KR101878410B1 - Method of keeping it horizontal position for stretcher cart - Google Patents

Abstract

The present invention relates to a stretcher cart and a method of keeping horizontality of the stretcher cart. The stretcher cart, on which a patient lies down, comprises: a bed portion including a horizontal main frame and an upper frame formed in parallel with the main frame; a posture adjusting portion formed on the upper frame, and including a first support portion supporting an upper body, a second support portion supporting a buttock portion, and a third support portion hinged to the second support portion and supporting a femoral region and a calf region; an angle adjusting portion adjusting an angle of the first support portion and the third support portion so as to keep an optimal posture of the patient′s body; driving means formed on a lower portion of the bed portion, and provided to enable the bed portion to move; and a horizontality keeping portion including a sensor provided to detect horizontality of the bed portion to always keep the bed portion in a horizontal state regardless of inclination of a ground surface, on which the driving means is moved, and a microcomputer receiving a signal from the sensor to control the level of the height the angle adjusting portion. According to the present invention, an angle of the stretcher cart can be changed or maintained to keep the patient in an optimal posture so as to prevent an affected area from deteriorating, thereby enhancing an effect of protecting the patient.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a horizontal holding method of a patient transfer needle, and more particularly, to a horizontal holding method of a position which is changed according to a terrain tilting state when a patient is lying on a transfer needle bed.

In general, a patient-transporting stretcher is used to urgently transfer a patient who can not move due to illness or trauma to a hospital safely. A patient-carrying device that is easy to carry and easy to transport is used.

The multi-purpose structural stretcher according to the prior art consists of a bed on which a patient lays down and a handle formed on both sides of the bed, which can be of paramedic origin.

However, in emergency patients, it is often necessary to perform postural changes such as lower extremity bleeding such as legs or feet or dyspnoea due to heart failure during the transplantation. It is important.

However, in the case of the current patient transfer needle bed, the bed portion of the transfer needle bed is fixed at an angle to maintain the desired position based on the flat flat surface. Therefore, if there is a slope due to the elevation of the ground during the patient transfer, Problems exist.

Korean Registered Patent No. 0770053.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a horizontal retention method capable of maintaining a posture regardless of a ground state during transportation, have.

It is an object of the present invention to provide a patient transfer needle for receiving a patient lying thereon, comprising: a main frame formed horizontally; a plurality of supports vertically formed at corners of the main frame; And a top frame formed in parallel with the main frame. A posture adjusting unit formed on the upper frame and configured to include a first support unit for supporting the upper body, a second support unit for supporting the buttocks, and a third support unit hinged to the second support unit to support the thighs and calves. An angle adjuster for adjusting an inclination angle of the first and third support portions to maintain an optimal body posture; Driving means formed at a lower portion of the bed portion so as to be movable; A sensor for sensing the level of the bed part so as to always maintain a horizontal state of the bed part irrespective of a tilting of the ground on which the driving part is moved; a first elevating device of the angle adjusting part by receiving a signal of the sensor; And a horizontal holding portion composed of a microcomputer controlling the projecting and retracting operation of the rod of the lift device and the projecting and retreating operation of the cylinder rod of the third lift device, and a horizontal holding method thereof.

According to the present invention, the angle can be deformed and maintained in an optimal posture in which the patient is laid down or the upper body or lower body is not inclined or worsened, and the effect of protecting the patient can be improved, and the patient is loaded on the ambulance So that it can be stably loaded with minimal impact.

1 and 2 are perspective views showing a patient transfer needle according to the present invention,
FIG. 3 is an exploded perspective view showing a patient transfer needle according to the present invention,
4 is a front view showing a patient transfer needle according to the present invention,
FIG. 5 is a front view showing an example in which a 'first support' and a 'third support' are operated in a patient transfer needle according to the present invention;
6 and 7 are front views showing folding operation of the 'third support' in the patient transfer needle according to the present invention,
8A and 8B are enlarged perspective views of the 'driving means'
9 is a front view of the 'driving means'
FIG. 10 is a front view showing an example in which the height of the patient transfer needle according to the present invention is adjusted to the lowest state,
11 is a front view showing a state in which the patient transfer needle is inclined according to the present invention,
FIG. 12 is a control flowchart showing a method of horizontally holding a patient transfer needle according to the present invention;
Figures 13 and 14 illustrate horizontal retention of a patient transfer needle according to the present invention,

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

A patient transfer needle and its horizontal holding method according to the present invention is for lying down or moving the patient.

