cylindricality intracavity, rotatory couple includes cylindrical montant in the middle of, the couple second of montant upper end connection, the ball of montant lower extreme connection, what the ball matches installs in the cylindricality intracavity, the montant upwards passes the through-hole of spherical seat, couple second with couple first on the extension spring articulates.
Preferably, the upper port of through-hole department all is equipped with the fillet with lower port department, and the diameter of erect pole is less than the diameter of through-hole, and the diameter of ball is greater than the diameter of through-hole.
Preferably, the height of the cylindrical support is greater than twice the height between the base and the support plate of the traction means.
Preferably, the folding supporting rod comprises a supporting rod A hinged in the middle of the movable supporting plate and a supporting rod B hinged in the middle of the fixed supporting rod, the outer end part of the supporting rod B is hinged with the supporting rod A, and round holes which can be mutually corresponding and used for inserting shaft pins are arranged on the supporting rod A and the supporting rod B.
The beneficial technical effects of the invention are as follows:
the cylindrical support is rotatably connected to a base, a positioning shaft assembly arranged on a vertical ear plate and a positioning blind hole arranged on the cylindrical support can realize vertical or transverse fixation of the cylindrical support, when the cylindrical support is vertically fixed, a movable support plate is adjusted to be horizontal through a folding support rod, the hand of a patient can be bent into the cylindrical support at the inner end of the movable support plate for traction training, when the cylindrical support is transversely fixed, the fixed support plate is used as a support leg of the cylindrical support, the movable support plate is adjusted to be horizontal through the folding support rod, and the hand of the patient can horizontally extend into the cylindrical support at the inner end of the movable support plate for traction training; the closing rope arranged at the opening of the tightening conical sleeve can pull the closing belts inwards at the same time, so that the opening of the conical sleeve is contracted inwards, a hand extending out of the movable supporting plate can be wrapped in the conical sleeve, and the conical sleeve is pulled by the traction rope to rotate to perform rehabilitation training; the taper sleeve can be quick tighten up and close up the finger and make the hand shrink be the toper, and the hand shrink is the toper and can relax the wrist, does benefit to the rotation training of wrist department.
The screw rod and the roller of the traction device form screw rod nut transmission, when a motor on the base drives the screw rod to rotate, the roller can move on the supporting disc along the circumference and also can move to the center of the supporting disc along the screw rod, so that the roller can drive the U-shaped support to spirally move inwards or outwards on the supporting disc, the middle part and the edge of the supporting disc are provided with a plurality of corresponding motor forward and reverse rotation contact switches, and the roller can contact the contact switches when moving to the middle and the edge of the supporting disc to realize forward and reverse rotation switching of the motor, so that the U-shaped support can be driven to reciprocate inside and outside the supporting disc and perform spiral motion alternately at high speed to provide traction power for the conical sleeve.
According to the invention, the rotary hook of the hook device is connected with the hook on the tension spring in an articulated manner, and the ball at the lower end of the rotary hook can rotate 360 degrees in the cylindrical cavity of the spherical seat, so that when the U-shaped support rotates and pulls the traction rope to rotate, the traction rope can rotate relative to the spherical seat to avoid the phenomenon of twisting, the traction rope can pull the conical sleeve to do a pitching motion which is reciprocating inside and outside and alternating in speed and speed along the chamfer by taking the wrist as the center, the rehabilitation training effect is greatly improved, and the rehabilitation process of a patient is accelerated; the tension spring on the traction rope can enable the traction device and the conical sleeve to be always in a tensioning state, and the traction effect of the traction device on the conical sleeve is guaranteed.
The invention can carry out automatic rehabilitation training on the hands of the patient in a prolapsed state and a horizontal state, does not need additional personnel assistance, improves the training diversity, has good rehabilitation training effect and can greatly accelerate the rehabilitation process.
