JP2001008973A - Wheelchair with standing prevention function and jig used for its wheelchair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent patient who has a difficulty to walk by him/herself, sick person, handicapped person and the like, from standing from a wheelchair without physical or mental pain. SOLUTION: A wheelchair 1 has a seat part 2, which enables to put the buttock for wheelchair user, a back part 3, which supports the user's back, foot place board 4, on which both feet of user are placed, and wheels for traveling. An air bag 71, which is expandable by air injection, is mounted on the upper face of front end part of seat part 2. By the expansion of air bag 71, it is possible for wheelchair user to float from the foot place board 4 by his/her both feet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair having a function of preventing standing up and a jig used for the wheelchair. The object of the present invention is to prevent a patient who cannot walk by himself from getting up from the wheelchair, and while running. It is an object of the present invention to provide a wheelchair having a function of preventing a rise, which can fix a patient's body to a wheelchair in a stable posture, and a jig used for the wheelchair.

[0002]

2. Description of the Related Art In general, wheelchairs are widely used as tools for assisting the movement of injured or sick persons having difficulty in walking, or the elderly or disabled persons. However, patients who are unable to walk due to injuries such as fractures are forced to move in a wheelchair until the injury is completely healed, but such patients have a strong desire to walk as soon as possible,
Injuries may worsen while trying to get up from a wheelchair in a completely cured state that is still insufficient for walking. Also,
Patients with dementia or impaired consciousness have a risk of falling and trying to get up from a wheelchair when the caregiver leaves their eyes, forgetting that they have difficulty walking, and causing serious injuries. Therefore, conventionally, to prevent such an accident,
In many cases, the patient's body is fixed to a wheelchair by a leather band or the like.

[0003]

However, the method of fixing the patient's body to the wheelchair using a leather band or the like is not only a method that causes physical discomfort to the patient's body but also is preferable in terms of the human rights of the patient. Did not. In addition, some patients using wheelchairs have difficulty in getting up on their own from sitting in a wheelchair, even when getting up from a wheelchair with the assistance of a caregiver.
In such a case, there is a problem that a heavy burden is imposed on the caregiver. Further, in the case of a patient who is difficult to keep his / her body in a fixed posture while sitting, there is a risk that the patient may fall off the wheelchair due to vibrations applied to the wheelchair while traveling.

The present invention has been made in view of the above circumstances, and can prevent a patient who has difficulty walking on his or her own from rising from a wheelchair without physical and mental pain, and can provide care for a caregiver. A wheelchair with a rising prevention function, which can assist the rising motion when the user stands up with assistance or the like, and can fix the body in a stable posture even in a running wheelchair, and a cure used in the wheelchair. It is intended to provide tools.

[0005]

The invention according to claim 1 is
A wheelchair including a seat on which the buttocks of the wheelchair user is placed, a backrest supporting the back of the wheelchair user, a footrest on which both feet of the wheelchair user are placed, and wheels for traveling, An air bag that can be inflated by injecting air is attached to the front end of the upper surface of the seat, and both feet of the wheelchair user can be floated from the footrest plate by inflation of the air bag. The present invention relates to a wheelchair having a function of preventing rising. The invention according to claim 2 is characterized in that the air bag is attached to the upper surface of the seat in a shape surrounding the buttocks of a wheelchair user.
The invention relates to a wheelchair with a rising prevention function. The invention according to claim 3 is characterized in that a second air bladder that is inclined downward from the rear to the front of the wheelchair when inflated is attached to the upper surface of the seat. The present invention relates to a wheelchair with a rising prevention function. The invention according to claim 4 is characterized in that an air bag is attached to the surface of the backrest portion so as to sandwich the back of the wheelchair user from right and left, and the rising prevention according to any one of claims 1 to 3. Related to wheelchairs with functions.