A driving unit 800 coupled to a lower portion of the bed unit 100 for driving the floor and a posture adjusting unit for adjusting the posture of the bed unit 100 by adjusting the bending rate of the bed unit 100 300 and a horizontal holding portion.

4, the bed section 100 includes a main frame 120 formed horizontally, a plurality of supports 140 formed perpendicular to corners of the main frame 120, And a top frame 160 formed on the top of the main frame 120 and formed in parallel with the main frame 120. A protective guard 107 is formed on the side surface.

1 and 2, a storage unit 150 is formed in a space between the upper frame 160 and the main frame 120 to accommodate the emergency equipment. The battery is also located in the storage unit 150 to smoothly supply power to the emergency equipment and to manage the battery easily.

Various medical devices can be stored in the storage unit 150, thereby significantly improving the equipment storage efficiency, and further, devices for notifying the patient's bio-signal, and cardiopulmonary resuscitation equipment can be mounted.

An eye bolt 108 is formed at a lower portion of the main frame 120 to connect the line when the helicopter is transported.

On the other hand, a searchlight L is formed on one side of the bed portion 100. The search light L can be used for ensuring the visibility by illuminating during the night or while driving, and can act as a warning light that can inform the surroundings due to the flashing operation of the search light L when the emergency patient is transported, It will help to transport.

The posture adjusting unit 300 is formed on the upper frame 160, and the sheet M is engaged. The seat is made of a cushion material so that it can be flexed and provides elasticity for the patient to lie comfortably.

Preferably, the posture control unit 300 includes a first support unit 500 for supporting the upper body, a second support unit 600 for supporting the buttocks, a second support unit 600 hinged to the second support unit 600, And a third support part 700 for supporting the second support part 700.

The third supporting part 700 is hinged to one side of the upper frame 160 and the third supporting part 700 is hinge-connected to the second supporting part 140 formed in the middle of the upper frame 160. [ And a calf support frame 740 hinged to the femoral support frame 720.

And an angle adjusting unit 8 for adjusting the first support unit 500 and the third support unit 700 to maintain an optimal body posture.

3, the angle adjusting portion includes a first elevating device 520 connected to the upper frame 160 to adjust the angle of the first supporting portion 500; A second lifting device 640 connected to the upper frame 160 to adjust the angle of the femoral support frame 720 of the third supporting part 700; And a third elevating device 750 connected to the main frame 120 to adjust an angle of the calf support frame 740.

The first elevating device 520 or the second elevating device 640 may be a hydraulic and pneumatic cylinder provided opposite to the intermediate support block 162 of the upper frame 160 and having a rod that operates to project in and out, Can be selected.

The third lifting device 750 includes a third cylinder unit 752 having a cylinder rod hinged to the main frame 120 and hung from the cylinder body and operated from the cylinder body. A second link piece 761 hinged to the other end of the first link piece 761 and hinged to the calf support frame 740, the first link piece 761 having one end hinged to the upper frame 160, And a cylinder rod of the third cylinder unit 752 is hinged to the first link piece 761 of the refraction member 760. The first link piece 761 of the refraction member 760 is hinged to the cylinder rod of the third cylinder unit 752. [

And a rail induction wheel 3 formed on the front lower portion of the main frame 120 and driven on the bottom rail of the ambulance.

A plurality of rails are formed at the bottom of an ordinary ambulance, and the rail guide wheels 3 are inserted into the bottom rails, so that linear movement can be smoothly performed.

2, the rail induction wheel 3 includes a wheel cover 32 attached to the bottom surface of the main frame 120 so as to be freely rotatable by 360 °, A wheel bracket 33 to be rotated and a roller 34 to be axially coupled to the wheel bracket 33.

The wheel bracket 33 is provided to provide a height to the extent that the bed portion 100 does not touch the floor of an ambulance, and a length of about 10 to 15 cm is suitable.

4 and 5, further includes an auxiliary rail induction wheel 5 formed at an intermediate lower portion of the main frame 120 and capable of distributing the load and being able to be driven on the bottom rail of the ambulance can do.

The auxiliary rail induction wheel 5 includes a wheel cover attached to a bottom surface of the main frame to be freely rotatable by 360 °, a wheel bracket accommodated in the wheel cover and rotationally operated, And a roller.

The auxiliary rail induction wheel 5 is formed so as to be in contact with the rail induction wheel 3 described above.

The first leg 810 and the second leg 820 are formed symmetrically to the lower portion of the main frame 120.

