CN214761843U - Multifunctional transfer flatcar for critical patients - Google Patents

Abstract

The utility model relates to the technical field of medical auxiliary instruments, in particular to a multifunctional transfer flatcar for critical patients, which comprises a bedstead, a bed board, universal wheels, a bed fence, a storage clamping groove, a storage frame, a hanging ring, a hook and a rainproof device; the article holding clamping grooves are a plurality of box bodies which are arranged on the bed fence and used for holding and clamping medical equipment; the storage frames are a plurality of frame bodies which are arranged on the cross rods or the vertical rods at the bottom of the bed board and used for placing and clamping medical appliances; the hanging ring and the hook are arranged on the bed rail or the bed frame and are used for hanging medical supplies; the rainproof device is arranged on the bed frame and can be opened to shield the bed board and the area above the bed fence. The utility model discloses convenient operation, it is multiple functional, not only have medical supplies such as guardianship equipment, first aid medicine and equipment and place the position, provide effective guarantee for the life safety of patient's transportation in-process, but also have rain-proof function, the effectual condition of having avoided patient and various guardianship equipment, medicine, equipment to be drenched by the rainwater takes place.

Description

Multifunctional transfer flatcar for critical patients

Technical Field

The utility model relates to a medical treatment auxiliary instrument technical field, concretely relates to multi-functional transportation flatcar of critical patient.

Background

In the process of critical patients, when some special examination (such as nuclear magnetic resonance, CT) or out-going examination needs to be performed, a transfer trolley is usually adopted to transfer the patients. The existing critical patient transfer trolley is simple in structure and single in function, is lack of equipment such as monitoring equipment, emergency medicines and equipment, cannot continuously monitor the state of an illness of a critical patient during transfer, possibly causes the patient to be incapable of observing in time when abnormal heart rhythm or heartbeat is stopped, further cannot timely take medicine for rescue, and has great potential safety hazard. Moreover, sometimes, the patient can be exposed to rain when going out for examination, and the patient can be easily wetted by the rain in the transferring process.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the utility model is to provide a multi-functional transportation flatcar of critical patient who not only has medical supplies such as guardianship equipment, first aid medicine and equipment and places the position, but also has rain-proof function.

The specific technical scheme is as follows:

a multifunctional transfer flat trolley for critically ill patients comprises a bedstead with four vertical rods, a bed board arranged on the bedstead, universal wheels arranged at the bottom of each vertical rod and provided with a brake, and bed railings arranged at two sides of the top of the bedstead; a cross bar is arranged between the adjacent vertical bars; also comprises a storage clamping groove, a storage frame, a hanging ring, a hook and a rainproof device; the article holding clamping grooves are a plurality of box bodies which are arranged on the bed fence and used for holding and clamping medical equipment; the storage frames are a plurality of frame bodies which are arranged on the cross rods or the vertical rods at the bottom of the bed board and used for placing and clamping medical appliances; the hanging ring and the hook are arranged on the bed rail or the bed frame and are used for hanging medical supplies; the rainproof device is arranged on the bed frame and can be opened to shield the bed board and the area above the bed fence.

Furthermore, the multifunctional transfer flat car for the critically ill patients also comprises an infusion support; the infusion support consists of a bottom plate, a threaded column, a supporting rod, a hanging frame, a locking threaded sleeve and a clamp; the bottom plate is fixed on the side surface of the bed frame or the bed rail; the threaded column is fixed on the upper surface of the bottom plate, a notch is vertically formed in the top of the threaded column, and an external thread is arranged outside the threaded column; the supporting rod is a multi-stage telescopic rod, and the bottom of the supporting rod is inserted into a notch at the top of the threaded column and then is hinged with the threaded column through a hinge rod; the hanging rack is fixed on the telescopic end at the top of the supporting rod; the locking screw sleeve is sleeved at the lower end of the supporting rod and can move downwards along the supporting rod to simultaneously sleeve the supporting rod and the threaded column in the supporting rod; the inner side surface of the locking screw sleeve is provided with an internal thread matched with the external thread of the threaded column, and the locking screw sleeve slides downwards and then is connected with the threaded column in a threaded manner; the clamp is arranged on the side surface of the bed frame or the bed rail corresponding to the support rod and can clamp the support rod after the support rod is laid down. When the infusion stand is used, the infusion stand is vertically placed; can be transversely placed when not used.