Drawings
FIG. 1 is a schematic perspective view of the cylindrical support of the present invention mounted vertically for exercise;
FIG. 2 is a schematic front view of the cylindrical support of the present invention in a laterally fixed configuration for training;
FIG. 3 is a schematic perspective view of a support plate assembly;
FIG. 4 is a perspective view of the cylindrical support of the present invention;
FIG. 5 is a schematic view of the internal structure of the present invention with the base removed;
FIG. 6 is an enlarged partial view of FIG. 5;
FIG. 7 is a perspective view of the restraint draft assembly of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a schematic top view of the strap of the present invention shown in its assembled configuration on the portable support panel;
FIG. 10 is a front view of the draft gear of the present invention;
FIG. 11 is an enlarged partial view of FIG. 10;
FIG. 12 is a schematic top view of the draft gear of the present invention;
FIG. 13 is a schematic top view of the present invention;
FIG. 14 is a schematic sectional view taken along line B-B in FIG. 13;
FIG. 15 is a schematic cross-sectional view taken along line C-C in FIG. 13;
FIG. 16 is an enlarged partial view of FIG. 15;
FIG. 17 is a sectional view taken along line A-A of FIG. 15;
fig. 18 is a schematic perspective view of the roller of the present invention.
In the figure, 01, a cylindrical support, 11, a rotating support block, 111, a rotating shaft, 112, an arc-shaped groove, 113 positioning blind holes, 12, a reinforcing plate, 121, a positioning boss, 13, a sliding rail, 14, a support connecting block, 02, a hand depression restraining device, 21, a support plate assembly, 22, a fixed support plate, 23, a movable support plate, 231, a tying hole, 232, a tying band, 24, a hinge, 25, a folding support rod, 251, a support rod A, 252, a support rod B, 253, a round hole, 03, a conical sleeve, 31, a traction rope, 32, a closing rope, 33, a closing belt, 331, a threading sleeve, 34, a tension spring, 341, a hook A, 35, a sleeve opening, 04, the traction device, 41, a disc-shaped seat, 411, a sliding support block, 412, a sliding chute A, 413, a positioning bolt, 42, a support plate, 421, an annular boss, 422, a contact switch A, 423, a square boss, 424, a contact switch B, 425, a second chute switch, a second and a second contact switch, 43. The motor, 431, a motor shaft, 432, a sleeve hole, 44, a connecting piece, 451, a screw rod, 452, a U-shaped bracket, 453, a roller, 454, a sliding hole, 455, a threaded hole, 456, a chamfer, 06, a rotatable hook device, 61, a spherical seat, 611, a cylindrical cavity, 612, a through hole, 613, a fillet, 62, a rotatable hook, 621, a vertical rod, 622, a hook B, 623, a ball, 07, a base 71, a vertical lug plate, 711, a shaft hole A, 712, a shaft hole B, 72, a positioning shaft assembly, 721, a door-shaped bracket, 722, a positioning shaft pin, 723, a spring, 724, a guide hole, 725, a push-pull block and 726 a stop block.
