KR102311865B1 - a medical bed - Google Patents

Abstract

The present invention is to selectively adjust the height of the bed, adjust the inclination of the head or legs, adjust the standing angle of the back or legs, fold the shin and thigh in two stages, and adjust the left and right inclination of the bed. It is intended to provide a medical bed that can be modified and used for wheelchair use, so that it can be modified in various ways according to the patient's condition to provide ease of use that can contribute to the prevention of bedsores, etc.
That is, the present invention is a transport cart provided with wheels having a brake function to the lower side; a first actuator for height adjustment installed in front of the transfer cart and a second actuator for height adjustment installed in front of the transfer cart; first and second bracket members installed to rotate on the first and second actuators for height adjustment; a pair of support shafts installed on the first and second bracket members to be supported by bearings that can be drawn out in the axial direction; a lifting member coupled to the support shaft; It is configured to include a bed top plate that is installed in a fixed state on the elevating member.

Description

a medical bed

The present invention relates to a medical bed that can be used not only by general patients, but also by elderly patients, debilitated patients, paralyzed patients, unconsciousness, and critically ill patients who cannot change their position by themselves, such as post-surgery states, specifically, height adjustment of the bed , to adjust the inclination of the head or legs, adjust the standing angle of the back or legs, fold the shin and thigh in two stages, and adjust the left and right inclination of the bed. The purpose of this study is to provide a medical bed that can be modified in various ways according to the patient's condition to provide convenience in use that can contribute to the prevention of bedsores, etc.

In the case of critically ill patients who cannot change their position on their own, such as elderly patients, debilitated patients, paralyzed patients, unconsciousness, or post-surgery conditions, if they do not change the patient’s position at least every 1 to 2 hours with the help of a caregiver or guardian, Since pressure sores occur, it is necessary to change the position at regular intervals and keep the skin around the skin clean and dry.

For this purpose, medical beds of various configurations are provided.

As a representative example, a medical bed of Republic of Korea Patent Publication No. (B1)10-0947374 (Mar. 15, 2010) has been proposed, and the configuration is that a pair of mutually opposing fixtures are formed on the inner central both sides of the wall as well as the corners of each of the bottom surfaces. a bed frame having a leg having a moving roller installed in the portion, a plurality of loess bed units are installed, and a separation prevention portion formed on both sides to prevent separation of the loess bed unit; a support plate installed on the loess bed unit to support the loess bed unit; A head part installed on the support plate, a body part extending below the head part to guide the elevation of the loess bed unit, and extending below the body part, seated on the upper side of the elastic spring, and inside the elevation member a unit for elevating and lowering installed in a state of maintaining a constant height from the floor surface and comprising a seating portion that applies pressure to the space; an elevating member installed on the upper end of the fixing table of the bed frame and having an elastic spring disposed therein, an inlet through which hydraulic and pneumatic pressure is injected and discharged, is formed on the upper side, and vertically moves the elevating unit in up and down directions; a drip tray which is located in the inner space of the bed frame, the wheels are installed on each corner of the bottom, and the bottom has a constant inclined surface; It is installed on the bed frame, angle adjustment means for angular motion of the bed frame; is made to include a configuration such as.

As another example, a medical bed of Republic of Korea Patent Publication No. (B1)10-1493467 (2015.02.16.) has been proposed, and the configuration includes a lower frame; an upper frame detachably installed on the lower frame; a patient support frame that is rotatably installed on the upper frame to support the upper or lower body of the patient, and rotates while moving to one side or the other side of the upper frame; a patient seat coupled to the patient support frame so that the patient can lie down; and an upper frame elevating unit connecting the lower frame and the upper frame to elevate the upper frame from the lower frame, wherein the upper frame elevating unit comprises: a first driving member installed in the lower frame; a first rotating part rotatably installed on the lower frame to be connected to the first driving member; a second rotating part rotatably installed on the lower frame to interlock with the first rotating part; and a link part connecting the second rotating part and the upper frame, and being folded through rotation of the second rotating part to elevate the upper frame.

Most of the conventional medical beds described above have a configuration capable of implementing a function capable of erecting the patient's upper body, lifting the leg, or adjusting the height of the bed. There was a demand for a multifunctional medical bed that can be changed and provided for use in a wheelchair, and can also be modified and used as a wheelchair if necessary.

US 100947374 B1 2010.03.15. US 101493467 B1 2015.02.16.

Accordingly, the present inventor has researched and developed the present invention to eliminate all the problems of the conventional medical bed described above.

