JPH05184629A - Bed equipment for medical care - Google Patents

Abstract

PURPOSE:To provide a bed equipment for medical care easily elevating and descending a patient lying in a bed by means of a hammock for carrying to other places such as a bath room, a stool, and a wheelchair. CONSTITUTION:A pulley 65 suspending a robe-cord 14 of the head side of a hammock 12 and a pulley 66 suspending a robe-cord 15 of the leg side are provided so as to be close or apart each other freely. When the hammock 12 is made to elevate, the pulley 65 and the pulley 66 are made to be close so as to have the upper part of a lying man's body on the hammock to stand, or when the hammock 12 is made to descend, the pulley 65 and the pulley 66 are made to be apart gradually so as to have the upper part of the body lie down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical bed apparatus, and more particularly, it can be easily lifted up and down by a hammock to move a person lying on the bed to another place such as a bath, toilet bowl, wheelchair. Medical bed equipment that can be used.

[0002]

2. Description of the Related Art As a medical bed apparatus used in hospitals, nursing homes, households, etc., there is known a medical bed apparatus for lifting a sick person who cannot move by himself with a hammock and moving it to a bath or a toilet near the bed.

[0003]

However, when the sick person is placed on a hammock and is lifted from the bed or lowered onto the bed, a physical burden is placed on the neck and waist of the body, which is likely to cause pain. is there. Therefore, an object of the present invention is to provide a medical bed apparatus that can be lifted or lowered without causing pain to a sick person.

[0004]

To this end, the present invention is directed to a main body frame 1, a hoisting device 2 provided on the upper part of the main body frame 1 so as to be movable in the horizontal direction, and suspended from the hoisting device 2. The hammock 12 is provided, the hoisting device 2 is attached to the tip portion of the hammock 12, and the first hanging strap 14 for hoisting the head side of the human body placed on the hammock 12 and the hammock 12 are provided. The second hanging strap 15 which is attached to the rear end and hoists the leg side of the human body, the pulleys 65 and 66 on which these hanging straps 14 and 15 are banded, and these hanging straps 14 and 15 respectively. Winding drums 69 and 70 and these drums 45 and 4
It comprises a winding motor 20 for rotating 6, 69, 70, and at least one pulley 65 or 66 is slidably arranged so that the distance between the pulley 65 and the pulley 66 can be adjusted, and One pulley 65 is provided in order to gradually reduce the interval between the hoisting cords 14 and 15 when the hoisting cords 14 and 15 are wound up by driving the motor 20, and to gradually increase the interval when unwinding.
Sliding means 42, 61, 62 for moving the pulley toward and away from the other pulley 66, and a pulley sliding motor 4 for driving the pulley sliding means 42, 61, 62.
0 is provided.

[0005]

According to the above construction, when the hoisting motor 20 is driven to move the hammock 12 up and down, the pulley 65,
66 slides toward and away from each other, and the distance between the first hanging strap 14 for lifting the head side of the human body and the second hanging strap 15 for lifting the leg side changes, so that the upper body of the human body is undulated. Meanwhile, the human body can be lifted or lowered from the bed 50, and thus the human body can be lifted and lowered without causing pain to the human body.

[0006]

Embodiments of the present invention will now be described with reference to the drawings. 1 is a front view of the medical bed apparatus, FIG. 2 is a plan view, and FIG. 3 is a side view. 1 is a body frame,
A bed 50 and a toilet 51 are placed below the bed. This device allows a sick person lying in bed 50 to
It is a device for transferring to another place such as 1 or a bath (not shown). 2 and 3, a hoisting device 2 is provided on the upper part of the main body frame 1 so as to be movable in the horizontal direction (XY direction). This hoisting device 2 is a sling cord 1
The hammock 12 suspended between the Nos. 4 and 15 is moved up and down and moved horizontally. The first hanging string 14 is attached to the tip portion of the hammock 12 and hoists the head side of a person placed on the hammock 12. The second hanging strap 15 is attached to the rear end of the hammock 12 to lift the leg side. 3 and 4 are X rails, 5 are rollers 24
The X frame is placed on the X rails 3 and 4 via. A rack 28 is provided in parallel with the X rails 3 and 4. A motor 26 for rotating a pinion 27 is attached to the X frame 5. The pinion 27 is engaged with the rack 28, and when the motor 26 is driven, the X frame 5
Moves in the X direction along the X rails 3 and 4.

