A transfer device for emergency and critical care

By designing a transfer device for critical emergency treatment including transfer components, adjustment mechanisms and protective mechanisms, the problem of patients tilting and shaking when used on inclined roads is solved, and the stability and comfort of patients during the transfer process are achieved.

CN119745606APending Publication Date: 2025-04-04THE 305TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202411793797.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

Traditional stretcher beds can easily cause the patient to tilt when passing through an inclined road surface, and the inertia during cornering causes the patient's body to shake, affecting the use effect.

Method used

A transfer device for emergency intensive care is designed, including a transfer assembly, a conditioning mechanism and a protective mechanism. The transfer assembly achieves stable support through universal wheels and arc-shaped connecting plates. The adjustment mechanism uses the adjustment motor and movable beam to adjust the angle of the pallet. The protection mechanism fixes the patient's body through protective splints and bidirectional threaded rods.

Benefits of technology

Effectively prevent patients from tilting and shaking during the metastasis, maintain their physical level, and improve the comfort and safety of metastasis.

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Abstract

The present invention relates to the technical field of medical transfer devices, and in particular to a transfer device for emergency and critical care, which can enable patients to lie horizontally, prevent the phenomenon that the upper body part of the human body is lower and the lower body part is higher when passing through an inclined road during transfer, and can effectively fix the patient's body to prevent the patient's body from shaking during transfer, avoid causing discomfort to the patient, and improve the use effect; the device comprises an adapter bracket and a support plate, four groups of universal wheels are fixedly installed at the bottom end of the adapter bracket, four groups of connecting shafts are symmetrically fixed on the outer side of the adapter bracket, adjusting screws are rotatably installed on two groups of fixed plates, two groups of movable beams are slidably installed on two groups of guide rails through the cooperation of guide grooves, and two groups of hinged seats on the movable beams are hinged with support rods, the top ends of the two groups of support rods are respectively hinged to the two groups of hinged seats at the bottom end of the support plate, and the two groups of fixed frames are symmetrically fixedly connected to the top of the bed platform for protecting the patient.
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Description

Technical Field

[0001] The present invention relates to the technical field of medical transfer devices, and in particular to a transfer device for emergency and critical care. Background Art

[0002] In hospitals, movable stretcher beds are often used to transfer emergency and critically ill patients to different clinics for examination and treatment. Although traditional stretcher beds can move and transfer patients in hospitals, they have certain shortcomings when used.

[0003] When a stretcher bed passes over an inclined road, the stretcher bed will also tilt, causing the patient to lie on the stretcher bed at an angle, and even the upper body part of the human body may be lower and the lower body part may be higher when passing over an inclined road, causing discomfort to the patient. In addition, in the process of transferring emergency or critically ill patients, the existing stretcher bed is prone to cause the patient's body to shake due to the inertia of the stretcher bed when turning, causing discomfort to the patient and affecting the use effect. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an emergency critical care transfer device that can enable the patient to lie horizontally, prevent the phenomenon that the upper body part of the human body is lower and the lower body part is higher when passing through an inclined road during transfer, and can effectively fix the patient's body to prevent the patient's body from shaking during transfer, avoid causing discomfort to the patient, and improve the use effect.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a transfer device for emergency critical care, comprising a transfer assembly, an adjustment mechanism and a protection mechanism, wherein the transfer assembly comprises an adapter bracket and a support plate, wherein four sets of universal wheels are fixedly installed at the bottom end of the adapter bracket, four sets of connecting shafts are symmetrically fixedly installed on the outside of the adapter bracket, two sets of supporting plates are symmetrically fixedly connected at the left side of the bottom end of the support plate, the support plate is rotatably installed on the adapter bracket through the cooperation of the supporting plate and the two sets of connecting shafts on the left side, two sets of arc-shaped connecting plates are symmetrically fixedly connected at the right side of the bottom end of the support plate, and both sets of arc-shaped connecting plates are fixedly connected at the right side of the bottom end of the support plate. An arc-shaped limiting groove is provided, and two groups of arc-shaped connecting plates are respectively movably sleeved on the two groups of connecting shafts on the right side through the cooperation of the arc-shaped limiting groove. A bed platform for placing the patient is provided on the adapter bracket, and the adjustment mechanism includes an adjustment motor, which is fixedly installed on the adapter bracket, and two groups of fixing plates are fixedly connected to the inner walls on the front and rear sides of the adapter bracket. Adjustment screws are rotatably installed on the two groups of fixing plates, and the output end of the adjustment motor is fixedly connected to the left end of the adjustment screw, and a movable beam is threadedly sleeved on the adjustment screw, and two groups of guide slide grooves are symmetrically arranged at the bottom end of the movable beam. Two sets of guide rails are symmetrically fixedly installed at the bottom end of the side, and the left and right ends of the guide rails are respectively fixedly connected to the inner sides of the two sets of fixed plates, and the two sets of movable beams are slidably installed on the two sets of guide rails through the cooperation of guide slide grooves. Two sets of hinge seats are symmetrically fixed on the movable beam and the bottom end of the support plate, and the two sets of hinge seats on the movable beam are hinged with support rods, and the top ends of the two sets of support rods are respectively hinged with the two sets of hinge seats at the bottom end of the support plate. The protective mechanism includes two sets of fixed frames, which are symmetrically fixedly connected to the top of the bed platform for protecting patients, and the two sets of fixed frames are rotatably installed with Two-way threaded rod, the right ends of the two groups of two-way threaded rods are fixed with hand wheels, the two groups of two-way threaded rods are symmetrically threaded with two groups of transmission slides, the inner sides of the two groups of fixed frames are provided with slide grooves, the two groups of transmission slides are installed on the fixed frames by sliding in cooperation with the slide grooves, each group of transmission slides are symmetrically connected to the rotation of two groups of transmission strips, the top of the bed is symmetrically contacted with two groups of protective splints, the outer sides of the two groups of protective splints are symmetrically fixed with two groups of connecting seats, the outer ends of the two groups of transmission strips on each group of transmission slides are rotationally connected to each group of connecting seats.