According to a fifth aspect of the present invention, there is provided a jig which can be inflated by air injection and is attached to a front end of an upper surface of a seat of a wheelchair. Characterized by comprising a substantially rectangular parallelepiped air bag having a height capable of floating both feet from the footrest plate, and a fixing member for detachably fixing the air bag to a wheelchair. The present invention relates to a jig used for a wheelchair having a rising prevention function. The invention according to claim 6 is a jig which can be inflated by air injection and is mounted on the upper surface of the seat portion of the wheelchair, wherein the front portion is mounted along the front end of the upper surface of the seat portion and the left and right sides of the upper surface of the seat portion. An air bag comprising a side portion attached along an end portion, and a space having a shape surrounding the buttocks of a wheelchair user is formed by the front portion and the side portion, and the air bag is detachably attached to the wheelchair. A wheelchair with a rising prevention function, characterized in that the wheelchair comprises a fixing member for fixing, and the front portion has a height capable of floating both feet of the wheelchair user from the footrest plate when inflated. Related to jigs used for The invention according to claim 7 is a jig which can be inflated by air injection and is attached to a surface of a backrest of a wheelchair, wherein one side is formed in a curved shape along one side of the back of the wheelchair user. The present invention relates to a jig used for a wheelchair with a rising prevention function, comprising: an air bladder; and a fixing member for removably fixing the air bladder to a wheelchair. The invention according to claim 8 is a jig which can be inflated by air injection and is attached to the upper surface of a seat portion of a wheelchair, wherein a downward inclined surface is formed from a rear end portion to a front end portion when inflated. And a fixing member for removably fixing the air bag to a wheelchair.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a wheelchair having a function of preventing rising according to the present invention and a jig used in the wheelchair will be described below with reference to the drawings. FIG. 1 is a front view showing a first embodiment of a wheelchair with a rising prevention function according to the present invention (hereinafter simply referred to as a wheelchair), and FIG. 2 is a schematic side view thereof. FIG. 2 shows a state in which a wheelchair user (S) such as an injured person or a disabled person is sitting in a wheelchair. The wheelchair (1) according to the present invention includes a seat (2) on which the buttocks of a wheelchair user are placed, a backrest (3) for supporting the back of the wheelchair user, and a footrest on which both feet of the wheelchair user are placed. (4) A traveling wheel (5) and a handle (6) for operating the wheel are the same as those of a commonly used known wheelchair. Are different.

The difference between the wheelchair (1) of the first embodiment and the known wheelchair is that a jig (7) having an air bag that can be inflated by air injection is attached to the front end of the upper surface of the seat (2). Configuration. FIG. 3 is a plan view of a jig (7) used in the wheelchair (1) of the first embodiment,
FIG. 4 is a front view, and FIG. 5 is a side view. The jig (7) has a substantially rectangular parallelepiped shape having a width substantially equal to the lateral width of the seat portion (2) of the wheelchair (1) and a height capable of floating both feet of the wheelchair user from the footrest plate when inflated. And a fixing member (72) for detachably fixing the air bags (71) provided at the left and right ends of the air bag (71) to the wheelchair (1). Is done.
1 to 5 show a state in which air is injected into the air bag (71) of the jig (7) and is inflated.

The height of the air bag (71) when inflated is:
The height is set so that both feet of the wheelchair user can be lifted from the footrest, and the value may be appropriately set according to the size of the wheelchair and the physique of the user, but is about 13 to 20 c.
m is preferable. This is because if the height is higher than 20 cm, the thigh of the wheelchair user rises too high to make the seating posture unstable, and if the height is lower than 13 cm, the toe of the wheelchair user may reach the footrest plate (4). This is also not preferable.

The configuration of the fixing member (72) is not particularly limited, but in the illustrated example, a band (73) having a notch (7a) provided in the length direction from the front end, and the band (73).
And 3) a hook attached to it. The hook member (7b) is provided with two notches (7a) on the surface near the distal end of the band (73), and the concave member (7c) of the hook is provided at the base end of the band (73). Two convex members (7b) are provided at the same interval on the rear surface in the vicinity.

The air bag (71) is fixed to the wheelchair (1) by inserting a vertical pipe (10) extending downward from the front end of the elbow rest (9) of the wheelchair (1) into the notch (7a) of the band (73). ), The band (73) is wound around a horizontal pipe (11) provided at the side end of the seat (2), and the hook convex member (7b) and the concave member (7c) are wound. This is performed by joining. If it is desired to remove the air bag (71) from the wheelchair (1), the convex member (7
It is only necessary to release the connection between b) and the concave member (7c),
It can be done very easily and can be removed for washing and disinfection.

FIG. 6 is a front view showing a wheelchair according to a second embodiment of the present invention, and FIG. 7 is a schematic side view thereof. FIG. 7
Shows a state in which a wheelchair user (S) such as an injured person or a disabled person is sitting in a wheelchair. The difference between the wheelchair (1) of the second embodiment and the wheelchair of the first embodiment described above is the shape of a jig (7) attached to the upper surface of the seat (2). That is, in the first embodiment, the air bag (71) of the jig (7) is attached only to the front end of the seat (2), but in the second embodiment, the air bag (71) is attached to a wheelchair user. It is attached to the upper surface of the seat in a shape that surrounds the buttocks.