Detailed Description
First embodiment, refer to the attached drawings (1-18) of the specification, a wrist rotation function rehabilitation training device comprises a cylindrical support arranged in a base, a hand depression and restriction device and a traction device;
the two vertical ear plates are symmetrically arranged on two sides of the base, the upper middle part of the vertical ear plate is provided with an upper shaft hole A and a lower shaft hole B which are adjacent to each other, the lower part of the outer side surface of the cylindrical support is symmetrically provided with two rotating supporting blocks, the middle part of the upper part of the outer side surface of each rotating supporting block is provided with a rotating shaft, the rotating shaft is inserted into the shaft hole A in a matching way, the cylindrical support can rotate on the base, the middle part of the outer side surface of each rotating supporting block is provided with a 90-degree arc-shaped groove by taking the rotating shaft as the center, two ends of the arc-shaped groove are respectively provided with a positioning blind hole which can correspond to the shaft hole B, a positioning shaft pin component is arranged on the outer side surface of the vertical ear plate and corresponds to the shaft hole B, a positioning pin on the positioning shaft pin component is inserted into the shaft hole B in a matching way, when the cylindrical support rotates to a vertical state, the positioning pin can penetrate through the shaft hole B and be inserted into the positioning blind hole at the lower end of the arc-shaped groove to fix the cylindrical support, when the cylindrical support rotates to a transverse state, the positioning pin can penetrate through the shaft hole B and be inserted into the positioning blind hole at the upper end of the arc-shaped groove to fix the cylindrical support; a reinforcing plate is axially arranged on the outer side surface between the two rotating supporting blocks of the cylindrical support, two positioning bosses extending out of the upper end surface of the cylindrical support are symmetrically arranged on two sides of the upper end surface of the reinforcing plate, and a plurality of slide rails extending to the bottom surface of the cylindrical support are axially and uniformly distributed on the inner side surface of the cylindrical support;
the hand bending-down restraining device comprises a supporting plate component transversely fixed at the upper end of the cylindrical support and a restraining traction component arranged above the inside of the cylindrical support, wherein the supporting plate component comprises a fixed supporting plate and a movable supporting plate which are identical in shape and hinged between inner end faces through hinges, the middle part of the fixed supporting plate and two positioning bosses are fixedly connected, the inner ends of the fixed supporting plate are close to the center of the cylindrical support, a folding supporting rod capable of supporting the movable supporting plate and vertically fixing the fixed supporting plate is connected between the middle parts of the fixed supporting plate and the movable supporting plate, when the cylindrical support is transversely fixed, the fixed supporting plate serves as a supporting leg to support the other end of the cylindrical support, and the movable supporting rod is supported by the folding supporting rod to be in a horizontal state;
the restraint traction assembly comprises a conical sleeve made of soft materials, a traction rope and a closing rope, wherein the traction rope is connected with the tip of the lower end of the conical sleeve, the conical sleeve is placed in the middle of the upper portion of the cylindrical support, the upper end of the conical sleeve is close to the inner end of the movable support plate, a sleeve opening of the conical sleeve is an inclined sleeve opening inclined towards the direction of the support plate assembly, the inclined sleeve opening can be tightly attached to a wrist portion when the hand portion is bent over, the fixing effect on the hand portion can be improved, a plurality of closing belts with threading sleeves at the upper ends are uniformly distributed on the sleeve opening, the closing rope sequentially penetrates through the threading sleeves on the closing belts, rope heads at two ends of the closing ropes are converged at one position, the lower end of the traction rope is connected with a tension spring, and a hook A is arranged at the other end of the tension spring;
the traction device comprises a disc-shaped seat and a supporting disk which are circular and have the same diameter, a pitch range adjusting assembly is arranged on the supporting disk, a plurality of sliding supporting blocks with the outer side surfaces and the side surfaces of the disc-shaped seat coplanar are uniformly distributed on the side surfaces of the disc-shaped seat downwards, sliding chutes A with two ends penetrating through are axially arranged on the outer side surfaces of the sliding supporting blocks, the sliding chutes A are connected onto a plurality of sliding rails in a sliding manner in a matching manner, through threaded holes are formed in the middles of the sliding chutes A, positioning bolts are inserted into the threaded holes, the traction device slides up and down in a cylindrical support to adjust the distance between the traction device and a conical sleeve, the pitch range of the conical sleeve is adjusted, the positioning bolts are screwed inwards to fix the traction device after the traction device is adjusted in place, a vertical motor is fixed at the center of the upper surface of the disc-shaped seat, the supporting disk is coaxially and fixedly connected to the upper part of the motor through a step shaft-shaped connecting piece, and a motor shaft passes through the connecting piece and extends out of the center of the supporting disk-shaped seat, a plurality of sliding grooves B are axially formed in the side face of the supporting disc and are in sliding connection with the sliding rails;