[0007] Preferably, a buffer assembly is provided between the bed and the support plate, and the buffer assembly includes multiple groups of buffer springs uniformly fixedly connected to the top of the support plate, the tops of the multiple groups of buffer springs are fixedly connected to the bottom of the bed, two groups of T-shaped grooves are symmetrically provided at the front and rear ends of the support plate, four groups of I-shaped shafts are symmetrically slidably provided on the support plate through the cooperation of the T-shaped grooves, connecting strips are rotatably mounted on the four groups of I-shaped shafts, two groups of T-shaped shafts are symmetrically fixedly provided at the front and rear ends of the bed, and the tops of the four groups of connecting strips are rotatably mounted on the four groups of T-shaped shafts respectively.

[0008] Preferably, the multiple groups of buffer springs are surrounded by elastic sheaths, and the upper and lower ends of the multiple groups of elastic sheaths are fixedly connected to the bottom end of the bed platform and the top end of the support plate respectively.

[0009] Preferably, push-pull handles are fixedly connected to the left and right ends of the bed.

[0010] Preferably, anti-slip handle covers are fixedly mounted on the outer walls of the two groups of push-pull handles.

[0011] Preferably, protective cushions are fixedly connected to the inner walls of the two groups of protective splints.

[0012] Preferably, a reinforcing rod is fixedly connected between the left curved surface of the two groups of arc-shaped connecting plates and the bottom end of the supporting plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the support plate and the bed are initially horizontal, at which time the two sets of connecting shafts on the right side of the right transfer bracket abut against the tops of the two sets of arc-shaped limit grooves, playing a role in supporting the support plate, and the patient is placed flat on the bed with the patient's head facing the right, and then the two-way threaded rod is rotated by the hand wheel to make the two-way threaded rod drive the two sets of transmission slides to slide outward, and then the transmission slide pushes the protective splints to move inward through the transmission strips, so that the protective splints appropriately clamp the patient from both sides of the patient's body, so that the patient's body is effectively fixed, and the patient's body is prevented from shaking during the transfer process, and then the patient is transferred by pushing the device. When encountering an inclined road surface during the transfer, the patient can be transferred by starting The adjusting motor drives the adjusting screw to rotate, so that the adjusting screw drives the movable beam to slide to the right along the guide rail, and then the movable beam pushes the support plate to rotate counterclockwise through the support rod, and the support plate drives the arc-shaped connecting plate to slide upward along the connecting axis with the cooperation of the arc-shaped limit groove, so that the support plate and the bed are properly lifted, and then according to the inclination degree of the inclined plane, the upper body of the patient is properly lifted to keep the patient's body level and avoid discomfort to the patient, so that the patient can lie horizontally and prevent the phenomenon that the upper body of the human body is lower and the lower body is higher when passing through an inclined road during transfer. The patient's body can be effectively fixed to prevent the patient's body from shaking during transfer, avoid discomfort to the patient, and improve the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the present invention;

[0015] Figure 2 It is a front structural schematic diagram of the present invention;

[0016] Figure 3 is a schematic diagram of the front view structure of the present invention when moving on an inclined road surface;

[0017] Figure 4 It is a schematic diagram of the axonometric structure of the transfer assembly in the present invention;

[0018] Figure 5 The present invention Figure 4 A front view structural diagram of

[0019] Figure 6 The present invention Figure 4 Schematic diagram of the partial axonometric structure;

[0020] Figure 7 This is a schematic diagram of the axonometric structure of the connection between the buffer spring and the support plate in the present invention;

[0021] Figure 8 The present invention Figure 7 Schematic diagram of the bottom axonometric structure;

[0022] Fig. 9 It is a partial axonometric structural schematic diagram of the protection mechanism in the present invention;

[0023] Fig.10 It is a schematic diagram of the axonometric structure of the I-shaped shaft in the present invention;

[0024] Markings in the attached drawings: 1. Transfer bracket; 2. Universal wheel; 3. Connecting shaft; 4. Support plate; 5. Support plate; 6. Arc-shaped connecting plate; 7. Adjusting motor; 8. Fixed plate; 9. Adjusting screw; 10. Movable beam; 11. Guide rail; 12. Articulated seat; 13. Support rod; 14. Bed platform; 15. Fixed frame; 16. Bidirectional threaded rod; 17. Handwheel; 18. Transmission slide; 19. Transmission strip; 20. Protective splint; 21. Connecting seat; 22. Buffer spring; 23. Elastic sleeve; 24. I-shaped shaft; 25. Connecting strip; 26. T-shaped shaft; 27. Push-pull handle; 28. Anti-slip handle cover; 29. ​​Reinforcement rod; 30. Protective cushion. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] Example

[0027] See also Figure 1-Figure 10The present invention provides an emergency critical care transfer device, comprising an adapter bracket 1 and a support plate 4. Four sets of universal wheels 2 are fixedly installed at the bottom end of the adapter bracket 1. Four sets of connecting shafts 3 are symmetrically fixedly installed on the outside of the adapter bracket 1. Two sets of supporting plates 5 are symmetrically fixedly connected to the left side of the bottom end of the support plate 4. The support plate 4 is rotatably installed on the adapter bracket 1 through the cooperation of the supporting plates 5 and the two sets of connecting shafts 3 on the left side. Two sets of arc-shaped connecting plates 6 are symmetrically fixedly connected to the right side of the bottom end of the support plate 4. Arc-shaped limiting grooves are provided on the two sets of arc-shaped connecting plates 6. The two sets of arc-shaped connecting plates 6 are respectively fixedly connected to the bottom end of the support plate 4 through the cooperation of the arc-shaped limiting grooves. The movable set is on the two groups of connecting shafts 3 on the right side, and a bed 14 for placing a patient is arranged on the adapter bracket 1. The adjusting motor 7 is fixedly installed on the adapter bracket 1. Two groups of fixing plates 8 are fixedly connected to the inner walls on the front and rear sides of the adapter bracket 1. The two groups of fixing plates 8 are rotatably installed with adjusting screws 9, and the output end of the adjusting motor 7 is fixedly connected to the left end of the adjusting screw 9. A movable beam 10 is screwed on the adjusting screw 9, and two groups of guide grooves are symmetrically arranged at the bottom end of the movable beam 10. Two groups of guide rails 11 are symmetrically fixedly installed at the bottom end of the inner side of the adapter bracket 1, and the left and right ends of the guide rails 11 are respectively The two sets of movable beams 10 are fixedly connected to the inner sides of the two sets of fixed plates 8, and the two sets of movable beams 10 are slidably installed on the two sets of guide rails 11 through the cooperation of the guide grooves. The movable beams 10 and the bottom ends of the support plates 4 are symmetrically fixed with two sets of hinge seats 12. The two sets of hinge seats 12 on the movable beams 10 are hinged with support rods 13. The top ends of the two sets of support rods 13 are respectively hinged with the two sets of hinge seats 12 at the bottom ends of the support plates 4. The two sets of fixed frames 15 are symmetrically fixedly connected to the top ends of the bed platforms 14. The two sets of fixed frames 15 are rotatably installed with bidirectional threaded rods 16. The right ends of the two sets of bidirectional threaded rods 16 are fixedly sleeved with hand wheels 1 7. Two sets of transmission slides 18 are symmetrically provided on the threaded sleeves of the two sets of bidirectional threaded rods 16. Slide grooves are provided on the inner sides of the two sets of fixed frames 15. The two sets of transmission slides 18 are slidably installed on the fixed frames 15 by cooperating with the slide grooves. Two sets of transmission strips 19 are symmetrically connected to each other in rotation. Two sets of protection splints 20 are symmetrically contacted with the top of the bed platform 14 in sliding contact. Two sets of connecting seats 21 are symmetrically fixed on the outer sides of the two sets of protection splints 20. The outer ends of the two sets of transmission strips 19 on each set of transmission slides 18 are respectively connected to each set of connecting seats 21 in rotation.When in use, initially the support plate 4 and the bed 14 are both horizontal. At this time, the two groups of connecting shafts 3 on the right side of the right transfer bracket 1 are against the top of the two groups of arc-shaped limit grooves, playing a role in supporting the support plate 4, and the patient is placed flat on the bed 14 with the patient's head facing the right. Then, the two-way threaded rod 16 is rotated by the hand wheel 17, so that the two-way threaded rod 16 drives the two groups of transmission slides 18 to slide outward, and then the transmission slide 18 pushes the protective splint 20 to move inward through the transmission strip 19, so that the protective splint 20 appropriately clamps the patient from both sides of the patient's body, so that the patient's body is effectively fixed and the patient's body is prevented from shaking during the transfer process. Then, the patient is transferred by pushing the device. When encountering an inclined road surface during the transfer, the adjustment motor 7 can be started to adjust the motor 7. The adjusting motor 7 drives the adjusting screw rod 9 to rotate, so that the adjusting screw rod 9 drives the movable beam 10 to slide rightward along the guide rail 11, and then the movable beam 10 pushes the support plate 4 to rotate counterclockwise through the support rod 13, and the support plate 4 drives the arc-shaped connecting plate 6 to slide upward along the connecting shaft 3 under the cooperation of the arc-shaped limiting groove, so that the support plate 4 and the bed 14 are properly lifted, and then according to the inclination degree of the inclined plane, the upper body of the patient is properly lifted to keep the patient's body level and avoid discomfort to the patient, so that the patient can lie horizontally, and prevent the upper body of the human body from being lower and the lower body from being higher when passing through the inclined road during the transfer, and can effectively fix the patient's body, prevent the patient's body from shaking during the transfer, avoid discomfort to the patient, and improve the use effect. ;

