KR20160116540A - Portable finger/wrist rehabilitation exercise apparatus - Google Patents

Portable finger/wrist rehabilitation exercise apparatus Download PDF

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Publication number
KR20160116540A
KR20160116540A KR1020150044407A KR20150044407A KR20160116540A KR 20160116540 A KR20160116540 A KR 20160116540A KR 1020150044407 A KR1020150044407 A KR 1020150044407A KR 20150044407 A KR20150044407 A KR 20150044407A KR 20160116540 A KR20160116540 A KR 20160116540A
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South Korea
Prior art keywords
finger
pedestal
guide
sensor
training
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KR1020150044407A
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Korean (ko)
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KR101705439B1 (en
Inventor
문인혁
신상효
박효승
강은지
이채민
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동의대학교 산학협력단
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Priority to KR1020150044407A priority Critical patent/KR101705439B1/en
Publication of KR20160116540A publication Critical patent/KR20160116540A/en
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Publication of KR101705439B1 publication Critical patent/KR101705439B1/en

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention relates to a portable finger wrist rehabilitation device for performing a load training in which a finger gripping force of a patient having a hand function-related nervous system disorder can be restored due to an upper limb paralysis caused by a stroke or an accident, A handle on which a button is installed to guide the bending motion of the finger in the bar; A pedestal provided with a lower end of the handle and having the sensor unit therein, and a guide surface formed on the lower surface of the inside to guide the bending and tilting movement of the wrist; A load training unit configured to include a spring having a restoring force corresponding to the amount of finger motion and a guide for guiding the spring so as not to be detached; Wherein the input value is controlled by a dial that is screwed between the control plate and the handle and is exposed to the outside of the handle, ; According to an embodiment of the present invention, a finger load training using a spring and a motion angle in a hand space can be estimated based on the data value of the finger load training and the sensor part for feeding back the data value of the bending training of the wrist motion to the pedestal, This result can improve the training effect by enabling visual feedback to the user. In addition, 3D printing technology can be applied quickly and customized to the user, and it is portable, and unlike existing rehabilitation devices, rehabilitation training is possible anywhere.

Description

[0001] The present invention relates to a portable finger / wrist rehabilitation exercise apparatus,

The present invention relates to a load training for restoring a gripping force of a patient by using a spring on each finger except a thumb of a patient having a nervous system disorder related to a hand function owing to a stroke or hemiplegia caused by a stroke, The present invention relates to a portable finger wrist rehabilitation device capable of training a finger and a wrist motion from anywhere, instead of a rehabilitation device used in a conventional hospital or a rehabilitation center, while enhancing portability while enabling bending training during a rehabilitation training.

The rehabilitation of fingers and wrists of a patient with a nervous system disorder related to hand function due to upper extremity hemiplegia or accident caused by a stroke can be accomplished by pinching, stretching, and flexing the wrist. In order to obtain an effective training effect, the gripping body is formed in an appropriate size for gripping the hand, and the elasticity with the spring is applied so that the force is applied when the finger is pulled on the gripping body There has been proposed a grip force device in which a pressing portion is formed.

This gravity force device is registered in the registration room No. 20-0361257 and includes a lower body 3 having a rectangular support base 12 and an intermediate body 4 having a rectangular insertion / And an upper body 5 having a structure in which a swivel rod 14 is suspended in order from the lower side to a lower end of the lower body 3 joined to the pedestal 2 covered with the cover 1 from below, 6b and 6c are attached to the upper body 5 in such a manner that the upper body 5 and the intermediate body 4 are connected to the lower body 5. [ 9a, 9b and 9c through the pressing springs 8a, 8a, 8b and 8c to the fixing holes 7a, 7b and 7c, And a rectangular support base 12 having a central insertion hole 12a through which a hand size adjusting knob 11 is inserted and a hand size adjusting knob 10 is provided on a central upper surface of the lower body 3; A square bracket 13 having a through hole 13a for inserting the rectangular support 12 is formed on the central upper surface of the central body 4 and several positioning projections 16a are formed on the left and right upper surfaces Four spring receiving tubes 17, 17a and 17b for receiving and supporting several urging springs 19 having four different vertical support rods 15, 15a, 15b and 15c, (17c); A structure in which a swivel rod 14 having a hand-size-adjustable thread-like inner circumferential wall 14a, which is inserted into a central insertion hole 12a of the square support base 12, is suspended in a central bottom portion of the upper body 5, A grip force training device having a combined configuration has been proposed.

In the above-mentioned line registration practice, it is possible to easily control the high and low degree of the training machine so that the effect of several products can be obtained with one product without any restriction on the size of the hand, and the pressing pressure according to the hand grip strength and physical condition By selecting and using a biasing spring 19 suitable for a desired one among several different biasing springs 19, it can be used not only for the fingering effect of the fingers, the cuffs and the arms but also for the physical therapy which can smoothly function the body parts. Respectively.

However, although it is possible to adjust the height of the training device to match the size of the patient or the user's hand, the line registration practice has a problem in that the pressing force can not be controlled by repeating the finger exercise training, and the bending and spreading training There is a problem that it can not be done.

In addition, in the line registration practice, there is a problem that the result of the finger training or the wrist training is not recorded and displayed, so that the exercise data value can not be calculated,

Korea Registration Office 20-0361257

The present invention can be manufactured by 3D printing to fit the hand of a patient having a nervous system disorder related to hand function due to upper-extremity hemiplegia or accident caused by stroke, and the gripping force of the patient is enhanced by using a spring on each finger except the thumb It is aimed to enable the load training that can be done.

It is another object of the present invention to provide a portable rehabilitation device that can be used in a hospital or a rehabilitation center by increasing the portability and training a finger and a wrist movement even when the user is moving from place to place.

The object of the present invention is to provide a portable finger wrist rehabilitation apparatus including a handle on which a button is installed to guide a bending motion of a finger in a bar grasping the patient's hand; A pedestal provided with a lower end of the handle and having the sensor unit therein, and a guide surface formed on the lower surface of the inside to guide the bending and tilting movement of the wrist; A load training unit including a spring for generating a restoring force corresponding to a finger momentum and a guide for guiding the spring so as not to be separated; Wherein the input value is controlled by a dial that is screwed between the control plate and the handle and is exposed to the outside of the handle, ; A sensor unit for feeding back the data value of the load training of the finger to the pedestal and the data value of the bending training of the wrist motion; As shown in FIG.

In the configuration in which the object of the present invention is achieved, the pedestal has a width of a bottom surface having an induction surface larger than that of an upper surface to which the handle is connected, and a data value of a load training and a data value And a microcomputer for calculating the data value and synchronizing the display window is provided in an internal sensor unit.

In the configuration in which the object of the present invention is achieved, the load training portion is formed by a spring force having a restoring force corresponding to the pressing force of each of the fingers.

In the configuration in which the object of the present invention is achieved, the load adjusting unit includes a control shaft provided with a dial at the center of the control plate, a bushing installed on both sides of the control plate, and a guide shaft passing through the bushing And the adjustment plate is slidably adjusted along the guide axis.

In the configuration in which the object of the present invention is achieved, the sensor unit may be configured such that the angle at which the pedestal tilts back and forth with respect to the floor and the angle at which the pedestal tilts to the left and right are tilted by an acceleration sensor or a gyro sensor and a geomagnetic sensor And one of the sensors is selected and installed.

In the configuration in which the object of the present invention is achieved, the guiding surface of the bottom of the pedestal is formed as a hemispherical surface, and the inclination value in all directions including the front, rear, left and right directions is simultaneously measured.

According to the present invention, it is possible to estimate a finger load training using a spring and a motion angle in a hand space, and this result can improve the training effect by allowing visual feedback to the user through the GUI.

In addition, 3D printing technology can be applied quickly and customized to the user, and it is highly portable, and unlike conventional rehabilitation devices, rehabilitation training is possible anywhere.

1 is an internal structural view of a finger wrist rehabilitation apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of a load control unit of a finger wrist rehabilitation apparatus according to an embodiment of the present invention; FIG.
FIG. 3 is a state diagram of a load training unit for a finger wrist rehabilitation apparatus to which an embodiment of the present invention is applied.
FIG. 4 is a view illustrating a load control state of a finger wrist rehabilitation apparatus according to an embodiment of the present invention; FIG.
FIG. 5 is a front view and a rearward state of the wrist for a finger wrist rehabilitation apparatus according to the present invention. FIG.
FIG. 6 is a front, rear, left and right bending training state of the wrist with respect to the finger wrist rehabilitation apparatus of the present invention,
FIG. 7 is a cross-sectional structural view of a conventional grip force training machine for a finger. FIG.

Specific embodiments in which the present invention may be practiced will now be described with reference to the accompanying drawings.