the pitching amplitude adjusting assembly comprises a lead screw, a U-shaped support and a roller with a threaded shaft hole in the center, a sleeve hole is radially formed in the side face of the extending part of the motor shaft, one end of the lead screw is inserted into the sleeve hole and fixed, the other end of the lead screw is close to the edge of a support plate, the U-shaped support is sleeved on the lead screw through a sliding hole formed in the middle of the lower part of the U-shaped support to form a sliding pair, the roller is sleeved in the U-shaped support, the threaded shaft hole of the roller is sleeved on the lead screw to form lead screw nut transmission, the roller can drive the U-shaped support to move synchronously, and the vertical distance between the center of the lead screw and the upper surface of the support plate is the same as the radius of the roller; the edge of the two sides of the rolling surface of the roller is provided with chamfers, the center of the upper surface of the supporting disk is provided with an annular boss, the outer side surface of the annular boss is uniformly provided with a plurality of contact switches A for controlling the forward and reverse rotation of the motor, the edge of the upper surface of the supporting disk is circumferentially and uniformly provided with a plurality of square bosses, the inner side surfaces of the square bosses are respectively provided with contact switches B for controlling the forward and reverse rotation of the motor and corresponding to the contact switches A one by one, the roller is contacted with the contact switches by utilizing the chamfers at the edge, the problem of jamming when a right-angled wheel edge on the roller is contacted with the contact switches can be avoided, and the roller is positioned between the forward and reverse rotation contact switches A and the forward and reverse rotation contact switches B;
the middle of the upper end surface of the U-shaped bracket is provided with a rotatable hook device which is hooked with the hook on the tension spring.
A pair of binding belt holes are formed in the two ends of the movable supporting plate, binding belts are arranged in the binding belt holes to form a tightening structure, and the arms are placed on the movable supporting plate and then are bound and fixed through the binding belts; and the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with a supporting connecting block, and the lower end of the fixed supporting plate is pressed on the supporting connecting block and is fixedly connected with the fixed supporting plate through a screw.
Rotatable couple device include spherical seat, rotatory couple, the bottom surface of spherical seat is fixed in the middle of the up end of U-shaped support, the bottom surface of spherical seat upwards opens and has the cylindricality chamber, the top of spherical seat is opened downwards and is had and link up the through-hole in the cylindricality intracavity, rotatory couple includes cylindrical montant in the middle of, the couple second of montant upper end connection, the ball that the montant lower extreme is connected, what the ball matches installs in the cylindricality intracavity, the montant upwards passes the through-hole of spherical seat, couple second with couple first on the extension spring articulates.
Round corners are arranged at the upper port and the lower port of the through hole, a vertical rod of the rotating hook can rotate circumferentially along the port of the through hole during training, the diameter of the vertical rod is smaller than that of the through hole, and the diameter of the round ball is larger than that of the through hole; the height of the cylindrical support is greater than twice of the height between the base and the support disc of the traction device.
The locating shaft pin component comprises a door-shaped support, a locating shaft pin and a spring, the door-shaped support is fixed on a vertical lug plate through supporting legs at two ends of the door-shaped support, a guide hole is formed in the middle of the door-shaped support, the locating shaft pin penetrates through the guide hole and is inserted into the shaft hole B, a push-pull block is arranged at the outer end of the locating shaft pin, a stop block located in the door-shaped support is arranged at the middle of the locating shaft pin, the spring is sleeved between the stop block and the top end of the door-shaped support, the spring provides inward pressure for the locating pin, the locating pin is tightly pressed in a locating blind hole, and the locating pin is pulled out outwards to adjust the cylindrical support.
Folding bracing piece including articulate bracing piece first in the middle of the movable support board, articulate bracing piece second in the middle of the fixed support bar, the outer tip and the bracing piece first of bracing piece second are articulated, be equipped with the round hole that is used for inserting the pivot that can correspond mutually on bracing piece first and the bracing piece second, when needing to prop up the movable support board, bracing piece first and bracing piece second coincide, the pivot is inserted and is died two bracing pieces lock in the round hole, when putting down the movable support board, extract the pivot, two bracing pieces are folding downwards.
The using process of the invention is as follows:
when the hand is subjected to the training of the state of pronating
a. Adjusting the cylindrical support to be in a vertical state, locking the cylindrical support and the base by using a positioning shaft pin, adjusting the movable support plate to be in a horizontal state, moving the forearm of the patient to be placed on the movable support plate and enabling the hand to hang down into the cylindrical support at the inner end of the movable support plate, then sleeving the whole hand of the patient into the conical sleeve, tightening a closing rope arranged at the opening of the conical sleeve to pull a plurality of closing belts inwards, shrinking the opening of the conical sleeve inwards to wrap the hand of the patient in the conical sleeve, and finally binding the forearm of the patient to the support plate by using a binding belt;
b. the motor of the traction device is started to drive the screw rod and the idler wheel to rotate, the idler wheel rotates to drive the U-shaped support to spirally move inwards or outwards on the supporting disc along the screw rod, when the idler wheel spirally moves inwards or outwards on the supporting disc and touches a forward and reverse rotation contact switch in the middle of or at the edge of the supporting disc, the motor switches and turns, therefore, the idler wheel can drive the U-shaped support to spirally move inwards and outwards on the supporting disc in an alternating manner and pull the traction rope to rotate through the rotating hook, and the traction rope can pull the conical sleeve to perform inward and outward reciprocating and rapid and slow alternating bending rotation along the conical surface by taking the wrist as the center for training;
c. when the traction rope is pulled to rotate by the rotating hook in the spherical seat on the U-shaped support, the round ball at the lower end of the rotating hook can rotate 360 degrees in the spherical seat, and the traction rope and the U-shaped support rotate relatively, so that the phenomenon that the traction rope is twisted is avoided.
When the horizontal state training is carried out on the hand, the cylindrical support is adjusted to the horizontal state, the cylindrical support and the base are locked by the positioning shaft pins, the fixed supporting plate is used as a supporting leg of the cylindrical support, the movable supporting plate is adjusted to be in the horizontal state and is supported by the folding support, the forearm of a patient is moved to be placed on the movable supporting plate, the hand horizontally extends into the conical sleeve at the inner end of the movable supporting plate, and the rest steps are the same as the steps of the hand depression state training.
Claims (8)
1. The utility model provides a wrist rotates function rehabilitation training device which characterized in that: the trainer comprises a cylindrical support arranged on a base, a hand pronation and rotation restraining device arranged in the cylindrical support and a traction device;
two vertical ear plates are symmetrically arranged on two sides of the base, an upper shaft hole A and a lower shaft hole B which are adjacent up and down are arranged in the middle of the upper part of each ear plate, two rotating supporting blocks are symmetrically arranged on the lower part of the outer side surface of the cylindrical support, a rotating shaft is arranged in the middle of the upper part of the outer side surface of each rotating supporting block, the rotating shaft is inserted into the shaft hole A in a matching manner, an arc-shaped groove with 90 degrees is arranged in the middle of the outer side surface of each rotating supporting block by taking the rotating shaft as the center, positioning blind holes which can correspond to the shaft holes B are formed in two ends of the arc-shaped groove, positioning shaft pin assemblies are arranged at positions, corresponding to the outer side surfaces of the vertical ear plates and the shaft holes B, and positioning shaft pins on the positioning shaft pin assemblies are inserted into the shaft holes B in a matching manner; a reinforcing plate is axially arranged on the outer side surface between the two rotating supporting blocks of the cylindrical support, two positioning bosses extending out of the upper end surface of the cylindrical support are symmetrically arranged on two sides of the upper end surface of the reinforcing plate, and a plurality of slide rails extending to the bottom surface of the cylindrical support are axially and uniformly distributed on the inner side surface of the cylindrical support;
the hand part bending-down restraining device comprises a supporting plate component transversely fixed at the upper end of the cylindrical support and a restraining traction component placed above the inner part of the cylindrical support, the supporting plate component comprises a fixed supporting plate and a movable supporting plate which are identical in shape and hinged between inner end faces through hinges, the middle part of the fixed supporting plate is fixedly connected with two positioning bosses, the inner end of the fixed supporting plate is close to the center of the cylindrical support, and a folding supporting rod capable of supporting the movable supporting plate and vertically fixing the fixed supporting plate is connected between the middle parts of the fixed supporting plate and the movable supporting plate;