[0028] Two sets of the fixed frames 15 are rotatably mounted with bidirectional threaded rods 16, the right ends of the two sets of bidirectional threaded rods 16 are fixedly sleeved with hand wheels 17, the two sets of bidirectional threaded rods 16 are symmetrically threadedly sleeved with two sets of transmission slides 18, the inner sides of the two sets of fixed frames 15 are provided with slide grooves, the two sets of transmission slides 18 are slidably mounted on the fixed frames 15 by cooperating with the slide grooves, each set of transmission slides 18 are symmetrically connected to the rotation of two sets of transmission strips 19, the top of the bed 14 is symmetrically contacted with two sets of protective splints 20, the outer sides of the two sets of protective splints 20 are symmetrically fixed with two sets of connecting seats 21, and the outer ends of the two sets of transmission strips 19 on each set of transmission slides 18 are rotatably connected to each set of connecting seats 21.

[0029] A buffer assembly is provided between the bed platform 14 and the support plate 4, and the buffer assembly includes multiple groups of buffer springs 22 uniformly fixedly connected to the top of the support plate 4, the tops of the multiple groups of buffer springs 22 are fixedly connected to the bottom of the bed platform 14, and two groups of T-shaped grooves are symmetrically provided at the front and rear ends of the support plate 4, and four groups of I-shaped shafts 24 are symmetrically slidably provided on the support plate 4 through the cooperation of the T-shaped grooves, and the four groups of I-shaped shafts 24 are rotatably mounted with connecting strips 25, and two groups of T-shaped shafts 26 are fixedly symmetrically provided at the front and rear ends of the bed platform 14, and the tops of the four groups of connecting strips 25 are rotatably mounted on the four groups of T-shaped shafts 26 respectively; during the patient transfer process, when encountering bumpy road conditions, the bed platform 14 will slightly float up and down under the buffering effect of the elastic sheath 23, and the bed platform 14 drives the I-shaped shaft 24 to slide along the T-shaped grooves through the connecting strips 25 during the floating process, and the floating of the bed platform 14 and the buffering of the buffer springs 22 effectively reduce the impact of road bumps on patients, and play an anti-bumping role.

