JP4291234B2 - Wheelchair seat equipment - Google Patents

Description

The present invention relates to a wheelchair used by a patient who has difficulty walking, and more particularly to a wheelchair seating device that can be easily transferred between a wheelchair and a bed, between a wheelchair and a car, or the like.

As a conventional technique, there has been a transfer tool disclosed in Patent Document 1. In other words, a pair of rails are mounted in parallel on both sides of a front and rear slender plate frame, and a movable base and a seat plate are placed on the top surface of the cross frame sequentially upward. There has been a transfer tool that is locked to the frame so as to be slidable back and forth, and the seat plate is locked to the movable base so as to be laterally movable and rotatable about the vertical axis.

In the above, the patient can be easily transferred between the wheelchair and the bed or by transferring the transfer tool between the wheelchair and the car. However, since the transfer tool is separate from the wheelchair, it cannot be easily carried and the place of use is limited.
JP-A-8-24294

An object of the present invention is to provide a novel wheelchair seating device that allows a patient to be easily transferred at an arbitrary place where the wheelchair moves by providing a pivoting plate on the wheelchair.

In order to achieve the above object, the present invention is configured as follows. That is, the invention according to claim 1 is configured such that the transfer plate is connected to the front end portion of the seat support member of the wheelchair so as to be pivotable up and down around the horizontal axis, and in the front-rear direction on the left and right sides of the seat support member and the transfer plate. A pair of guides extending in parallel are provided, and a disc-shaped seat plate whose outer peripheral portion is slidably and rotatably fitted to the guide is provided, and a positioning recess is provided in a part of the outer periphery of the seat plate, A positioning projection that engages with the positioning recess is provided at the rear of the seat support member, and a stopper that prevents the seat plate from moving to the front side is provided at the front of the transfer plate. thereby raised or lowered coupling the pair of right and left elbows receiving forward or upward in section is obtained by the structure in which Ru is provided a stopper for holding the forward position and the upper position of the receiving each elbow.
According to a second aspect of the present invention, the support plate of the seat support member is separated from the left and right to form a lower stool between the support plates, and the front support plate of the transfer plate is separated from side to side to form a space between the front support plates. A working hole is formed in the base plate, and a stool hole is provided in the center of the seat plate.

According to the first aspect of the present invention, when the front plate is pivoted horizontally and the front end thereof is hung on, for example, a bed, the seat support member and the cross plate are linear, and the seat plate is between them. In addition to being movable, it can be rotated about the vertical axis at any position. Therefore, the patient can be easily transferred from the bed to the wheelchair or from the wheelchair to the bed via the seat plate without remodeling the transfer destination bed or the like. You can change the direction.
In this case, when the seat plate moves to the front portion side of the transfer plate, the forward movement of the seat plate is restricted by the stopper provided at the front portion of the transfer plate, and the seat plate does not inadvertently leave the transfer plate. . When the seat plate is moved toward the rear seat support member, the positioning recess of the seat plate engages with the positioning projection of the seat support member, and the rotation of the seat plate is stopped.
As a result, the patient can be safely transferred to the bed-wheelchair, and inadvertent rotation of the patient is restricted when the patient is moved to the wheelchair. The patient can be safely transported in a seated posture by being pivoted to.
In addition, since the elbow rest can be tilted forward or upward, when the patient is moved toward the bed-wheelchair, if the elbow rest is rotated upward, the work space becomes wider and the patient can be safely If the elbow rest is rotated forward after the patient is on a wheelchair, the patient can place the elbow rest on the elbow rest and stabilize the sitting posture. Can do.
In the invention according to claim 2, since the seat support member is provided with the lower stool hole, the seat plate is provided with the stool hole, and the work plate is provided with the work hole, the patient can defecate and urinate while sitting on the wheelchair. it can. At this time, the caregiver can collect the stool and urine through the work hole of the transfer plate and the lower stool of the seat support member.

Embodiments of the present invention will be described below with reference to the drawings. 1 is a perspective view of the wheelchair according to the present invention during initial operation, FIG. 2 is a perspective view of the wheelchair during operation of the patient, FIG. 3 is a perspective view of the transfer plate according to the present invention, and FIG. Is a perspective view of a seat plate according to the present invention, FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4, FIG. 6 is a perspective view showing a first example of a footrest according to the present invention, and FIG. 8 is a perspective view showing a third example of the footrest according to the present invention, FIG. 9 is a perspective view showing a state in which the footrest of the third example is attached to the transfer plate, and FIG. 10 is a side sectional view of FIG.