In FIG. 1, Y is provided on the upper part of the X frame 5.
Rails 6 and 7 are provided. A Y frame 8 is mounted on the Y rails 6 and 7 via rollers 25. In FIG. 3, 30 is a motor mounted on the X frame 5, and 31 is a feed screw driven by this motor 30. The feed screw 31 is screwed into a nut 22 provided on the Y frame 8, and when the motor 30 is driven, the Y frame 8 slides along the Y rails 6 and 7 in the Y direction.

In FIG. 2, the Y frame 8 is provided with two rotary shafts 9. The rotary shaft 9 is driven by a hoisting motor 20 provided on the Y frame 8 to rotate, and a reference numeral 21 is a speed reducer. A large-diameter drum 45 and a small-diameter drum 46 are mounted on each rotating shaft 9. The first hanging strap 14 is wound around one drum 45, and the second hanging strap 15 is wound around the other drum 46. 44a and 44b are frames to which the drums 45 and 46 are attached. One rotating shaft 9 and the other rotating shaft 9 are connected by a chain 43. Therefore, when the motor 20 is driven and the rotating shaft 9 rotates, the four drums 45 and 46 also rotate to wind up and rewind the suspension cords 14 and 15.

Reference numeral 42 represents the Y direction between the rotary shafts 9 and 9.
That is, a feed screw provided in the same direction as the axial direction of the drums 45 and 46, 40 is a sliding motor for rotating the feed screw 42 to slide the drums 45 and 46 along the feed screw 42, and 41 is a sliding motor. It is a speed reducer. The feed screw 42 is formed with a screw 42a having a large pitch and a screw 42b having a small pitch with their screw directions being opposite to each other. The nuts 48 and 49 integrally provided on the frames 44a and 44b are The screws 42a and 42b are screwed together.

Therefore, when the motor 40 is driven and the feed screw 42 is rotated, the frames 44a and 44b become Y-shaped.
The frames 44a, 44 are slid in the directions Y1, Y2, or Y1 ', Y2' in opposite directions so as to move toward and away from each other.
The drum 45 and the drum 46 mounted on b are also slid to adjust the distance between the two 45, 46. These constituent parts 42, 48, 49 are slings 14 for moving the hammock 12 up and down. And a drum sliding means for changing the distance between the hanging strap 15 and the hanging strap 15.

In FIG. 3, when the motor 20 is driven to wind up the suspension cords 14 and 15, the person ascends from the position a to the position b. In this case, since the drum 45 has a larger diameter than the drum 46, the upper body rises faster than the legs and the upper body stands up. At this time, the motor 40 rotates,
The drum 45 slides along the screw 42a in the arrow Y1 direction, the drum 46 slides along the screw 42b in the arrow Y2 direction (see also FIG. 2), and the drum 45 and the drum 46 approach each other. On the contrary, when the motors 20 and 40 rotate in the opposite directions, the drums 45 and 46 move to Y1 ^{, .}
While sliding in the direction, they are separated from each other, the hammock 12 descends, and the person descends from the b position to the a position.

As described above, when the hammock 12 is moved up and down, the drums 45, 45, 46, and 46 are slid in the Y direction so as to approach or separate from each other. In this case,
Since the distance between the hanging strap 14 and the hanging strap 15 is gradually reduced, the human body is lifted while gradually raising the upper body, and conversely, the hammock 12
When lowering, since the above-mentioned interval gradually increases, the upper half of the human body is gradually tilted to the back while landing on the bed. By elevating the human body while undulating the upper half of the human body in this manner, it is possible to comfortably elevate the human body without causing pain.

