KR102540238B1 - Stretcher traction bed device for ambulance - Google Patents

Abstract

The present invention relates to a stretcher traction bed device for an ambulance, comprising: a scuff box fixed to the floor of a patient room of an ambulance; A sliding bed installed in the screw box so that the angle is changed by a transmission device when lifting and lowering the stretcher; It is characterized in that it includes; a transmission device installed in the scoo box to adjust the angle of the sliding bed so that the angle of the sliding bed is changed in the scoo box so that the sliding bed is drawn out of the ambulance when the stretcher is lifted and unloaded. , When the stretcher is loaded or unloaded, a part of the sliding bed comes out as it slides to the rear of the ambulance to prevent the stretcher from colliding with the rear of the ambulance, preventing shock from being transmitted to the patient and being guided by the laser light emitted from the laser module Because the line is made, one paramedic can stably load and unload the stretcher on the sliding bed.

Description

Stretcher traction bed device for ambulance {Stretcher traction bed device for ambulance}

The present invention relates to a stretcher traction bed device for an ambulance, and more particularly, a sliding bed whose angle is electrically changed when a stretcher is lifted or lowered is installed to be located on the top of a scooby box, and irradiated by a laser module when a stretcher is lifted or lowered. It relates to a stretcher traction bed device for an ambulance that allows one paramedic to move easily by creating a guideline on the floor by laser light.

An ambulance is a special vehicle that transports an emergency patient to a nearby hospital, and has an internal space for accommodating various medical equipment and a patient stretcher for emergency treatment. A stretcher is accommodated in the inner space, and the stretcher is movably installed so that it can be accommodated in the inner space or taken out. Through this structure, the patient can be quickly transported.

Looking at the process in which the stretcher carrying the patient is taken out from the inner space, the stretcher moves in a sliding manner along the frame provided on the floor of the inner space and is taken out. And, as soon as the stretcher is taken out, the stretcher is in a movable state as the legs provided on the stretcher are unfolded.

In this way, in the process of taking the stretcher out of the inner space, there is a risk that the stretcher may fall to the floor. The stretcher not only has a solid frame structure made of metal for safety, but also has a large weight because the weight of the patient is added, which is why there is a possibility that the operator will miss it while taking out the stretcher. In particular, since a large load is applied at the moment when the stretcher is completely taken out and separated from the internal space of the ambulance, the risk of the stretcher falling is high.

As prior literature for solving the above problems, the 'ambulance stretcher unloading device' of Registration Patent Publication No. 10-1592489 (published on February 5, 2016) is a base located in the vehicle in the longitudinal direction of the vehicle and guiding the movement of the stretcher. A frame, a locking unit that moves linearly in the longitudinal direction of the base frame and locks or unlocks the stretcher, a lever mounted on the locking unit and releasing the lock, and a drive unit that moves the locking unit, and the base frame includes a width direction Guide grooves are formed on both sides in the longitudinal direction, and an arch portion is formed between the guide grooves so that when the wheel of the stretcher is located in the arch portion, it is configured to go down to the guide groove by its own weight, and the simple stretcher is stored in the arch portion of the base frame. A storage space capable of doing so is formed, and a cover for opening and closing the opening of the storage space while turning in an up and down direction by a gas shocker is mounted.

In the above prior literature, since the angle of the base frame is not adjusted when unloading the stretcher, one paramedic has to do the process of straightening the legs of the stretcher alone when unloading the stretcher, which causes difficulties in unloading the stretcher. there is.

In addition, there is a problem that it is difficult to ride the stretcher on the base frame due to the added weight of the stretcher and the patient because the angle of the base frame is not adjusted even when the patient is riding the stretcher.

Registered Patent Publication No. 10-1592489 (2016.02.05. Notice)

In order to solve the above problems, the present invention has a sliding bed whose angle is electrically changed when lifting and lowering a stretcher is installed at the upper part of a scooby box, and a guideline is provided by laser light emitted from a laser module when lifting and lowering a stretcher. The purpose of making it easy for one paramedic to move;

The purpose of reducing the friction between the sliding bed and the stretcher to facilitate loading and unloading of the stretcher;

It is an object of the present invention to provide a stretcher traction bed device for an ambulance that informs the state of fixation by a locking device in a state where the stretcher is positioned on the sliding bed so that the fastening state of the stretcher can be checked.