1 and 2, reference numeral 1 denotes a wheelchair and 2 denotes a frame thereof. The frame 2 has a U-shaped lower frame 3 that is open at the rear and a U-shaped seat support member 4 that is open at the front, which are separated from each other by a front column 7 and a rear column 8. Connect together. The rear support column 8 is made of a pipe, protrudes slightly upward from the seat support member 4, and a pipe back support rod 9 is detachably connected to this portion. A back support sheet 10 is attached to the back support bar 9. The upper end portion of the back support rod 9 is bent rearward, and a grip 11 is attached to this portion. Further, the elbow support 12 is connected to the upper and lower intermediate portions of the back support rod 9 so as to be able to rise and fall. Reference numeral 13 denotes a stopper attached to the rear part of each elbow receiver 12 for holding the horizontal position and the standing position of each elbow receiver 12. Reference numeral 14 denotes a caster with a brake attached to the lower frame 3.

The seat support member 4 fixes a pair of rectangular support plates 5 long in the front-rear direction to the left and right, and fixes a U-shaped cross-piece 6 having a front opening on the upper surface of each support plate 5. The crosspiece 6 has left and right crosspieces 6a as guides in the present application, and is positioned at the outer end of each support plate 5 and has convex rails 6b extending in parallel in the front-rear direction on the opposite side. In addition, an arc-shaped positioning projection 6d is formed on the front side of the left and right central portion of the rear bar 6c. A lower stool hole 5 a is formed by a gap formed by the support plates 5.

A planar U-shaped transfer plate 15 having an open rear portion is connected to the front end portion of the seat support member 4 so as to be rotatable up and down around a horizontal axis. The transfer plate 15 is configured as shown in FIG. That is, the pair of front support plates 15a are separated from each other left and right, and are integrally connected by two connecting rods 15b and a stopper 15c on the front side thereof, thereby forming a work hole 16 between the left and right front support plates 15a. To do. The connecting rods 15b are spaced apart from each other to form a locking hole 17 therebetween. The stopper 15c is positioned on the front side of the connecting rod 15b and protrudes upward by a predetermined amount from the upper surface of the support plate 15a.

Further, a pair of front guides 15d is fixed to the upper surface of the outer portion of each front support plate 15a. Each front guide 15d has a convex rail 15e on its facing side. The front support plate 15a and the front guide 15d are separated from each other so as to be an extension line of the support plate 5 and the guide 6a. As shown in FIGS. 1 and 2, the rear end portion of the transfer plate 15 is connected to the front end portion of the seat support member 4 via a hinge (hinge) 18 so as to be vertically rotatable. The rails 6b and 15e described above may be omitted.

The seat plate 20 is placed on the seat support member 4 and the transfer plate 15 described above so as to slide back and forth and rotate. The seat plate 20 is configured as shown in FIGS. That is, a disc-shaped main plate 20a that is fitted close between the left and right guides 6a, 6a (15b, 15b) is formed, and a ring-shaped engagement groove 20b is formed on the outer peripheral portion of the main plate 20a. An elongated rectangular stool hole 20c is formed in the inner peripheral part of the main plate 20a, and an arcuate positioning recess 20d is formed in the outer peripheral part of the main plate 20a where one end in the longitudinal direction of the stool hole 20c is located. The positioning recess 20d has a shape that fits into the positioning protrusion 6d of the seat support member 4 described above.

Then, after a lubricant (sheet) such as Teflon (registered trademark) is fixed to the upper surface of the support plate 5 of the seat support member 4, the upper surface of the front support plate 15 a of the transfer plate 15, and the lower surface of the seat plate 20. The seat plate 20 is placed on the upper surface of the support plate 5 and the engagement groove 20b is engaged with the left and right guides 6a and 6a. The seat plate 20 has a disk-shaped main plate 20a as a mounting plate, and a rectangular upper plate (not shown) substantially corresponding to the planar area of the seat support member 4 is attached to the upper surface of the mounting plate. It may be. In this case, the upper plate may be chamfered in a circular arc shape so that the upper plate does not collide with the back support rod 9 when the seat plate 20 rotates.

The footrest 22 is removably locked in a locking hole 17 formed in the front end portion of the transfer plate 15. As shown in FIG. 6, the legrest 22 is formed by fixing a pair of left and right locking rods 22b to the lower surface of a rectangular receiving plate 22a and fixing the transfer plate 15 as shown in FIG. When rotated downward, the rear end portion of the locking rod 22b is inserted into the locking hole 17 located at the lower end portion thereof, and the receiving plate 22a is projected forward from the lower end portion of the transfer plate 15, and this portion The patient's feet placed on the can be placed. In addition, as shown in FIG. 2, when the transfer plate 15 is rotated forward and its front end is locked to the bed 24, the above-described footrest 22 is removed from the transfer plate 15, so that the patient on the bed 24 is removed. Can be placed on the seat plate 20 smoothly.

FIG. 7 shows a second example of the footrest. In FIG. 7, reference numeral 22-2 denotes a footrest, which is fixed by projecting a locking hook 22c made of pipe to the left and right of the lower surface of the rectangular receiving plate 22a, and pinned to the rear end of each locking hook 22c. A hole 22d is formed. The above-mentioned footrest 22-2 inserts the right and left locking rods 22c into locking holes 17a (FIG. 3) formed at the front end portions of the front support plates 15a of the transfer plate 15, and a locking pin (not shown) in the pin hole 22d. ) To prevent it from coming off.

FIG. 7 shows a third example of the footrest. In FIG. 8, reference numeral 22-3 denotes a footrest, which is fixed by projecting a locking rod 22e made of a square bar to the left and right of the lower surface of the rectangular receiving plate 22a, and at the rear end of each locking rod 22e. The long long hole 22f is formed. As shown in FIGS. 9 and 10, the footrest 22-3 is attached to the front end portion of the transfer plate 15 so as to be able to rise and fall. That is, the locking rod 19 is attached to the lower surface side of the front end portion of each front support plate 15a of the transfer plate 15 via the bracket 19a, and the left and right locking rods 22e are attached to the locking rod 19 through the long holes 22f. Mount slidably and rotatably. Further, the connecting rod 15b described above is attached to the right side of the locking rod 19.

As a result, as shown by the solid line in FIG. 10, when the footrest 22-3 is pulled forward and the rear end of the long hole 22f is positioned on the locking rod 19, the footrest 22-3 It can be turned up and down around the locking rod 19 on the 15 extension lines. Further, as shown by phantom lines in FIG. 10, the footrest 22-3 is rotated upward (arrow A) with respect to the transfer plate 15, and the footrest 22-3 is moved downward (arrow B) in this state. The front end portion of the long hole 22f is positioned on the locking rod 19, and the lower end portion (rear end portion) of the locking rod 22e is in a position where it interferes with the connecting rod 15b. And the connecting rod 15b and held in a state orthogonal (rotated upward) with respect to the transfer plate 15, that is, a function of a footrest is exhibited.

Next, the usage mode of the above embodiment will be described. For example, when the patient on the bed 24 is moved to the wheelchair 1, the wheelchair 1 is laid on the bed 24 and the transfer plate 15 is rotated forward so that the front end is engaged with one side of the bed 24. Stop. Accordingly, the front support plate 15a and the front guide 15d of the transfer plate 15 are linear with the support plate 5 and the guide 6a on the seat support member 4 side, and the seat plate 20 is placed on the seat support member 4 side as shown in FIG. 4 to the transfer plate 15. The seat plate 20 moved to the front side of the transfer plate 15 is prevented from further movement toward the front side by the stopper 15c.

In this case, when the above-described footrest 22-3 of the third example is attached, as shown by the solid line in FIG. 10, the footrest 22-3 is pulled forward to engage the rear end portion of the long hole 22f. Positioned on the stop rod 19, the footrest 22-3 is positioned on the extension line of the transfer plate 15 and placed on the bed 24 together with the transfer plate 15.

In this state, the patient on the bed 24 is woken up to be seated on the seat plate 20, and the patient is rotated through the seat plate 20 so that its back faces the backrest sheet 10, and then the patient is rearward (wheelchair). 1 side), the seat plate 20 slides on the transfer plate 15 and moves to the seat support member 4 side. When the seat plate 20 moves to the normal position of the seat support member 4 and rotates, the seat plate 20 The positioning recess 20d engages with the positioning projection 6d of the seat support member 4, and the inadvertent rotation of the seat plate 20 is prevented. Therefore, the patient can be transferred from the bed 24 to the wheelchair 1 with little effort.