It is to be understood that these embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and that the various embodiments of the invention are not necessarily mutually exclusive.

For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention.

The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views, and length and area, thickness, and the like may be exaggerated for convenience.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

FIG. 1 is an internal structural view of a finger wrist rehabilitation apparatus to which an embodiment of the present invention is applied. The finger rehabilitation training apparatus includes a button 310 for guiding a bending motion of a finger on a bar formed to grip the patient's hand The pedestal 200 is provided with an induction surface 220 for guiding the bending motion of the wrist by forming a knob 100 on which the knob 100 is fixed and a bottom surface which is in contact with the floor, Lt; / RTI >

The handle 100 may be provided as an output using a 3D printer to precisely fit in the patient's hand in forming the handle 100.

A load training unit 300 is installed in the handle 100 and a load control unit 400 is installed in the handle 100. This is described as an exploded view of the handle of the finger wrist rehabilitation apparatus according to one embodiment of the present invention shown in Fig.

That is, the load training unit 300 includes a button 310 to which a finger is touched, a spring 320 to apply an elastic force to each button 310, and a spring 320 to guide the spring 320 And a guide 330 is coupled.

The load control unit 400 includes a control plate 430 to which an input value is transmitted from the load training unit 300 and a control plate 430 disposed between the control plate 430 and the handle 100, A part of the outer periphery of the dial knob 410 of the screw shaft 420 inserted into the screw hole 450 formed at the center is exposed to the outside of the handle 100 through the through hole 120.

A fitting groove 440 into which the guide 330 is inserted is formed on a surface of the adjusting plate 430 on which the guide 330 abuts and a pressing force transmitted from the finger is inserted into the fitting groove 440 through the spring 320, A sensor 510 is input.

In the finger rehabilitation training apparatus according to the present invention, a display window 230 is provided on the outer surface of the pedestal 200 for numerically displaying values calculated by the sensor unit 500.

The sensor unit 500 is provided with a microcomputer 550 that computes data values and displays data values on the display window 230.

Further, in forming the sensor unit 500, a value of an angle at which the pedestal 200 is tilted back and forth with respect to the floor and an angle at which the pedestal 200 is tilted to the left and right is measured as one of acceleration sensor, gyro sensor and geomagnetism sensor The sensor 530 is selected and installed.

In forming the pedestal 200, The guide surface 220 of the bottom of the pedestal 200 is hemispherical so that the inclination of the pull 100 in the 360 ° direction on the plane including the longitudinal direction and the lateral direction is simultaneously measured.

  Therefore, the user can confirm the momentum data value of the user on the display window 230 through the sensor 510 attached to the throttle plate 430.

In the present invention having the above-described structure, the handle 100 is formed in a size suitable for the patient's hand, for a patient having a nervous system disorder associated with a hand function due to a paralysis or an accident caused by a stroke.

In order to form the handle 100, it is preferable that the 3D printer is used to manufacture and optimize the handle 100.

When the user grips the handle 100 manufactured appropriately for the patient and each finger except the thumb is brought into contact with each button 310 and the operation of pressing the button 310 with the finger is repeated, Load training is induced.

In the load training of the fingers, when the movement of pressing the respective buttons 310 by the fingers is repeated, the gripping force pressing the springs 320 is gradually restored to the fingers.

When the spring 320 is pressed by an external force, a displacement (delta) is generated. At the same time, the guide 330 presses the sensor 510 installed on the control plate 430, The external force P by the finger and the displacement? Are calculated by the sensor unit 500 from the measurement value of the sensor 510.

The digitized finger movement data value is displayed numerically on the display window 230 of the pedestal 200 through the microcomputer 550 and is provided to the patient or observer as a record of the comparison object.

The spring 320 of the load training unit 300 is compressed and adjusted by the dial knob 410 to increase the constant K of the spring 320 so as to increase the gripping force of the finger 320. As a result, The motion value can be maximized.

The spring constant K of the load training unit 300 may be adjusted based on the load control state diagram shown in FIG. 4. The load knob 400 of the load adjusting unit 400, which is exposed through the through hole 120 of the knob 100, (Not shown).

That is, when the dial knob 410 is rotated, the screw shaft 420 of the dial knob 410 rotates, and the screw hole 450 fastened thereto is moved along the spiral, The spring 430 is moved in a direction to push or return the spring 320. [

When the adjustment plate 430 is moved by the screw shaft 420, it is slid along the guide shaft 470 inserted into the bushing 460 on both sides of the adjustment plate 430 so that all the springs 320 are simultaneously compressed or returned .

FIG. 3 is a state in which a spring is installed on a finger wrist rehabilitation apparatus to which an embodiment of the present invention is applied.

The sensor 510The data value is stored in the spring 320, Generated By pressure value , The finger movement force of the patient can be calculated by the following equation.

P S = P / A

In the above equation Ps Is a value measured by the sensor 512, and A is a cross-sectional area of the guide 330, when the value is constant, the force P that the patient exercises with the finger is calculated.

The displacement of the patient's finger can be calculated using the following equation by measuring the compression spring displacement.

                           P = K?

In the above equation, P is the force that the patient moves with the finger, K is the spring constant, and δ is the displacement of the compression spring.

Since the value of K is a predetermined constant, and P is the value calculated in the foregoing, the displacement (delta) can be calculated.

In the process of training the patient's finger gripping power recovery, it is possible to train the recovery of the hand muscles of the hand holding the handle 100.

If the user performs the finger rehabilitation training while holding the handle 100, the wrist of the patient can move in the vertical direction, and the inclination of the wrist can be measured by the measurement sensor 530.

FIG. 5 is a view showing a state in which the wrist is bent forward and backward with respect to the finger wrist rehabilitation apparatus of the present invention. When the rehabilitation training action is taken, the guide surface 220 of the pedestal 200 is formed in an arc shape so that the pedestal 200 is inclined forward or backward from the bottom surface including the grip 100 to form an inclination angle The measurement sensor 530 measures the inclination value of the handle 100 including the pedestal 200 as well as the displacement value due to the spring constant at the sensor unit 500 inside the pedestal 200, And the microcomputer 550 computes the input up and down inclination values and outputs the numerical value to the connected display window 230 so that the patient or the observer can use the data as the data to be compared.

As the measurement sensor 530, any one of an acceleration sensor, a gyro sensor, and a geomagnetic sensor may be used.

In addition, since the patient's wrist can be folded in the forward, backward, left and right directions, that is, 360 degrees in the plane in the process of performing the finger rehabilitation training while the patient holds the handle 100, the inclination thereof can be measured.

FIG. 6 is a diagram illustrating a state in which the wrist is bent back and forth and left and right in the finger wrist rehabilitation apparatus of the present invention. When the rehabilitation training action is taken, the guide surface 220 of the pedestal 200 is hemispherical, The sensor unit 500 in the pedestal 200 is inclined at a predetermined angle with respect to the bottom surface of the pedestal 200 when the pedestal 200 is inclined forward or backward, The measured value is input to the microcomputer 550, and the calculated data is input to the microcomputer 550. The measured data is input to the microcomputer 550, The display window (230) is displayed with numerical values, so that the patient or the observer can use the data as the data to be compared with each other to compare and analyze the rehabilitation state of the finger and the wrist. It is.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that the invention may be embodied in many other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100: handle 120: through hole 200: pedestal
220: guide surface 230: display window 300: load training section
310: Button 320: Spring 330: Guide
400: load regulator 410: dial knob 420: screw shaft
430: throttle plate 440: fitting groove 450:
460: bushing 470: guide shaft 500: sensor part
510: sensor 530: measurement sensor 550:

Claims (6)