That is, in the present invention, the bed top plate constituting the bed is divided into a back support plate, a hip support plate, and a leg support plate, and the leg support plate is divided into a thigh support plate and a calf support plate. The first and second actuators are operated individually or simultaneously to raise and lower the bed top or adjust the inclination of the head or legs, and the actuator for backrest plate, actuator for leg support plate, and actuator for calf support plate are operated individually or in combination The backrest plate can be used to stand up or the thigh support plate and calf support plate can be erected in various ways. The present invention with the technical problem of the invention in providing a medical bed that provides convenience to contribute to the prevention of bedsores, etc. by transforming the bed in the best state by erecting or laying down the leg support plate consisting of a thigh support plate and a calf support plate it will be completed

In the present invention as a means to solve the problem, the first is a transport cart equipped with wheels having a brake function to the lower side; a first actuator for height adjustment installed in front of the transfer cart and a second actuator for height adjustment installed in the rear of the transfer cart; first and second bracket members installed to rotate on the first and second actuators for height adjustment; a pair of support shafts installed on the first and second bracket members to be supported on bearings that can be drawn out in the axial direction; a lifting member coupled to the support shaft; It characterized in that it comprises a bed top plate which is installed in a fixed state to the elevating member.

Second, when withdrawing the piston of the first actuator for height adjustment, the support shaft slides out along the bearing installed on the second bracket member in the axial direction to tilt the bed top plate downward from the first actuator for height adjustment to the second actuator for height adjustment. And, when withdrawing the piston of the second actuator for height adjustment, the support shaft slides out along the bearing installed on the first bracket member in the axial direction to tilt the bed top plate downward from the second actuator for height adjustment to the first actuator for height adjustment. characterized by one.

Third, including an actuator for tilting fixed so that both ends are rotated on the transfer cart and the bed top plate; The bed top plate and the actuator for tilting are installed to one side when viewed from the width direction, and when the piston of the actuator for tilting is completely withdrawn, the bed top plate is tilted to the opposite side where the actuator for tilting is fixed, and the piston of the actuator for tilting is completely It is characterized in that the bed top is tilted toward the side where the tilting actuator is fixed when it is retracted, and the bed top is in a horizontal state when the piston of the tilting actuator is in a neutral position.

Fourth, the bed top plate and the butt support plate fixedly installed to rotate in the width direction on the elevating member; an actuator for a back support plate connected to the butt support plate and a hinge, and an actuator for a back support plate which is fixed to rotate at both ends to the buttock support plate and the back support plate to set up or lay down the back support plate; It is characterized in that it comprises an actuator for a leg support plate connected to the buttock support plate and hinge on the opposite side from the back support plate, and an actuator for a leg support plate which is fixed so that both ends are rotated to the buttock support plate and the leg support plate to set up or lay down the leg support plate.

Fifth, the leg support plate includes a thigh support plate connected to the buttock support plate and a hinge; It is divided into a thigh support plate and a calf support plate connected by a hinge; the thigh support plate is erected or laid down by an actuator for the leg support plate; Both ends of the thigh support plate and the calf support plate are fixed to rotate so as to include an actuator for the calf support plate for erecting or laying down the calf support plate; It is characterized in that when the piston of the actuator for the calf support plate is withdrawn, the calf support plate is unfolded in a horizontal state, and the calf support plate is folded when the piston of the actuator for the calf support plate is drawn in.

Sixth, a footrest is further provided on the leg support plate; The footrest is characterized in that it is configured so that the length can be adjusted by installing an actuator for the footrest between the footrest and the calf support plate.

When using the medical bed provided by the present invention, there are the following effects.

The first and second actuators for height adjustment installed at the front and rear of the bed top are separately or simultaneously in the state that the bed top plate is divided into a back support plate, a hip support plate, and a leg support plate, and the leg support plate is divided into a thigh support plate and a calf support plate. Operate to elevate the upper plate or adjust the inclination of the head or legs, and operate the actuator for the back support plate, the actuator for the leg support plate, and the actuator for the calf support plate alone or in combination to make the back support plate stand up or the thigh support plate and Since the calf support plate can be used in various standing positions, the bed top plate can be modified and used in various ways according to the purpose of use.

The bed can be folded like a chair and used as a substitute for a wheelchair.

As described above, the bed top plate can be tilted in the width direction, thereby reducing the incidence of bedsores and the like by easily turning a patient with poor mobility.

Since the leg support plate can be bent in two stages, the leg can be lifted and supported at a predetermined angle when the leg is broken.