The present invention is a means for achieving the above object,

A screw box fixed to the floor of the ambulance's patient room; A sliding bed installed in the screw box so that the angle is changed by a transmission device when lifting and lowering the stretcher; A transmission device installed in the scpu box to adjust the angle of the sliding bed so that the angle of the sliding bed is changed in the scpu box so that the sliding bed is drawn out of the ambulance when the stretcher is lifted and unloaded. Provides a stretcher towing bed device for an ambulance.

The scpu box of the present invention is characterized by forming an angle maintaining surface formed on the scpu box so that the changed angle of the sliding bed is maintained by the transmission device.

The sliding bed of the present invention. a bed body located on top of the screw box so that the angle is adjusted by the locking device; An inclined member installed on one side of the bed body whose angle is changed by a locking device so that the stretcher can be easily moved when lifting and lowering the stretcher; A laser module installed on the inclined member to form a guideline by irradiating laser light onto the floor so that one paramedic can easily get on and off the stretcher; A plurality of rollers installed on the inclined member to facilitate loading and unloading by reducing friction with the stretcher; A locking device installed on the bed body so that the stretcher striker is diverged from the indicator fastened to the correct position while fixing the state in which the stretcher is located on the bed body.

The inclined member of the present invention is characterized in that a lamp-type indicator is installed to inform the fastening state in a state where the stretcher is coupled to the locking device.

The laser module of the present invention is characterized in that it is installed at both ends and the center of the inclined surface of the inclined member so that the approach direction and angle of the stretcher can be displayed by the irradiated laser light.

The roller of the present invention is characterized in that it is installed to be positioned at one end of the inclined member and between the inclined member and the bed body, respectively.

The locking device of the present invention includes a locking body installed at the front end of the bed body made of a 'c' shape with an inlet portion provided; a latch installed inside the locking body so that the striker of the stretcher can fix the position located inside the locking body through the inlet; a lever installed on the lock body to release the latch; It is characterized in that it includes; a sensing unit installed inside the locked body electrically connected to emit light from the indicator by detecting a state in which the striker installed at the lower part of the stretcher is fixed to or released from the latch.

The stretcher of the present invention is characterized in that a plurality of sliding guides are installed on the stretcher leg to correspond to the plurality of rollers to reduce friction during loading and unloading.

In the present invention, since the sliding bed whose angle is changed by electric power when lifting and lowering the stretcher is installed at the upper part of the scuff box, and a guideline is created by the laser light emitted from the laser module when lifting and lowering the stretcher, one paramedic There is an effect of stably loading and unloading the stretcher on the sliding bed.

According to the present invention, a part of the sliding bed comes out while the stretcher slides to the rear of the ambulance when the stretcher is lifted and unloaded, thereby preventing the stretcher from colliding with the rear surface of the ambulance, thereby preventing shock from being transmitted to the patient and at the same time stably positioning the stretcher directly on the sliding bed has the effect of

In the present invention, since the state in which the stretcher is fixed by the locking device installed on the sliding bed is displayed by the indicator, the fastening state of the stretcher can be clearly determined, so that the stretcher is stably fixed.

The present invention has the effect that one paramedic can easily get on and off by installing a sliding guide on the leg of the stretcher corresponding to the roller to reduce the friction between the sliding bed and the stretcher when getting on and off the stretcher.

1 is a perspective view showing a stretcher traction bed device for an ambulance according to the present invention.
Figure 2 is a perspective view showing a state in which the sliding bed is moved in the scupou box shown in Figure 1;
Figure 3 is a view showing a plane in a state in which the sliding bed is moved in the scpu box shown in Figure 2;
Figure 4 is a perspective view showing the configuration of the locking device shown in Figure 2;
Figure 5 is a side view showing a state in which the stretcher gets on or off the sliding bed of the stretcher traction bed device for an ambulance according to the present invention.
Figure 6 is a view showing a state in which the sliding guide installed on the leg of the stretcher of Figure 5 is in close contact with the roller to get on or off the stretcher.
Figure 7 is a view showing a state in which the ambulance stretcher traction bed device according to the present invention is installed in the patient's room of the ambulance.

Hereinafter, a stretcher traction bed device for an ambulance according to the present invention will be described.

