JP7302879B2 - Transfer sheet, Transfer support device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a transfer seat and a transfer support device for assisting the transfer of a cared person.

At nursing care sites, when transferring a care recipient, it is customary for the caregiver to hold the care recipient and float the care recipient, then place a sheet in the floated space, and the caregiver lifts the care recipient together with the sheet and transfers the care recipient. It is However, such work imposes a heavy burden on the caregiver, and thus the development of a transfer assistance device for assisting the transfer of the care-receiver has been underway. For example, Patent Literature 1 describes an invention of a transfer assistance device that assists in transferring a cared person from a bed or the like to a wheelchair or the like.

Utility Model Registration No. 3225929

However, according to the transfer support device of Patent Document 1, most of the upper and lower surfaces of the body portion are covered with endless belts, and the care-receiver gets on and off by moving the belts toward or forward. As a result, the horizontal area of the device becomes large, and there is also the problem that it is difficult to use the device in a narrow space such as a toilet.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a transfer assistance device that can reduce the labor involved in placing a care-receiver and that is compact and can be used in a narrow space.

In order to solve the above problems, the transfer seat of the present invention has the following features.
(1) A transfer sheet to be laid under a care-receiver to be transferred, comprising a placement surface on which the care-receiver is placed and a receiving surface for receiving a load from the placement surface. A plurality of first rollers arranged parallel to each other are arranged on the receiving surface side, and a plurality of second rollers arranged parallel to each other are arranged on the receiving surface side, and the first and second rollers have substantially the same diameter. , the second roller alternately faces the first roller.

(2) At this time, a first connecting member that connects adjacent first rollers and a second connecting member that connects adjacent first rollers and second rollers are provided, and the second connecting member is the second roller are rotatably connected about the axis of the first roller connected to the second roller.

A transfer seat of the present invention is a transfer support device for assisting the transfer of a care-receiver, comprising: the transfer seat according to (1) or (2) above; and a guide for guiding the transfer support device to the lower side of the care-receiver. It is characterized by comprising a rail and a frame that supports the guide rail.

According to the transfer sheet or the transfer support device of the present invention, the first and second rollers having substantially the same diameter are arranged parallel to each other, and the second rollers are arranged to face the first roller alternately. When inserted under the care recipient, the first roller and the second roller rotate in opposite directions, and between the care recipient and the bed surface of the bed, the seat surface of the wheelchair, the seat surface of the toilet, etc. There is an excellent effect that it can be arranged smoothly under the care recipient without causing friction. In addition, when the first and second joints are provided, the transfer seat can be folded by rotating the second roller around the axis of the first roller, and the sliding direction can be adjusted at the intermediate position of the transfer seat, so it can be used in a narrow space. Even if there is, there is an effect that the care-receiver can be transferred flexibly.

1 is a perspective view of a transfer seat showing an embodiment of the present invention; FIG. FIG. 4A is a plan view of a main part, and FIG. 4B is a cross-sectional view taken along the line AA, showing the arrangement of rollers of the transfer assist device; FIG. 3(a) is a side view, (b) is a BB cross-sectional view, and (c) is a CC cross-sectional view showing the connected state of the rollers. It is a schematic diagram which shows the state of the 1st roller and 2nd roller which are inserted under a care-receiver. FIG. 5 is a schematic diagram showing the postures of the first and second connection members when passing through the bent portion; 1 is a perspective view of a transfer assistance device showing an embodiment of the present invention; FIG. FIG. 7 is an explanatory diagram showing an operation of placing a cared person sitting on a bed on the transfer support device of FIG. 6; 1. It is (a) a side view, (b) a DD cross-sectional view, and (c) an EE cross-sectional view showing the connection state of the rollers by the transfer sheet of the modification of FIG. 1. FIG. FIG. 4 is a schematic diagram showing various usage examples of the transfer seat.

An embodiment of a transfer seat 2 and a transfer support device 1 embodying the present invention will be described below with reference to the drawings. As shown in FIG. 1, the transfer sheet 2 includes a plurality of first rollers 21 arranged parallel to each other and a plurality of second rollers 22 arranged parallel to each other. A roller guide 25 supported in a recess of the guide rail 3 can be attached to the end of the shaft 21 a of the first roller 21 .

FIG. 2(a) is a plan view showing the essential parts of the transfer seat 2. FIG. The second roller 22 is located at the dashed line, but is omitted for clarity. Further, as shown in FIG. 2B, the first and second rollers 21 and 22 are rollers having substantially the same diameter, and the second roller 22 is provided so as to alternately face the first roller 21. . In addition, the first roller 21 is arranged on the side of the placement surface 2a on which the care-receiver P is placed, and the second roller 22 is arranged on the side of the receiving surface 2b that receives the load from the placement surface 2a. there is

As shown in FIG. 3 , the first roller 21 is connected to adjacent first rollers 21 ′, 21 ″ by first connecting members 23 . Further, the first connecting member 23 supports the first rollers 21, 21', 21'' so as to be rotatable about the respective shafts 21a, 21a', 21a''. The first and second rollers 21 and 22, the roller guide 21b, the guide rail 3, and the first and second connecting members 22 and 23 are preferably made of metal that is resistant to water wetting. By making it metal, it can be used anywhere, such as in a toilet or bathroom.

One first roller 21 is connected to a plurality of opposing second rollers 22 , 22 ′ by second connecting members 24 . At this time, the second connecting member 24 rotatably supports the second rollers 22, 22' around the shaft 21a of the first roller 21 while maintaining the mutual spacing between the second rollers 22, 22'. ing. Further, the second connecting member 24 supports the second rollers 22, 22' so as to be rotatable about the respective shafts 22a, 22a'.

As shown in FIGS. 3(b) and 3(c), the first roller 21 is provided between the shaft 21a, the outer ring side bearing 21b, the inner ring side bearing 21c, and the bearings 21b and 21c. It comprises a bearing 21e, which is a ball bearing for smoothly rotating the roller 21, and a pin hole 21d for inserting a predetermined pin (FIG. 3(b)). The second roller 22 is a ball bearing provided between the shaft 22a, the outer ring side bearing 22b, the inner ring side bearing 22c, and the bearings 22b and 22c for smoothly rotating the second roller 22. 22e and a pin hole 22d for inserting a predetermined pin. Also, a washer 27 is fitted in order to adjust the bulkiness and clearance of the bearings 21b, 22c and the first and second connection members 23, 24. As shown in FIG. Here, when fixing the roller guide 25 to the shaft 21a, a fixing spring pin 28 is press-fitted from the opening 25a of the roller guide 25 toward the pin hole 21d. When fixing the washer 27 to the shaft 21a, the split pin 29 is inserted into the pin hole 21d.

FIG. 4 is a schematic diagram showing the state of the first roller 21 and the second roller 22 inserted under the cared person P. As shown in FIG. Due to the load W of the cared person P and the reaction force N from the bed surface 11a on which the cared person P lies, the contact resistance F between the first rollers 21 and the second rollers 22 increases. For this reason, the first and second rollers 21 and 22 rotate in the opposite directions to each other while stably maintaining the relative positions of the mounting surface 2a and the receiving surface 2b so as to push through the gap.

FIG. 5 is a schematic diagram showing postures of the first roller 21, the second roller 22, and the first and second connecting members 23 and 24 passing through the bent portion 3c of the guide rail 3. As shown in FIG. When passing the bend 3c, the second rollers 22, 22' rotate around the axis 21a while maintaining a mutual spacing. This mechanism allows the transfer sheet 2 to smoothly pass through the bent portion 3c.

According to the transfer sheet 2 configured as described above, for example, when the transfer sheet 2 is placed on the bed surface 11a on which the care-receiver P is sitting, and is inserted under the care-receiver P, the placement surface 2a The first roller 21 on the side and the second roller on the side of the receiving surface 2b rotate in opposite directions to push through the gap between the care recipient P and the bed surface 11a. At this time, due to the rotation of the first and second rollers 21 and 22, the placement surface 2a and the receiving surface 2b of the transfer sheet 2 are not subjected to resistance in the direction opposite to the insertion direction from the care-receiver P and the bed surface 11a. The posture of the transfer seat 2 as a whole is stably maintained. Therefore, the caregiver can smoothly insert the transfer sheet 2 under the care-receiver P or pull it out from the care-receiver P's lower side with little force.

FIG. 6 is a perspective view of the transfer assistance device 1. FIG. The transfer support device 1 includes a transfer sheet 2, guide rails 3 for guiding the transfer sheet 2 to the lower side of the care-receiver, a drive unit 5 for moving the transfer sheet 2, and a frame 4 for mounting the guide rails 3. ing. The drive unit 5 is composed of a wire 53 for pulling the transfer seat 2 , a winch 52 for feeding and rewinding the wire 53 , and a motor 51 for rotating the winch 52 . A ring 7 is attached to the upper portion of the frame 4 for connection with a suspension system (not shown) for suspending the transfer assist device 1 as a whole and transporting it to a desired position. The desired position can be assumed to be, for example, a bed surface, a seat surface of a wheelchair, a seat surface of a Western-style toilet seat, or the like.

The frame 4 includes a backrest frame 4b forming a backrest and a seat plate frame 4a forming a seat plate, and is formed in the shape of a legless chair as a whole. A net 6 that functions as a backrest is stretched across the front of the backrest frame 4b. Further, the frame 4 is provided with a pair of guide rails 3 extending from the rear surface of the backrest frame 4b along the bottom surface of the seat plate frame 4a.

The guide rail 3 defines the sliding direction of the first roller 21 . A roller guide 25 is attached to the shaft 21 a , and the guide rail 3 includes a recess 31 that rotatably supports the shaft 21 a via the roller guide 25 . A bent portion 3c is formed between a portion 3a of the guide rail 3 along the seat plate frame 4a and a portion 3b along the backrest frame 4b.

FIG. 7( a ) shows a state in which the cared person P sits on the bed 11 and leans his/her back on the net 6 of the transfer support device 1 placed on the bed 11 . At this time, the transfer seat 2 is arranged behind the net 6 . When the driving unit 5 moves the transfer sheet 2 toward the seat plate position, the transfer sheet 2 is smoothly inserted under the cared person P via the bent portion 3c (FIG. 7(b)). After that, the entire transfer assist device 1 is transported by a suspension system, the transfer seat 2 is installed on the seat surface of a wheelchair or the like, and the transfer seat 2 is returned behind the net 6 using the drive unit 5, thereby allowing transfer. complete.

According to the transfer support device 1 configured as described above, the frame 4 is provided in the shape of a legless chair, and the guide rails 3 are attached along the seat plate frame 4b and the backrest frame 4b. The seat 2 can be arranged at the seat plate position, and the transfer seat 2 can be retracted to the backrest frame 4b at other times to leave the seat plate position vacant.

Next, a modified example of the transfer seat 2 of the present invention will be described. Here, only matters different from the transfer seat 2 or the transfer support device 1 of FIGS. 1 to 7 will be described, and the same matters will be omitted. Moreover, suppose that the same code|symbol is attached|subjected to the same structure.

As shown in FIG. 8, the transfer seat 2 of the modified example includes a metal holder 26 that holds the first and second rollers 21 and 22 together instead of the first and second connecting members 23 and 24 . In this example, split pins 29 can be inserted into the pin holes 21d and 22d to prevent the holder 26 from coming off. By configuring the transfer seat 2 with a simple configuration in this way, it is possible to reduce the manufacturing cost.

Next, various usage examples of the transfer seat 2 and the transfer support device 1 will be described with reference to FIG. 9A can use the transfer seat 2 of FIG. 1 and the modification, and FIGS. 9B and 9C can use the transfer seat 2 and the transfer support device 1 of FIG.

FIG. 9(a) shows a state in which the transfer assist device 1 is placed on a bed 11 that has been transformed into a chair. When the transfer support device 1 is placed on the bed 11 with the cared person P on it, and the transfer sheet 2 is moved to the backrest frame 4b, the cared person P can be transferred to the bed 11, and conversely, the seat plate. When the transfer sheet 2 is moved to the frame 4a, the cared person P can be put on the transfer support device 1. - 特許庁

FIG. 9(b) shows a state in which the transfer assistance device 1 is placed on the toilet seat of the Western-style toilet 12. As shown in FIG. When the transfer support device 1 is placed on the toilet seat with the cared person P on it, and the transfer seat 2 is moved to the backrest frame 4b, the cared person P can use the Western-style toilet 12, and conversely, the seat plate. When the transfer sheet 2 is moved to the frame 4a, the cared person P can be placed on the transfer support device 1 again.

FIG. 9(c) shows a state in which the transfer assist device 1 is placed in the bathtub 13. As shown in FIG. When the transfer support device 1 is placed in the bathtub with the cared person P on it, the transfer seat 2 is moved to the backrest frame 4b, and the transfer support device 1 is lifted once, the care receiver P can take a bath. can. After bathing, the transfer assist device 1 is lowered, and the transfer seat 2 is moved to the seat plate frame 4a, so that the care-receiver P can be placed on the transfer assist device 1 again and transported as it is by a suspension system or the like. .

It should be noted that the present invention is not limited to the above-described embodiment, and it is also possible to change the shape and configuration of each part as appropriate without departing from the gist of the present invention. For example, it is possible to add nets 6 to both side surfaces of the backrest frame 4b to blind the transfer seat 2. As shown in FIG. 9A to 9C, the shapes of the guide rails 3, frame 4, etc. of the transfer support device 1 can be appropriately changed according to the desired direction of movement of the transfer seat 2. be.

1 transfer support device 2 transfer seat (a: placing surface, b: receiving surface)
3 Guide rail (a: portion along seat plate frame, b: portion along backrest frame, c: bent portion)
4 frame (a: seat plate frame, b: backrest frame)
5 drive unit 6 net 7 ring 11 bed (a: bed surface)
12 Western-style toilet 13 Bathtub 21 First roller (a: shaft, b: bearing (outside), c: bearing (inside), d: pin hole, e: bearing)
22 second roller (a: shaft, b: bearing (outside), c: bearing (inner), d: pin hole, e: bearing)
23 First connection member 24 Second connection member 25 Roller guide 26 Holder 31 Recess P Care recipient W Load N Reaction force F Contact resistance

Claims (3)

A transfer sheet to be laid under the care recipient to be transferred,
comprising a placement surface on which the care-receiver is placed and a receiving surface for receiving a load from the placement surface,
A plurality of first rollers arranged parallel to each other are arranged on the mounting surface side,
A plurality of second rollers arranged parallel to each other are arranged on the receiving surface side,
The first and second rollers have substantially the same diameter,
The second roller alternately faces the first roller ,
further comprising a first connecting member connecting adjacent first rollers and a second connecting member connecting adjacent first rollers and second rollers,
The transfer seat, wherein the second connecting member connects the second roller so as to be rotatable around the axis of the first roller connected to the second roller. A transfer support device for assisting the transfer of a care-receiver,
2. A transfer support device comprising: the transfer seat according to claim 1 ; a guide rail for guiding the transfer seat to the lower side of the care-receiver; and a frame supporting the guide rail. The guide rail includes a bent portion that bends from the first direction toward a second direction different from the first direction,
3. The method of claim 2, wherein the second connecting member causes the second roller to rotate about the axis of the first roller connected to the second roller as the first roller passes through the bend. transfer assistance device.

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