JP3720323B2 - Standing assist device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stand-up assisting device that raises and maintains an upright state of a person who needs to be seated in order to change clothes of a person who needs to sit in a wheelchair, for example, when taking a bath. .
[0002]
[Prior art]
In general, when a person requiring assistance sitting in a wheelchair who has difficulty in standing by himself / herself is changing clothes or changing wheelchairs, the person who needs assistance is required to assist in getting up from the wheelchair and to stand up. Assistance for maintaining the state and assistance for detaching clothes and changing wheelchairs are required. Conventionally, all of these assistances have been performed by a caregiver, and the caregiver lifts the upper body of the person in need, raises the person in need from the wheelchair, and supports the body of the person in need of standing. While maintaining the above, the garment of the person requiring assistance is removed and the wheelchair is replaced.
[0003]
In recent years, in order to reduce the burden on the caregiver, an auxiliary device is provided for the helper to stand up from the wheelchair or the bed. This auxiliary device has a column that is rotated in a vertical direction by a tilting mechanism on a turntable that rotates in a horizontal direction, and a pad portion on which an abdomen of a person requiring assistance is placed at the upper end of the column. It is. According to this auxiliary device, the column is rotated in a circular arc, the pad portion is arranged on the abdomen of the person requiring assistance, the body of the person requiring assistance is bent forward, the abdomen of the person requiring assistance is placed on the pad part, and assistance is required on the pad part. The support person's waist can be lifted by activating the support column with the person's weight placed (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-192346 (2nd page, FIG. 7)
[0005]
[Problems to be solved by the invention]
However, according to the above-described method in which the conventional assistant supports the body of the person requiring assistance, the burden on the assistant is large and two assistants must be attached to one person requiring assistance. For this reason, in home nursing, etc., there are many cases where the caregiver is elderly or a single caregiver, so it is not possible to change the person requiring assistance or change wheelchairs. There is a problem that can not be.
[0006]
In addition, according to the conventional auxiliary device described above, the burden on the caregiver is reduced, but the pad portion on which the abdomen of the care recipient is placed moves in an arc upward obliquely by the arc rotation of the column. This circular movement of the pad portion has a problem in that the abdomen of the person requiring assistance is compressed and uncomfortable for the person requiring assistance because there is a deviation from the movement of the person requiring assistance when the person requiring assistance stands up. Moreover, since the projection point of the body center of gravity of the person requiring assistance is behind the foot at the moment when the buttocks of the person requiring assistance leaves the seat of the wheelchair, there is a problem that the burden on the person requiring assistance is large.
[0007]
The present invention takes the above-described conventional problems into consideration, reduces the burden on the caregiver when raising the person who needs to sit in the wheelchair and maintaining the standing state, and requires the person who needs assistance The purpose is to alleviate the burden on the person who needs help when getting up.
[0008]
[Means for Solving the Problems]
According to the first aspect of the present invention, the standing assistance that supports the body of a person who needs to be seated on a wheelchair placed on the base plate, makes the person who needs assistance stand up from the sitting state, and maintains the standing state. In the apparatus, a support frame is erected, and the support frame is provided with a rail member that extends obliquely upward from the side of the wheelchair placed on the platform , and the rail member is provided with the first drive mechanism. A moving member that moves along the rail member is attached, and a pad portion that supports the body of the person requiring assistance is attached to the moving member, and the wheelchair is placed below the pad portion and by a second driving mechanism. It is characterized in that a platform that is raised rearward and tilted forward is provided.
[0009]
Due to such a feature, the pad portion supporting the body of the person requiring assistance moves straight upward in an oblique direction, and therefore the body of the person requiring assistance is pushed up by the straight movement of the pad portion obliquely upward. Further, since the platform on which the wheelchair is placed is tilted forward, the body of the person requiring assistance sitting on the wheelchair is inclined forward, and the body center of gravity of the person requiring assistance moves forward.
[0010]
According to a second aspect of the present invention, in the standing assistance device according to the first aspect, the pad portion is provided with a third drive mechanism for rotating the pad portion in the vertical direction.
[0011]
With such a feature, the body of the person requiring assistance is pushed upward by the rotational force of the pad portion in the vertical direction.
[0012]
According to a third aspect of the present invention, in the stand-up assisting device according to the first or second aspect, the second drive mechanism is disposed above the platform and is rotated by an actuator, and the sprocket is wound around the sprocket. And a chain having one end connected to the rear portion of the platform and the other end connected to the biasing member.
[0013]
With this feature, when the actuator is operated, the sprocket rotates, the chain wound around the sprocket moves, the rear part of the base connected to the chain rises, and the base tilts forward.
