JPH022342Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Purpose of the Invention> (Field of Industrial Application) The present invention relates to a bed for a patient that is equipped with a lifting device for raising and lowering a lifting mat.

(Prior Art) Conventionally, some beds for patients of this type are equipped with a lifting device for lifting up bedridden elderly people and disabled people.

However, this elevating device has a simple structure that lifts a bedridden elderly person or a disabled person onto a bed mat for a sick person and suspends him or her from a simple bathtub placed on the bed mat.

Therefore, when taking a bath, it is necessary to always place the simple bathtub on the mat.

(Problem to be solved by the invention) The invention was made in view of the conventional circumstances as described above, and its first purpose is to provide a simple bathtub (recumbent bathtub) with a mat that is placed at the time of bathing. The purpose is to make it possible to take a bath simply by placing it adjacent to the bed without having to place it on top of the bed.

A second purpose of the present invention is to effectively prevent bedsores in bedridden elderly people and physically disabled people.

(Means for Solving the Problems) In order to achieve the above object, the bed for a patient of the present invention includes a transport mechanism for transporting a patient on a mat to a bathtub adjacent to the bed body, and a bed for preventing bedsores of the patient. The conveyance mechanism includes a case body equipped with a lifting device for lifting a mat, a leg part hanging from the front end of the case body and having a lower guide ring at the lower end, and a cantilevered part in the middle part of the leg part. A pair of front and rear moving bodies is formed by the feed rod, which is horizontally placed under the laying mat and has an engaging groove carved along its entire length. An upper guide wheel that engages with the guide protrusion is provided, and a guide rail for the lower guide wheel is provided on the head portion and the lower end of the foot so as to be freely removable and removable, and can be rotated in forward and reverse directions to mesh with the engagement groove under the laying mat. The rolling device is configured to include an automatic return gear, and the rolling device includes a swinging device that swingably supports a rolling frame that supports the laying mat, and rotates a pivot of the rolling frame left and right by a fixed angle. It is characterized in that it is configured by providing.

(Function) According to the above-mentioned means, by manually pulling out the guide rail for the lower guide wheel and sending out the feed rod by normal rotation of the automatic feed-back gear, the upper guide protrusion on the upper surface of the head and foot portion is moved. The guide wheels are guided by the guide rails, and the lower guide wheels are guided by the hoisting mat's lifting device to horizontally move the mobile object, which is lifting a bedridden elderly person or a disabled person, from the laying mat and onto the bathtub installed adjacent to it. Position the lifting pine. Next, the lifting device is driven to lower the lifting mat, and the elderly and the disabled are bathed.

After bathing, drive the lifting device to hoist up the lifting mat, return the feed rod by rotating the automatic return gear in reverse, drive the lifting device again to lower the lifting mat, and place the elderly or disabled person on the laying mat. do.

At the same time, the swinging device is operated to swing the rolling frame to prevent bedsores on elderly and disabled people lying on the mat.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

The patient's bed of this embodiment has the following parts in the bed body Y:
A transport mechanism F consisting of a moving body f with a lifting device _f1 and an automatic return gear _f2 for sending out and pulling in the moving body f is provided, and a rolling device D is provided.
and a gear gear device G.

The bed main body Y is made by connecting a head part _a1 and a foot part _a2 with a base frame A, and is formed by laying a laying mat b consisting of a laying mat _b9 and an air mat _b10 on the base frame A. do.

The head part _a1 and the foot part _a2 are made up of a pedestal rod 6 with a square cross section provided at the lower end into which a guide rail 6' with wheels 6'' is fitted in such a way that it can be freely inserted and removed, and a side surface erected on the pedestal rod 6. It is formed with a shaped support frame 7,
A guide protrusion 8 for guiding the movable body f is provided on the upper surface of the support frame 7 in a protruding manner over the entire length.

This guide protrusion 8 is a moving body f with a lifting device _f1 .
It is for guiding on the upper surface of the support frame 7, and is formed into a mountain-shaped vertical section.

Note that the longitudinal cross-sectional shape of this guide protrusion 8 is similar to that of the moving body f.
Since it is for guiding the upper guide wheel _f4 provided at the lower end, it is natural that it has a shape that matches the shape of the upper guide wheel _f4 .

The moving body f is a lifting device for a lifting mat 5 for patients.
A case body f ₃ with a case body f ₁ , an upper guide wheel f ₄ provided on the lower surface of the case body f ₃ , and a leg part f ₅ that is vertically disposed on the front end of the case body f ₃ and has a lower guide wheel f ₇ at its lower end. and leg f ₅
It is formed with a feed rod _f8 which is cantilevered in the middle part and is horizontally placed below the laying mat b and has an engaging groove _f6 carved therein over its entire length.

The case body _f3 is formed in a hollow shape slightly longer than the upper surface of the support frame 7, and has a lifting device at the upper end of the opposing surfaces 22, 22 facing each other in the front and rear moving body f.
Recesses ₉ ' are formed on each side, one on each side, to allow the lifting bar 9 constituting a part of f1 to be freely engaged and detached, and a guide opening 10 is bored in the lower surface.