Therefore, caregivers or guardians who take care of critically ill patients who cannot change their position by themselves, such as elderly patients, debilitated patients, paralyzed patients, unconsciousness, and post-operative conditions, use the present invention to frequently change the patient's position to significantly reduce the invention of bedsores, etc. It will be possible to provide an exercise effect.

1 is an external perspective view showing a preferred embodiment of a medical bed provided by the present invention;
Figure 2 is a perspective view showing a state in which the bed top plate is separated from the medical bed provided by the present invention;
Figure 3 is a front view of the medical bed provided in the present invention
Figure 4 is a side view of the medical bed provided in the present invention
5 is a plan view of the medical bed provided in the present invention;
Figure 6 is a bottom view of the medical bed provided in the present invention
7 is a perspective view showing the installation state of the first and second actuators for height adjustment in the present invention;
8 is a side view showing the operating state of the first and second actuators for height adjustment in the present invention;
9 is a perspective view showing the installation state of the actuator for tilting provided in the present invention;
10 is a front view showing the operating state of the actuator for tilting provided in the present invention;
11 is a side view and a plan view showing the installation state of the actuator for the backrest plate provided in the present invention;
12 is a side view showing the operating state of the actuator for the backrest plate provided in the present invention;
13 is a side view and a plan view showing the installation state of the actuator for the leg support plate and the actuator for the calf support plate provided in the present invention;
14 is a side view showing the operating state of the actuator for the leg support plate and the actuator for the calf support plate provided in the present invention;
15a to 15j are exemplary views showing various modified states of the medical bed provided by the present invention;

Hereinafter, a preferred embodiment of the medical bed provided by the present invention will be described based on the accompanying drawings.

Figure 1 is an external perspective view showing a preferred embodiment of the medical bed provided by the present invention, Figure 2 is a perspective view showing a state in which the bed top plate is separated from the medical bed provided in the present invention, Figures 3 to 6 is a front view, a side view, a top view and a bottom view of the medical bed provided by the present invention, respectively.

The medical bed (1) provided by the present invention is largely divided into a transport cart (2), a lifting member (3) on the upper side of the transport cart (2), and a bed top plate (4) on the upper side, as shown.

The transfer bogie 2 is provided with wheels 22 installed on the lower side of the bogie frame 21 to provide mobility, and the brake is installed on the bogie frame 21 to be exposed to the outside, and according to the operation of the brake By installing an interlocking link, it is possible to break the wheels 22 installed in all directions to ensure mobility and also to fix the wheels 22 in a specific place.

A first actuator 23 for height adjustment is installed in the front (head side) of the bogie frame 21, and a second actuator 24 for height adjustment is installed in the rear (foot side).

The first and second bracket members 25 and 26 are respectively coupled to the piston rods of the first and second actuators 23 and 24 for height adjustment in a rotatable configuration.

A support shaft 27 is installed parallel to the pair of first and second bracket members 25 and 26 facing each other so that the operation can be made in connection with the operation of the first and second actuators 23 and 24 for height adjustment. do.

As described above, the lifting member 3 is installed on the pair of support shafts 27 installed in parallel to the first and second bracket members 25 and 26 .

On the upper side of the lifting member 3, the shaft support part 31 is formed to protrude upward in the front and rear directions, and the shaft support part 31 overlaps with the upper plate fixing member 41 formed below the bed top plate 4 . The bed top plate 4 can be coupled to the elevating member 3 by coupling them to each other with the fixing pins 32 in the lifted state.

At this time, the fixing pin 32 is coupled in the longitudinal direction of the bed top plate 4, that is, in the front-back direction, and the tilting actuator 33 is installed so that both ends are rotated on the transfer cart 2 and the bed top plate 4 . The bed top plate 4 and the actuator 33 for tilting are installed to be inclined to one side when viewed in the width direction so that the bed top plate 4 can be rotated in the width direction by the operation of the actuator 33 for tilting.

7 is a perspective view showing the installation state of the first and second actuators for height adjustment in the present invention, and FIG. 8 is a side view showing the operating state of the first and second actuators for height adjustment in the present invention.

In the present invention, a pair of support shafts are provided on the first and second bracket members 25 and 26 together with the first and second actuators 23 and 24 for height adjustment so that the bed top plate 4 can be tilted toward the head or feet. (27) is installed so that the linked operation can be made.