[0014]
According to a fourth aspect of the present invention, in the standing assisting apparatus according to any one of the first to third aspects, the pad portion is cantilevered by a support rod extending from the moving member.
[0015]
With such a feature, a support frame, a rail member, a moving member, and the like are provided on one side of the pad portion, and an open space is secured on the other side.
[0016]
According to a fifth aspect of the present invention, in the stand-up assisting device according to any one of the first to fourth aspects, the pad portion has a circular cross-sectional shape at the center portion and flat upper surfaces at both side portions. It is said.
[0017]
Due to such a feature, the body part of the person requiring assistance is brought into contact with the pad part having an arc shape in cross section, and the arm of the person requiring assistance is placed on the flat upper surfaces of both sides of the pad part.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a standing assistance apparatus according to the present invention will be described with reference to the drawings. In this embodiment, in order to take off the clothes of the person requiring assistance sitting in the wheelchair for normal use and to change the person requiring assistance from the wheelchair for normal use to the wheelchair for bathing, the person requiring assistance is raised from the wheelchair, A case where the standing state is maintained will be described.
[0019]
As shown in FIGS. 1 and 2, the base frame 1 is bent at 90 degrees with a square steel pipe member 1 a having a rectangular cross-sectional shape and an end surface abutting against one side surface of the square steel pipe member 1 a. The cross-sectional shape is a square steel pipe member 1b having a square shape.
[0020]
As shown in FIG. 3, a plurality of leg members 3 extending vertically downward are provided on the lower surface of the base frame 1. A support frame 4 is erected on the upper surface of the rectangular steel pipe member 1a having a rectangular cross-sectional shape. The support frame 4 includes a column member 4a that is vertically provided on the upper surface of one end of the square steel pipe member 1b, and a column member 4b that is vertically provided on the upper surface of the other end and is shorter than the column member 4a. ing.
[0021]
Between the upper part of one support member 4a and the upper part of the other support member 4b, a rail member 5 extending obliquely upward from the wheelchair side mounted on a platform 15 described later is installed. A track member 6 is provided on the upper surface of the rail member 5 along the axial direction of the rail member 5.
[0022]
As shown in FIGS. 3 and 4, the rail member 5 is provided with a moving member 7 made of sheet metal or the like processed so as to face the upper surface and both side surfaces of the rail member 5, respectively. It is moved along the rail member 5 by one drive mechanism 8. A sliding member 9 is provided on the inner surface of the moving member 7 so as to be hooked on the track member 6 and slide on the track member 6. Two rollers 10 facing the side surface of the rail member 5 are attached to one side surface portion of the moving member 7, and a vertical support rod 11 extending upward is fixed.
[0023]
As shown in FIG. 4, one end of a hollow cylindrical horizontal support rod 12 extending in the direction orthogonal to the moving direction of the moving member 7 and extending in the horizontal direction is fixed to the upper end of the vertical support rod 11. A pad portion 13 that supports the body of the person requiring assistance is rotatably attached to the other end portion of the horizontal support rod 12, and the pad portion 13 is rotated in the vertical direction by the third drive mechanism 14. The pad portion 13 includes a pad main body 13a that supports the body of the person requiring assistance whose cross-sectional shape is an arc shape, and an arm of the person requiring assistance that is provided on both sides of the pad main body 13a and has a flat upper surface. It comprises an arm pad 13b for mounting and a round bar member 13c attached to the lower side of the pad main body 13a and having one end rotatably attached to the horizontal support rod 12.
[0024]
As shown in FIG. 3, a rectangular platform 15 on which the wheelchair is placed is provided below the pad portion 13, and the rear portion of the platform 15 is lifted by the second drive mechanism 16. As shown in FIGS. 2 and 3, a convex surface portion 15 a extending in parallel with the moving direction of the moving member 7 is formed in the center portion of the base plate 15, and the moving direction of the moving member 7 is formed on both sides of the convex surface 15 portion a. A concave surface portion 15b extending in parallel is formed. A round bar-shaped core member 17 extending in a direction orthogonal to the moving direction of the moving member 7 is provided on the front end surface of the base plate 15. At both ends of the core member 17, a columnar member 18 having a through hole at the center and a support plate 19 suspended from the lower surfaces of the square steel pipe members 1a and 1b and having a through hole at the lower end are respectively rotatable. It is attached. As shown in FIGS. 1 and 3, a boarding plate 20 is attached to the rear end portion of the concave surface portion 15 b of the base plate 15 so as to be rotatable in the vertical direction.