FIG. 8 is a plan view of a jig (7) used in the wheelchair (1) of the second embodiment, FIG. 9 is a front view thereof, and FIG. 10 is a side view thereof. Jig (7)
Is composed of an air bag (71) and a fixing member (72) for detachably fixing the air bags (71) provided at the left and right ends of the air bag (71) to the wheelchair (1). Be composed. The air bag (71) has a front surface (71a) attached along the front end of the upper surface of the seat (2) and a side surface (71b) attached along left and right side edges of the upper surface of the seat. The bag is a substantially U-shaped bag, and a space (71c) is formed by the front part (71a) and the side part (71b) so as to surround the buttocks of the wheelchair user. FIG. 11 shows an air bag (7
FIG. 2 is a schematic plan view showing a state in which 1) is placed on the upper surface of a seat (2), and a hip of a wheelchair user comes to be located in a space (71c) formed in an air bag (71). still,
In this embodiment, the shape of the air bag (71) may be formed in a rectangular shape or an annular shape in plan view.

The air bag (71) has a shape in which the front portion (71a) is flat and the left and right side portions (71b) are high in the front view, and the front portion (71a) is high in the side view. The side part (71b) has a lower shape, and the side part (71b) is slightly higher at the rear end. The height of the front portion (71a) of the air bag (71) when inflated is set to a height at which both feet of the wheelchair user can be lifted from the footrest plate, and specifically, is set within the above numerical range. Is preferred.

The fixing member (72) is attached to the first fixing member (7) attached to the left and right ends of the air bag (71) near the front end.
2a) and a second fixing member (72b) attached near the rear end of the left and right ends of the air bag (71). The first fixing member (72a) includes a band (73) having a notch (7a) provided in a length direction from a tip and a hook attached to the band (73). The hook member (7b) is provided with two notches (7a) on the surface near the distal end of the band (73), and the concave member (7c) of the hook is provided at the base end of the band (73). Two convex members (7b) are provided at the same interval on the rear surface in the vicinity. The second fixing member (72b) includes a band (73) and a hook attached to the band (73).
b) is provided near the distal end of the band (73), and the concave member (7c) of the hook is provided on the back surface near the base end of the band (73).

The air bag (71) is fixed to the wheelchair (1) by cutting the elbow rest (9) of the wheelchair (1) into the notch (7a) of the band (73) of the first fixing member (72a). With the vertical pipe (10) extending downward from the front end being sandwiched, the band (73) is wound around the horizontal pipe (11) provided at the side end of the seat (2) to form a hook convex member (7b). ) And the concave member (7c) are joined, and the band (73) of the second fixing member (72b) is wound around a horizontal pipe (11) provided at the side end of the seat (2) to project the hook. This is performed by joining the member (7b) and the concave member (7c). When it is desired to remove the air bag (71) from the wheelchair (1), it is only necessary to release the joining between the convex member (7b) and the concave member (7c) of the hook, which can be performed very easily. ,
It can be removed for washing and disinfection.

FIG. 12 is a front view showing a third embodiment of the wheelchair according to the present invention, and FIG. 13 is a schematic side view thereof. still,
FIG. 13 shows a state in which a wheelchair user (S) such as an injured person or a disabled person is sitting in a wheelchair. The difference between the wheelchair (1) of the third embodiment and the wheelchair of the first embodiment is that in the first embodiment, the air bag (71) of the jig (7) is attached only to the front end of the seat (2). However, in the second embodiment, the air bag (71) of another jig (7) is attached to the surface of the backrest (3) so as to sandwich the back of the wheelchair user from left and right. .

FIG. 14 is a plan view of a jig (7) used in the wheelchair (1) of the third embodiment, FIG. 15 is a front view thereof, and FIG. 16 is a side view thereof. The jig (7) used for the wheelchair (1) of the third embodiment is shown in FIG.
As shown in the figure, a pair of left and right symmetrical jigs (7),
(7), each jig (7) has an air bag (71)
And a fixing member (72) for detachably fixing the air bags (71) provided at the left and right ends of the air bag (71) to the wheelchair (1). The air bag (71) has one side (71d) formed in a curved shape along one side of the back of the wheelchair user, and the other side (7d).
1e) is formed in a straight line along the side end of the backrest (3) of the wheelchair (1).