That is, the first and second actuators 23 and 24 for height adjustment are coupled such that the pistons are rotated to the first and second bracket members 25 and 26 in a state fixed to the transfer cart 2 , the bed top plate 4 ), the distance between the first and second bracket members 25 and 26 is increased when any one of the first and second actuators 23 and 24 for height adjustment is lifted to be tilted toward the head or feet. However, to conform to this structure, in the present invention, the bearings 28 slidable in the axial direction are coupled to the first and second bracket members 25 and 26, and both ends of the support shaft 27 are coupled thereto.

When the first and second actuators 23 and 24 for height adjustment and the support shaft 27 are installed as described above, the bearing installed on the second bracket member 26 when withdrawing the piston of the first actuator 23 for height adjustment As the support shaft 27 slides in the axial direction along (28), the bed top plate 4 is inclined downward from the first actuator 23 for height adjustment to the second actuator 24 for height adjustment, and the second for height adjustment When the piston of the actuator 24 is withdrawn, the support shaft 27 slides along the bearing 28 installed on the first bracket member 25 in the axial direction to move the bed top plate 4 to the height of the second actuator 24. It can be provided to be inclined downwardly toward the first actuator 23 for height adjustment.

Figure 9 is a perspective view showing the installation state of the actuator for tilting provided in the present invention, Figure 10 is a front view showing the operating state of the actuator for tilting provided in the present invention.

In addition, in the present invention, the bed top plate 4 is tilted by rotating it left and right in the width direction.

As a configuration for this, an actuator 33 for tilting is installed so that both ends are rotated on the transfer cart 2 and the bed top plate 4 . At this time, the bed top plate 4 and the actuator 33 for tilting are installed to be biased toward one side when viewed from the width direction.

At this time, when the piston of the tilting actuator 33 is completely withdrawn, the bed top plate 4 is tilted to the opposite side to which the tilting actuator 33 is fixed, and when the piston of the tilting actuator 33 is completely retracted, the tilting actuator The bed top plate 4 is inclined toward the fixed side (33), and when the piston of the tilting actuator 33 is in a neutral position, the bed top plate 4 is configured to be in a horizontal state.

On the other hand, the bed top plate 4 provided in the present invention is fixed to the elevating member 3 with a fixing pin 32 as shown and is coupled to the top plate fixing member 41 rotated in the width direction with the butt support plate 42 and , is configured to include a back support plate 43 for supporting the back and a leg support plate 44 for supporting the lower body of the leg.

Hereinafter, the coupling state of each component constituting the bed top plate 4 will be described in more detail.

11 is a side view and a plan view showing the installation state of the actuator for the backrest plate provided in the present invention, and FIG. 12 is a side view showing the operating state of the actuator for the backrest plate provided in the present invention.

The back support plate 43 provided in the present invention is configured to be rotated by being interconnected by a hinge on one side of the buttock support plate 42 .

In addition, an actuator 45 for the back support plate is installed between the buttock support plate 42 and the back support plate 43 so that the back support plate 43 can be erected or laid down at various angles.

The actuator 45 for the back support plate forms a fixing bracket under the buttock support plate 42 and the back support plate 43, and a fixing means such as a pin or a bolt nut is coupled thereto to be rotatably coupled.

When the actuator 45 for the back support plate is operated in the state where the actuator 45 for the back support plate is installed so that both ends are fixed to the buttock support plate 42 and the back support plate 43 as described above, the buttock support plate 42 in a fixed state ) and the back support plate 43 connected by a hinge is erected or laid down to be in a horizontal state with the buttock support plate 42 .

13 is a side view and a plan view showing the installation state of the actuator for the leg support plate and the actuator for the calf support plate provided in the present invention, and Figure 14 is the operating state of the actuator for the leg support plate and the actuator for the calf support plate provided in the present invention A side view showing

In the case of the leg support plate 44 provided in the present invention, as shown, it may be divided into a thigh support plate 44a and a calf support plate 44b.

Preferably, the thigh support plate 44a connected to the buttock support plate 42 and the hinge, and the thigh support plate 44a and the calf support plate 44b connected by the hinge are mutually combined to form the leg support plate 44 .

At this time, an actuator 46 for the leg support plate is installed between the buttock support plate 42 and the thigh support plate 44a so that the thigh support plate 44a can be erected or laid down at various angles.

The actuator 46 for the leg support plate forms a fixing bracket on the lower side of the buttock support plate 42 and the thigh support plate 44a, and is rotatably coupled thereto by coupling a fixing means such as a pin or a bolt nut.