An ambulance stretcher traction bed device according to the present invention is an angle by the screw box 100 fixed to the floor of the patient room 510 of the ambulance 500 and the transmission device 300 when the stretcher 400 is lifted and lowered. The angle of the sliding bed 200 installed in the scpu box 100 and the sliding bed 200 in the scoo box 100 is changed so that the stretcher 400 is lifted and lowered. Sliding bed 200 ) is installed in the screw box 100 so that it is drawn out of the ambulance 500 and is composed of a transmission device 300 that adjusts the angle of the sliding bed 200, and the ambulance when lifting and unloading the stretcher 400 ( 500) As part of the sliding bed 200 comes out while sliding backwards, the stretcher 400 is prevented from colliding with the back of the ambulance 500, thereby preventing shock from being transmitted to the patient, and irradiation from the laser module 230 Since the guideline is created by the laser light to be, it is characterized in that one paramedic stably lifts and lowers the stretcher 400 on the sliding bed 200.

A stretcher traction bed device for an ambulance according to the present invention having the above characteristics will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a stretcher traction bed device for an ambulance according to the present invention, and FIG. 2 is a perspective view showing a state in which a sliding bed is moved in the scupou box shown in FIG. 1, and FIG. 3 is shown in FIG. It is a view showing a plane in which the sliding bed is moved in the screwed box, and FIG. 4 is a perspective view showing the configuration of the locking device shown in FIG. 2. am.

1 to 4, the ambulance stretcher traction bed device according to the present invention is installed in the patient room 510 of the ambulance 500 in the longitudinal direction of the vehicle, and when the stretcher 400 is lifted and unloaded, the screw One side protrudes while adjusting the angle of the sliding bed 200 to the outside of the ambulance 500 by the transmission device 300 installed in the box 100.

The scpu box 100 has an angle maintaining surface 110 inclined to facilitate the formation of an angle while maintaining the adjusted angle of the sliding bed 200 on one side of the upper surface.

In addition, the scoo box 100 forms an installation hole 120 so that the locking device 250 can be installed in an open state, and the installation hole 120 is formed in the longitudinal direction of the scoo box 100. is formed in plural.

The sliding bed 200 is installed on the top of the scuff box 100, and the angle is adjusted when the stretcher 400 is lifted and lowered by the locking device 250, so that one paramedic can lift the stretcher 400, to facilitate disembarkation.

The sliding bed 200 is easily moved when the bed body 210 and the stretcher 400 are lifted and unloaded so that the angle is adjusted by the locking device 250 The inclined member 220 installed on one side of the bed body 210, the angle of which is changed by the locking device 250, irradiates the floor with laser light so that one paramedic can easily load and unload the stretcher. A laser module 230 installed on the inclined member 220 to form a guideline and a plurality of rollers 240 installed on the inclined member 220 to reduce friction between the stretcher 400 and facilitate loading and unloading, A locking device 250 installed on the bed body 210 to fix the state in which the stretcher 400 is positioned on the bed body 210, and the movement of the stretcher 400 when getting on and off the bed body 210 A plurality of rails 260 installed on the bed body 210 to be located on one side of the locking device 250 to guide the stretcher 400 to facilitate movement of the stretcher 400 by interaction with the locking device 250 It is characterized in that it is configured to include a plurality of stoppers 270 installed on the top of the bed body 210 to be located on one side of the rail 260 to prevent restrictions and shaking.

The bed body 210 has a bed inner groove (not shown) corresponding to the installation hole 120 formed in the screw box 100, and the bed inner groove is coupled with the cylinder rod 330 of the transmission device 300 It is preferable that a coupling member (not shown) is installed, and the coupling member facilitates the movement of the bed body 210 during ascending and descending by the locking device 250.

As shown in the drawings, the inclined member 220 has a plurality of side panels 221 formed in a triangular shape installed to fit the left and right widths of the bed body 210, and the side panels to facilitate loading and unloading of the stretcher 400 An inclined surface 222 is installed on the top of the panel 221 to be inclined at a predetermined angle.

In addition, a lamp-type indicator 280 indicating a fixed state in a state in which the stretcher 400 is coupled to the locking device 250 is installed on the inclined member 220, and the stretcher 400 is attached to the locking device 250. The combination is completed and the fixed state and the uncoupled state are confirmed by the light of the lamp so that the paramedic can know the fixed state of the stretcher 400.