And first and second actuators 811 and 822 connecting the first leg 810 and the second leg 820 to the main frame 120.

Each of the first and second actuators 811 and 822 is extended and contracted by connecting the main frame 120 to the first leg 810 and the second leg 820, And a cylinder unit or an electric motor for extending or collapsing the legs 820.

For example, when the first and second actuators 811 and 822 are cylinder units, the cylinder body is hinged to the main frame 120, and the cylinder rod, which is operated to project from the cylinder body, And is hinged to the two legs 820.

Or the first and second actuators 811 and 822 are electric motors, the motor body is hinged to the main frame 120, and a rod that moves in and out of the motor body is connected to the first leg 810 or the second leg 820 As shown in Fig.

Each of the first and second actuators 811 and 822 has a function of controlling the angle of the first leg 810 and the second leg 820 by the rod operation according to a signal from the controller, The overall height can be raised or lowered.

The load of the first and second actuators 811 and 822 is pulled in order to lower the height of the bed part 100 so that the patient can be easily boarded and the first leg 810 and the second leg 820 are moved upward So that the height of the bed part 100 is lowered (see FIG. 4).

When the patient is moved after the patient is carried thereafter, the rod of the first and second actuators 811 and 822 is pulled out so that the first leg 810 and the second leg 820 are pulled to each other, (See FIG. 5).

And a driving unit 800 which is formed at a lower portion of the bed unit 100 and is movable.

The driving means 800 includes a main wheel 840 and a driven wheel 850 formed at the lower end of the first leg 810; And an electric motor 860 for providing power to drive the main wheel 840 of the first leg 810.

The first leg 810 also includes a plate 870 and a wheel support bracket 890 coupled to both sides of the plate 870 and through which the axle of the main wheel 840 passes.

The wheel support bracket 890 includes a driven gear 842 having a shaft hole through which the shaft of the main wheel 840 passes and coupled to the shaft of the main wheel 840, And a driven gear 864 coupled to the shaft of an electric motor 860 that is engaged with the output shaft 864.

So that the driven gear 864 is positioned above the driven gear 842. Therefore, the rotational force of the driven gear 864 of the electric motor 860 is transmitted to the driven gear 842 to perform the deceleration function.

Further, the main wheel 840 can be disposed below the electric motor 860, and the main wheel 840 is disposed below the plate 870, so that the frame on the upper side of the plate 870 does not touch the outer peripheral surface of the main wheel 840, And is designed not to interfere with the wheel 840.

The horizontal holding unit includes a sensor T for sensing the horizontal position of the bed unit 100 so that the horizontal position of the bed unit 100 can be maintained at all times regardless of the tilting of the ground on which the driving unit 800 is moved, Control of the protruding and retracting operation of the first elevating device 520 of the angle adjusting part and the rod of the second elevating device 640 and the protruding and retreating operation of the cylinder rod of the third elevating device 750 by receiving the signal of the sensor T .

The sensor T is formed on both sides and in the middle of the main frame 120 of the bed part 100. [

The sensor (T) is a gyro sensor.

As shown in FIG. 12, the control method of the patient transfer needle described above includes a first step (S1) of reading the output value of the sensor (T) according to the inclination of the bed part (100); (S2) analyzing whether the output value of the sensor (T) is inclined forward or backward of the bed part (100); A third step (S3) of calculating an angle value through a microcomputer when the bed unit 100 is tilted forward or rearward; (S4) of driving the first actuator 811 or the second actuator 822 to maintain the horizontal position of the bed unit 100 in order to compensate for the angular value.

13, in the step 4, it is determined that the front side of the bed part 100 is downwardly inclined with the ground face down, and the first actuator 811 is operated to raise the front part of the bed part 100 So as to be horizontal.

 14, in the step 4, when it is determined that the ground surface is inclined upward and the rear of the bed part 100 is lowered, the second actuator 822 is operated to raise the rear part of the bed part 100 So as to be horizontal.