[0025]
On the other hand, the 1st actuator 21 is installed in the upper surface of the rear part of square steel pipe member 1a. The first actuator 21 is provided with a first sprocket 22 that is rotated by the first actuator 21. The first sprocket 22 is disposed in the lower end direction of the rail member 5. In the upper end direction of the rail member 5, a second sprocket 23 attached to the upper outer surface of the one column member 4 a is disposed. A chain 24 is wound around the first sprocket 22 and the second sprocket 23, and both ends of the chain 24 are respectively attached to attachment portions 25 provided on the other side surface portion of the moving member 7 shown in FIG. ing. The first actuator 21, the first sprocket 22, the second sprocket 23, and the chain 24 constitute a first drive mechanism 8 for moving the moving member 7.
[0026]
Moreover, the 2nd actuator 26 is installed in the upper surface of the intermediate part of the square steel pipe member 1a. The second actuator 26 is provided with a third sprocket 27 that is rotated by the second actuator 26. A fourth sprocket 28 is disposed obliquely above the third sprocket 27, and the fourth sprocket 28 is attached on a pedestal member 29 attached to the upper portion of the other support member 4b.
[0027]
A chain 30 is wound around the third sprocket 27 and the fourth sprocket 28, and one end of the chain 30 is connected to a mounting portion 31 fixed to the rear side surface of the base 15, and the other end is the other. The urging member 32 is attached to the side surface of the column member 4b. The urging member 32 urges the other end of the chain 30 in the right direction in FIG. 3, and is composed of, for example, a spiral spring in which elastic steel is thinly elongated and wound in a spiral shape. The second actuator 26, the third sprocket 27, the fourth sprocket 28, the chain 30, and the urging member 32 constitute the second drive mechanism 16 that lifts the rear portion of the base 15.
[0028]
As shown in FIG. 4, a third actuator 33 is attached below the pad portion 13. A primary rotating member 34 made of, for example, a gear that is rotated in the vertical direction by the third actuator 33 is attached to the third actuator 33, and is engaged with the rotation of the primary rotating member 34 above the primary rotating member 34. A secondary rotating member 5 made of, for example, a gear that rotates in the vertical direction is arranged. The secondary rotating member 35 is fixed to the other end surface of the round bar member 13c. The third actuator 33, the primary rotating member 34, and the secondary rotating member 35 constitute the third drive mechanism 14 that rotates the pad portion 13 in the vertical direction.
[0029]
As shown in FIG. 3, the first actuator 21, the second actuator 26, and the third actuator 33 described above are connected to an operation panel (not shown) via a control panel (not shown). Further, a central column member 36 whose upper end is bent 90 degrees rearward is erected on the upper surface of the square steel pipe member 1b located in front of the base plate 15, and the upper end surface of the central column member 36 requires assistance. A knee pad 37 for contacting the both knees of the person is attached in a slightly inclined state. In addition, a footrest base 38 for placing a person who needs assistance is provided below the knee pad 37. A wheel stopper 39 is provided on the concave surface portion 15b behind the footrest base 38 and in front of the base plate 15. Is provided.
[0030]
Next, a description will be given of a method for raising a person who needs assistance sitting in a wheelchair while using the standing assist device having the above-described configuration and maintaining the standing state.
[0031]
First, the rear end of the board 20 is tilted rearward so that it touches the floor, and the wheelchair on which the person requiring assistance is seated is moved along the concave part 15b from the board 20 and moved onto the base plate 15. Let After the wheelchair wheel comes into contact with the wheel stopper 39 and the wheelchair is placed at a predetermined position, the board 20 is rotated and tilted forward. The wheel stopper 39 and the boarding plate 20 regulate the forward and backward movement of the wheelchair.
[0032]
Next, the pad section 13 is disposed in front of the person requiring assistance by operating the operation panel (not shown) to activate the first actuator 21 and moving the moving member 7. Further, an operation panel (not shown) is operated to activate the third actuator 33 and tilt the pad portion 13 toward the person requiring assistance. At this time, the foot of the person requiring assistance is replaced on the footrest 38 from the step of the wheelchair, both arms of the person requiring assistance are placed on the arm pad 13b shown in FIG. 4, and the body part of the person requiring assistance is placed on the pad main body 13a. In addition, the upper body of the person requiring assistance is placed on the pad portion 13.
[0033]
Next, an operation panel (not shown) is operated to operate the first actuator 21 to rotate the first sprocket 22, and the second actuator 26 is operated to rotate the third sprocket 27. The third actuator 33 is operated to rotate the primary rotating member 34.