4 and 5 show another embodiment.
There are two left and right pinions 27 and racks 28, and the X frame 5 moves in the X direction along the racks 28. Nuts 61 and 62 are attached to the screws 42 a and 42 b of the feed screw 42. Reference numerals 63 and 64 denote shafts attached to the nuts 61 and 62, and pulleys 65 and 66 are attached to both ends of the shafts 63 and 64.
Therefore, when the motor 40 is driven and the feed screw 42 rotates, the nuts 61 and 62 slide along the screws 42a and 42b, and the distance between the pulley 65 and the pulley 66 changes. That is, these constituent parts 42, 61, 62 constitute a pulley sliding means, and the motor 40 is a pulley sliding motor.

The hanging straps 14 and 15 are banded around pulleys 65 and 66, and are further wound around a large hoisting drum 69 and a small hoisting drum 70, respectively. The motor 20 rotates the drums 69 and 70 to wind up the suspension cords 14 and 15. Therefore, when the motor 20 is driven, the sled 14 is moved to the drum 6
It is quickly wound up by the large diameter portion 69a of 9 and is slowly wound up from the middle to the small diameter portion 69b. Also hanging string 1
5 is wound up a little faster by the large diameter portion 70a of the drum 70, and is slowly wound up on the small diameter portion 70b from the middle.

When the motor 40 is driven and the feed screw 42 is rotated, the pulleys 65 and 66 slide in the Y1 and Y2 directions in the directions opposite to each other and move toward and away from each other in FIG. Similar to that described with reference to, when the hammock 12 is raised, the interval between the slings 14 and 15 is gradually reduced, and when the hammock 12 is lowered, the interval is gradually increased,
Therefore, it is possible to comfortably raise and lower the human body while undulating the upper body.

In the embodiment shown in FIGS. 1 to 3, the drums 45 and 46 also serve as winding drums for the hanging cords 14 and 15 and sliding drums for changing the distance between the hanging cords 14 and the hanging cords 15. On the other hand, in this embodiment, the winding drums 69 and 70 for the hanging cords 14 and 15 and the pulleys 65 and 66 that change the distance between the hanging cords 14 and 15 are separately provided. Drum 4 though they are different
5, 46 and the pulleys 65, 66 are slid by the drive of the motor 40 to change the interval between the hanging strap 14 and the hanging strap 15, which are the same as each other. Be done.

[0017]

As described above, according to the present invention, when the hammock 12 is moved up and down, the upper half of the human body can be undulated, so that the human body can be easily lifted from the bed so that the human body is not overloaded. , Can also be lowered to bed.

[Brief description of drawings]

FIG. 1 is a front view of a medical bed according to an embodiment of the present invention.

FIG. 2 is a plan view of a medical bed according to an embodiment of the present invention.

FIG. 3 is a side view of a medical bed according to an embodiment of the present invention.

FIG. 4 is a plan view of another embodiment of the present invention.

FIG. 5 is a side view of another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body frame 2 Hoisting device 12 Hammock 14 First hanging string 15 Second hanging string 20 Winding motor 40 Pulley sliding motor 42, 61, 62 Pulley sliding means 65, 66 Pulley 69, 70 Drum

Claims (1)

[Claims] 1. A body frame 1 and the body frame 1
A winding device 2 provided on the upper part of the table so as to be horizontally movable.
And a hammock 12 suspended from the hoisting device 2. The hoisting device 2 is attached to the tip of the hammock 12 to hoist the head of the human body placed on the hammock 12. Hanging strap 14, a second hanging strap 15 that is attached to the rear end of the hammock 12 and lifts the leg side of the human body, and pulleys 65 and 66 on which these hanging straps 14 and 15 are banded.
A drum 69, 70 for winding the hanging straps 14, 15 respectively, and a winding motor 20 for rotating the drum 69, 70, and at least one pulley 65 or 66 is slidably arranged. As a result, the distance between the pulley 65 and the pulley 66 can be adjusted, and the suspension cord 1 can be driven by the winding motor 20.
In order to gradually reduce the distance between the hanging straps 14 and 15 when winding the windings 4 and 15, and to gradually increase the distance when rewinding, one pulley 65 is slid with respect to the other pulley 66 to approach the other. Pulley sliding means 42, 61, 62 to be separated from each other, and the pulley sliding means 42, 6
A medical bed apparatus comprising a pulley sliding motor 40 for driving 1, 62.