Next, when the wheelchair 1 is pulled backward, the transfer plate 15 is detached from the bed and rotated downward by its own weight. Along with this, the patient's knees hang down. In this state, the footrest 22 is locked to the transfer plate 15, that is, the rear end portion of the lock rod 22 b of the footrest 22 is inserted into the lock hole 17 of the transfer plate 15, and the receiving plate 22 a is inserted from the lower end portion of the transfer plate 15. The patient's foot is put on the receiving plate 22a. Also, the armrest 12 is tilted forward and leveled, and the patient's elbow is placed on this part. Thereby, the posture of the patient on the wheelchair 1 is stabilized.

When using the above-described third example of the footrest 22-3, as shown by the phantom line in FIG. 10, the footrest 22-3 is rotated upward with respect to the transfer plate 15 (arrow A). ) And then moved downward (arrow B), the footrest 22-3 is locked by the locking rod 19 and the connecting rod 15b, and the receiving plate 22a protrudes forward from the lower end of the transfer plate 15. Thus, the patient's feet can be placed on the receiving plate 22a.

When bathing the patient or cleaning the crotch between the patients, the patient is housed in the bathtub or bathroom together with the wheelchair 1, and the caregiver puts his hands through the work hole 16 and the stool holes 5a and 20b. Scrubbing the crotch between patients. Further, when the patient is defecation, a stool accommodation bag is fitted into the stool hole 20c, and the stool is defecate to the stool accommodation bag in a state of being placed on a wheelchair. Or the wheelchair 1 is made to face back and it is made to fit in a toilet bowl, and it is made to defecate in a toilet bowl via the toilet holes 5a and 20b.

It is a perspective view at the time of the initial stage operation | movement of the wheelchair by this invention. It is a perspective view which shows the operating state of the wheelchair at the time of a patient transfer. It is a perspective view of the transfer board by this invention. It is a perspective view of the seat board by this invention. It is VV sectional drawing of FIG. It is a perspective view of the legrest by this invention. It is a perspective view which shows the 2nd example of the legrest by this invention. It is a perspective view which shows the 3rd example of the legrest by this invention. It is a perspective view of the state where the footrest of the 3rd example was attached to the transfer board. FIG. 10 is a side sectional view of FIG. 9.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wheelchair 2 Frame 3 Lower frame 4 Seat support member 5 Support plate 5a Lower stool 6 Beam 6a Guide 6b Rail 6c Rear beam 6d Positioning protrusion 7 Front column 8 Rear column 9 Backrest collar 10 Backrest sheet 11 Clip 12 Armrest 13 Stopper 15 Transfer plate 15a Front support plate 15b Connecting rod 15c Stopper 15d Front guide 15e Rail 16 Work hole 17 Locking hole 18 Hinge (hinge)
19 Locking rod 19a Bracket 20 Seat plate 20a Main plate (mounting plate)
20b Stool hole 20c Positioning recess 22 (22-2, 22-3) Footrest 22a Receiving plate 22b (22c, 22e) Locking collar 22d Pin hole 22f Long hole 24 Bed

Claims (2)

The transfer plate (15) is connected to the front end of the seat support member (4) of the wheelchair (1) so as to be pivotable up and down about a horizontal axis, and the left and right sides of the seat support member (4) and the transfer plate (15) A pair of guides (6a, 15d) extending in parallel in the front-rear direction are provided on both sides, and a disc-shaped seat plate (20) whose outer peripheral portion is slidably and rotatably fitted to the guides (6a, 15d). In addition, a positioning recess (20d) is provided in a part of the outer periphery of the seat plate (20), and a positioning projection (6d) with which the positioning recess (20d) engages at the rear part of the seat support member (4). A stopper (15c) is provided at the front of the transfer plate (15) to prevent the seat plate (20) from moving to the front side, and is provided at the upper and lower intermediate portions of the backrest rod (9) of the wheelchair (1). A pair of left and right elbow supports (12) can be tilted forward or upward. Rutotomoni, wheelchair seat apparatus characterized in that a stopper (13) for holding the forward position and the upper position of the receiving each elbow (12). The lower support hole (5a) is formed between the support plates (5) by separating the support plate (5) of the seat support member (4) from side to side, and the front support plate (15a) of the transfer plate (15) is The wheelchair according to claim 1, characterized in that a work hole (16) is formed between the front support plates (15a) so as to be spaced apart from each other, and a stool hole (20c) is provided at the center of the seat plate (20). Seat device.

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