Furthermore, the article holding clamping grooves are two and are respectively used for placing and clamping the electrocardiogram monitor and the injection pump. The two article placing clamping grooves can be separately arranged and can also be integrally fixed on the inner side of the bed fence, the article placing clamping grooves are respectively matched with the electrocardiogram monitor and the injection pump, a rubber pad can be arranged in the article placing clamping grooves, and equipment can be clamped while the shock is absorbed.

Furthermore, the number of the storage frames is four; wherein the three article placing frames are arranged on a cross bar at the bottom of the bedstead and are respectively used for placing and clamping a breathing bag, an AED automatic external defibrillator and a sputum aspirator; the other storage frame is arranged on the vertical rod and used for placing and clamping the small oxygen cylinder; the rubber pad can be arranged in the storage frame, and the equipment can be clamped while the shock is absorbed.

Further, the hanging ring is used for hanging a closed thoracic drainage bottle; the hook is used for hanging a urine bag; the hanging ring is one and can be provided with a long-strip-shaped ring; one hook is enough.

Furthermore, the rainproof device comprises a shell, a rotating shaft, rainproof cloth, a pull rod and a clamping hook; the casing is a hollow cylinder fixed at one end of the bed frame and vertical to the length direction of the bed frame, and the top of the casing is provided with a strip-shaped hole parallel to the length direction of the casing; the rotating shaft is arranged in the shell in parallel to the length direction of the shell and can rotate in the shell; the waterproof cloth is wrapped on the rotating shaft and positioned in the shell, one end of the waterproof cloth is fixed on the rotating shaft, and the other end of the waterproof cloth extends out of the shell through the strip-shaped hole; the pull rod is positioned outside the shell and is fixedly connected with the extending end of the waterproof cloth; the two clamping hooks are respectively arranged at the other ends of the two bedrails far away from the shell; a hanging opening for the hook to pass through is formed in the position, corresponding to the hook, where the waterproof cloth is connected with the pull rod; the pull rod can pull the waterproof cloth to move from one end of the bed frame to the other end of the bed frame and then be clamped in the clamping hook; the width of the pull rod and the width of the waterproof cloth are both larger than the distance between the two clamping hooks. The pull rod is provided with a handle for pulling the pull rod, so that the pull rod and the waterproof cloth can be conveniently pulled out. The preferred structure makes the width of pull rod and waterproof cloth be greater than the interval in two bed fence outsides, and in the trip was not only blocked in to the pull rod like this, the waterproof cloth both sides just can surpass two bed fence outsides like this moreover, makes two bed fences provide the support for the waterproof cloth, and the bed fence with, pull rod, trip prop up the waterproof cloth jointly, avoid waterproof cloth and patient to contact, guarantee to have sufficient space between patient and the waterproof cloth.

Furthermore, the multifunctional transfer flatcar for the critically ill patients further comprises a power box provided with a storage battery and a socket which is arranged on the bedstead and is electrically connected with the storage battery; many medical devices require a power supply, and only a mobile power supply (a storage battery) can supply power during transportation.

Furthermore, the rotating shaft is an electric roller, the electric roller is electrically connected with a storage battery through a lead to form a loop, a first control switch is connected in the loop, and the first control switch is installed on the bedstead; electric drum's effect lies in, accomodates the waterproof cloth, stops or gets into no rain district back when external rain, takes out the pull rod from the trip in, starts control switch, and electric drum rotates, is drawn into the waterproof cloth is automatic in the casing.

Further, the bed board is divided into a front bed board and a rear bed board; the rear bed board is fixed on the bed frame; the rear end of the front bed board is hinged with the front end of the rear bed board, and the front end of the front bed board is placed on the bed frame and can be lifted upwards; the electric push rod is arranged on a cross rod which is positioned below the front bed plate and at the bottom of the bedstead, the lower part of the electric push rod is hinged to the cross rod, the upper telescopic end is hinged to the bottom of the front bed plate and can push or pull the front bed plate to lift or level, the electric push rod is electrically connected with the storage battery through a wire to form a loop, a second control switch is connected in the loop, and the second control switch is installed on the bedstead.

