WO2017047840A1

WO2017047840A1 - Finger exercise device

Info

Publication number: WO2017047840A1
Application number: PCT/KR2015/009751
Authority: WO
Inventors: 반호영; 최용근; 박민재; 이수빈
Original assignee: 주식회사 네오펙트
Priority date: 2015-09-16
Filing date: 2015-09-16
Publication date: 2017-03-23
Also published as: KR101723893B1

Abstract

The present invention relates to a finger exercise device, comprising: a base; a rest, arranged on the base, onto which a palm is placed; and a finger exercise unit for exercising fingers extended from the palm placed on the rest, wherein the finger exercise unit comprises: a finger grip on which the fingers extended from the palm which is placed on the rest are caught; a link to which the finger grip is coupled to allow swivelling; a guide having a rail groove in an arc shape, formed corresponding to the rotation locus of the fingers, and guiding reciprocal movement of the link movably coupled to the rail groove; and a link drive unit for causing the link to be reciprocated along the rail groove of the guide.

Description

Finger exercise equipment

The present invention relates to a finger exercise device, and more particularly, to a finger exercise device that can be rehabilitation exercise by repeatedly bending or extending the disabled finger.

In case of stroke or Parkinson's disease, various physical changes occur depending on the condition. In particular, in the case of such a disease, the hand is paralyzed and the fingers are associated with the phenomenon of fading.

If the numbness of the hand and finger gradation are left unattended, the muscles or joints become stiff and gradually feel pain when moving, and even nerve recovery may interfere with normal activities.

In addition to the case of the specific disease described above, there are many cases where the movement of the finger is impaired by an accident.

Therefore, in such a case, it is very important that the paralyzed or handicapped hand is continuously rehabilitated so as to keep blood movement and neural communication to maintain maximum exercise ability.

The prior art for such a finger exercise device is disclosed in Korean Patent Laid-Open No. 10-2009-0120713.

As disclosed, the conventional finger exercise apparatus includes a wear opening providing a mounting surface on the back of the hand, a casing installed on the mounting surface, a motor installed inside the casing, a fixed node member fixed to the casing and extending to the finger side, A plurality of operating node members which are linked to the ends of each of the fixed node members, extend in the longitudinal direction of the finger and have joint portions at positions corresponding to the joint portions of the fingers, and in contact with each node of the finger; It has a cap that is fixed to the tip of and that secures the end of the finger. Therefore, the conventional finger movement device has a structure in which the entire finger is constrained by the fixed node member and the plurality of operating node members, and the fingers are articulated.

Therefore, the conventional finger movement device receives power from the motor to drive the joint portion of the operation node member to bend or unfold the finger in a state in which the operation node member is supported by the cap to move the finger.

However, in the conventional finger movement device, a fixed node member and a plurality of operating node members are connected to one finger in the form of a joint structure, and the structure is complicated and many components are difficult to assemble, and the failure rate during use is high. There is a high problem. In particular, since the force is concentrated in the connection portion with the link member of the connecting rod interconnecting a plurality of operation node members there is a problem that the connecting rod is easily broken. In addition, there is a problem in the rehabilitation exercise because there is a limit on the rotation angle of the operation node member can not bend the finger enough.

The present invention has been made in view of the above, it is simple in structure, easy to assemble, there is no concentration of stress, there is no risk of damage during use, rehabilitation exercise without restraining each node of the finger It is an object of the present invention to provide a finger exercise device that can be improved.

Another object of the present invention is to provide a finger exercise device capable of rehabilitation exercise regardless of the length of the finger.

An object of the present invention, the base; A cradle provided on the base and to which the palm is mounted; And a finger exercise unit for moving a finger extended from the palm mounted on the cradle, wherein the finger exercise unit includes: a finger grip on which a finger extended from the palm mounted on the cradle is caught; A link to which the finger grip is swivelably coupled; A guide having an arc-shaped rail groove formed corresponding to a rotational trajectory of a finger and guiding reciprocating movement of the link movably coupled to the rail groove; And a link driver for reciprocating the link along the rail groove of the guide.

Here, the link driving unit, a driving rod connected to the link; And it may include an actuator for lengthening and reducing the length of the drive rod.

The actuator may further include an actuator support for pivotally supporting the actuator on the base.

It may further include a load measuring sensor for measuring the load transmitted through the actuator.

It may further include a guide support for pivotally supporting the guide to the base.

It may further include a tilting angle adjusting unit for adjusting the tilting angle of the guide relative to the base.