The lifting device f ₁ is installed inside the case body f ₃ and includes a transmission device f ₁ ′ consisting of a lifting bar 9, a motor 11, a gear head 12, and a worm reducer 13, and a transmission device including a chain sprocket. group
f ₁ ″.

The transmitted group f1 _' ' includes a first sprocket 14 protruding from the worm reducer 13, and second and third sprockets 16 and 17 disposed below the recessed part 9'.
, a chain 18 wound around the sprockets 14, 16, 17, and transmission gears 19, 20 provided on the shafts 16', 17' of the second and third sprockets 16, 17.

By the way, this transmitted group f ₁ ″ is the transmission gear 19, 2
A reversing gear 21 is provided on one side of the transmission gear 0 so that the transmission gears 19, 20 and the reversing gear 21 rotate in opposite directions. The transmission device f ₁ ′ and the transmission group f ₁ ″ may be provided in either one of the front and rear case bodies f ₃ .

The lifting bar 9 has a recessed part 9' formed from above on the opposing surface 22 of the head part _a1 and the foot part _a2 .
These are two rods having a length that can be hung between the lifting bars 9', and a meshing gear 23 for meshing with the transmission gear 20 and the reversing gear 21 is provided at one end of the lifting bar 9. At the same time, a lifting mat 5 for users (bedridden elderly people, disabled people) is detachably provided.

The upper guide wheel _f4 is for guiding the movable bodies f, f so as to slide on the upper surface of the support frame 7, and uses a V-shaped wheel that engages with the guide protrusion 8 to guide the movable bodies f, f. One each on the left and right sides of f, facing from the guide opening 10.

The leg part _f5 is provided vertically at the front end of the case bodies _f3 , _f3 , and is provided with a lower guide wheel _f7 at the lower end for sliding on the guide rail 6', and is connected to the upper guide wheel.
It has the function of guiding and supporting the movable bodies f and f in combination with _f4 , and a feed rod _f8 is provided in the middle in a cantilevered manner and placed horizontally below the laying mat b.

The feed rod _F8 has a meshing groove _F6 carved along its entire length on the upper surface, and is used as the feed-back gear of the automatic feed-back device _F9 .
It has the function of sending out or pulling the movable bodies f, f forward of the bed main body Y by meshing with _f2 .

The automatic feed-back gear _f9 consists of an induction motor 24, a worm reducer 25, and an automatic feed-back gear _f2 disposed under the base frame A, and the automatic feed-back gear _f2 is connected to a transmission shaft. 2
6 and arranged so as to mesh with the meshing grooves f ₆ , f ₆ of the feed rods f ₈ , f ₈ .

The operations of the automatic return gear f ₉ and the lifting device f ₁ are controlled by switches on an operation panel that are electrically linked via a controller (not shown), and the amount of movement of the movable bodies f and f is The setting is performed by setting limit switches 2 protruding from the left and right sides of the upper surface of the support frame 7.
7, 27 are provided, and this limit switch 27, 2
Limit switches 27, 27 are electrically connected to the controller and operation panel so that the amount of movement is set by contact with a push plate 28 provided at the lower end of the case body _f3 .

The operation of the transport device F will be explained below. A lifting bar 9 around which a lifting mat 5 is wound is suspended from front and rear moving bodies f, f. At this time, the meshing gears 23, 23 at one end are connected to the transmission gear 20 of the lifting device _f1 .
and the reversing gear 21, and the other end is fitted into the recess 9' so as to simply rotate freely.

Next, the transmission device f ₁ ' is rotated in the normal direction by pushing a switch in the operation panel, and the lifting bar 9 is rotated in the winding direction to lift the user (a bedridden elderly person or a disabled person) upward. Next, the guide rail 6' for the lower guide wheel _f7 is manually pulled out. In this state, the automatic feed-back device _f9 is operated by pushing a switch in the operation panel to rotate the feed-back gear _f2 in the forward direction, thereby sending forward the feed rod _f8 provided with the meshing groove _f6 . Along with this feeding operation, the front and rear movable bodies f, f are guided by the guide protrusion 8 and the guide rail 6', and the upper guide wheel f ₄ and the lower guide wheel f ₇
rotates and transports the user onto a lying bathtub X placed in front of the bed body Y. At this time, push plate 2 on the back side
8 pushes the front limit switch 27,
The moving body f stops.

In this state, the transmission device f ₁ ' is reversed by pushing a switch in the operation panel, and the user is lowered into the bathtub X. By the way, when bathing in a lying-in bathtub, the lifting mat 5 that is wrapped around one lifting bar 9
Needless to say, make it easier to take a bath without removing it.

Further, when the user is to return to the laying mat b again after taking a bath, the steps described above and the reverse steps may be sequentially performed by pressing a switch on the operation panel. f ₈ ′ is the rear guide shaft of the feed rod f ₈ .

The rolling device D is for intermittently rocking the rolling frame B located on the base frame A at regular intervals, and the rolling device D is a device that swings the rolling frame B located on the base frame A intermittently at regular _intervals . , the axis b ₁ of its rolling frame B
and a swinging device D' that swings the rolling frame B by rotating it left and right by a constant angle.