Then, both ends are fixed to the thigh support plate 44a and the calf support plate 44b to rotate, and an actuator 47 for the calf support plate is installed so that the calf support plate 44b is erected or laid down.

The actuator 47 for the calf support plate forms a fixing bracket on the lower side of the thigh support plate 44a and the calf support plate 44b, and a fixing means such as a pin or a bolt nut is coupled thereto to be rotatably coupled to the calf. When the piston of the actuator 47 for the support plate is withdrawn, the calf support plate 44b is unfolded in a horizontal state, and when the piston of the actuator 47 for the support plate is drawn in, the calf support plate 44b is configured to be folded.

In addition, in the present invention, it is configured to further include a footrest 48 to the side of the calf support plate 44b.

The footrest 48 may be configured to be adjustable in length in the longitudinal direction of the bed top plate 4, and length adjustment is made by installing an actuator 49 for the footrest between the footrest 48 and the calf support plate 44b. configure it to be

The medical bed 1 of the present invention configured as described above can be changed into various shapes as shown in FIGS. 15A to 15J to promote patient convenience.

For example, 1) the basic function of using the bed top plate (4) in a horizontal state, 2) the function to adjust the height of the bed top plate (4), 3) the function to lift the head and make it incline, 4) to lift the leg direction Function to raise and incline, 5) Function to raise backrest plate (43), 6) Function to raise legrest plate (44), 7) To lower calf plate (44b) horizontally while lifting leg plate (44) Function to provide state, 7) Function to raise leg support plate (44) while lifting backrest plate (43), 8) Function to use as a substitute for wheelchair, 9) Tilt the bed top plate (4) in the width direction Functions and the like may be provided individually or in combination, and examples of use of each function will be described below.

1) Basic function of using the bed top plate (4) in a horizontal state

The basic function of using the bed top plate 4 in a horizontal state is the most basic function of maintaining the bed top plate 4 horizontally as shown in FIG. 15A .

2) Function to adjust the height of the bed top plate (4)

The function of adjusting the height of the bed top plate 4 is to simultaneously operate the first and second actuators 23 and 24 for height adjustment located between the moving cart and the lifting member 3 as shown in FIG. 15b to operate the bed top plate 4 ) to adjust the height.

3) A function to lift the direction of the head and incline it

The function of lifting and inclining the direction of the head is the head direction (backrest support plate 43 side) of the first and second actuators 23 and 24 for height adjustment located between the moving bogie and the elevating member 3, as shown in Fig. 15c. It is a function to adjust the bed top plate (4) to be inclined downward toward the legs by lifting it.

4) Function to incline by lifting the direction of the legs

The function of lifting and inclining the leg direction is the leg direction (leg support plate 44 side) among the first and second actuators 23 and 24 for height adjustment located between the moving cart and the elevating member 3, as shown in FIG. 15D. It is a function to adjust the bed top plate (4) to be inclined downward toward the head by lifting it.

5) The function of lifting the backrest support

The function of lifting the back support plate 43 is a function of operating the actuator 45 for the back support plate 43 to stand up or lay down the back support plate 43 at a predetermined angle, as shown in FIG. 15E .

6) The function of lifting the footrest plate (44)

The function of lifting the leg rest plate 44 is a function of operating the actuator 46 for the leg rest plate to stand up or lay down the leg rest plate 44 at a predetermined angle, as shown in FIG. 15F .

7) The function of providing the calf support plate (44b) in a horizontally lowered state while the leg support plate (44) is lifted

The function of providing the calf support plate 44b in a horizontally lowered state while the leg support plate 44 is lifted is a leg support plate for erecting or laying down the thigh support plate 44a constituting the leg support plate 44 as shown in FIG. 15g. It is a function that can provide convenience to patients with leg fractures by individually operating the actuator for (44) and the actuator for the calf plate that operates the calf support plate (44b).

8) The function of lifting the leg support plate (44) while lifting the back support plate (43)

The function of lifting the leg support plate 44 while lifting the back support plate 43 is as shown in FIG. 15h by operating the actuator 45 for the back support plate and the actuator 46 for the leg support plate together to move the patient to the upper and lower body. It was made to be bent together.

9) Function to use as a substitute for a wheelchair

The function used as a substitute for a wheelchair is a function of lowering the legrest plate 44 toward the ground by operating the actuator 46 for the legrest plate in a state in which the backrest plate 43 is raised as shown in FIG. 15i and using it as a chair. am.