3: rail induction wheel 5: auxiliary rail induction wheel
100: bed part 120: main frame
150: storage portion 160: upper frame
200: driving means 300:
500: first support part 600: second support part
700: third support part 720: thigh support frame
740: calf support frame 750: third lift device
760: refraction member 761: first link piece
762: second link piece 800: driving means
811: first actuator 822: second actuator
840: Pivoting wheels 850: Pivoting wheels
860: Electric motor 870: Plate
T: sensor

Claims (15)

In a patient transfer bed accommodating a patient to lie down,
A bed portion comprising a main frame formed horizontally, a plurality of supports vertically formed on corners of the main frame, and an upper frame formed on an upper end of the plurality of supports and formed in parallel with the main frame;
A posture adjusting unit formed on the upper frame and configured to include a first support unit for supporting the upper body, a second support unit for supporting the buttocks, and a third support unit hinged to the second support unit to support the thighs and calves.
The third support portion is hinged to one side of the upper frame. The third support portion includes a femoral support frame hinged to a second support formed at the middle of the upper frame, and a calf support frame hinged to the femur support frame and,
A first elevating device connected to the upper frame to adjust an angle of the first supporting part to adjust an inclination angle of the first supporting part and the third supporting part to maintain an optimal body posture, A second elevation device connected to the upper frame to adjust an angle and a third elevation device connected to the main frame to adjust an angle of the calf support frame;
Driving means formed at a lower portion of the bed portion so as to be movable; And
A sensor for sensing the level of the bed part so as to always maintain the horizontal state of the bed part irrespective of the tilting of the ground on which the driving part is moved; a first elevating device of the angle adjusting part upon receiving a signal of the sensor; And a horizontal holding part composed of a microcomputer controlling the projecting and retreating operation of the teeth of the teeth and the projecting and retreating operation of the cylinder rod of the third lift device,
The third platform
A third cylinder unit having a cylinder body hinged to the main frame and having a cylinder rod that moves in and out of the cylinder body;
A first link piece having one end hinged to the upper frame, and a second link piece hinged to the other end of the first link piece and hinged to the calf support frame,
And the cylinder rod of the third cylinder unit is hinged to the first link piece of the refraction member. The method according to claim 1,
Wherein the sensor is formed on both sides and in the middle of the main frame of the bed part. 3. The method of claim 2,
Wherein the sensor is a gyro sensor. The method according to claim 1,
And an auxiliary rail induction wheel formed at an intermediate lower portion of the main frame and driven by the bottom rail of the ambulance. 5. The method of claim 4,
The auxiliary rail induction wheel
A wheel cover attached to a bottom surface of the main frame,
A wheel bracket accommodated in the wheel cover and rotationally operated;
Roller axially coupled to the wheel bracket
Wherein the patient is a patient. delete The method according to claim 1,
Wherein the first elevating device or the second elevating device is a cylinder or a motor provided with a rod which is opposed to an intermediate support of the upper frame and which is operated to project and retract. delete The method according to claim 1,
The driving means
A first leg and a second leg symmetrically formed at a lower portion of the main frame;
A main wheel and a driven wheel respectively formed at the lower ends of the first leg and the second leg;
An electric motor for providing power for driving the main wheel of the first leg;
Wherein the patient is a patient. 10. The method of claim 9,
And a height adjustment device connecting the first leg and the second leg to the main frame,
The height adjustment device
Wherein the main body is a cylinder unit or an electric motor that extends or collapses the first leg and the second leg while expanding and contracting the main frame and the first and second legs, respectively. 10. The method of claim 9,
The first leg
Plate,
And a wheel support bracket coupled to both sides of the plate and through which an axis of the main wheel passes,
The wheel supporting bracket includes a driven gear formed at a lower portion thereof having a shaft hole through which a shaft of the main wheel passes, a plurality of interlocking gears coupled to the driven gear, and a plurality of interlocking gears And a main gear coupled to the shaft of the electric motor,
Wherein the main gear is positioned above the driven gear. The method according to claim 1,
And a rail induction wheel formed at a front lower portion of the main frame and driven by a bottom rail of the ambulance. The method according to claim 1,
And a storage unit is formed in a space between the upper frame and the main frame to store the emergency equipment. A method for controlling a patient transfer needle according to claim 1,
A step (S1) of reading the output value of the sensor according to the slope of the bed portion;
(S2) analyzing whether the output value of the sensor is inclined forward or backward of the bed portion;
A third step (S3) of calculating an angle value through a microcomputer when either the front or rear of the bed portion is inclined;
(S4) for driving the first actuator or the second actuator to compensate for the angular value to keep the bed unit horizontal;
Wherein the first and second support members are spaced apart from each other. 15. The method of claim 14,
In the fourth step S4,
If it is determined that the bed portion has descended forward, the first actuator is operated to be horizontally adjusted, or
And when the rear portion of the bed portion is determined to be lowered, the second actuator is operated to adjust the horizontal position of the bed portion.

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