the restraint traction assembly comprises a conical sleeve made of soft materials, a traction rope and a closing rope, wherein the traction rope is connected with the tip of the lower end of the conical sleeve, the conical sleeve is placed in the middle of the upper portion of the cylindrical support, the upper end of the conical sleeve is close to the inner end of the movable support plate, a sleeve opening of the conical sleeve is an inclined sleeve opening inclined towards the direction of the support plate assembly, a plurality of closing belts with threading sleeves at the upper ends are uniformly distributed on the sleeve opening, the closing rope sequentially penetrates through the threading sleeves on the closing belts, rope heads at two ends of the closing ropes are converged at one position, the lower end of the traction rope is connected with a tension spring, and a hook A is arranged at the other end of the tension spring;
the traction device comprises a circular disc-shaped seat and a supporting disk, wherein the disc-shaped seat and the supporting disk are same in diameter, a pitch range adjusting assembly is arranged on the supporting disk, a plurality of sliding supporting blocks with outer side surfaces and coplanar side surfaces of the disc-shaped seat are uniformly distributed on the side surfaces of the disc-shaped seat downwards, sliding chutes A with two ends penetrating through are arranged on the outer side surfaces of the sliding supporting blocks along the axial direction, the sliding chutes A are connected onto the sliding rails in a matched and sliding mode, penetrating threaded holes are formed in the middles of the sliding chutes A, positioning bolts are inserted into the threaded holes, a vertical motor is fixed at the center of the upper surface of the disc-shaped seat, the supporting disk is coaxially and fixedly connected to the upper portion of the motor through stepped shaft-shaped connecting pieces, a motor shaft penetrates through the connecting pieces and extends out of the center of the supporting disk, and a plurality of sliding chutes B are arranged on the side surfaces of the supporting disk and are in sliding connection with the sliding rails along the axial direction;
the pitching amplitude adjusting assembly comprises a lead screw, a U-shaped support and a roller with a threaded shaft hole in the center, a sleeve hole is radially formed in the side face of the extending part of the motor shaft, one end of the lead screw is inserted into the sleeve hole and fixed, the other end of the lead screw is close to the edge of the support plate, the U-shaped support is sleeved on the lead screw through a sliding hole formed in the middle of the lower part of the U-shaped support to form a sliding pair, the roller is sleeved in the U-shaped support, the threaded shaft hole of the roller is sleeved on the lead screw to form lead screw nut transmission, and the vertical distance from the center of the lead screw to the upper surface of the support plate is the same as the radius of the roller; chamfers are arranged at the edges of two sides of the rolling surface of the roller, an annular boss is arranged at the center of the upper surface of the supporting disk, a plurality of contact switches A for controlling the forward and reverse rotation of the motor are uniformly distributed on the outer side surface of the annular boss, a plurality of square bosses are uniformly distributed at the edge of the upper surface of the supporting disk along the circumference, contact switches B for controlling the forward and reverse rotation of the motor and corresponding to the contact switches A one by one are arranged on the inner side surfaces of the square bosses, and the roller is positioned between the forward and reverse rotation contact switches A and the forward and reverse rotation contact switches B;
the middle of the upper end surface of the U-shaped bracket is provided with a rotatable hook device which is hooked with the hook on the tension spring.
2. The wrist rotation function rehabilitation training device according to claim 1, wherein: the two ends of the movable supporting plate are provided with a pair of binding belt holes, and binding belts are arranged in the binding belt holes to form a tightening structure.
3. The wrist rotation function rehabilitation training device according to claim 1, wherein: and the inner side surface of the cylindrical support and the corresponding position of the reinforcing plate are provided with a supporting and connecting block, and the lower end of the fixed supporting plate is pressed on the supporting and connecting block and is fixedly connected with the fixed supporting plate through a screw.