A handle (100) for guiding a finger to move while grasping with a patient's hand;
A pedestal 200 having a guiding surface 220 for guiding a bending motion and a tilting motion of the wrist to the lower end of the handle 100,
A spring 320 for allowing an input value to be formed on the button 210 to be pressed by the finger with a repulsive force; A load training unit 300 comprising a guide 330 for guiding the load 330;
A load adjusting part 430 for adjusting the compressive strength of the spring 320 by a dial knob 410 installed to be screwed on the adjusting plate 430, (400);
A sensor unit 500 provided within the pedestal 200 for allowing a load training data value of a finger motion and a bending training data value of a wrist motion to be fed back; Further comprising: a finger-shaped elastic member provided on the finger-shaped elastic member.
The method according to claim 1,
The pedestal (200)
A guide surface 220 connected to the upper surface of the handle 100 and having a bottom surface wider than the upper surface, the guide surface 220 having a curved surface whose bottom surface is free to tilt;
Wherein a display window (230) is provided on an outer surface between the upper surface and the lower surface and on which a numerical value of a load training data value of a finger, a bending motion of the wrist, and a data value of a tilt motion are provided.
The method according to claim 1,
The load training unit 300,
One side of the spring 320 resiliently mounted on the button 310 of the handle 100 is fixed to the button 310 and the other side is installed on the adjusting plate 430 of the load adjusting unit 400, And a sensor (510) for receiving an input value of finger movement is coupled between the guide (330) and the guide (330).
The method of claim 3,
The load regulator 400 includes:
A fitting groove 440 is formed in the adjusting plate 430 so that a guide 330 coupled to the spring 320 of the load training unit 300 is installed. 450 and a bushing 460,
A screw shaft 420 of a dial knob 410 formed to transmit a screw moving force is inserted into the screw hole 450 and a guide shaft 420 for horizontally guiding a throttle plate 430 which is moved to the bushing 460, (470) is inserted between the finger and the wrist.
The method according to claim 1,
The sensor unit 500 includes:
A sensor 510 installed in the fitting groove 440 of the adjusting plate 430 together with the guider 330 of the spring 320 to input data to the measuring sensor,
A measurement sensor installed inside the pedestal 200 and connected to the sensor 510 for measuring the degree of inclination of the pedestal 200 including the pedestal 100 using either an acceleration sensor or a gyro sensor or a geodetic sensor, And a microcomputer (550) for computing a data value of the slope and displaying the data value on the display window in numerical values.
3. The method of claim 2,
The pedestal (200)
Wherein a guide surface (220) provided on a bottom surface of the pedestal (200) is formed in a hemispherical shape so that the pedestal (200) is inclined in a direction of 360 degrees in a plan view.
KR1020150044407A 2015-03-30 2015-03-30 Portable finger/wrist rehabilitation exercise apparatus KR101705439B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107689177A (en) * 2017-09-30 2018-02-13 姚溪浏 Piano finger force exerciser
KR20180089176A (en) * 2017-01-31 2018-08-08 호서대학교 산학협력단 Grasping power measuring apparatus capable of feedback training
WO2018164398A1 (en) * 2017-03-08 2018-09-13 조순구 Finger exercise equipment
CN111228750A (en) * 2020-02-28 2020-06-05 王纯 Finger training ware for neurology department
CN111700782A (en) * 2020-06-23 2020-09-25 江苏医药职业学院 Training device for rehabilitation period nursing of cerebral infarction patient and using method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101972807B1 (en) 2017-07-17 2019-04-26 주식회사 여의시스템 Active training system for rehabilitating fingers and wrist using display device
KR101968533B1 (en) 2017-07-17 2019-04-12 주식회사 여의시스템 Training apparatus for actively rehabilitating fingers and wrist

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KR20020063353A (en) * 2001-01-27 2002-08-03 박성하 Measuring instrument on grip force of hands
KR200361257Y1 (en) 2004-05-31 2004-09-07 천재권 Gripper
KR20110009416U (en) * 2010-03-29 2011-10-06 신현용 a dynamometer
KR101327688B1 (en) * 2012-06-01 2013-11-08 한국산업기술대학교산학협력단 Rehabilitation system for upper limb of hemiplegic patients and method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020063353A (en) * 2001-01-27 2002-08-03 박성하 Measuring instrument on grip force of hands
KR200361257Y1 (en) 2004-05-31 2004-09-07 천재권 Gripper
KR20110009416U (en) * 2010-03-29 2011-10-06 신현용 a dynamometer
KR101327688B1 (en) * 2012-06-01 2013-11-08 한국산업기술대학교산학협력단 Rehabilitation system for upper limb of hemiplegic patients and method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180089176A (en) * 2017-01-31 2018-08-08 호서대학교 산학협력단 Grasping power measuring apparatus capable of feedback training
WO2018164398A1 (en) * 2017-03-08 2018-09-13 조순구 Finger exercise equipment
CN107689177A (en) * 2017-09-30 2018-02-13 姚溪浏 Piano finger force exerciser
CN107689177B (en) * 2017-09-30 2024-03-26 姚溪浏 Piano finger force exerciser
CN111228750A (en) * 2020-02-28 2020-06-05 王纯 Finger training ware for neurology department
CN111228750B (en) * 2020-02-28 2021-02-19 杨风刚 Finger training ware for neurology department
CN111700782A (en) * 2020-06-23 2020-09-25 江苏医药职业学院 Training device for rehabilitation period nursing of cerebral infarction patient and using method thereof

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