The pair of left and right air bladders (71) is attached to the backrest (3) of the wheelchair (1) as shown in FIG. At this time, the portion (12) sandwiched between the pair of left and right air bags (71) has a shape suitable for the back of the wheelchair user. That is, the gap is large at the position below the backrest (3) where the buttocks of the wheelchair user is located, the gap is small at the middle position where the waist is located, and the spacing is large at the upper position where the trunk is located. I have. When the wheelchair user is seated on the wheelchair, his or her back is fitted into the portion (12) sandwiched between the pair of left and right air bags (71).

The fixing member (72) is attached to the first fixing member (7) attached to the left and right ends of the air bag (71) near the upper end.
2a) and a second fixing member (72b) attached near the lower end of the left and right ends of the air bag (71). The first fixing member (72a) and the second fixing member (72b) include a band (73) and a hook attached to the band (73), and the convex member (7b) of the hook includes a band ( 73)
Of the hook (7c)
Is provided on the back surface near the base end of the band (73).

The air bag (71) is fixed to the wheelchair (1) by attaching the band (73) of the first fixing member (72a) and the second fixing member (72b) to the side end of the backrest (3). It is performed by winding around the provided upright pipe (13) to join the hook convex member (7b) and the concave member (7c). When the air bag (71) is to be removed from the wheelchair (1), the hook member (7b) and the concave member (7) are used.
It is only necessary to release the connection with c), it can be performed very easily, and it can be removed for washing and disinfection.

FIG. 17 is a front view showing a wheelchair according to a fourth embodiment of the present invention, and FIG. 18 is a schematic side view thereof. still,
FIG. 18 shows a state where a wheelchair user (S) such as an injured person or a disabled person is sitting in a wheelchair. The difference between the wheelchair (1) of the fourth embodiment and the wheelchair of the first embodiment is that in the first embodiment, the air bag (71) of the jig (7) is attached only to the front end of the seat (2). However, in the fourth embodiment, the air bag (71) of another jig (7) is attached to the upper surface from a position slightly behind the front end of the seat to the rear end of the seat. On the point. Note that FIGS. 17 and 18 show a state where the air bag attached to the front end of the seat (2) is inflated and the other air bag is contracted.

FIG. 19 is a side view of a jig (7) used in the wheelchair (1) of the fourth embodiment, FIG. 20 is a plan view thereof, and FIG. 21 is a front view thereof. FIG.
9 shows a state where the air bag is inflated, and FIGS. 20 and 21 show a state where the air bag is contracted. The jig (7) used in the wheelchair (1) of the fourth embodiment includes an air bag (7).
1) and a fixing member (72) for detachably fixing the air bags (71) provided at the left and right ends of the air bag (71) to the wheelchair (1). The air bladder (71) is formed in a bellows shape in which the interval becomes wider from the front end to the rear end.
The upper surface is flat as shown in FIG.
As shown in FIG. 9, the upper surface is a surface inclined downward from the rear end toward the front end. The inclination angle at this time is 30 to 45 °
It is preferable to set the degree. This is because if the inclining angle is too large, the body of the wheelchair user may fall forward because the body of the wheelchair is tilted too far when the airbag is inflated, and if it is too small, the wheelchair user may stand up even if the airbag is inflated. This is because they cannot provide sufficient assistance.

The fixing member (72) is attached to the first fixing member (7) attached to the left and right ends of the air bag (71) near the front end.
2a) and a second fixing member (72b) attached near the rear end of the left and right ends of the air bag (71). The first fixing member (72a) and the second fixing member (72b) include a band (73) and a hook attached to the band (73), and the convex member (7b) of the hook includes a band ( 73)
Of the hook (7c)
Is provided on the back surface near the base end of the band (73).

To fix the air bag (71) to the wheelchair (1), the band (73) of the first fixing member (72a) and the second fixing member (72b) is attached to the side end of the seat (2). This is performed by winding around the provided horizontal pipe (11) and joining the convex member (7b) of the hook and the concave member (7c). When it is desired to remove the air bag (71) from the wheelchair (1), it is only necessary to release the joining between the convex member (7b) and the concave member (7c) of the hook, which can be performed very easily. It can be removed for washing and disinfection.