[0034]
The chain 24 moves in the direction of the black arrow by the rotation of the first sprocket 22, and the moving member 7 attached to both ends of the chain 24 moves to the rail member 5 between the first sprocket 22 and the second sprocket 23. Along the diagonally upward direction. The pad portion 13 connected to the moving member 7 via the vertical support rod 11 and the horizontal support rod 12 shown in FIG. 4 moves straight upward in the oblique direction as the moving member 7 moves. Further, the rotation of the third sprocket 27 causes the chain 30 to move in the direction of the white arrow, pulling up the rear part of the base 15 connected to one end of the chain 30 via the attachment member 31. The base plate 15 with the rear portion pulled up tilts forward by rotating in a vertical arc around the core member 17 provided at the front portion. The base 15 is tilted in a state where the wheelchair is placed up to an inclination angle of about 20 degrees. Further, the rotation of the primary rotation member 34 causes the secondary rotation member 35 to rotate in the direction of the dashed arrow, and the pad portion 13 fixed to the secondary rotation member 35 rotates in the vertical direction.
[0035]
The pad portion 13 on which the person requiring assistance sitting in the wheelchair has placed his body moves diagonally upward to the vicinity of the center of the rail member 5 and rotates in the vertical direction to lift the waist of the person requiring assistance. The platform 15 on which the wheelchair on which the person is seated is tilted forward to an inclination angle of about 20 degrees, and the body of the person requiring assistance is tilted obliquely. At this time, both knees of the person requiring assistance abut on the knee pad 37.
[0036]
Subsequently, the first actuator 21 and the third actuator 33 are operated to move the pad portion 13 obliquely upward and rotate in the vertical direction. While both knees of the person requiring assistance are in contact with the knee pad 37, the body of the person requiring assistance pushes up obliquely upward to raise the person requiring assistance. At this time, the assistant stands on the opposite side of the support frame 4 with the assistant in need, and assists the assistant so that the assistant does not fall sideways or backward. The body of the person in need of standing is supported by the pad portion 13, and both knees of the person in need of assistance are supported by the knee pad 37 to hold the person in need of standing.
[0037]
Next, an operation panel (not shown) is operated to operate the second actuator 26, and the third sprocket 27 is reversely rotated to return the platform 15 tilted forward to a horizontal position. Further, the boarding plate 20 is inclined rearward so that the rear end portion of the boarding plate 20 is in contact with the floor surface. Next, the assistant removes the clothes of the assistant requiring maintenance in the standing posture and replaces the normal wheelchair placed on the base plate 15 with a bathing wheelchair.
[0038]
After changing the clothes, the operation panel (not shown) is operated to operate the second actuator 26 and rotate the third sprocket 27. By rotating the third sprocket 27, the base 15 is inclined forward, and the bathing wheelchair is inclined forward. Moreover, the boarding board 20 is inclined forward.
[0039]
Next, an operation panel (not shown) is operated to operate the first actuator 21 and the third actuator 33, and the first sprocket 22 and the primary rotating member 34 are rotated in reverse. Accordingly, the moving member 7 moves from the upper end of the rail member 5 to the vicinity of the center. The pad portion 13 that moves in accordance with the movement of the moving member 7 is seated on a wheelchair that rotates in the vertical direction and moves obliquely downward while supporting the body of the person requiring assistance, and tilts the person requiring assistance forward. Let
[0040]
Subsequently, the first actuator 21 and the third actuator 33 are actuated to move and rotate the pad portion 13 obliquely downward, and the second actuator 26 is actuated to reversely rotate the third sprocket 27 to move forward. The base plate 15 inclined to the horizontal position is returned to the horizontal position. After the platform 15 becomes horizontal, the boarding board 20 is tilted rearward so that the rear end of the boarding board 20 is in contact with the floor surface, and the bathing wheelchair on which the person requiring assistance is seated is moved.
[0041]
According to the above-described standing assist device, the pad portion 11 that supports the body of the person requiring assistance moves straight upward and rotates in the vertical direction, so that the person requiring assistance in the sitting state stands up smoothly. This makes it possible to stand up without causing discomfort to the person requiring assistance without pressing the abdomen of the person requiring assistance.
[0042]
Further, since the platform 15 on which the wheelchair is placed is tilted forward, the body of the person requiring assistance sitting in the wheelchair is inclined forward, and the body center of gravity of the person requiring assistance moves forward. As a result, it is possible to reduce the burden on the person requiring assistance at the moment when the buttocks of the person requiring assistance leaves the seat of the wheelchair.
[0043]
Moreover, since the pad part 13 is cantilever-supported by the support frame 4, a caregiver can assist by standing beside a helper. Moreover, since the pad main body 13a that supports the body part of the person requiring assistance has an arc shape in cross section, the person who needs assistance does not hit the corner and feel uncomfortable when the pad part 13 rotates. Further, by placing the arm of the person requiring assistance on the arm pad 13b, it is possible to reduce the burden on the body part of the person requiring assistance.