4. The wrist rotation function rehabilitation training device according to claim 2, wherein: the locating shaft pin component comprises a door-shaped support, a locating shaft pin and a spring, the door-shaped support is fixed on a vertical lug plate through supporting legs at two ends of the door-shaped support, a guide hole is formed in the middle of the door-shaped support, the locating shaft pin penetrates through the guide hole and is inserted into the shaft hole B, a push-pull block is arranged at the outer end of the locating shaft pin, a stop block located in the door-shaped support is arranged in the middle of the locating shaft pin, and the spring is sleeved between the stop block and the top end of the door-shaped support.
5. The wrist rotation function rehabilitation training device according to claim 1, wherein: rotatable couple device include spherical seat, rotatory couple, the bottom surface of spherical seat is fixed in the middle of the up end of U-shaped support, the bottom surface of spherical seat upwards opens there is the cylindricality chamber, the top of spherical seat is opened downwards and is had and link up the through-hole to the cylindricality intracavity, rotatory couple includes cylindrical montant in the middle of, couple second that the montant upper end is connected, the ball that the montant lower extreme is connected, what the ball matches installs in the cylindricality intracavity, the montant upwards passes the through-hole of spherical seat, couple second with couple first on the extension spring articulates.
6. The wrist rotation function rehabilitation training device according to claim 5, wherein: the upper port department and the lower port department of through-hole all are equipped with the fillet, and the diameter of erect pole is less than the diameter of through-hole, and the diameter of ball is greater than the diameter of through-hole.
7. The wrist rotation function rehabilitation training device according to claim 1, wherein: the height of the cylindrical support is greater than twice of the height between the base and the support disc of the traction device.
8. The wrist rotation function rehabilitation training device according to claim 1, wherein: the folding supporting rod comprises a supporting rod A hinged in the middle of the movable supporting plate and a supporting rod B hinged in the middle of the fixed supporting plate, the outer end part of the supporting rod B is hinged with the supporting rod A, and round holes which can correspond to each other and are used for inserting shaft pins are arranged on the supporting rod A and the supporting rod B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018660.4A CN112336583B (en) | 2020-09-24 | 2020-09-24 | Wrist rotation function rehabilitation training device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018660.4A CN112336583B (en) | 2020-09-24 | 2020-09-24 | Wrist rotation function rehabilitation training device |
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| CN112336583A CN112336583A (en) | 2021-02-09 |
| CN112336583B true CN112336583B (en) | 2022-06-14 |
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| CN202011018660.4A Active CN112336583B (en) | 2020-09-24 | 2020-09-24 | Wrist rotation function rehabilitation training device |
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| JP2018175262A (en) * | 2017-04-11 | 2018-11-15 | 株式会社パロン | Rehabilitation instrument and moving method for movable body of rehabilitation instrument |
| CN108814905A (en) * | 2018-07-16 | 2018-11-16 | 东北大学 | A kind of upper limb healing platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8257283B2 (en) * | 2008-12-17 | 2012-09-04 | Lantz Medical Inc. | Method and apparatus for providing a dynamically loaded force and/or a static progressive force to a joint of a patient |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480119A (en) * | 2003-07-25 | 2004-03-10 | 清华大学 | Rehabilitation training robot for motion of single joint of hemiplegia patient |
| CN104921903A (en) * | 2014-03-17 | 2015-09-23 | 株式会社K.D.M | Multi-Type Upper Limbs Muscle Rehabilitation Exercise Device |
| CN205885768U (en) * | 2016-06-21 | 2017-01-18 | 常州市建本医疗康复器材有限公司 | A trainer that circles round for wrist joint rehabilitation |
| JP2018175262A (en) * | 2017-04-11 | 2018-11-15 | 株式会社パロン | Rehabilitation instrument and moving method for movable body of rehabilitation instrument |
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| CN112336583A (en) | 2021-02-09 |
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