In the wheelchair (1) according to the present invention, the air bag (71) is inflated by injecting air into the air bag (71) of the jig (7), and the air in the air bag (71) is inflated. To cause the air bag (71) to contract. Although not shown, the air bag (71) is provided with an openable / closable air hole for letting air in and out. In the present invention, the means for inflating and deflating the air bladder (71) is not particularly limited. For example, a foot-operated type or a hand-operated type air purifier is attached to the wheelchair (1).
The air outlet of this air supply and the air hole of the air bag (71) are connected by a tube or the like, and air is injected into the air bag (71) and inflated by a caregiver or the like operating the air supply. The air hole may be closed after the air hole is opened, and when the air hole is contracted, the air hole may be opened.

Further, as the means for inflating and contracting the air bag (71), the following electrical configuration may be employed. FIG. 22 is a configuration diagram showing an example of the inflating and contracting means of the air bag in the wheelchair according to the first embodiment. The expansion and contraction means includes a blower (15), electromagnetic valves (16) and (17).
, A timer (18), a switch (19), and a power supply (20). Each of these devices is mounted at an arbitrary position on the wheelchair (1). Air bag (71)
Are formed with two air holes, and a tube (21) is attached to each air hole. One tube is opened to the atmosphere via an electromagnetic valve (16), and the other tube is connected to a blower (15) via an electromagnetic valve (17).

Electromagnetic valve (17) and blower (15)
Is electrically connected to a power supply (20) via a contact (22), and a timer (18) is interposed between the blower (15) and the contact (22). The electromagnetic valve (16) is electrically connected to a power supply (20) through a contact (23). Switch (19) is wheelchair (1)
Connected to a push button or lever attached to the
The switch (19) is turned on and off by operating a push button or a lever. The contact (22) and the contact (23) are connected or disconnected by the operation of the switch (19), and the contact (2)
When (2) is in the connected state, the contact (23) is in the cut-off state, and when the contact (23) is in the connected state, the contact (22) is in the cut-off state.

The operation of the expansion / contraction means will be described below. First, when inflating the air bag (71), the switch (19) is operated by operating a push button or lever attached to the wheelchair (1), and the contact (22) is brought into a connected state to make the contact (23). Is turned off. Contact point (22)
When is connected, the timer (18) starts operating and the electromagnetic valve (17) is opened to open the blower (15).
Operates. At this time, the electromagnetic valve (16) is in a closed state because the contact point (23) is in the cutoff state. When air is sent into the air bag (71) by opening the electromagnetic valve (17) and operating the blower (15), the air bag (71) starts to expand. When the air bag (71) is completely inflated, the timer (18) in which the time required for inflation is set in advance cuts off the connection with the power supply (20),
The electromagnetic valve (17) closes and the operation of the blower (15) stops.

When the air bag (71) is deflated, a switch (19) is operated by operating a push button or a lever attached to the wheelchair (1), and the contact (23) is brought into a connected state to make the contact (22). ) Is turned off. Contact point (23)
Is connected, the electromagnetic valve (16) is opened, the air in the air bag (71) is released into the atmosphere, and the air bag (71) is completely contracted.

The air bag in the wheelchair according to the third embodiment can use the above-mentioned inflating and deflating means. The air bag in the wheelchair according to the second embodiment can be connected to two air bags by a tube or the like. It is possible to use the same expansion and contraction means.

FIG. 23 is a structural view showing an example of an inflating / contracting means for an air bag in a wheelchair according to the fourth embodiment. The inflating and contracting means includes a blower (15), an electromagnetic valve (16), (1) provided for each of the two air bags.
7), a timer (18) and a switch (19), and one power supply (20). As shown, the connection form of each device is basically the same as the expansion / contraction means described above, but differs in the following points. That is, in this inflation / deflation means, the switch (19) operates the switch (19) so that the circuit for inflation and the circuit for deflation provided in each of the two air bladders operate in opposite directions. Then, one air bag is inflated and the other air bag is contracted.