The tilting angle adjusting unit may include: a first post having one end pivotally supported by the guide and having a plurality of fitting holes spaced along a longitudinal direction; A second post forming a communication hole selectively communicating with the plurality of fitting holes, the second post being fitted to the first post and pivotally supported by the base; And it may be coupled to any one of the communication hole of the second post and the plurality of fitting holes of the first post, it may include a post fixture for fixing the second post and the first post.

The finger exercise unit may be provided in plurality, and the plurality of finger exercise units may be disposed in parallel to the base.

The finger movement unit is provided with two or more, any one of the two or more finger movement unit is provided so that the corresponding link is reciprocating in parallel to the base, the remaining finger movement unit is the link to the base It can be provided so as to reciprocate in the vertical direction.

It may further include a cradle height adjusting unit for adjusting the height of the cradle from the base.

The cradle height adjusting unit, the cradle bracket is standing on the base, the cradle is provided to be elevated; A height adjusting slot formed through a plate surface of the cradle bracket along a lifting direction of the cradle; A height adjusting through hole formed through the cradle so as to communicate with the height adjusting slot; And a height adjustment knob coupled to the height adjustment slot and the height adjustment through hole to fix the holder bracket and the holder.

According to the present invention, the structure is simple, easy to assemble, there is no concentration of stress, there is no risk of damage during use, and rehabilitation can be performed without restraining each node of the finger, thereby improving convenience. . In addition, the finger can be rehabilitated regardless of the length of the finger.

1 is a perspective view of a finger exercising apparatus according to an embodiment of the present invention,

2 is a perspective view illustrating main parts of the finger exercise unit of FIG. 1 before an index finger, a middle finger, a ring finger, and a holder exercise,

3 is a side view of FIG.

Figure 4 is a perspective view of the main part when exercised in the finger exercise unit of Figure 2,

5 is a side view of FIG. 4;

6 is a perspective view illustrating main parts of the finger exercise unit of FIG. 1 before exercise of the thumb as an embodiment;

7 is a plan view of FIG. 6;

8 is a perspective view illustrating main parts of the finger unit of FIG. 6 when exercising;

9 is a plan view of FIG. 8.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 9 illustrate a finger exercise device according to an embodiment of the present invention.

As shown in these figures, the finger exercise apparatus 1 according to an embodiment of the present invention includes a base 10, a cradle 15, and a finger exercise unit 20.

The base 10 supports the cradle 15 and the finger movement unit 20 and is supported on the floor.

Cradle 15 is provided on the base 10, the palm of the user to be rehabilitation exercise is mounted. The cradle 15 has a plate shape so that the palms are stably in close contact with each other.

The finger movement unit 20 moves a finger extending from the palm mounted on the holder 15, and includes a finger grip 21, a link 25, a guide 31, and a link driver 61.

Prior to the description, the finger exercise device 1 according to an embodiment of the present invention is a four finger exercise unit 20 that can exercise each of four fingers except the thumb, and one that can exercise the thumb of the right hand. Although two finger exercise units 20 'are shown, each finger exercise unit 20, 20' has the same components, and for convenience of explanation, one finger exercise unit 20 will be described below. . In addition, in the present embodiment, four finger exercise units 20 are illustrated in correspondence with the index finger, middle finger, ring finger, and the holder, respectively, but are not limited thereto. Note that the finger exercise unit 20 may be provided in advance.

The finger grip 21 has a ring shape into which the distal end of the finger extending from the palm mounted on the holder 15 is fitted. Finger grip 21 is swivelably coupled to link 25 by grip pin 23. Here, although not shown as another embodiment of the finger grip 21, a band-like band, such as a band-aid, is inserted into the button-shaped fasteners which are locked to each other, and may have a configuration in which the band is wrapped around the distal end of the finger. .

The link 25 has a block shape, one end of the finger grip 21 is swivelably coupled by the grip pin 23, the other end is rollable to the rail groove 35 of the guide 31 to be described later A plurality of rollers 29 to be coupled to each other is provided. In addition, the other end of the link 25 is swivelably coupled to the driving rod 63 to be described later by the link pin 27.

The guide 31 is opposed to each other with the link 25 interposed therebetween, and is erected on the base 10, and consists of a pair of plate-shaped guide plates 33. Each guide plate 33 is formed with an arc-shaped rail groove 35 having a predetermined length corresponding to the rotational trajectory of the finger. A plurality of rollers 29 provided in the link 25 are rollably coupled to the rail groove 35 of each guide plate 33, so that the link 25 is connected to the base 10 along the rail groove 35. It is reciprocated in the vertical direction.

