JPH0532065B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a stand-up assisting chair provided with a seat lifting mechanism for assisting a patient to stand up.

(Conventional technology) Functional recovery training, especially standing training, has long been an effective method for patients who are forced to live in bed for long periods of time, or for patients whose motor functions in parts of the body or lower limbs are paralyzed. It plays a major role in early recovery and maintenance of function.

By the way, there is a chair 1 as shown in FIG. 4 as one of the auxiliary means for standing training. In this case, the seat portion 2 is raised in the front direction to push the patient forward so that he or she can stand up.

(Problem to be Solved by the Invention) However, in the above-mentioned chair, the seat section is tilted forward, making the patient's posture unstable and causing the patient to worry about slipping down. .

The present invention has been made in view of this problem.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the standing-up auxiliary chair 3 of the present invention has a first seat part 4 and a second seat part which are formed into two parts and hingedly connected to each other. 5, the second seat part 5 is provided with an armrest part 6 and a backrest part 7, and a leg part 9 is provided with a lifting mechanism 8 for driving the second seat part 5 up and down, The part 4 and the leg part 9 are connected through a connecting rod 10, and the tip of the armrest part 6 is bent at a predetermined angle so as to serve as a grip part.

Further, in the present invention, the elevating mechanism 8 has a motor 11, a screw shaft 12 connected to the motor 11, and one end of which is pivoted to a movable cylinder 13 that moves forward and backward on the screw shaft 12, and the other end. a drive arm 14 which is pivoted to the leg portion 9; one end of the drive arm 14 is pivoted to the other end of the drive arm 14, and the other end is pivoted to a support frame 15 attached to the lower part of the second seat 5; The interlocking link 16 has both ends connected to the leg 9 and the second
It consists of support arms 17 slidably pivoted to a support frame 15 attached to the lower part of the seat 5, and the support arms 17 and the interlocking link 16 are pivoted so as to intersect with each other at an intermediate portion. It's something you wear.

(Operation) First, the motor 11 of the lifting mechanism 8 is driven.
At this time, the patient grasps the tip of the armrest 6,
He is in a position where he is trying to stand up with both legs on the floor. By driving the motor 11, the movable cylinder 13 moves on the screw shaft 12 together with the drive arm 14 toward the motor 11, and the interlocking link 16 rotates counterclockwise around the pivot point with the leg 9. Rotate to. At this time, both ends of the support arm 17 slide on the leg portion 9 and the support frame 15, and the support arm 17 rotates clockwise around the pivot point with the interlocking link 16. As a result, the second seat part 5 rises, and on the other hand, since the first seat part 4 is connected to the leg part 9 via the connecting rod 10, as the second seat part 5 rises, the leg part 9
Bending and retracting in the direction.

When the second seat part 5 is completely raised, the patient can sit on the armrest part 6.
Since the tip is bent upward at a predetermined angle, the patient can use this tip as support to perform standing exercises without feeling anxious.

(Example) Next, regarding the standing-up auxiliary chair according to the present invention,
One embodiment will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 3 indicates a stand-up assisting chair, and this stand-up assisting chair 3 has a first seat 4 and a second seat 5 which are hinged to each other, and the second seat 5 is connected to the second seat 5. An armrest portion 6 and a backrest portion 7 provided,
Lifting mechanism 8 for driving the second seat portion 5 up and down
It consists essentially of a leg section 9 on which is installed.

The first seat portion 4 and the second seat portion 5 are connected to each other by a hinge 16.
hinged by. The first seat part 4 and the leg part 9 are connected via a connecting rod 10, and the tip part 18 of the armrest part 6 is bent upward at a predetermined angle so that the patient can easily grasp it. . In addition,
Only one side of the armrest 6 and the connecting rod 10 is shown, and the details on that side are omitted.

The elevating mechanism 8 has a motor 11, a screw shaft 12 connected to the motor 11, one end of which is pivoted to a movable cylinder 13 that moves forward and backward on the screw shaft 12, and the other end of which is attached to a leg 9. holding frame 1
A drive arm 14 is pivoted to the drive arm 14, and one end is pivoted to the other end of the drive arm 14, and the other end is pivoted to the second drive arm 14.
An interlocking link 16 is pivoted to a support frame 15 attached to the lower part of the seat part 5, and both ends are connected to the leg part 9 and the second
It is substantially composed of a support frame 15 attached to the lower part of the seat part 5 and support arms 17 slidably pivotally connected to each other. Here, among the components of the lifting mechanism 8,
Only one side of the drive arm 14, the interlocking link 16, the support arm 17, the holding frame 19 of the leg portion 9, and the support frame 15 are shown, and those on one side are omitted.

Both ends of the support arm 17 are adapted to slide in long grooves 20 and 21 bored in the support frame 15 and the holding frame 18 of the leg portion 9. The support arm 17 and the interlocking link 16 are pivoted so as to intersect with each other at the intermediate portion.

The standing-up auxiliary chair 3 according to the present invention is constructed as described above, and its operation will be explained next.