The operation of the wheelchair according to the present invention will be described below. First, the operation of the wheelchair of the first embodiment will be described. In a state where no one is sitting in the wheelchair (1), the air bag (71) is deflated, and a wheelchair user (S) such as a patient or a disabled person can use the seat (2) of the wheelchair (1) in this state. ) (See FIG. 24). After the wheelchair user (S) sits down,
A caregiver or the like operates an inflator mounted on the wheelchair (1) or operates a switch by operating a push button or a lever, whereby an air bag attached to the front end of the upper surface of the seat (2). Air is injected into (71) to inflate the air bag (71). Then, due to the inflation of the air bag (71), the sole of the wheelchair user (S) is lifted and both feet are separated from the footrest plate (4) (see FIG. 2). You will not be able to stand up from the wheelchair (1) on your own. When the wheelchair user (S) stands up, the air bag (71) is contracted by manually opening the air hole of the air bag or operating a switch by operating a push button or lever. Good.

Next, the operation of the wheelchair of the second embodiment will be described. In a state where no one is sitting in the wheelchair (1), the air bag (71) is deflated, and a wheelchair user (S) such as a patient or a disabled person can use the seat (2) of the wheelchair (1) in this state. ) (See FIG. 25). After the wheelchair user (S) is seated, a caregiver or the like operates the inflator mounted on the wheelchair (1) or operates a switch by operating a push button or a lever, thereby operating the switch. Air is injected into an air bag (71) attached to the upper surface of the seat (2) in a shape surrounding the buttocks to inflate the air bag (71). Then, due to the inflation of the air bag (71), the sole of the wheelchair user (S) is lifted and both feet are separated from the footrest plate (4), and the buttocks of the wheelchair user (S) are exposed to air. The wheelchair user (S) is prevented from standing up from the wheelchair (1) by himself / herself in the space surrounded by the bag (71) (see FIG. 7). When the wheelchair user (S) stands up, the air bag (71) is contracted by manually opening the air hole of the air bag or operating a switch by operating a push button or lever. Good.

Next, the operation of the wheelchair of the third embodiment will be described. In a state where no one is sitting in the wheelchair (1), the air bag (71) is deflated, and a wheelchair user (S) such as a patient or a disabled person can use the seat (2) of the wheelchair (1) in this state. ) (See FIG. 26). After the wheelchair user (S) is seated, a caregiver or the like operates the inflator attached to the wheelchair (1) or operates a switch by operating a push button or a lever, thereby operating the seat (2). )) And air is injected into an air bag (71) attached to the surface of the backrest (3) in a shape sandwiching the back of the wheelchair user from the left and right with the air bag (71) attached to the front end of the upper surface. Inflate the bag (71). Then, due to the inflation of the air bag (71), the sole of the wheelchair user (S) is lifted and both feet are separated from the footrest plate (4).
The back of the wheelchair user (S) is sandwiched between the left and right by the air bag (71) (see FIG. 13), and the wheelchair user (S) is prevented from standing up from the wheelchair (1) on its own and running. The body at the time becomes stable without swinging from side to side. When the wheelchair user (S) stands up, the two air bladders (71) are contracted together by opening the air hole of the air bladder by hand or operating a switch by operating a push button or a lever. It should be done.

Finally, the operation of the wheelchair of the fourth embodiment will be described. When no one is sitting on the wheelchair (1), the air bladder (71) attached to the front end of the seat (2) is inflated and the other bladder (71) is deflated, and the patient or The wheelchair user (S) such as a disabled person sits on the seat (2) of the wheelchair (1) in this state (see FIG. 18). In this state, since the sole of the wheelchair user (S) is lifted and both feet are separated from the footrest plate (4), the wheelchair user (S) can stand alone from the wheelchair (1). Absent. Then, when the wheelchair user (S) stands up, either the operation of the air supply attached to the wheelchair (1) and the opening of the air hole are performed, or the switch is operated by operating a push button or a lever. As a result, the air bag (71) attached to the front end of the upper surface of the seat (2) is contracted, and the other air bag (71) attached to the seat (2) is inflated. Then, due to the inflation of the other air bag (71), the buttocks of the wheelchair user (S) are lifted, the whole body moves forward, and both feet reach the footrest plate (4) (FIG. 27). See) and get up easily.

In the expansion / compression means, a compressor (compressor) may be used instead of the blower.

[0038]

As described above, according to the first aspect of the present invention, the seat on which the buttocks of the wheelchair user are placed, the backrest for supporting the back of the wheelchair user, and both feet of the wheelchair user are placed. A wheelchair including a footrest plate and wheels for running, wherein an air bag that can be inflated by injecting air is attached to a front end of an upper surface of the seat portion, and the wheelchair is used by inflating the air bag. This is a wheelchair with a rising prevention function characterized in that it is configured so that both feet of the user can be lifted off the footrest plate, and thus the following effects are obtained. In other words, by injecting air into the air bag, both feet of the wheelchair user can be lifted from the footrest plate, so that a patient who has difficulty walking on his own can be prevented from getting up from the wheelchair and being injured, and moreover, the patient can be physically injured. It does not cause any physical or mental distress.