Meanwhile, one end of the guide 31 is pivotally supported by the guide support 37, and the other end is supported by the tilting angle adjusting part 45.

The guide support 37 connects a pair of guide brackets 39 supported on the base 10 and a pair of guide brackets 39, and a first guide on which one end of the guide 31 is pivotally supported. And pin 41.

The tilting angle adjusting part 45 pivotally supports the other end of the guide 31. The tilting angle of the guide 31 relative to the base 10 is adjusted.

The tilting angle adjuster 45 includes a first post 47, a second post 53, and a post fixture 59.

The first post 47 has a rod shape having a predetermined length, and the other end of the guide 31 is pivotally supported by the second guide pin 49 at one end of the first post 47. In addition, a plurality of fitting holes 51 are formed on the outer circumference of the first post 47 at intervals along the longitudinal direction of the first post 47.

The second post 53 has a hollow rod shape having a predetermined length, and the first post 47 is telescopically fitted. One end of the second post 53 is pivotally supported on the base 10 by a third guide pin 55. A communication hole (not shown) that selectively communicates with the plurality of fitting holes 51 of the first post 47 is formed on the outer circumference of the second post 53. Here, in consideration of the turning of the guide 31, the second post 53 is more inclined from the bottom surface of the base 10 toward the link driver 61.

The post fixture 59 is coupled to any one of the communication hole of the second post 53 and the plurality of fitting holes 51 of the first post 47 to connect the second post 53 and the first post 47. Fix it.

Thus, the first post 47 is spaced apart from or overlapped with the second post 53, and the overall length of the first post and the second post 53 is adjusted to a desired length, and then the second post 53 By fixing the post hole 59 to the fitting hole 51 of the first post 47 communicating with the communication hole, the guide 31 can be tilted in the up and down direction of the base 10 with respect to the bottom surface of the base 10. It becomes possible.

Thus, for example, since the lengths of the fingers are generally different in the case of the middle finger and the holding, the radius of the rotation trajectory of the link 25 on which the finger grip 21 is held is the link in which the finger grip 21 is stopped. The finger grip 21 which stops the tilting angle of the guide 31 corresponding to the link 25 with which the finger grip 21 which is relatively small compared with the rotation trajectory radius of 25 is mounted is mounted. By forming larger than the tilting angle of the guide 31 corresponding to the broken link 25, the holding and stopping can be rehabilitated without difficulty.

The link driver 61 reciprocates the link 25 along the rail groove 35 of the guide 31, and includes a drive rod 63 and an actuator 65.

The drive rod 63 pivotally supports the link 25.

The actuator 65 is disposed behind the drive rod 63 to lengthen and shorten the drive rod 63. In this embodiment, a linear motor is provided. Here, instead of the linear motor as the actuator 65, a piston or cylinder mechanism which operates by hydraulic pressure or pneumatic pressure may be provided.

On the other hand, the actuator 65 is pivotally supported on the base 10 by the actuator support 67.

The actuator support part 67 is provided with the actuator bracket 69 provided between the actuator 65 and the base 10, and the actuator support pin 71 which pivotally supports the actuator 65 to the actuator bracket 69. As shown in FIG.

In addition, the finger movement device 1 according to an embodiment of the present invention further includes a load measuring sensor 75 for measuring the load transmitted through the actuator (65). The load measuring sensor 75 is supported by the load measuring sensor bracket 77 installed in the base 10, and detects the force transmitted through the actuator 65 to drive the corresponding actuator 65 through a control unit (not shown). Help control your finger rehabilitation exercises. Here, a load cell may be applied as an example of the load measuring sensor 75.

On the other hand, in the finger exercise device 1 according to an embodiment of the present invention, four finger exercise units 20 are arranged side by side parallel to the base 10 so as to exercise the index finger, middle finger, ring finger, and the hand. One finger exercise unit 20 'capable of exercising the thumb of the right hand is provided on one side of the four finger exercise units 20. Here, although not shown, an additional finger exercise unit capable of exercising the thumb of the left hand may be provided on the other side of the four finger exercise unit 20 to selectively rehabilitate each thumb of the left or right hand.

On the other hand, the guide 31 of the thumb exercise unit 20 'for exercising the thumb is installed in the base 10 so that the rail groove 35 faces the plate surface of the base 10, and the link 25 is the base. It reciprocates in parallel with (10). In addition, one end of the guide 31 of the thumb exercise unit 20 ′ is supported by the auxiliary bracket 81, and the auxiliary bracket 81 is erected on the base 10 by the first bracket fastener 85. Fixed to the support bracket 87. On the other hand, in the auxiliary bracket 81, the auxiliary slot 83 for adjusting the fixing height with the support bracket 87 is formed through the rectangular cross-sectional shape in the vertical direction of the base 10.

Thus, by adjusting the height of the guide 31 from the base 10 corresponding to the size and shape of the user's various thumb, it is possible to rehabilitation of the thumb.

In addition, a pair of through holes (not shown) are formed in the support bracket 87, and a plurality of coupling holes 91 selectively communicating with the through holes of the support bracket 87 are formed at the bottom surface of the base 10. It is formed at intervals along the longitudinal direction of the base 10.

As a result, the support bracket 87 is moved along the longitudinal direction of the base 10, and the through-hole of the support bracket 87 is moved to any one of the plurality of coupling holes 91 of the base 10. By coupling to 93, it is possible to variably adjust the position of the support bracket 87 relative to the base 10, it is possible to correspond to various lengths of the thumb.

By such a configuration, a process of rehabilitation of the finger using the finger exercise device 1 according to an embodiment of the present invention will be described.

Prior to the description, since the finger exercise device 1 according to an embodiment of the present invention has each finger exercise unit 20 corresponding to the thumb, the index finger, the middle finger, the ring finger, and the hand, the following components are representatively described below. An operation process of one finger exercise unit 20 will be described. However, the thumb exercise unit 20 'for the thumb has the same components as each finger exercise unit 20 corresponding to the index finger, middle finger, ring finger, and the hand, but the operation process of the rehabilitation exercise will be described separately. .

First, the process of rehabilitation of the index finger, middle finger, ring finger, and the arm using the finger exercise device 1 according to an embodiment of the present invention will be described.

As shown in Figures 2 and 3, the user mounts the palm on the holder 15, at the same time, extends the finger to the finger grip 21.

At this time, keep your palms and fingers unfolded. In addition, the drive rod 63 supports the link 25 in a state where the length thereof is extended.

Subsequently, when the user applies a force to bend the finger caught by the finger grip 21, the force generated from the finger grip 21 is transmitted through the link 25, the guide 31, the driving rod 63, and the actuator 65. It is transmitted to the load measuring sensor (75).

By the force measured by the load measuring sensor 75, the control unit drives the actuator 65 so that the driving rod 63 is reduced in length.

As the actuator 65 drives, the link 25 moves along the rail groove 35 of the guide 31 toward the actuator 65 while pivoting in one direction, and at the same time, the finger grip 21 also has a base 10. Swivel toward), while each node of the finger caught in the finger grip 21 is articulated, the distal end of the finger moves along the rotational trajectory of the rail groove 35 of the guide 31, and in FIGS. 4 and 5. As shown, the fingers are bent.

When the actuator 65 is driven so that the driving rod 63 is elongated after a certain time, the link 25 is pivoted in the other direction and the actuator 65 is rotated along the rail groove 35 of the guide 31. While moving in the opposite direction of, the finger grip 21 also swivels upwards of the base 10 so that the bent finger is slowly extended and the link 25 and the finger grip 21 return to their original positions. .

In this way, by the driving force of the actuator 65 of the link driving unit 61, the user is able to rehabilitate the finger by repeating the bending and spreading of each finger.

In addition, the process of rehabilitation of the thumb using the finger exercise device 1 according to an embodiment of the present invention will be described.

As shown in FIGS. 6 and 7, the palm is mounted on the holder 15 and the thumb is held on the finger grip 21.

At this time, the palm and the thumb to keep the state unfolded. In addition, the driving rod 63 supports the link 25 in a reduced length.

Then, when the user applies a force to bend the thumb caught in the finger grip 21, the force generated from the finger grip 21 is transmitted through the link 25, the guide 31, the driving rod 63, and the actuator 65. It is transmitted to the load measuring sensor (75).

By the force measured by the load measuring sensor 75, the control unit drives the actuator 65 so that the drive rod 63 is reduced in length.

As the actuator 65 drives, the link 25 moves toward the index finger along the rail groove 35 of the guide 31 while turning in one direction, and the finger grip 21 also swivels toward the index finger, As each node of the thumb caught in the finger grip 21 is articulated, the distal end of the thumb moves along the rotational trajectory of the rail groove 35 of the guide 31. As shown in FIGS. Will bend.