10) Function to tilt the bed top plate (4) in the width direction

The function of tilting the bed top plate 4 in the width direction is a function of rotating the bed top plate 4 with the actuator 33 for tilting, as shown in FIG. 15j .

This is a function to incline the bed top plate 4 in the width direction.

In the detailed description of the present invention, although specific embodiments are described, various modifications are possible without departing from the scope of the present invention. Therefore, the protection scope of the present invention should not be limited to the described embodiments, and should be defined by the following claims as well as equivalents.

1: Medical bed 2: Transport cart
21: bogie frame 22: wheel
23: first actuator for height adjustment 24: second actuator for height adjustment
25, 26: first and second bracket members 27: support shaft
28: bearing 3: elevating member
31, 41: shaft part 32: fixing pin
33: actuator for tilting 4: bed top
42: buttock support plate 43: back support plate
44: leg support plate 44a: thigh support plate
44b: calf support plate 45: actuator for back support plate
46: Actuator for leg rest plate 47: Actuator for calf rest plate
48: scaffold 49: actuator for scaffold

Claims (6)

a transport cart 2 provided with wheels 22 having a brake function on the lower side;
a first actuator 23 for height adjustment installed in front of the transfer cart 2 and a second actuator 24 for height adjustment installed in the rear of the transfer cart 2;
first and second bracket members 25 and 26 installed to rotate on the first and second actuators 23 and 24 for height adjustment;
a pair of support shafts (27) installed on the first and second bracket members (25, 26) so as to be supported by bearings that can be drawn out in the axial direction;
a lifting member 3 coupled to the support shaft 27;
It is a configuration including a bed top plate (4) installed in a fixed state on the lifting member (3);
When withdrawing the piston of the first actuator 23 for height adjustment, the support shaft 27 slides out along the bearing 28 installed on the second bracket member 26 in the axial direction to adjust the height of the bed top plate 4 The first actuator 23 is inclined downward toward the second actuator 24 for height adjustment, and when the piston of the second actuator 24 for height adjustment is withdrawn, the bearing 28 installed on the first bracket member 25 is As the support shaft 27 slides out in the axial direction, the bed top plate 4 is inclined downward from the second actuator 24 for height adjustment to the first actuator 23 for height adjustment.
delete The method of claim 1 ;
including an actuator 33 for tilting fixed at both ends to the transfer cart 2 and the bed top plate 4;
The bed top plate 4 and the actuator 33 for tilting are installed to one side when viewed from the width direction, and when the piston of the actuator 33 for tilting is completely withdrawn, the bed for tilting the actuator 33 is fixed to the opposite side. When the top plate 4 is tilted and the piston of the actuator 33 for tilting is completely retracted, the bed top plate 4 is tilted toward the side where the actuator 33 for tilting is fixed, and the piston of the actuator 33 for tilting is neutral. A medical bed, characterized in that the bed top plate (4) is in a horizontal state when in the position.
The method of claim 1 ;
The bed top plate (4) and the butt support plate (42) fixedly installed to rotate in the width direction on the elevating member (3);
The buttock support plate 42 and the back support plate 43 connected by a hinge, and both ends are fixed to the buttock support plate 42 and the back support plate 43 so that both ends are rotated to erect or lay down the back support plate 43. )Wow;
The leg support plate 44 connected to the buttock support plate 42 and the hinge opposite the backrest support plate 43 and the buttock support plate 42 and the leg support plate 44 are fixed so that both ends are rotated to erect the leg support plate 44. Medical bed, characterized in that it is configured to include an actuator (46) for the leg rest plate to lie down.
5. The method of claim 4;
The leg support plate 44 includes a thigh support plate 44a connected to the buttock support plate 42 and a hinge;
but divided into a thigh support plate (44a) and a calf support plate (44b) connected by a hinge;
The thigh support plate (44a) is erected or laid down by the actuator (46) for the leg support plate;
Both ends are fixed to the thigh support plate (44a) and the calf support plate (44b) to be rotated so as to include an actuator (47) for the calf support plate for erecting or laying down the calf support plate (44b);
When the piston of the actuator 47 for the calf support plate is withdrawn, the calf support plate 44b is unfolded in a horizontal state, and the calf support plate 44b is folded when the piston of the actuator 47 for the calf support plate is drawn in. medical bed.
6. The method of claim 5;
The legrest plate 44 further includes a footrest 48;
The footrest 48 is a medical bed, characterized in that it is configured to be adjustable in length by installing an actuator 49 for the footrest between the footrest 48 and the calf support plate 44b.

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