According to a second aspect of the present invention, there is provided the wheelchair according to the first aspect, wherein the air bag is attached to the upper surface of the seat in a shape surrounding the buttocks of the wheelchair user. Therefore, both feet can be lifted from the footrest plate with the buttocks of the wheelchair user sitting in the air bag, and the patient who has difficulty walking can be more reliably prevented from rising from the wheelchair.

The invention according to claim 3 is characterized in that a second air bladder which is inclined downward from the rear to the front of the wheelchair when inflated is attached to the upper surface of the seat. Since the wheelchair with the function of preventing rising according to 1 can prevent a patient who has difficulty walking from getting up from the wheelchair, it is possible to assist the rising operation when the person stands up with the assistance of a caregiver or the like.

The invention according to claim 4 is characterized in that an air bag is attached to the surface of the backrest so as to sandwich the back of the wheelchair user from left and right.
Since the wheelchair with the function of preventing rising according to any of the above aspects, it is possible to prevent a patient who has difficulty walking from getting up from the wheelchair, and to fix the body in a stable posture with respect to the running wheelchair.

According to a fifth aspect of the present invention, there is provided a jig which can be inflated by injecting air and is attached to a front end of an upper surface of a seat of a wheelchair. Characterized by comprising a substantially rectangular parallelepiped air bag having a height capable of floating both feet from the footrest plate, and a fixing member for detachably fixing the air bag to a wheelchair. Since it is a jig used for wheelchairs with a rising prevention function, it can be lifted from the wheelchair user's knees to prevent standing up from the wheelchair by attaching to the wheelchair, and can be removed and washed and disinfected when not in use. It is hygienic.

According to a sixth aspect of the present invention, there is provided a jig which can be inflated by air injection and is attached to the upper surface of a seat of a wheelchair. An air bladder comprising side portions attached along the left and right side edges, wherein the front portion and the side portions form a space surrounding the buttocks of a wheelchair user; and A fixing member for detachably fixing the front portion, wherein the front portion has a height capable of floating both feet of the wheelchair user from the footrest plate when inflated, and preventing rising. Since it is a jig used for wheelchairs with functions, it can be attached to the wheelchair so that the buttocks of the wheelchair user can be stuck in the air bag and prevented from rising from the wheelchair, and can be removed and washed when not in use. To perform the disinfection is a hygienic can.

According to a seventh aspect of the present invention, there is provided a jig which can be inflated by air injection and is attached to a surface of a backrest of a wheelchair, wherein one side of the jig is curved along one side of the back of the wheelchair user. A jig used for a wheelchair with a rising prevention function, comprising an air bag formed and a fixing member for detachably fixing the air bag to a wheelchair. By attaching it, it is possible to prevent the wheelchair user from standing up from the wheelchair by sandwiching the back of the wheelchair user from the left and right, and to be in a stable state without shaking the body during traveling, and to remove and wash and disinfect when not in use Can be sanitary.

The invention according to claim 8 is a jig which can be inflated by air injection and is attached to the upper surface of a seat of a wheelchair, wherein a downwardly inclined surface is formed from a rear end to a front end when inflated. Jig used for a wheelchair with a rising prevention function, which comprises an air bag and a fixing member for detachably fixing the air bag to a wheelchair. It is possible to prevent the wheelchair user from standing up from the wheelchair by lifting the back of the knee, and also to assist the rising operation, and it is possible to remove and wash and disinfect when not in use, which is hygienic.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a wheelchair according to the present invention.

FIG. 2 is a schematic side view showing a first embodiment of a wheelchair according to the present invention.

FIG. 3 is a plan view of a jig used in the wheelchair of the first embodiment.

FIG. 4 is a front view of a jig used in the wheelchair of the first embodiment.

FIG. 5 is a side view of a jig used in the wheelchair of the first embodiment.

FIG. 6 is a front view showing a second embodiment of the wheelchair according to the present invention.

FIG. 7 is a schematic side view showing a second embodiment of the wheelchair according to the present invention.

FIG. 8 is a plan view of a jig used in the wheelchair of the second embodiment.

FIG. 9 is a front view of a jig used in the wheelchair of the second embodiment.

FIG. 10 is a side view of a jig used in the wheelchair of the second embodiment.

FIG. 11 is a schematic plan view showing a state in which an air bag of a jig used in the wheelchair of the second embodiment is placed on the upper surface of a seat.

FIG. 12 is a front view showing a third embodiment of the wheelchair according to the present invention.

FIG. 13 is a schematic side view showing a third embodiment of the wheelchair according to the present invention.

FIG. 14 is a plan view of a jig used in the wheelchair of the third embodiment.

FIG. 15 is a front view of a jig used in the wheelchair of the third embodiment.

FIG. 16 is a side view of a jig used in the wheelchair of the third embodiment.

FIG. 17 is a front view showing a fourth embodiment of the wheelchair according to the present invention.

FIG. 18 is a schematic side view showing a fourth embodiment of the wheelchair according to the present invention.

FIG. 19 is a side view of a jig used in the wheelchair of the fourth embodiment.

FIG. 20 is a plan view of a jig used in the wheelchair of the fourth embodiment.

FIG. 21 is a front view of a jig used in the wheelchair of the fourth embodiment.

FIG. 22 is a configuration diagram showing an example of a means for inflating and contracting an air bag in the wheelchair according to the first embodiment.

FIG. 23 is a configuration diagram showing an example of a means for inflating and contracting an air bag in a wheelchair according to the fourth embodiment.

FIG. 24 is a diagram illustrating the operation of the wheelchair according to the first embodiment.

FIG. 25 is a diagram illustrating the operation of the wheelchair according to the second embodiment.

FIG. 26 is a view for explaining the operation of the wheelchair of the third embodiment.

FIG. 27 is a diagram illustrating the operation of the wheelchair according to the fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheelchair 2 Seat part 3 Backrest part 4 Footrest plate 5 Wheel 7 Jig 71 Air bag 72 Fixing member S Wheelchair user

Claims (8)

[Claims] 1. A vehicle comprising: a seat on which the buttocks of a wheelchair user are placed; a backrest for supporting the back of the wheelchair user; a footrest on which both feet of the wheelchair user are placed; and wheels for running. In a wheelchair, an air bag that can be inflated by injecting air is attached to a front end portion of an upper surface of the seat portion, so that both feet of a wheelchair user can be floated from the footrest plate by inflation of the air bag. A wheelchair with a rising prevention function characterized by being constituted. 2. The wheelchair with rising prevention function according to claim 1, wherein the air bag is attached to an upper surface of a seat in a shape surrounding the buttocks of a wheelchair user. 3. The rising prevention function according to claim 1, wherein a second air bladder that is inclined downward from the rear to the front of the wheelchair when inflated is attached to an upper surface of the seat. Wheelchair. 4. The wheelchair with rising prevention function according to claim 1, wherein an air bag is attached to the surface of the backrest so as to sandwich the back of the wheelchair user from right and left. . 5. A jig which can be inflated by air injection and is attached to a front end of an upper surface of a seat of a wheelchair, wherein the jig has a width substantially equal to a lateral width of the seat and both feet of a wheelchair user when inflated. A wheelchair with a rise prevention function, comprising: a substantially rectangular parallelepiped air bag having a height that can be floated from the air bag; and a fixing member for detachably fixing the air bag to the wheelchair. The jig used. 6. A jig which can be inflated by air injection and is attached to the upper surface of a seat of a wheelchair, wherein the jig is attached along a front end of the upper surface of the seat and a left and right side end of the upper surface of the seat. An air bag comprising a side portion attached along with the front portion and the side portion forming a space surrounding the buttocks of a wheelchair user; and an air bag for detachably fixing the air bag to the wheel chair. The front part is used in a wheelchair with a rise prevention function, characterized in that the front part has a height capable of floating both feet of the wheelchair user from the footrest plate when inflated. Jig. 7. A jig which can be inflated by air injection and is attached to a surface of a backrest of a wheelchair, wherein one side is formed in a curved shape along one side of the back of a wheelchair user. And a fixing member for detachably fixing the air bag to the wheelchair. 8. A jig which can be inflated by air injection and is attached to the upper surface of a seat of a wheelchair, wherein the air bag has a downwardly inclined surface formed from a rear end to a front end when inflated. A jig for use in a wheelchair with a rising prevention function, comprising a fixing member for detachably fixing an air bag to a wheelchair.