JP2002095703A - Assistant instrument for standing up - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assistant instrument for standing up, which reduces the load of a helper, does not need a pole or the like on the periphery of a bed and has a drive part and supporting face at a low position. SOLUTION: A patient moves from his mattress beside this assistant instrument for standing up there into, and press the switch (not shown in Fig.)to operate the drive part 2, and an actuator 13. Thereby a wire 11, is pulled, and the frame 8 of back rest part is raised by the wire 11 hung on the plurality of pulleys which are equipped inside the supporting face (flame 8 for back, divided block 6, waist frame 5, divided block 4 and leg frame 3) from the pulley 12e. At the same time, the screw jack 10 is operated by a motor 9 to push up the back leg part 7 forward, and bring upward a waist frame 5 linked with a support 18. Each of two divided blocks 6, and 4 become a joint, and thus the instrument becomes like a chair having an S shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for assisting a patient or a person with a disability to stand up, and more particularly to a stool capable of shifting from a lying position to a standing position for a patient or a person having difficulty standing up by himself. The present invention relates to a start-up assist device that assists in shifting a posture to a state.

[0002]

2. Description of the Related Art When it is difficult for a patient or a disabled person to stand up on their own, when a caregiver assists standing alone,
Place one knee on the ground on one side of the patient, put the left and right arms under the patient's back and hips, support the body with both hands around the caregiver's neck, lift the patient, raise the weight of the patient The side-by-side method of standing up and gently standing up from the knees on the ground, the caregiver holding the patient's head up, putting both hands under the patient's armpits in front of the chest, and standing up quietly, When they are two, they stand facing each other on both sides of the patient, one hand on the patient's back and the other hand on their feet, holding them together, and holding the patient's waist and neck. There is a method of starting up quietly by supporting your hand. Also, as a method using nursing aids, a method of laying a mat on the patient, holding the patient with a belt, and raising the patient with the belt from above, or folding the bed where the patient is lying in three The support surface of the
In some cases, the backrest is inclined and rises, and the support surface of the leg is bent in a V shape with respect to the support surface of the waist.

[0003]

Conventionally, the method of erecting a patient or a person with a disability is based on the assistance of a caregiver,
Although the above-described procedure is performed by using the assisting apparatus, if the procedure is performed only with the assistance of the caregiver, there is a problem that the weight of the patient or the disabled is applied to the caregiver, which causes a great burden. In addition, in the case of using the rising assist device, a mechanism for pulling the belt upward is required to perform the lifting operation with the belt, and a column or a ceiling traveling type mechanism must be provided around the bed. There is a problem. When the bed is formed of a three-fold supporting surface, an actuator and a link mechanism are provided below the supporting surface to perform the pushing-up operation by the actuator. There is a problem that it becomes.

[0004] The present invention has been made in view of such circumstances, and reduces the burden on the caregiver, does not require equipment such as columns around the bed, even with the use of assisting equipment. An object of the present invention is to provide a start-up assist device in which a driving unit and a support surface are at a low position.

[0005]

In order to achieve the above-mentioned object, a start-up assisting device according to the present invention includes a support surface for supporting a patient or a disabled person, and a drive mechanism for moving the support surface. In a stand-up assist device that moves the support surface from a horizontal position that supports a disabled person in a lying state near the floor surface to a sitting position that can be shifted to a standing posture,
A structure in which a wire is passed through the support surface, the wire is pulled horizontally by an actuator, and a linked rear foot portion that is pushed up and supported by a screw jack from the rear stands up so that the support surface becomes a chair shape. is there.

Further, in the rising assist device according to the present invention, the joint between the backrest frame and the waist frame, and the waist frame and the leg frame are used for removing the feeling of abdominal compression when the posture is changed. Is configured to bend into a plurality of divided blocks.

According to a first aspect of the present invention, there is provided a rising assist device having an armrest portion for supporting a body when shifting from a sitting state to a standing position or vice versa. It is.

[0008] Further, according to the present invention, there is provided a start-up assisting device, wherein the drive mechanism is provided with a drive mechanism.
The height is set to 0 mm or less so as not to give a feeling of oppression to the patient or the disabled.