Rolling frame B is framed in a planar direction and has a front panel B ₂ , a rear frame B _3, a front panel B ₄ , and a rear panel.
_B5 is installed in an upright manner, and several intermediate frames _B6 are erected and fixed in the transverse direction, and a laying mat _B9 and an air mat _B10 , which are divided into three parts, are mounted thereon.

The rocking device D′ includes an induction motor 1,
It consists of a worm reducer 2, a rotary plate d connected to the reducer 2, a crank mechanism C, and a timer E for intermittently operating the swinging device D', and is installed under the laying mat b.

The crank mechanism C is a first
It consists of a link rod c ₁ and a second link rod c ₂ having one end pivoted to the other end of the first link rod c 1 and _the other end fixed to the pivot shaft b ₁ of the rolling frame B.

In the drawings, reference numeral 4 denotes a transmission shaft, which has a function of transmitting the rotational force of the worm reducer 2.

The timer E is used to operate the rocking device D' via the controller in order to rock the bed mat b ₉ and the air mat b ₁₀ at fixed intervals, for example, every two hours. Built into 1.

Incidentally, the advantage of this rolling device D is that no matter where the user sleeps on the air mat _B10 , it changes the position where body pressure is applied, improving blood circulation and preventing bedsores.

The gearing device G is necessary to wake up the user when eating or for other reasons, and includes a gearing mat G on the head side, which is formed by dividing the mounting mat B ₉ and the air mat B ₁₀ into three parts. and a gear mechanism _g1 .

Gear mat G is rolling frame B
It was laid on the subfloor b ₁₁ placed inside the
The front end is pivotally supported on a support plate 29 protruding from the rolling frame B. The gear mechanism _g1 is for pushing up the gear mat g, and is composed of a motor 30, a worm reducer 31, and a gear lever 32.

The gear rod 32 consists of a pair of left and right arm rods 32' connected to the worm reducer 31, and a push-up roller 32'' provided at the tip thereof.
The rotational center of the gear lever 32 is provided at a position away from the rotational center of the gearage mat g toward the head side by at least the thickness of the gearage mat g and the lower floor _b11 .

Incidentally, the advantage of this gearing device G is that the upward pressure of the gearing rod 32 acts to prevent the gearing mat g from being compressed by an adjacent mat.

Incidentally, in the embodiment, a bed for a patient equipped with a gear mechanism G is described, but it goes without saying that the present invention is also intended for a bed for a patient that is not equipped with a gear mechanism G.

(Effects of the invention) Since the invention is constructed as described above, it has the effects described below.

By providing a transport mechanism, it is possible to place a bathtub adjacent to the bed (recumbent bathtub) without having to take the trouble of placing the simple bathtub on the bed.
It is possible to almost automatically bathe a bedridden patient. At the same time, the rolling device prevents bedsores in bedridden patients. Therefore, it is possible to provide a bed for a sick person that can significantly reduce the burden on nurses.

[Brief explanation of the drawing]

The drawings show an embodiment of the patient's bed according to the present invention, in which Fig. 1 is a plan view with a portion cut away, Fig. 2 is an enlarged sectional view taken along the line 2-2 in Fig. 1, and Fig. 3 is an enlarged side view. Figure 4 is a sectional view taken along the line 4-4 in Figure 2, Figure 5 is a partially cutaway plan view of the movable body in a moved state, and Figures 6 and 7 are for lifting and lowering. FIG. 8 is a cross-sectional view of the case body, and FIG. 9 is a cross-sectional plan view taken along line 9--9 in FIG. 2. In the figure, b: laying mat, Y: bed body,
X: bathtub, F: transport mechanism, D: rolling device,
5: Lifting mat, _f1 : Lifting device, _f2 : Case body, _f7 : Lower guide ring, _f5 : Leg, _f6 : Engagement groove,
_F8 : Feed rod, f: Moving body, _a1 : Head part, _a2 : Foot part, 8: Guide protrusion, _f4 : Upper guide wheel,
6': Guide rail, _f2 : Automatic return gear,
B: Rolling frame, _b1 : Pivot, D′: Swing device.

Claims (1)

[Scope of utility model registration request] The transport mechanism includes a transport mechanism that transports the patient on a bed mat to a bathtub adjacent to the bed main body, and a rolling device that prevents bed sores on the patient. The front and rear legs are vertically disposed at the front end and have a lower guide ring at the lower end, and the feed rod is cantilevered in the middle of the leg and is disposed horizontally under the laying pine and has an engaging groove carved along its entire length. A pair of movable bodies are formed, and an upper guide ring is provided on the lower surface of the case body to engage with guide protrusions formed on the upper surface of the head portion and the foot portion, and
A guide rail for the lower guide wheel is provided at the head portion and the lower end of the foot so as to be able to move in and out, and an automatic feed-back gear that engages with the meshing groove and is rotatable in forward and reverse directions is provided under the laying mat, and the rolling device A bed for a sick person, which is provided with a rocking device that swingably supports a rolling frame that supports a laying mat, and rotates the axis of the rolling frame left and right by a constant angle.