The laser module 230 is installed at both ends and the center of the inclined surface 222 of the inclined member 220 to display the approach direction and angle of the stretcher 400, and irradiates the laser light. The laser module 230 installed in the center of the inclined surface 222 is installed on the lower side of the indicator 280 so that when the laser light is irradiated, interference with the light of the lamp irradiated to the indicator 280 does not occur.

The roller 240 is installed to be positioned at one end of the inclined member 220 and between the inclined member 220 and the bed body 210, respectively, to reduce friction when getting on and off the stretcher. As shown in the drawing, the roller 240 is not limited to being installed equal to the length of the left and right widths of the bed body 210, and is installed in various forms to facilitate loading and unloading of the stretcher 400.

A plurality of sliding guides 411 for reducing frictional force are installed on the plurality of stretcher legs 410 corresponding to the roller 240, and the plurality of sliding guides 411 are formed in a triangular shape as a whole, and the roller 240 ) In a state of close contact with the stretcher 400, friction is reduced when the stretcher 400 is lifted, so that one paramedic can easily move the stretcher.

The locking device 250 is installed at the front end of the bed body 210 to fix the state in which the stretcher 400 is positioned above the bed body 210 of the sliding bed 200.

The locking device 250 has an inlet portion 252 and constitutes a locking body 251 having a 'c' shape, and a striker (not shown) installed at the bottom of the stretcher 400 is inserted into the inlet portion ( 252), a latch 253 is installed inside the lock body 251 to fix the state located inside the lock body 251, and the lever 254 for releasing the latch 253 is locked. Installed on one side of the body 251, and the striker installed at the bottom of the stretcher 400 is drawn into the inside of the lock body 251 to detect a locked state or a released state. Detected inside the locked body 251 Section 255 is installed.

The detection unit 255 is installed inside the inlet unit 252 of the locking body 251 and is electrically connected to the indicator 280 so that paramedics can check the connection or separation of the stretcher 400.

The detection unit 255 is located in the proper position of the stretcher bed body 210 and the striker is fastened by the latch 253 of the lock body 251 and the striker is locked by the latch 253 of the lock body 251 Depending on the separated state, the indicator 280 emits light so that the paramedics can check the fastening state of the stretcher 400.

The rails 260 are installed in plurality in the longitudinal direction of the bed body 210 to be located on one side of the locking device 250 so as to guide the stretcher 400 when lifting and lowering. In addition, the plurality of rails 260 are gradually extended only from one side of the locking device 250 to a predetermined position, and are made parallel to the end of the bed body 210 at the predetermined position to guide the lifter 400 when getting on and off. make it happen

The stopper 270 is located at the end of the rail formed on the upper part of the bed body 210 so that the stretcher cannot move in one direction while positioned on the upper part of the bed body 210, and at the same time locking device 250 To maintain the fixed state of the stretcher 400 by interaction with.

The stopper 270 is installed on the upper part of the bed body 210 so as to be positioned on one side of the plurality of rails 260, so that the stretcher leg 410 of the stretcher 400 is supported. . Inside the plurality of stoppers 270, a buffer rubber is installed to prevent damage when the stretcher leg 410 is in close contact.

In addition, it is installed in the screw box 100 so that the angle of the bed body 210 can be adjusted in order to raise and lower the stretcher 400, so that the angle of the bed body 210 of the sliding bed 200 can be adjusted. 300 is provided.

The transmission device 300 includes a motor 310 installed in the screw box 100 and a cylinder coupled to the motor 310 and driven by the motor 310 to adjust the angle of the bed body 210 ( 320).

The cylinder 320 is equipped with a cylinder rod 330 to be able to move in and out of the cylinder body by driving the motor 310, and the ambulance 500 itself of the bed body 210 by the operation of the cylinder rod 330 The angle of the bed body 210 is adjusted at the same time as one side protrudes to the outside of the.

The action of the ambulance stretcher traction bed device according to the present invention configured as described above will be described through the accompanying drawings.

Figure 5 is a side view showing a state in which the stretcher gets on or off the sliding bed of the stretcher traction bed device for an ambulance according to the present invention, and Figure 6 is a sliding guide installed on the legs of the stretcher of FIG. 5 is in close contact with the roller to lift the stretcher It is a view showing a state of getting on or off, and FIG. 7 is a view showing a state in which the stretcher traction bed device for an ambulance according to the present invention is installed in the patient room of an ambulance.