The utility model discloses convenient operation, it is multiple functional, not only have medical supplies such as guardianship equipment, first aid medicine and equipment and place the position, provide effective guarantee for the life safety of patient's transportation in-process, but also have rain-proof function, the effectual condition of having avoided patient and various guardianship equipment, medicine, equipment to be drenched by the rainwater takes place.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the multifunctional transportation flat car for critically ill patients of the present invention;

FIG. 2 is a schematic structural view of an infusion support in the multifunctional transportation flat car for critically ill patients according to the present invention;

FIG. 3 is a schematic structural view of the rain-proof device in the multifunctional transportation flat car for critically ill patients of the present invention;

FIG. 4 is a schematic structural view of the multifunctional transportation flat wagon for critically ill patients with the rainproof device opened to cover the bed board;

FIG. 5 is a schematic structural view of the multifunctional transportation flat car for critically ill patients when the front bed board is lifted;

shown in the figure: 1-bedstead, 2-vertical rod, 3-horizontal rod, 4-bed board, 5-universal wheel, 6-bed rail, 7-storage clamping groove, 8-storage frame, 9-infusion support, 91-bottom plate, 92-threaded column, 93-support rod, 94-locking screw sleeve, 95-hanging rack, 96-clamping hoop, 10-hanging ring, 11-hanging hook, 12-rainproof device, 121-shell, 122-strip-shaped hole, 123-rotating shaft, 124-rainproof cloth, 125-pull rod, 126-pull handle, 127-hanging opening, 128-clamping hook and 13-electric push rod.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

the utility model discloses a multi-functional transportation flatcar of critical patient who shows as fig. 1, fig. 4, including bedstead 1, bed board 4, universal wheel 5, bed fence 6, put thing draw-in groove 7, put thing frame 8, link 10, couple 11, rain insensitive device 12.

The bedstead 1 is a square frame body, four vertical rods 2 are arranged at four corners of the bottom of the bedstead 1, and cross rods 3 (having the effect of a stable structure) are connected between the adjacent vertical rods 2.

The bed board 4 is fixedly arranged (welded and fixed) on the top of the bed frame 1 and is used for bearing a patient.

The universal wheels 5 are arranged at the bottom of each vertical rod 2 and are provided with brakes (with brakes).

The bed railings 6 are arranged on two sides of the top of the bed frame.

The article holding clamping grooves 7 are two boxes which are arranged on the bed fence 6 and are respectively used for placing and clamping the ECG monitor and the injection pump, and side plates and a bottom plate of the box body are of solid or hollow structures, preferably hollow structures, so that the weight is saved. Two are put thing draw-in grooves 7 and can separately set up also integrative fixing in 6 inboards of bedrail (also can fix in 6 outsides of bedrail, can occupy too much space if the outside, so preferred setting is the inboard, owing to put thing draw-in groove 7 thickness and far be less than 4 width of bed boards, set up again at the bed board edge in addition, so little to patient's influence, put thing draw-in groove 7 inside match with ECG monitor and syringe pump respectively, can set up the rubber pad at its inner wall, can also the chucking equipment in the absorbing.

The storage frames 8 are four frame bodies which are arranged on the cross rods or the vertical rods at the bottom of the bed board and used for placing and clamping medical appliances; wherein, the three article placing frames 8 are arranged on the cross bar 3 at the bottom of the bedstead 1 and are respectively used for placing and clamping the breathing bag, the AED automatic external defibrillator and the sputum aspirator; the other storage frame 8 is arranged on the vertical rod 2 and used for placing and clamping the small oxygen cylinder; equally can put 8 inner walls of thing frame and set up the rubber pad, can also the chucking equipment in the absorbing.

The hanging ring 10 and the hook 11 are arranged on the bed rail 6 or the bed frame 1 and are used for hanging medical supplies. The hanging ring 10 is mainly used for hanging articles with hooks such as a closed thoracic drainage bottle and the like; the hook 11 is mainly used for hanging articles with rings or sleeves, such as urine bags; the hanging ring 10 is one and can be arranged into a long-strip-shaped ring; one hook 11 suffices.

The multifunctional transfer flatcar for the critically ill patients further comprises a power box provided with a storage battery and a socket which is arranged on the bedstead 1 and is electrically connected with the storage battery; many medical devices require a power supply, and only a mobile power supply (a storage battery) can supply power during transportation.