[0030] Elastic sheaths 23 are arranged around the multiple groups of buffer springs 22, and the upper and lower ends of the multiple groups of elastic sheaths 23 are respectively fixedly connected to the bottom end of the bed platform 14 and the top end of the support plate 4; by setting the elastic sheaths 23, it can protect the buffer springs 22 and further achieve a buffering effect.

[0031] The left and right ends of the bed platform 14 are fixedly connected with push-pull handles 27; by providing the push-pull handles 27, it is convenient for medical staff to push and pull the device from the left and right sides, thereby improving the convenience of use.

[0032] The outer walls of the two sets of push-pull handles 27 are fixedly sleeved with anti-skid handle sleeves 28; the anti-skid handle sleeves 28 can effectively prevent the hands from slipping when the push-pull handles 27 are held to push and pull the device to move.

[0033] The inner walls of the two groups of protective splints 20 are fixedly connected with protective cushions 30; by providing the protective cushions 30, the contact surface of the protective splints 20 with the patient's body can be made softer and more comfortable when clamping the patient's body.

[0034] A reinforcing rod 29 is fixedly connected between the left curved surface of the two groups of arc-shaped connecting plates 6 and the bottom end of the support plate 4; by providing the reinforcing rod 29, the connection between the arc-shaped connecting plates 6 and the support plate 4 can be made more firm and stable, thereby improving stability.

[0035] The present invention provides an emergency critical care transfer device, and its working principle is that when in use, initially the support plate 4 and the bed 14 are both horizontal, at this time, the two groups of connecting shafts 3 on the right side of the right transfer bracket 1 are against the top of the two groups of arc-shaped limit grooves, which play a role in supporting the support plate 4, and the patient is placed flat on the bed 14 with the patient's head facing the right, and then the two-way threaded rod 16 is rotated by the hand wheel 17, so that the two-way threaded rod 16 drives the two groups of transmission slides 18 to slide outward, and then the transmission slide 18 pushes the protective splint 20 to move inward through the transmission strip 19, so that the protective splint 20 appropriately clamps the patient from both sides of the patient's body, so that the patient's body is effectively fixed, and the patient's body is prevented from shaking during the transfer process, and then the device is pushed to transfer the patient. When encountering an inclined road surface during the transfer, the adjustment motor 7 can be started to adjust the patient. , the adjusting motor 7 drives the adjusting screw rod 9 to rotate, so that the adjusting screw rod 9 drives the movable beam 10 to slide rightward along the guide rail 11, and then the movable beam 10 pushes the support plate 4 to rotate counterclockwise through the support rod 13, and the support plate 4 drives the arc-shaped connecting plate 6 to slide upward along the connecting shaft 3 under the cooperation of the arc-shaped limiting groove, so that the support plate 4 and the bed 14 are properly lifted, and then according to the inclination degree of the inclined plane, the upper body of the patient is properly lifted to keep the patient's body level. During the patient's transfer process, when encountering bumps on the road, the bed 14 will float up and down slightly under the buffering effect of the elastic sheath 23. During the floating process, the bed 14 drives the I-shaped shaft 24 to slide along the T-shaped slide groove through the connecting strip 25. Through the floating of the bed 14 and the buffering of the buffer spring 22, the impact of road bumps on the patient is effectively reduced, and an anti-bumping effect is played.