[0044]
As mentioned above, although embodiment of the standing assistance apparatus concerning this invention was described, this invention is not limited to above-described embodiment, As long as it does not deviate from the meaning, it can change suitably. For example, in the present embodiment, a moving member 7 that moves along the rail member 5 is attached to one rail member 5, but the rail member 5 includes an upper rail member 5 a and a lower rail member 5 b. The moving member 7 may be attached across the upper rail member 5a and the lower rail member 5b.
[0045]
In the embodiment, the second drive mechanism 16 uses the actuator 26 that rotates the third sprocket 27 in order to move the chain 30, but the third sprocket 27 is omitted and the fourth sprocket 27 is used. An actuator that rotates the sprocket 28 may be used.
[0046]
Further, in the embodiment, the helper stands on the opposite side of the support frame 4 with the helper in between, and assists the helper so that the helper does not slide sideways. A holder that supports the body part from the rear and the side may be installed so that the person requiring assistance does not fall sideways or rearward. Further, a handle may be installed in front of the pad portion 13 so that a person requiring assistance grasps the handle to prevent falling and assist when standing up.
[0047]
Furthermore, in the embodiment, the support frame 4 erected on the base frame 1 is composed of the support member 4a and the support member 4b. However, the support frame 4 may be a plate-like support. . Further, although the support frame 4 is erected on the base frame 1, it may be fixed to the floor, wall or ceiling, and in this case, the base frame 1 can be omitted.
[0048]
【The invention's effect】
According to the standing assistance apparatus according to the present invention, the pad portion moves obliquely upward while supporting the body of the person requiring assistance, so that the person requiring assistance can be smoothly raised from the sitting state and the standing posture can be raised. It can be held and the burden on the caregiver can be reduced. In addition, the pad part that supports the body of the person requiring assistance can move up diagonally upward so that the pad part does not press the abdomen of the person requiring assistance and can stand up so as not to cause discomfort to the person requiring assistance. it can. Furthermore, because the platform on which the wheelchair is placed is tilted forward, the body of the person requiring assistance sitting in the wheelchair tilts forward, and the projection point of the body gravity center of the person requiring assistance moves forward. The burden on the person who needs assistance can be reduced when standing up.
[Brief description of the drawings]
FIG. 1 is a plan view for explaining an embodiment of a standing assistance device according to the present invention.
FIG. 2 is a front view for explaining an embodiment of the standing assistance device according to the present invention.
FIG. 3 is a side view for explaining an embodiment of the standing assistance device according to the present invention.
FIG. 4 is a partial cross-sectional view for explaining an embodiment of the standing assistance device according to the present invention.
FIG. 5 is a use state diagram illustrating an embodiment of the standing assistance device according to the present invention.
[Explanation of symbols]
4 Support frame 5 Rail member 7 Moving member 8 First drive mechanism 11 Vertical support rod (support rod)
12 Horizontal support rod (support rod)
13 Pad 14 Third drive mechanism 15 Base 16 Second drive mechanism 26 Second actuator (actuator)
27 Third sprocket (sprocket)
28 4th sprocket
30 chain

Claims (5)

In a standing assistance device that supports the body of a person who needs to be seated on a wheelchair placed on a base plate, makes the person who needs assistance rise from a seated state, and maintains the standing state,
A support frame is erected, and the support frame is provided with a rail member extending obliquely upward from a wheelchair side mounted on the platform , and the rail member is attached to the rail member by a first drive mechanism. A moving member is attached to the moving member, and a pad portion for supporting the body of the care recipient is attached to the moving member. The wheelchair is placed below the pad portion and the rear is raised by a second driving mechanism. by standing aid, characterized in that said base block is inclined forward is provided. In the standing assistance apparatus according to claim 1,
The stand assisting device, wherein the pad portion is provided with a third drive mechanism for rotating the pad portion in the vertical direction. In the standing assistance apparatus according to claim 1 or 2,
The second drive mechanism includes a sprocket disposed above the platform and rotated by an actuator, wound around the sprocket and connected at one end to the rear portion of the platform, and the other end as a biasing member. A stand-up assisting device comprising a chain connected thereto. In the standing assistance apparatus in any one of Claim 1 to 3,
The stand assisting device, wherein the pad portion is cantilevered by a support rod extending from the moving member. In the standing assistance apparatus in any one of Claim 1 to 4,
The pad portion has an arcuate cross-section at the center, and the upper surfaces of both sides are flat.

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