As shown in fig. 3, the rain-proof device 12 is installed on the bed frame 1 and can be opened to shield the area above the bed board 4 and the bed rail 6; the rainproof device 12 comprises a shell 121, a rotating shaft 123, rainproof cloth 124, a pull rod 125 and a clamping hook 128; the casing 121 is a hollow cylinder fixed at one end of the bed frame 1 and perpendicular to the length direction of the bed frame 1, and a strip-shaped hole 122 parallel to the length direction of the casing 121 is arranged at the top of the casing 121; the rotating shaft 123 is arranged in the housing 121 parallel to the length direction of the housing 121 and can rotate in the housing 121; the waterproof cloth 124 is wrapped on the rotating shaft 123 and is positioned in the shell 121, one end of the waterproof cloth 124 is fixed on the rotating shaft 123, and the other end of the waterproof cloth 124 extends out of the shell 121 through the strip-shaped hole 122; the pull rod 125 is positioned outside the shell 121 and is fixedly connected with the extending end of the waterproof cloth 124; the two hooks 128 are respectively arranged at the other ends of the two bedrails 6 far away from the shell 121; a hanging opening 127 for the hook 128 to pass through is arranged at the position where the waterproof cloth 124 is connected with the pull rod 125 and corresponds to the hook 128; the pull rod 125 can pull the waterproof cloth 124 to move from one end of the bed frame 1 to the other end of the bed frame 1 and then to be clamped in the clamping hook 128 (as shown in fig. 4); the width of the pull rod 125 and the waterproof cloth 124 is larger than the distance between the two hooks 128. The pull rod 125 is provided with a pull handle 126 for pulling the pull rod 125, so that the pull rod 125 and the waterproof cloth 124 can be conveniently pulled out. The preferred structure makes the width of pull rod 125 and waterproof cloth 124 be greater than the interval in two bed fence 6 outsides, and pull rod 125 can not only block in trip 128 like this, sets up waterproof cloth 124 both sides like this and just can surpass two bed fence 6 outsides, makes two bed fence 6 provide the support for waterproof cloth 124, and bed fence 6 props up waterproof cloth 124 with pull rod 125 and trip 128 jointly, avoids waterproof cloth 124 and patient's contact, guarantees to have sufficient space between patient and the waterproof cloth 124. The rotating shaft 123 is an electric roller, the electric roller is electrically connected with a storage battery through a lead to form a loop, a first control switch is connected in the loop, and the first control switch is installed on the bedstead 1; the electric roller is used for accommodating the waterproof cloth 124, when the outside rain stops or enters a no-rain area, the pull rod 125 is taken out of the clamping hook 128, the control switch is started, the electric roller rotates, and the waterproof cloth 124 is automatically rolled into the shell 121.

In the transferring process, the patient moves along with the transfer trolley, and the electrocardiogram monitor and the injection pump are placed in the storage clamping groove 7; the breathing bag, the AED automatic external defibrillator, the sputum aspirator and the small oxygen cylinder are respectively placed in the storage box 8, and the power line of the equipment needing power is plugged in the socket to be communicated with the storage battery for real-time monitoring and operation.

As shown in fig. 4, when a rain falls during the transportation process, the handle 126 is held by a hand, the pull rod 125 is pulled to move forward, the waterproof cloth 124 is pulled to move from one end of the bed frame 1 to the other end of the bed frame 1 while the pull rod 125 moves, and finally the pull rod 125 is clamped in the hook 128 (the hook 127 is sleeved on the hook 128). Because the width of the pull rod 125 and the waterproof cloth 124 is larger than the distance between the two bed fences 6, the two sides of the waterproof cloth 124 are supported by the bed fences 6, the waterproof cloth 124 is prevented from contacting with a patient, and meanwhile, the patient and the waterproof cloth 124 have enough space to facilitate air circulation.