Referring to FIGS. 5 to 7, the sliding bed 200 first operates the driver's seat of the ambulance 500 or the controller of the patient's room 510 to drive the transmission device 300 in order to unload the stretcher 400. When an electrical signal is applied through, the motor 310 of the transmission device 300 is driven and the cylinder 320 is operated so that the bed body 210 of the sliding bed 200 is moved to the ambulance 500 by the cylinder rod 330 One side protrudes to the outside and at the same time one side of the bed body 210 is raised so as to be maintained at a predetermined angle.

At this time, the angle of the sliding bed 200 is set and maintained by the interaction between the angle maintaining surface 110 formed on one side of the screw box 100 and the rising length of the cylinder rod 330.

As described above, in the state where the angle of the sliding bed 200 is adjusted, the lever 254 of the locking body 251 is operated to release the fixed state of the striker installed in the lower part of the stretcher 400 by the latch 253, so that the paramedics can This stretcher 400 can be moved.

At this time, when the striker is separated from the locking device 250, the sensing unit 255 of the locking body 251 protrudes toward the inlet 252 and applies an electrical signal to the indicator 280 to emit light. radiate

When the stretcher 400 is separated from the locking device 250, light is emitted from the indicator 280 installed on the inclined surface to display the separation state of the stretcher 400 so that emergency personnel can check. At this time, the laser module 230 installed on the inclined surface 222 also irradiates laser light so that the moving position of the stretcher 400 is displayed.

When the patient is transported by the stretcher 400, the location of the stretcher 400 is indicated by the laser light irradiated from the laser module 230 and the moving direction is guided along with the stretcher 400, and the stretcher is moved along the displayed laser light. 400 is moved so that the bed body 210 is stably loaded.

In the stretcher 400 guided by the laser light, the sliding guide 411 installed on the stretcher leg 410 is in close contact with the roller 240 to be installed on the inclined member 220 installed on one side of the bed body 210, When the stretcher 400 is pushed in the direction of the patient room 510 of the ambulance 500 in a closely attached state, the sliding guide 411 rolls on the roller 240, reducing the frictional force to move the stretcher 400 to the sliding bed 200 Loading is made easy with the top of the.

Guided by the laser light, the stretcher 400 is moved to the upper part of the bed body 210. At this time, the stretcher 400 is prevented from moving left and right at the top of the bed body 210 while being guided by the rail 260 do.

Since the stretcher 400 moving to the bed body 210 is accurately guided to the locking device 250 installed on the upper part of the bed body 210, it reduces mistakes of leaving the locking device 250 and stably attaches to the locking body 251. It is coupled and secured to the latch 253. The striker installed at the bottom of the bed body 210 is coupled to and fixed to the latch 253 of the locking device 250, which can selectively operate the locking device 250 by operating the remote controller, so that the stretcher can be stably fixed.

In addition, when the stretcher 400 is loaded, the movement of the stretcher 400 is restricted by the stopper 270 installed on one side of the bed body 210, and the stretcher 400 is locked by the locking device 250 as described above is stably fixed.

In addition, the sensor 255 located inside the inlet 252 of the lock body 251 is pushed into the lock body 251 by the striker, and an electric signal is applied to the indicator 280 to emit light to stretcher The emergency personnel can recognize that the striker of (400) is normally fastened in the correct position.

As described above, the sliding bed 200, the angle of which is changed by a transmission device when lifting and lowering the stretcher 400, is installed on top of the scuff box 100, and the laser module when lifting and lowering the stretcher 400 Since the guideline is created by the laser light irradiated from (230), one paramedic can stably load and unload the stretcher (400) on the sliding bed (200).

In the present invention, a part of the sliding bed 200 comes out while sliding to the rear of the ambulance 500 when the stretcher 400 is loaded and unloaded, so that the stretcher 400 is prevented from colliding with the rear surface of the ambulance 500, thereby reducing impact. Since the stretcher 400 is stably positioned directly on the sliding bed 200 while preventing it from being transferred to the patient, it has the advantage of being easy to get on and off the sliding bed 200.

In addition, in the present invention, since the state in which the stretcher 400 is fixed by the locking device 250 installed on the sliding bed 200 is displayed by the indicator 280, the fastening state of the stretcher 400 can be clearly determined. 400 is stably fixed.

In addition, sliding guides 411 are installed on the legs of the stretcher 400 corresponding to the rollers 240 to reduce friction between the sliding bed 200 and the stretcher 400 when getting on and off the stretcher, so that one paramedic is easy. There is an advantage to being able to get up and down.