After the predetermined time has elapsed, when the actuator 65 is driven to reduce the driving rod 63, the link 25 moves to move away from the index along the rail groove 35 of the guide 31 while turning in the other direction. At the same time, the finger grip 21 is also swivel so as to be spaced apart from the index finger so that the bent thumb is gradually extended and the link 25 and the finger grip 21 are returned to their original positions.

In this manner, by the driving force of the actuator 65 of the link driving unit 61, the user can bend and extend the thumb, thereby rehabilitation of the thumb.

Here, in the present embodiment, the actuator 65 is driven by the measurement of the load measuring sensor 75, but the movement of the finger is described. However, the present invention is not limited thereto. As described above, the actuator 65 may be driven to perform a finger movement.

On the other hand, the finger exercise device 1 according to an embodiment of the present invention, as shown in Figure 3, further comprises a height adjustment unit 101 for adjusting the height of the holder 15 from the base 10 .

The cradle height adjusting unit 101 includes a cradle bracket 103, a height adjusting slot 105, a height adjusting through hole 107, and a height adjusting knob 109.

The cradle bracket 103 is erected on the base 10 so that four finger movement units 20 arranged in parallel with the base 10 penetrate therethrough, and the cradle 15 is provided to be liftable.

Height-adjusting slot 105 is formed through the plate surface of the bracket bracket 103 in the rectangular cross-sectional shape along the lifting direction of the holder (15).

The height adjustment through hole 107 is formed in the cross-sectional shape of the circular cross section in the holder 15 so as to communicate with the height adjustment slot 105 of the holder bracket (103).

The height adjustment knob 109 is coupled to the height adjustment slot 105 and the height adjustment through-hole 107 to fix the bracket bracket 103 and the holder 15.

As a result, the size and shape of the user's hands may be adjusted to adjust the height of the holder 15 from the base 10, thereby rehabilitation of the finger.

Thus, according to the present invention, by modularizing the finger movement unit for directly moving the finger, the structure is simple, easy to assemble, there is no concentration of stress, there is no risk of damage during use, restrain each node of the finger Rehabilitation exercises can be performed without doing so, and convenience can be improved.

In addition, since the position of the holder on which the palm is mounted can be adjusted, the finger can be rehabilitated regardless of the size and shape of the finger.

Claims

Base;

A cradle provided on the base and to which the palm is mounted; And

It includes a finger exercise unit for moving a finger extending from the palm mounted on the cradle,

The finger exercise unit,

A finger grip on which the finger extended from the palm mounted on the cradle is caught;

A link to which the finger grip is swivelably coupled;

A guide having an arc-shaped rail groove formed corresponding to a rotational trajectory of a finger and guiding reciprocating movement of the link movably coupled to the rail groove; And

And a link driver for reciprocating the link along the rail groove of the guide.
The method of claim 1,

The link driving unit,

A drive rod coupled to the link; And

And an actuator for lengthening and lengthening the drive rod.
The method of claim 2,

And an actuator support for pivotally supporting the actuator on the base.
The method of claim 2,

Finger movement device further comprises a load measuring sensor for measuring the load transmitted through the actuator.
The method of claim 1,

And a guide support for pivotally supporting the guide to the base.
The method of claim 5,

Further comprising a tilting angle adjusting unit for adjusting the tilting angle of the guide relative to the base, finger movement device.
The method of claim 6,

The tilting angle adjusting unit,

A first post having one end pivotally supported by the guide and having a plurality of fitting holes at intervals along the longitudinal direction;

A second post forming a communication hole selectively communicating with the plurality of fitting holes, the second post being fitted to the first post and pivotally supported by the base; And

And a post fixture coupled to any one of the communication holes of the second post and the plurality of fitting holes of the first post to secure the second post and the first post.
The method of claim 1,

The finger exercise unit is provided in plural, the plurality of finger exercise unit is disposed in parallel to the base, the finger exercise device.
The method of claim 1,

The finger movement unit is provided with two or more, any one of the two or more finger movement unit is provided so that the corresponding link is reciprocating in parallel to the base, the remaining finger movement unit is the link to the base Finger movement device is provided so as to reciprocate in the vertical direction.
The method of claim 1,

Finger movement device further comprises a height adjustment unit for adjusting the height of the holder from the base.
The method of claim 10,

The cradle height adjustment unit,

A mounting bracket that stands on the base and is provided to be liftable;

A height adjusting slot formed through a plate surface of the cradle bracket along a lifting direction of the cradle;

A height adjusting through hole formed through the cradle so as to communicate with the height adjusting slot; And

And a height adjustment knob coupled to the height adjustment slot and the height adjustment through hole to fix the holder bracket and the holder.