Example two:

the difference between this embodiment and the first embodiment is:

the multifunctional transfer flat trolley for the critically ill patients further comprises an infusion support 9, and the infusion support 9 is used for hanging infusion bags or infusion bottles; the infusion support 9 consists of a bottom plate 91, a threaded column 92, a support rod 93, a hanger 95, a locking screw sleeve 94 and a hoop 96; the bottom plate 91 is fixed on the side of the bed frame 1 or the bed rail 6; the threaded column 92 is fixed on the upper surface of the bottom plate 91, a notch is vertically formed in the top of the threaded column 92, and an external thread is formed outside the threaded column 92; the supporting rod 93 is a multi-stage telescopic rod, and the bottom of the supporting rod 93 is inserted into a notch at the top of the threaded column 92 and then is hinged with the threaded column 92 through a hinge rod; the hanging rack 95 is fixed on the telescopic end at the top of the supporting rod 93; the locking screw sleeve 94 is sleeved at the lower end of the support rod 93 and can move downwards along the support rod 93 to simultaneously sleeve the support rod 93 and the threaded column 92 in the support rod; the inner side surface of the locking screw sleeve 94 is provided with an internal thread matched with the external thread of the threaded column 92, and the locking screw sleeve 94 slides downwards to the outside of the threaded column 92 and then is in threaded connection with the threaded column 92; the clip 96 is disposed on the side of the frame 1 or the rail 6 corresponding to the support rod 93 and can clip the support rod 93 after the support rod 93 is laid down. When in use, the infusion support 9 is vertically placed; can be transversely placed when not used.

When the infusion support is used, the supporting rod 93 of the infusion support 9 is changed from the horizontal direction to the vertical direction, the locking screw sleeve 94 slides downwards, the locking screw sleeve 94 is in threaded connection with the threaded column 92, the supporting rod 93 and the threaded column 92 are simultaneously sleeved by the locking screw sleeve 94, the supporting rod 93 is prevented from rotating, then the length of the upper end of the supporting rod 93 is adjusted, and an infusion bottle or an infusion bag can be hung. When the support rod 93 is not used, the support rod 93 is shortened, the locking screw sleeve 94 is screwed to separate the locking screw sleeve 94 from the threaded column 92, then the locking screw sleeve 94 is upwards slid to be completely separated from the threaded column 92, and finally the support rod 93 is downwards rotated to be transversely arranged and clamped on the clamp 96.

Example three:

the difference between this embodiment and the first or second embodiment is:

the bed plate 4 is divided into a front bed plate and a rear bed plate; the rear bed board is fixed on the bed frame 1; the rear end of the front bed board is hinged with the front end of the rear bed board, and the front end of the front bed board is placed on the bed frame 1 and can be lifted upwards; the electric bed is characterized in that an electric push rod 13 is arranged on a cross rod 3 positioned below a front bed plate at the bottom of a bed frame 1, the lower part of the electric push rod 13 is hinged to the cross rod 3, an upper telescopic end is hinged to the bottom of the front bed plate and can push or pull the front bed plate to lift or level, the electric push rod 13 is electrically connected with a storage battery through a wire to form a loop, a control switch II 9 (the control switch II adopts a conventional lifting switch for controlling the extension and the shortening of the electric push rod) is connected in the loop, and the control switch II is installed on the bed frame 1.

Under this structure, the preceding bed board can lift up, and start control switch's extension button, electric putter 13 can promote preceding bed board and upwards lift up to suitable gradient, presses control switch electric putter 13's stop button, and electric putter 13 can stop and withhold preceding bed board, presses control switch electric putter 13's shortening button, and electric putter 13 can contract and pull down preceding bed board promptly, presses stop button, and electric putter 13 stall.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.

Claims (10)

1. A multifunctional transfer flat trolley for critically ill patients comprises a bedstead with four vertical rods, a bed board arranged on the bedstead, universal wheels arranged at the bottom of each vertical rod and provided with a brake, and bed railings arranged at two sides of the top of the bedstead; a cross bar is arranged between the adjacent vertical bars; the method is characterized in that: also comprises a storage clamping groove, a storage frame, a hanging ring, a hook and a rainproof device; the article holding clamping grooves are a plurality of box bodies which are arranged on the bed fence and used for holding and clamping medical equipment; the storage frames are a plurality of frame bodies which are arranged on the cross rods or the vertical rods at the bottom of the bed board and used for placing and clamping medical appliances; the hanging ring and the hook are arranged on the bed rail or the bed frame and are used for hanging medical supplies; the rainproof device is arranged on the bed frame and can be opened to shield the bed board and the area above the bed fence.