[0009] The stand-up assist device of the present invention is constructed as described above, in which a wire is passed through a support surface, the wire is pulled horizontally by an actuator, and a rear foot portion that is linked and pushed up and supported from behind is raised. Thereby, the joints of the backrest frame and the waist frame, and the joints of the waist frame and the leg frame are bent into a plurality of blocks by the divided blocks, thereby forming a chair shape. Then, at the time of the transition from the sitting state to the standing posture or vice versa, the rear foot part rises, so that the foot part becomes an armrest part for supporting the body. Also, the drive mechanism is lowered to a height of 150 mm or less so as not to give a feeling of oppression to the patient or the disabled. Therefore, it is possible to easily assist the patient or the disabled to stand up by lowering the driving unit and the supporting surface without burdening the caregiver.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a start-up assist device according to the present invention will be described with reference to FIGS. FIG. 1 is a diagram in which a rising assist device of the present invention is stored in a horizontal lying position. FIG. 2A is a cross-sectional view of a support surface of the rising assist device, and FIG. 2B is a diagram illustrating an internal structure of the rising assist device. The start-up assist device is a rectangular main frame 1
And a drive unit 2 fixed to the main frame 1 to actuate the actuator 13 to horizontally pull the wire 11 through the wire 17, the anchor 16, the adjustment nut 15, and the pulley 12e, and to operate the screw jack 10 fixed to the main frame 1. A motor 9 for pushing out the foot 7 horizontally and a main frame 1
One side is rotatably supported, and an anchor 14 and a pulley 12b
A leg frame 3 having 12d, a divided block 4 fastened to the joint to bend a plurality of joints, a waist frame 5 fastened to the same, a split block 6 fastened to the joint to bend a plurality of joints, and a fulcrum Hind foot part 7 which is rotatably supported at 18 and whose tip becomes an armrest part 7a when ascending
And the pulleys 12a, 12
c and the wire 1 hung on the pulleys 12a, 12b, 12c, 12d fixed to the anchor 14 and the pulley 12e fixed to the main frame 1.
And 1.

FIG. 3 is a perspective view of the drive mechanism, and its structure will be described with reference to FIGS. 1 and 2 as appropriate. FIG.
Fig. 3 shows a state in which the auxiliary device is formed into a chair and viewed from the back. The drive mechanism has two systems, one of which is provided with a screw jack 10 for driving the rear foot 7 horizontally in the main frame 1 and rotationally connected at a point P to move the rear foot 7 forward. This is a drive system A including a motor 9 to be moved.
Another system includes a backrest frame 8, a divided block 6, a waist frame 5, a divided block 4, and a leg frame 3.
A wire 11 is passed through the inside of a support surface made of a wire, and the tip of the wire 11 is fixed to an anchor 14 provided on the leg frame 3, and a pulley 12 provided on the backrest frame 8
a, pulley 12b provided on leg frame 3, pulley 12c provided on backrest frame 8, leg frame 3
Zigzag sequentially on the pulley 12d provided in the main frame 1, and the pulley 12 provided horizontally in the front corner of the main frame 1.
e, put the wire 11 on the adjustment nut 15, the anchor 1
6, a drive system B including the drive unit 2 that is pulled by the actuator 13 via the wire 17. The motor 9, the screw jack 10, and the rear foot 7 are connected to the waist frame 5.
And a fulcrum 18. The drive mechanism is composed of two systems as described above. One of the systems is provided with a screw jack 10 for driving the rear foot part 7 by the motor 9 in the main frame 1 horizontally, and another system is provided. In one system, the driving unit 2 connects the wire 11 to the actuator 13
Thus, the components of each part can be arranged at a height of 150 mm or less. Therefore, the height is set low so as not to give a feeling of oppression to the patient or the disabled.

FIG. 5 shows a support surface composed of a backrest frame 8, a divided block 6, a waist frame 5, a divided block 4, and a leg frame 3, a pulley 12c (12a) and a pulley 1
2d (12b) and the operating state of the wire 11 are shown. (A)
Shows a state when tension is not applied to the wire 11, and (b) shows a state when tension is applied to the wire 11. The support surface is connected to the backrest frame 8 and the waist frame 5 by a plurality of bent blocks 6, and the waist frame 5 and the leg frame 3 are connected to the plurality of bent blocks 4. The pulleys 12c (12a) and the pulleys 12d (12b)
By pulling the wire 11 hooked on the wire, the distance is reduced and the wire 11 is bent in an S-shape. In this state, the patient or disabled person cannot get up.

In FIG. 6, while tension is applied to the wire 11, the motor 9 is operated to operate the screw jack 10, and the rear foot 7 linked to the waist frame 5 is pushed forward to raise the support surface to the chair. It shows a state where it has begun to operate.
By operating the motor 9 and the screw jack 10 to push the point P of the rear foot 7 horizontally forward,
The fulcrum 18 where the waist frame 5 and the rear foot 7 are linked can be lifted upward to raise the waist frame 5 upward.

FIG. 7 is a cross-sectional view showing a state in which the backrest frame 8 of the support surface of the start-up auxiliary device stands upright. The screw jack 10 is actuated by the motor 9, and the rear foot 7, which is rotationally connected at the point P, pushes the waist frame 5 forward, and the support surface (backrest frame 8, split block 6, waist frame 6) drawn in by the wire 11. 5, the divided block 4, the leg frame 3) becomes S-shaped, and the rear foot 7
Functions as an armrest 7a.

Next, the operation of the rising assist device will be described. The support surface is composed of a backrest frame 8, a divided block 6, a waist frame 5, a divided block 4, and a leg frame 3, and in an initial state, they are parallel to the floor as shown in FIG. The patient or handicapped can move on from the futon beside the stand-up aid. By operating a switch (not shown), a patient or a person with a disability lying on the support surface can change from the lying posture to the standing posture and vice versa. The transition from the lying posture to the standing posture has three stages.