[0036] The installation method, connection method or setting method of the emergency critical care transfer device of the present invention are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the adjustment motor and universal wheel of the emergency critical care transfer device of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An emergency critical care transfer device, characterized in that: Includes transfer components, adjustment mechanisms and protection mechanisms; A transfer assembly, the transfer assembly comprising an adapter bracket (1) and a support plate (4), the bottom end of the adapter bracket (1) is fixedly provided with four sets of universal wheels (2), the outer side of the adapter bracket (1) is symmetrically fixedly provided with four sets of connecting shafts (3), the bottom left end of the support plate (4) is symmetrically fixedly connected with two sets of supporting plates (5), the support plate (4) is rotatably installed on the adapter bracket (1) through the cooperation of the supporting plates (5) and the two sets of connecting shafts (3) on the left side, the bottom right end of the support plate (4) is symmetrically fixedly connected with two sets of arc-shaped connecting plates (6), both sets of arc-shaped connecting plates (6) are provided with arc-shaped limiting grooves, the two sets of arc-shaped connecting plates (6) are respectively movably sleeved on the two sets of connecting shafts (3) on the right side through the cooperation of the arc-shaped limiting grooves, and the adapter bracket (1) is provided with a bed platform (14) for placing patients; The adjusting mechanism comprises an adjusting motor (7), the adjusting motor (7) is fixedly mounted on the adapter bracket (1), two groups of fixing plates (8) are fixedly connected to the inner walls on both sides of the adapter bracket (1), an adjusting screw rod (9) is rotatably mounted on the two groups of fixing plates (8), and the output end of the adjusting motor (7) is fixedly connected to the left end of the adjusting screw rod (9), a movable beam (10) is threadedly mounted on the adjusting screw rod (9), two groups of guide slots are symmetrically arranged at the bottom end of the movable beam (10), and the inner bottom end of the adapter bracket (1) is symmetrically arranged. Two sets of guide rails (11) are fixedly installed, and the left and right ends of the guide rails (11) are respectively fixedly connected to the inner sides of the two sets of fixed plates (8). The two sets of movable beams (10) are slidably installed on the two sets of guide rails (11) through the cooperation of guide slide grooves. The movable beams (10) and the bottom of the support plate (4) are symmetrically fixed with two sets of hinge seats (12). The two sets of hinge seats (12) on the movable beams (10) are both hinged with support rods (13). The top ends of the two sets of support rods (13) are respectively hinged with the two sets of hinge seats (12) at the bottom of the support plate (4). A protection mechanism comprises two sets of fixing frames (15), the two sets of fixing frames (15) are symmetrically fixedly connected to the top of a bed platform (14) and are used to protect patients.

2. An emergency critical care transfer device as claimed in claim 1, characterized in that: The two groups of fixed frames (15) are both rotatably mounted with bidirectional threaded rods (16), the right ends of the two groups of bidirectional threaded rods (16) are both fixedly sleeved with hand wheels (17), the two groups of bidirectional threaded rods (16) are both symmetrically threaded sleeved with two groups of transmission slides (18), the inner sides of the two groups of fixed frames (15) are both provided with slide grooves, the two groups of transmission slides (18) are slidably mounted on the fixed frames (15) by cooperating with the slide grooves, each group of transmission slides (18) is symmetrically rotatably connected with two groups of transmission strips (19) in upper and lower directions, the top of the bed platform (14) is symmetrically slidably contacted with two groups of protection splints (20), the outer sides of the two groups of protection splints (20) are both symmetrically fixedly provided with two groups of connecting seats (21), and the outer ends of the two groups of transmission strips (19) on each group of transmission slides (18) are respectively rotatably connected with each group of connecting seats (21).

3. An emergency critical care transfer device as claimed in claim 2, characterized in that: A buffer assembly is provided between the bed platform (14) and the support plate (4), and the buffer assembly includes a plurality of groups of buffer springs (22) uniformly fixedly connected to the top of the support plate (4), the tops of the plurality of groups of buffer springs (22) are fixedly connected to the bottom of the bed platform (14), two groups of T-shaped grooves are symmetrically provided at the front and rear ends of the support plate (4), four groups of I-shaped shafts (24) are symmetrically slidably provided on the support plate (4) through the cooperation of the T-shaped grooves, and the four groups of I-shaped shafts (24) are rotatably mounted with connecting strips (25), and two groups of T-shaped shafts (26) are symmetrically fixedly provided at the front and rear ends of the bed platform (14), and the tops of the four groups of connecting strips (25) are rotatably mounted on the four groups of T-shaped shafts (26) respectively.

4. An emergency critical care transfer device as claimed in claim 3, characterized in that: The multiple groups of buffer springs (22) are all covered with elastic sheaths (23), and the upper and lower ends of the multiple groups of elastic sheaths (23) are respectively fixedly connected to the bottom end of the bed platform (14) and the top end of the support plate (4).

5. The emergency critical care transfer device according to claim 4, characterized in that: The left and right ends of the bed platform (14) are both fixedly connected with push-pull handles (27).

6. An emergency critical care transfer device as claimed in claim 5, characterized in that: The outer walls of the two groups of push-pull handles (27) are fixedly sleeved with anti-slip handle sleeves (28).

7. An emergency critical care transfer device as claimed in claim 6, characterized in that: Protective soft pads (30) are fixedly connected to the inner walls of the two groups of protective clamping plates (20).

8. An emergency critical care transfer device as claimed in claim 7, characterized in that: A reinforcing rod (29) is fixedly connected between the left curved surface of the two groups of curved connecting plates (6) and the bottom end of the supporting plate (4).