2. The multi-functional transportation flatcar of critical patient of claim 1, characterized in that: also comprises a transfusion stand; the infusion support consists of a bottom plate, a threaded column, a supporting rod, a hanging frame, a locking threaded sleeve and a clamp; the bottom plate is fixed on the side surface of the bed frame or the bed rail; the threaded column is fixed on the upper surface of the bottom plate, a notch is vertically formed in the top of the threaded column, and an external thread is arranged outside the threaded column; the supporting rod is a multi-stage telescopic rod, and the bottom of the supporting rod is inserted into a notch at the top of the threaded column and then is hinged with the threaded column through a hinge rod; the hanging rack is fixed on the telescopic end at the top of the supporting rod; the locking screw sleeve is sleeved at the lower end of the supporting rod and can move downwards along the supporting rod to simultaneously sleeve the supporting rod and the threaded column in the supporting rod; the inner side surface of the locking screw sleeve is provided with an internal thread matched with the external thread of the threaded column, and the locking screw sleeve slides downwards and then is connected with the threaded column in a threaded manner; the clamp is arranged on the side surface of the bed frame or the bed rail corresponding to the support rod and can clamp the support rod after the support rod is laid down.

3. The multi-functional transportation flatcar of critical patient of claim 1, characterized in that: the two article placing clamping grooves are respectively used for placing and clamping the electrocardiogram monitor and the injection pump.

4. The multi-functional transportation flatcar of critical patient of claim 1, characterized in that: the number of the storage frames is four.

5. The multi-functional transportation flatcar of critical patient of claim 4, characterized in that: wherein the three article placing frames are arranged on a cross bar at the bottom of the bedstead and are respectively used for placing and clamping a breathing bag, an AED automatic external defibrillator and a sputum aspirator; the other storage frame is arranged on the vertical rod and used for placing and clamping the small oxygen cylinder.

6. The multi-functional transportation flatcar of critical patient of claim 1, characterized in that: the hanging ring is used for hanging a closed thoracic drainage bottle; the hook is used for hanging a urine bag.

7. The multi-functional transportation flatcar of critical patient of claim 1, characterized in that: the rainproof device comprises a shell, a rotating shaft, rainproof cloth, a pull rod and a clamping hook; the casing is a hollow cylinder fixed at one end of the bed frame and vertical to the length direction of the bed frame, and the top of the casing is provided with a strip-shaped hole parallel to the length direction of the casing; the rotating shaft is arranged in the shell in parallel to the length direction of the shell and can rotate in the shell; the waterproof cloth is wrapped on the rotating shaft and positioned in the shell, one end of the waterproof cloth is fixed on the rotating shaft, and the other end of the waterproof cloth extends out of the shell through the strip-shaped hole; the pull rod is positioned outside the shell and is fixedly connected with the extending end of the waterproof cloth; the two clamping hooks are respectively arranged at the other ends of the two bedrails far away from the shell; a hanging opening for the hook to pass through is formed in the position, corresponding to the hook, where the waterproof cloth is connected with the pull rod; the pull rod can pull the waterproof cloth to move from one end of the bed frame to the other end of the bed frame and then be clamped in the clamping hook; the width of the pull rod and the width of the waterproof cloth are both larger than the distance between the two clamping hooks.

8. The multi-functional transportation flatcar of critical patient of claim 7, characterized in that: the bed further comprises a power box provided with a storage battery and a socket which is arranged on the bed frame and is electrically connected with the storage battery.

9. The multi-functional transportation flatcar of critical patient of claim 8, characterized in that: the rotating shaft is an electric roller, the electric roller is electrically connected with a storage battery through a lead to form a loop, a first control switch is connected in the loop, and the first control switch is installed on the bedstead.

10. The multi-functional transportation flatcar of critical patient of claim 8, characterized in that: the bed board is divided into a front bed board and a rear bed board; the rear bed board is fixed on the bed frame; the rear end of the front bed board is hinged with the front end of the rear bed board, and the front end of the front bed board is placed on the bed frame and can be lifted upwards; the electric push rod is arranged on a cross rod which is positioned below the front bed plate and at the bottom of the bedstead, the lower part of the electric push rod is hinged to the cross rod, the upper telescopic end is hinged to the bottom of the front bed plate and can push or pull the front bed plate to lift or level, the electric push rod is electrically connected with the storage battery through a wire to form a loop, a second control switch is connected in the loop, and the second control switch is installed on the bedstead.

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