(1) Only the backrest 8 is raised from the reclined state, and FIGS. 8 and 9 show this state. At this stage, by operating the switch, the drive unit 2 is operated, and the wire 11 is connected to the actuator 1 via the wire 17, the anchor 16, and the adjustment nut 15.
At 3, the backrest 8 is raised. At this time, the motor 9 and the rear foot 7 are not operating. (2) This is a stage from the state where the backrest 8 is raised to the shape of a chair, and FIGS. 6, 10 and 11 show the state. At this stage, by operating the switch, the wire 11 is pulled by the actuator 13, and at the same time, the screw jack 10 is operated by the motor 9, the rear foot 7 is moved, and the lumbar frame 5 is lifted by the fulcrum 18.

(3) This is the stage from the chair shape to the standing posture, and FIGS. 12 and 13 show the state. At this stage, by operating the switch, only the motor 9 is operated, the rear foot 7 is pushed forward, and the waist frame 5 is further lifted. At this time, the rear foot part 7 plays the role of a handrail and becomes the armrest part 7a. A series of operations (1) to (3) are continuously performed by the switch. In addition, a feeling of pressure on the abdomen due to a positional shift between the back and the backrest frame 8 of the patient or the disabled, which is generated when the posture changes from the lying state to the sitting state, is alleviated by the large bending radius of the divided block 6. Have been.

[0018]

The rising assist device of the present invention is constructed as described above, and is provided in a support surface including a backrest frame, a plurality of bent blocks, a waist frame, a plurality of bent blocks, and a leg frame. The wire is pulled horizontally by an actuator, the wire is pulled horizontally by an actuator, the support surface is bent into an S-shape by a divided block, and the linked rear foot that is pushed up from behind by a screw jack and supported is raised to form a chair. . And during the transition,
When the rear foot rises, the rear foot becomes an armrest for supporting the body. In addition, the drive mechanism is lowered to a height of 150 mm or less so as not to give a feeling of oppression to the patient or the disabled, so it is extremely thin in a horizontal state and can easily be transferred from the futon. The patient or the handicapped can easily take a self-sustained walking posture without any trouble.

[Brief description of the drawings]

FIG. 1 is a view showing one embodiment of a start-up assist device of the present invention.

FIG. 2 is a diagram showing an internal structure of a rising assist device of the present invention.

FIG. 3 is a view for explaining the start-up of the rear foot of the start-up assist device of the present invention.

FIG. 4 is a view of the stand-up assist device of the present invention as seen from the back side in a standing state.

FIG. 5 is a diagram showing a bending state of the pull-up assist device according to the present invention, which is caused by pulley and wire operations.

FIG. 6 is a view showing a standing state by the operation of a rear foot portion and a wire of the rising assist device of the present invention.

FIG. 7 is a diagram showing a cross-sectional structure of a rising assist device of the present invention in a rising state.

FIG. 8 is a view showing a rising state of a backrest frame of the rising assist device of the present invention.

FIG. 9 is a view showing a state in which a divided block of the rising assist device of the present invention starts to bend.

FIG. 10 is a view showing a state in which the waist frame of the rising assist device of the present invention starts to rise.

FIG. 11 is a view showing a state in which a divided block of the stand-up assist device of the present invention is curved and a leg frame stands up.

FIG. 12 shows a state in which the waist frame of the rising assist device of the present invention is horizontal and the leg frame is vertical.

FIG. 13 is a view showing a state in which the backrest frame of the stand-up assist device of the present invention is vertical and the waist frame is inclined forward.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Main frame 2 ... Drive part 3 ... Leg frame 4 ... Divided block 5 ... Waist frame 6 ... Divided block 7 ... Rear foot 7a ... Armrest part 8 ... Backrest frame 9 ... Motor 10 ... Screw jack 11 ... Wire 12a , 12b, 12c, 12d, 12e ... pulley 13 ... actuator 14 ... anchor 15 ... adjustment nut 16 ... anchor 17 ... wire 18 ... fulcrum

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiroshi Muraoka 1 Nishinokyo Kuwaharacho, Nakagyo-ku, Kyoto F-term in Shimadzu Corporation (reference) 4C040 AA06 BB01 BB06 DD05 EE01

Claims (4)

[Claims] A support surface for supporting a patient or a disabled person;
With a drive mechanism to move the support surface, from a horizontal position that supports the patient or disabled person in a lying state near the floor surface, in a rising assist device that moves the support surface to a sitting position that can be shifted to a standing posture, It is configured such that a wire is passed through the support surface, the wire is pulled horizontally by an actuator, and a linked rear foot portion that is pushed up and supported by a screw jack from the rear stands up so that the support surface becomes a chair shape. Characteristic startup assist equipment. 2. The rising assist device according to claim 1,
A rising assist device characterized in that a joint between a backrest frame and a waist frame, and a joint between a waist frame and a leg frame are bent into a plurality of divided blocks so as to remove a feeling of abdominal pressure when the posture is changed. 3. The rising assist device according to claim 1,
A rising assist device comprising an armrest for supporting a body when shifting from a sitting state to a standing posture or vice versa. 4. The rising assist device according to claim 1,
A rising assist device characterized in that the drive mechanism is lowered to a height of 150 mm or less so as not to give a feeling of oppression to a patient or a disabled person.