While this specification contains many specific implementation details, they should not be construed as limiting on the scope of any invention or claim, but rather as a description of features that may be unique to a particular embodiment of a particular invention. It should be understood. Certain features that are described in this specification in the context of separate embodiments may also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments individually or in any suitable subcombination. Further, while features may be depicted as operating in a particular combination and initially configured as such, one or more features from a configured combination may in some cases be excluded from that combination, and a configured combination may be a subcombination or subcombination. It can be changed to transform.

On the other hand, the embodiments of the present invention disclosed in this specification and drawings are only presented as specific examples to aid understanding, and are not intended to limit the scope of the present invention. In addition to the embodiments disclosed herein, it is obvious to those skilled in the art that other modified examples based on the technical idea of the present invention can be implemented.

100: screw box 110: angle holding surface
120: installation hole 200: sliding bed
210: bed body 220: inclined member
221: side panel 222: inclined surface
230: laser module 240: roller
250: locking device 251: locking body
252: inlet 253: latch
254: lever 255: detection unit
260: rail 270: stopper
280: indicator 300: powertrain
310: motor 320: cylinder
330: cylinder rod 400: stretcher
410: stretcher leg 411: sliding guide
500: ambulance 510: patient room (510)

Claims (8)

a scuff box 100 fixed to the floor of the patient room 510 of the ambulance 500;
A sliding bed 200 installed in the screw box 100 so that the angle is changed by the transmission device 300 when the stretcher 400 is lifted and lowered;
Installed in the scoo box 100 so that the sliding bed 200 is drawn out of the ambulance 500 when the stretcher 400 is lifted and unloaded by changing the angle of the sliding bed 200 in the scoo box 100 It includes; a transmission device 300 for adjusting the angle of the sliding bed 200;
The sliding bed 200,
a bed body 210 positioned above the screw box 100 so that the angle is adjusted by the locking device 250;
An inclined member 220 installed on one side of the bed body 210 whose angle is changed by the locking device 250 so that the stretcher 400 can be easily moved when getting on and off the stretcher 400;
A laser module 230 installed on the inclined member 220 to form a guideline by irradiating laser light onto the floor so that one paramedic can easily get on and off the stretcher 400;
A plurality of rollers 240 installed on the inclined member to facilitate loading and unloading by reducing friction with the stretcher 400;
A locking device 250 installed on the bed body 210 so that the stretcher 400 is positioned on the bed body 210 so that the indicator diverges from the indicator fastened to the position of the striker of the stretcher 400;
Stretcher traction bed device for an ambulance comprising a. According to claim 1,
The scooby box 100,
Stretcher traction bed device for an ambulance, characterized in that the angle maintaining surface 110 is formed so that the changed angle of the sliding bed 200 is maintained by the transmission device 300. delete According to claim 1,
The inclined member 220,
Stretcher traction bed device for an ambulance, characterized in that a lamp-type indicator 280 indicating the fastening state in a state in which the stretcher 400 is coupled to the locking device 250 is installed. According to claim 1,
The laser module 230,
An ambulance stretcher traction bed device, characterized in that it is installed at both ends and the center of the inclined surface 222 of the inclined member 220 so as to display the approach direction and angle of the stretcher 400 by laser light. According to claim 1,
The roller 240,
Ambulance stretcher traction bed device, characterized in that installed to be located between one end of the inclined member 220 and between the inclined member 220 and the bed body 210, respectively. According to claim 1,
The locking device 250,
A locking body 251 having an inlet 252 formed in a 'c' shape and installed at the front end of the bed body;
a latch 253 installed inside the locking body 251 so that the striker of the stretcher 400 can fix the position located inside the locking body 251 through the inlet 252;
a lever 254 installed on the lock body 251 to release the latch 253;
A detector 255 installed inside the locked body 251 electrically connected to emit light from the indicator by detecting a state in which the striker installed at the lower part of the stretcher 400 is fixed to or released from the latch 253;
Stretcher towing bed device for an ambulance comprising a. According to claim 1,
The stretcher 400,
Ambulance stretcher traction bed device, characterized in that a plurality of sliding guides 411 are installed on the stretcher leg 410 to correspond to the plurality of rollers 240 to reduce friction when getting on and off.

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