First, the motor 11 of the lifting mechanism 8 is driven.
At this time, the patient grasps the distal end 18 of the armrest 6 and assumes a posture in which both legs are on the floor and are trying to stand up. By driving the motor 11, the movable cylinder 13 moves on the screw shaft 12 together with the drive arm 14 toward the motor 11, and the interlocking link 16 moves around the pivot point of the leg 9 with the holding frame 19. , rotates counterclockwise. At this time, both ends of the support arm 17 slide in long grooves 20 and 21 bored in the support frame 15 and the holding frame 19 of the leg section 9, respectively, and the support arm 17 is pivoted to the interlocking link 16. Rotates clockwise around a point. As a result, as shown in FIG. 2, the second seat part 5 rises and moves slightly forward, while the first seat part 4 is connected to the leg part 9 via the connecting rod 10. , said second
As the seat portion 5 rises, it bends and retreats in the direction of the leg portions 9.
Therefore, the first seat portion 4 does not come into contact with the back side of the patient's knee.

In this way, the second seat 5 is connected to the support arm 17.
And since it is pushed upward by the interlocking link 16, the inclination of the second seat portion 5 can be reduced.
Moreover, since the patient holds his/her body by grasping the tip 18 of the armrest 6, the patient will not slip forward from the second seat 5.

When the second seat part 5 is completely raised, the patient can sit on the armrest part 6.
Since the distal end 18 is bent upward at a predetermined angle, the patient can easily stand up using the distal end 18 as support without feeling anxious.

Next, FIG. 3a shows another embodiment of the standing-up assisting chair according to the present invention. In this case, the standing-up auxiliary chair 22 is configured such that a screw shaft 25 moves forward and backward from a support 24 provided on a leg portion 23 as an elevating mechanism. As a drive source for the screw shaft 25, a motor (not shown) is used. A support part 26 is attached to the tip of the screw shaft 25, and a buttock seat part 27 for holding the buttocks and a knee part seat part 28 for holding the back side of the knee part are provided on the support part 26. It will be done. Said buttock seat part 27
and a knee seat 28 are separated from each other, and the knee seat 28 has a retaining rod 29 connected at one end to the column 24.
and the other end, and the other end of a connecting rod 30 whose one end is connected to the support section 26. The other end of the holding rod 29 and the other end of the connecting rod 30 are pivotally connected to each other.

According to this standing-up auxiliary chair 22, FIG. 3b,
As shown in Fig. 3c, the screw shaft 2
5 moves forward and backward, the buttock seat 27 moves upward, and as a result, the knee seat 28 is connected to the other end of the holding rod 29 by the restraint of the holding rod 29 and the connecting rod 30. The leg portion 23 rotates downward about the pivot point with the other end of the rod 30 . It should be noted that since the buttock seat 27 only moves upward, the buttock seat 27 does not tilt forward and downward.

(Effects of the Invention) According to the present invention, the first seat part and the second seat part formed in two parts are pushed upward by the elevating mechanism, and the first seat part that comes into contact with the back side of the knee part The seat part rotates downward toward the legs under the restraint of the connecting rod, and the patient can stand up while grasping the tip of the armrest part. Therefore, the second seat that holds the patient's buttocks is suppressed from tilting forward downward, and since the patient is holding the body by grasping the tip of the armrest, the second seat holds the patient's buttocks. There is no slipping forward, and the patient can easily stand up without feeling anxious, using the tip of the elbow leg as support.

[Brief explanation of the drawing]

Fig. 1 is a side explanatory view of the stand-up assisting chair according to the present invention, Fig. 2 is an explanatory view of the function of the stand-up assisting chair shown in Fig. 1, and Figs. 3a to 3c are the stand-up assisting chair according to the present invention. FIG. 4 is an explanatory side view and an operation explanatory view showing another embodiment of the chair. 3... Stand-up assisting chair, 4... First seat part, 5...
Second seat part, 6... Armrest part, 7... Backrest part, 8...
... Lifting mechanism, 9... Legs, 10... Connecting rod, 11
... Motor, 12 ... Screw shaft, 13 ... Moving cylinder, 14 ... Drive arm, 15 ... Support frame, 16
... Interlocking link, 17 ... Support arm, 18 ... Tip, 19 ... Holding frame, 20, 21 ... Long groove, 22
... Stand-up assisting chair, 23 ... Leg section, 24 ... Support column, 25 ... Screw shaft, 26 ... Support section, 2
7... Hip seat, 28... Knee seat, 29... Holding rod, 30... Connecting rod.

Claims (1)

[Scope of Claims] 1. A first seat portion and a second seat portion are provided which are formed into two parts and hingedly connected to each other, and the second seat portion is provided with an armrest portion and a backrest portion, and the second seat portion is provided with an armrest portion and a backrest portion, and the second seat portion is provided with an armrest portion and a backrest portion. Legs are provided with a lifting mechanism for driving the seat up and down, the first seat and the legs are connected via a connecting rod, and the tip of the armrest is used as a gripping part. A standing-up assisting chair characterized by having a predetermined angle and being bent. 2. The elevating mechanism according to claim 1 includes a motor, a screw shaft connected to the motor, one end of which is pivoted to a movable cylinder that moves forward and backward on the screw shaft, and the other end of which is pivoted to a leg. a driving arm, an interlocking link having one end pivoted to the other end of the drive arm and the other end pivoted to a support frame attached to the lower part of the second seat; It consists of support arms slidably pivoted to a support frame attached to the lower part of the second seat, and the support arms and the interlocking link are pivoted so as to intersect with each other at an intermediate portion. A standing-up auxiliary chair characterized by: