JP3230954B2 - Bed equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a bed device suitable for use by the sick and physically handicapped (hereinafter, simply referred to as “sick person”), and particularly to a bed device provided with a mechanism for changing the position of a sick person.

[0002]

2. Description of the Related Art The present applicant has disclosed in Japanese Patent Application Laid-open No. Hei.
In the publication, the sick person lying on the bed surface is moved to the side, for example, the sick person is improved so that the sick person can be easily transported to a bathtub for bathing or transferred to a stretcher or the like. Proposed bed apparatus. In this bed apparatus, a bed surface is provided by a plurality of moving surface forming members and a plurality of fixed surface forming members, and the moving surface forming members are sufficient to support a sick person lying on the bed surface. Are distributed so as to give a smooth surface.

When moving a sick person to the side of a bed, first, a moving surface forming member is lifted. At this time, the sick is in a state of being supported only by the moving surface forming member. Next, the moving surface forming member is moved to a position on the side of the bed. Here, a bathtub or a stretcher or the like is placed at this side position as necessary, and the moving surface forming member moved to the side position of the bed is located above the bathtub or the stretcher or the like. . Next, the moving surface forming member is divided into left and right. This allows the sick to
Placed on a bathtub or stretcher.

[0004] Since such a bed apparatus can handle a sick person in a lying posture, it is particularly suitable for use for a severely sick person.

[0005]

By the way, for a sick person, an effort to sit and walk on their own is effective not only to prevent bedridden condition but also to recover symptoms. Changing the position of the sick person is also advantageous in preventing pressure ulcers. However, the bed apparatus described above is not suitable for helping the sick person become independent or changing his or her body position.

It is an object of the present invention to provide a bed apparatus suitable for assisting the independence of the sick and changing the body position as described above.

[0007]

In order to solve the above-mentioned technical problems, a bed device according to the present invention provides a bed body that provides a bed surface defined by a pair of long sides and a pair of short sides. An auxiliary support surface forming member disposed along one of the long sides and beside the bed body. The bed surface described above is divided into a first side region and a second side region by a long side direction dividing line passing through an intermediate position between the pair of long sides, and the second side region is It is further divided into an upper body side area and a lower body side area by a short side direction dividing line passing through an intermediate position between the pair of short sides.

[0008] The bed body may be inclined about a longitudinal axis extending parallel to the long side, and may include a side holding base for holding the first side region, and the first side region. And side driving means for driving the side holding base so as to rise from the second side region. Thus, the sick person lying on his back on the bed can change his or her posture to a sideways posture.

[0009] The bed body may further include an upper body side holding table that is tiltable around a short side direction axis extending parallel to the short side and holds the upper body side area, and connects the upper body side area to the lower body side. Upper body side driving means for driving the upper body side holding table so as to stand up from the area. As a result, the sick person who has been laid down in the sideways posture as described above can be woken up as it is.

[0010] The auxiliary support surface forming member may include a footrest located adjacent to the lower body side area in the second side area, and a height of the footrest may be substantially the same as the lower body side area. And a footrest holding means for movably holding between a raised position for providing the above and a lowered position located near the floor surface. Also, the auxiliary support surface forming member brings the footrest to the raised position when the upper body side region forms substantially the same surface as the lower body side region, and the upper body side region is connected to the lower body side region. Further, there is provided interlocking means for interlocking the footrest holding means with the upper body side holding stand so as to bring the footrest to the lowered position when the user stands up. Therefore, as described above, by causing the first side region to rise from the second side region,
When the sick is in a sideways position, his feet are placed on a footrest, and then when the sick is raised, the upper body area is raised from the lower body area, and the feet are raised on the floor. It can be lowered close to the surface, bringing the sick to a sitting position on the lower body side area.

[0011] In the present invention, preferably, the footrest holding means includes a connecting member rotatably held about an axis extending parallel to the short side axis with respect to the bed body, and The table is rotatably connected to the connecting member. At this time, it is preferable that wheels that roll on the floor be attached to the footrest. Further, in the present invention, the first side region is also divided into an upper body side region and a lower body side region by the short side direction dividing line, similarly to the second side region, and the upper body side holding table is provided. , May be configured to hold the upper body side area of both the first and second side regions.

[0012]

As described above, according to the present invention, a sick person lying on his / her back on a bed can be placed in a sideways posture, and furthermore, can be seated facing the side of the bed body. Therefore, the sick person can be prevented from the pressure ulcer and the sick person's independence can be nurtured. As a result, the bedridden state can be prevented and the recovery of the symptoms can be promoted.

[0013] Further, according to the bed apparatus of the present invention, the sick can be seated facing the side of the bed main body.
It becomes easy to sit on the toilet. In addition, it is easy to train the sick to walk on the floor.
In addition, it is easy to return the sick person to the bed surface of the bed body. In other words, simply by placing the sick person on the lower body side area and placing his feet on the footrest, it is possible to easily return to the posture lying on his back on the bed surface according to the operation of this bed device itself. Can be.

As described above, the footrest holding means includes the connecting member rotatably held about an axis extending parallel to the short side axis with respect to the bed body, and the footrest includes:
When pivotally connected to this connecting member, the footrest is displaced in an arc shape, and the movement of the foot and the movement of the footrest when the upper body of the sick person is raised can be substantially matched. Because it is possible, it is possible to prevent the sick person from imposing an unreasonable posture.

[0015] At this time, if the footrest is provided with wheels that roll on the floor surface, the floor surface may be rubbed even when the footrest is displaced in an arc shape and comes into contact with the floor surface. And the footrest can be displaced smoothly. Further, as described above, the first side region on the bed surface is also divided into the upper body side region and the lower body side region by the short side direction dividing line, similarly to the second side region, and the upper body side holding table is provided. , The upper and lower body regions of both the first and second side regions are configured to hold the patient's upper body while lying on his back. . When only the upper body side area in the second side area rises, for example, in a mattress, the upper body side area of the first side area and the lower body side area of the second side area must be separated from each other. Should the upper body side of both the first and second side areas be raised, such a decoupling in the mattress is not necessary, a normal mattress can be used as it is, It is possible to prevent the sleeping comfort from being deteriorated due to the separation.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view for explaining a bed apparatus 1 according to one embodiment of the present invention. Here, FIG. 1 schematically shows an operation given by the bed apparatus 1. First, an outline of the structure and functions of the bed device 1 will be described with reference to FIG.

[0017] As shown in FIG.
Includes a bed body 2 and an auxiliary support surface forming member 3.
Bed body 2 provides a bed surface 8 defined by a pair of long sides 4 and 5 and a pair of short sides 6 and 7. The auxiliary support surface forming member 3 is arranged on the side of the bed body 2 along one long side 5. Bed surface 8
Is divided into a first side region 10 and a second side region 11 by a long side direction dividing line 9 passing through an intermediate position between the pair of long sides 4 and 5. Further, the first side region 10 and the second side region 11 are respectively connected to the upper body side regions 13 and 14 and the lower body by a short side direction dividing line 12 passing through an intermediate position between the pair of short sides 6 and 7. Side areas 15 and 1
6 is divided.

The auxiliary support surface forming member 3 includes a footrest 17 located adjacent to the lower body side area 16 in the second side region 11. The footrest 17 is rotatably connected to the connecting member 18. The connecting member 18 is held rotatably about an axis extending parallel to the short sides 6 and 7 with respect to the bed body 2. Thereby, the footrest 17
It is movable between a raised position providing substantially the same height as the lower body side section 16 and a lowered position located near the floor surface 19 (for example, see FIG. 1 (5)).

In FIG. 1A, the bed surface 8 forms a uniform surface, on which the sick person 20 is laid on his back. In addition, the footrest 17 is in a raised position that provides substantially the same height as the lower body side area 16. In this state, the bed apparatus 1 is used as a normal bed.
Next, in FIG. 1 (2), the first side region 10 is indicated by an arrow 2
As shown by 1, it is inclined about a long-side direction axis extending parallel to the long sides 4 and 5, and rises from the second side region 11. As a result, the sick person 20 lying on his back is in a sideways posture. At this time, the foot of the sick person 20 is put on the footrest 17.

Next, as shown in FIG. 1 (3), the first side region 10 is rotated about the long-side direction axis as shown by the arrow 22, and the bed surface 8 is made uniform again. It is returned to a state where a proper surface is formed. Next, as shown in FIG. 1 (4), the upper body side sections 13 and 14 are tilted about the short side direction axis extending parallel to the short sides 6 and 7, as shown by the arrow 23, and are linked thereto. Then, the footrest 17 is also lowered. As a result, the sick person 20 has its upper body raised and its feet lowered.

The above operation proceeds further, and FIG.
Is obtained. That is, it rises to the extent that the upper body side sections 13 and 14 become almost upright,
In addition, the footrest 17 is brought to a lowered position located near the floor surface 19. As a result, the sick person 20 is in a posture of sitting on the lower body side area 16. If the reverse operation of the above operation is performed, the position of the sick person 20 can be easily changed from the sitting posture to the posture of lying on the back through the posture of lying on the side.

Next, a mechanism for achieving the above-described operation will be described with reference to FIGS. FIG. 2 shows side driving means 24 for raising the first side region 10 from the second side region 11 and for raising the upper body side regions 13 and 14 from the lower body side regions 15 and 16. The arrangement state of the upper body side drive means 25 is shown as seen through from above the bed body 2.

First, the details of the side driving means 24 will be described.
This will be further described with reference to FIG. FIG. 3 shows the side driving means 24 from the left end in FIG. The side driving unit 24 includes a power cylinder 26 that can be driven reciprocally. The base end of the power cylinder 26 is rotatably connected to a bracket 28 provided on the bed body 2 via a pin 27, and the plunger 29 is turned to the distal end of a connection arm 31 via a pin 30. Movably connected. The base end of the connecting arm 31 is fixed to a shaft 33 rotatably held by a bracket 32 provided on the bed body 2. The shaft 33 includes drive arms 34 and 35
Is fixed at each base end. Rollers 36 and 37 are rotatably attached to the distal ends of the drive arms 34 and 35, respectively.

As shown in FIG. 3, the bed surface 8 is provided by the upper surface of the mattress 38. A portion corresponding to the first side region 10 of the mattress 38 is held by a side holding base 39. The side support 39 can be tilted about a long axis 40 extending parallel to the long sides 4 and 5. A roller receiver 41 with which the rollers 36 and 37 can be engaged is provided on the lower surface of the side holding base 39. In FIG. 3, the rollers 37 and the corresponding roller receivers are not shown.

In FIG. 3, when the plunger 29 protrudes, the drive arms 34 and 35 are rotated clockwise via the connecting arm 31 and the shaft 33, and the rollers 36 and 37 Receiving 41
The side holding table 39 is raised while engaging with. Thereby, the first side region 10 becomes the second side region 1
It is in a state of rising from 1. Here, the state shown in FIG. 1 (2) is realized.

In FIG. 3, when the plunger 29 is retracted, the driving arms 34 and 35 are connected via the connecting arm 31 and the shaft 33, as shown by the solid line.
Is rotated in the counterclockwise direction, and accordingly, the side support 3
9 is turned so that it falls down. Thereby, the first side region 10 is in a state of forming the same surface as the second side region 11. Here, the state shown in FIG. 1 (3) is realized.

Next, details of the upper body side driving means 25 will be described with reference to FIGS. 4 to 6 show the upper body side driving means 25 from the lower side of FIG. Upper body side drive means 25
Includes a power cylinder 42 that can be driven reciprocally. The base end of the power cylinder 42 is rotatably connected to a bracket 44 provided on the bed body 2 via a pin 43, and the plunger 45 is turned to the distal end of a connecting arm 47 via a pin 46. Movably connected. Connecting arm 4
7 has a bracket 48 provided on the bed body 2.
Is fixed to a shaft 49 which is rotatably held. The base end of the drive arm 50 is fixed to the shaft 49.
Rollers 51 and 52 are rotatably attached to the tip of the drive arm 50.

As shown in FIG. 4 to FIG.
The part of the mattress 38 corresponding to the upper body side sections 13 and 14 is held by the upper body holding stand 53. The upper body side support 53 can be tilted about a short side direction axis 54 extending parallel to the short sides 6 and 7. On the lower surface of the upper body side holding table 53, the rollers 51 and 5 described above are provided.
2 is provided with a roller receiver 55 with which it can engage. 4 to 6, the roller 51 and the corresponding roller receiver are not shown.

As shown in FIG. 4, FIG. 5 and FIG.
When the plunger 45 is retracted, the connecting arm 47
The drive arm 50 is rotated clockwise through the shaft 49 and the rollers 51 and 52 so that the rollers 51 and 52
The upper body side holding table 53 is raised while engaging with. As a result, the upper body side sections 13 and 14 stand up from the lower body side sections 15 and 16. Here, the states shown in FIGS. 1 (4) and 1 (5) are sequentially realized.

Conversely, when the plunger 45 is projected,
The driving arm 50 is rotated counterclockwise through the connecting arm 47 and the shaft 49, and the rollers 51 and 52 are rotated.
In accordance with the downward displacement, the upper body side holding table 53 is rotated so as to fall down. As a result, the upper body side sections 13 and 14 are in a state of forming the same plane as the lower body side sections 15 and 16. Here, the state shown in FIG. 1 (3) is realized.

Referring again to FIG. 4 to FIG.
Is rotatably connected to the connecting member 18 via a pin 56. In this embodiment, the connecting member 18 has a curved surface so as to give the patient 20 a favorable feeling. In addition, contact pieces 57 and 58 are provided on the lower surfaces of the footrest 17 and the connecting member 18, respectively, and as shown in FIG.
8 abuts on each other, whereby the end of the rotation of the footrest 17 with respect to the connecting member 18 is defined. When the connecting member 18 assumes the posture shown in FIG. 4, the footrest 17 can maintain the horizontal posture. You. Also, a floor surface 1 is provided on the lower surface of the footrest 17.
A wheel 59 that rolls on 9 is mounted.

The above-mentioned movement of the upper body side holding table 53 causes the footrest 17 to interlock, thereby bringing the ascending position and the descending position. More specifically, a bracket 60 is attached to the connecting member 18, and the bracket 60 is
Fixed to The shaft 49 also has a function of holding the connecting member 18 so as to rotate around an axis extending parallel to the short-side axis 54 with respect to the bed body 2. The shaft 49 is also a driving source for rotating the upper body side holding base 53, and this displaces the foot base 17 via the bracket 60 and the connecting member 18.
Is interlocked with the upper body side support 53.

Thus, as shown in FIG. 4, when the upper body side areas 13 and 14 of the bed surface 8 form substantially the same plane as the lower body side areas 15 and 16,
Has been brought to the raised position. This state is shown in FIG.
This corresponds to the state shown in (3). Next, as shown in FIG. 5, the upper body side areas 13 and 14 are
When rising from and 16, the footrest 17 begins to descend, first resulting in the condition that the wheels 59 contact the floor 19. This state corresponds to the state shown in FIG. Further, as shown in FIG. 6, when the upper body side sections 13 and 14 rise more, the footrest 17 is brought to the lowered position in the horizontal posture while the wheels 59 roll on the floor surface 19. This state corresponds to the state shown in FIG.

The movement of the footrest 17 in the opposite direction also occurs in conjunction with the movement of the upper body side support 53. In the above embodiment, the first side region 10 on the bed surface 8 is also
Similarly to the second side area 11, the upper body side area 13 and the lower body side area 15 are divided by the short side direction dividing line 12,
The upper body side support 53 is provided with the first and second side regions 10.
And 11 are configured to hold both upper body side areas 13 and 14 so that both upper body side areas 1 and
By raising 3 and 14, the sick person 20 lying on his back, for example, as shown in FIG.
It is possible to raise the upper body.

With respect to the upper body side section 13 in the first side region 10 having the above-described structure, the time when the upper body side area 13 is inclined with the side holding stand 39 and the time when it is inclined with the upper body side holding stand 53 are inclined. There is a time to be. Therefore, the side support 39 and the upper body support 53 need to be configured to operate without interfering with each other.

Although the present invention has been described with reference to the illustrated embodiment, various modifications can be made within the scope of the present invention. For example, as mentioned above,
Similarly to the second side region 11, the first side region 10 is also divided into an upper body side region 13 and a lower body side region 15 by a short side direction dividing line 12, and the first and second side regions 10 are divided.
Rather than the upper body side sections 13 and 14 of both and 11 being configured to rise, the second side area 1
1 may be configured so that only the upper body side area 14 stands up.

Further, in the illustrated embodiment, the auxiliary support surface forming member 3 is located on the right side of the sick person 20 in the supine position, but the auxiliary support surface forming member may be located on the left side.
In addition, although the power cylinders 26 and 42 are used as driving sources for the operation required in the bed device 1, a motor or the like may be used instead of these, and further, human power is used together with an appropriate deceleration mechanism. Is also good.

Although the footrest 17 is displaced based on the rotation of the connecting member 18, the footrest 17 may be translated, for example.

[Brief description of the drawings]

FIG. 1 schematically shows an operation of a bed apparatus 1 according to an embodiment of the present invention, and (1) to (5) show typical states obtained as a result of the operation.

FIG. 2 is a plan view of the bed apparatus 1 shown in FIG. 1, showing a side driving unit 2 for operating a first side area 10;
4 and upper body side drive means 25 for operating the upper body side sections 13 and 14 are shown in perspective.

FIG. 3 is a diagram showing the side driving unit 24 shown in FIG. 2 from the left side of FIG. 2;

4 is a diagram showing the upper body side driving means 25 shown in FIG. 2 from the lower side of FIG. 2;

FIG. 5 is a view corresponding to FIG. 4 and shows a state in the middle of the process until the upper body side areas 13 and 14 completely stand up.

FIG. 6 is a view corresponding to FIG. 4, but showing the upper body side areas 13 and 14 fully standing up;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bed apparatus 2 Bed main body 3 Auxiliary support surface forming member 4, 5 Long side 6, 7 Short side 8 Bed surface 9 Long side direction dividing line 10 First side area 11 Second side area 12 Short side direction division Line 13,14 Upper body side area 15,16 Lower body side area 17 Footrest 18 Connecting member 19 Floor surface 20 Sick person 24 Side driving means 25 Upper body driving means 26,42 Power cylinder 29,45 Plunger 31,47 Connecting arm 33, 49 Shaft 34, 35, 50 Drive arm 38 Mattress 39 Side holder 40 Long side axis 53 Upper body side holder 54 Short side direction axis 59 Wheel

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A61G 7/053

Claims (4)

(57) [Claims] 1. A bed body that provides a bed surface defined by a pair of long sides and a pair of short sides, and an auxiliary support surface formed along one of the long sides and disposed on a side of the bed body. The bed surface is divided into a first side region and a second side region by a long side direction dividing line passing through an intermediate position between the pair of long sides, and the second side The partial area is further divided into an upper body side area and a lower body side area by a short side direction dividing line passing through an intermediate position of the pair of short sides, and the bed body has a long side direction axis extending parallel to the long side. A side holder that can be tilted around and holds the first side region; and a side holder that raises the first side region from the second side region. Side driving means for driving, and a short-side direction axis extending parallel to the short side Upper body side holding table that can be tilted to hold the upper body side area, and upper body side driving means that drives the upper body side holding table so that the upper body side area rises from the lower body side area, The auxiliary support surface forming member includes: a footrest positioned adjacent to the lower body side area in the second side area; and an elevation that gives the footrest substantially the same height as the lower body side area. A footrest holding means for movably holding between a position and a descending position located near the floor, and wherein the upper body side area forms substantially the same surface as the lower body side area. Bringing the platform to the raised position,
A bed device comprising: interlocking means for interlocking the footrest holding means with the upper body side holding table so as to bring the footrest to the lowered position when the upper body side area rises from the lower body side area. 2. The footrest holding means includes a connecting member rotatably held around an axis extending in parallel with the short side axis with respect to the bed body, wherein the footrest is connected to the bed. The bed apparatus according to claim 1, wherein the bed apparatus is rotatably connected to a member. 3. The bed apparatus according to claim 2, wherein wheels that roll on the floor are attached to the footrest. 4. The first side area is also divided into an upper body side area and a lower body side area by the short side direction dividing line, like the second side area, and the upper body side holding table is
The bed apparatus according to any one of claims 1 to 3, wherein the bed apparatus holds the upper body side area in both the first and second side regions.