Emergency transfer stretcher

Abstract

The utility model discloses an emergency treatment transfer stretcher which comprises a frame made of light high-strength materials, the frame provides enough structural support and stability, a bearing base table is laid above the frame, a sliding adjusting base table is arranged at the end of the bearing base table in a sliding mode, and the sliding adjusting base table and the bearing base table are used in a matched mode. Wherein a supporting table plate is arranged on one side of the frame, and when the sliding adjustment base table slides out outwards, the supporting table plate can extend outwards to provide additional support for the sliding adjustment base table; supporting foot stools are erected at the bottom of the supporting bedplate, and the supporting foot stools can be unfolded outwards and make contact with the ground, so that additional stability is provided for the sliding adjustment base station. According to the scheme, effective body position constraining and posture adjusting functions are provided, the overall flexibility and convenient operability of the device are enhanced, and therefore the comfort level and safety of a patient in the transferring process are remarkably improved, and meanwhile the working efficiency of medical workers is improved.

Description

Technical Field

[0001] This utility model belongs to the field of stretcher technology, and in particular relates to an emergency transport stretcher. Background Technology

[0002] In today's emergency medical environment, patient transport is a crucial step in ensuring treatment effectiveness and safety. However, traditional emergency transport stretchers have significant limitations, primarily the lack of effective positional restraint mechanisms. This makes it difficult to ensure patient safety during transport, especially on uneven terrain or in emergency situations, increasing the risk of accidental slips or injuries. Furthermore, existing stretchers have limited ability to adjust patient posture during transport, failing to flexibly adapt to specific patient needs, such as maintaining a particular position to alleviate pain or promote blood circulation. This can lead to patients experiencing additional physical burden or psychological stress due to discomfort.

[0003] In addition, traditional stretchers are usually bulky and inflexible, which not only limits their ease of operation in confined spaces, but also makes them difficult to move and adjust when patients need to be transferred quickly, greatly reducing rescue efficiency.

[0004] This solution provides effective body positioning and posture adjustment functions, and enhances the overall flexibility and ease of operation of the equipment, thereby significantly improving the comfort and safety of patients during transport, while also increasing the work efficiency of medical staff. Utility Model Content

[0005] The purpose of this utility model is to provide an emergency transport stretcher to solve the problems mentioned in the background art, such as the lack of effective body positioning and posture adjustment functions and poor operational flexibility of traditional stretchers, which in turn easily lead to increased safety risks, increased discomfort and reduced rescue efficiency for patients during transport.

[0006] To achieve the above objectives, the specific technical solution of this utility model is as follows: an emergency transport stretcher, comprising a frame made of lightweight and high-strength material, the frame providing sufficient structural support and stability, a support base being laid on the top of the frame, and a sliding adjustment base being slidably disposed at the end of the support base, the sliding adjustment base being used in conjunction with the support base;

[0007] The frame has a support platform on one side. When the sliding base slides outward, the support platform can extend outward to provide additional support for the sliding base. The bottom of the support platform is equipped with a support leg, which can extend outward and contact the ground to provide additional stability for the sliding base.

[0008] Meanwhile, an adjustable contraction assembly is installed above the supporting base via a movable bonding method. The adjustable contraction assembly is installed on the flexible support surface of the sliding base to support the patient.

[0009] Preferably, the frame is symmetrically provided with two side guardrails along the central axis, wherein the side guardrails are damped and rotatedly fitted on the surface of the frame, and two side guardrails are symmetrically installed at the ends of the frame along the axis.

[0010] Preferably, the bottom of the frame is symmetrically provided with two support wheels along the central axis, and an adjusting wheel is installed on one side of each support wheel;

[0011] Meanwhile, a telescopic component is movably mounted on the end of the support wheel away from the adjusting wheel via a rotating shaft, while a fixed wheel is fixedly mounted on the right side of the bottom of the frame; wherein, the fixed wheel and the two sets of adjusting wheels are used in conjunction.

[0012] Preferably, multiple rollers are embedded and installed at the end of the support base, and the surface of the support base is provided with mounting grooves for use with the rollers.

[0013] Preferably, the end of the supporting base is provided with sliding grooves symmetrically arranged along the central axis, and a sliding plate is slidably arranged in the inner cavity of the sliding groove, and the end of the sliding plate is connected to the bottom of the sliding base.

[0014] Preferably, a fixed shaft is connected to one end of the support platform and the support legs, and two retractable slide rods are symmetrically installed at the right end of the fixed shaft along the axis.

[0015] Preferably, the adjustable shrinkage assembly includes a flexible pad and an air pump assembly as a power source;

[0016] A contraction airbag is knitted and connected to the upper part of the flexible pad, and an extension airbag is connected to the right side of the bottom of the contraction airbag. The contraction airbag and the extension airbag are connected to each other through a tube, and the input end of the contraction airbag is connected to an air inlet tube.

[0017] Preferably, an upper body positioning limiter is installed on the right side of the end of the flexible pad, and a lower body positioning limiter is installed on the left side of the end of the flexible pad. The upper and lower body positioning limiters are used together to restrain the patient's body position.

[0018] Preferably, the flexible pad is symmetrically connected with multiple fixing straps along the central axis, and the fixing straps and the contraction airbag are knitted together, wherein the surface of the fixing straps and the surface of the frame are jointly fitted with Velcro.

[0019] Preferably, the flexible pad is symmetrically connected with two pull straps along the central axis, and a pull rod is installed through the other end of the pull straps. Velcro assemblies are installed on the surface of the pull straps and the left and right ends of the frame.

[0020] The emergency transport stretcher of this utility model has the following advantages:

[0021] This is an emergency transport stretcher. The frame is equipped with side rails and guardrails to ensure patient safety during transport. The bottom of the frame features support wheels, adjustable wheels, and fixed wheels. The position of these wheels can be adjusted via telescopic components to raise or lower the frame height. A sliding base is provided on the support platform; rollers allow for smooth movement of the sliding base, facilitating the transfer of the patient from the stretcher to the bed.

[0022] The adjustable constriction assembly adjusts the patient's position by inflating and changing the state of the contraction and extension airbags, and uses upper and lower positioning restraints for postural control. Furthermore, when the patient needs to be transported alone, the retractable constriction assembly can be quickly removed using the straps and levers for transport in confined spaces. The entire system is designed to improve the safety, comfort, and convenience of patient transport. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is one of the overall structural schematic diagrams of this utility model;

[0025] Figure 2 This is the second schematic diagram of the overall structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;

[0027] Figure 4 This is a bottom view of the supporting base structure of this utility model;

[0028] Figure 5 This is a schematic diagram showing the structure of the bearing base and the sliding base of this utility model.

[0029] Figure 6 This is a front view schematic diagram of the frame structure of this utility model;

[0030] Figure 7This is a bottom view of the frame structure of this utility model;

[0031] Figure 8 This is an exploded view of the structure of the present invention, including the frame, the supporting base, the sliding base, and the retractable slide rod.

[0032] Explanation of markings in the diagram: 100, Frame; 101, Side railing; 102, Side guardrail; 110, Support wheel; 120, Adjustable wheel; 130, Telescopic component; 140, Fixed wheel; 200, Support base; 210, Sliding base; 220, Roller; 230, Sliding groove; 231, Sliding plate; 300, Retractable slide bar; 310, Fixed shaft; 320, Support leg; 330, Support platform; 400, Flexible pad; 410, Retractable airbag; 420, Extendable airbag; 421, Air inlet pipe; 430, Fixing strap; 431, Velcro group one; 440, Upper body positioning limiter; 450, Lower body positioning limiter; 460, Air pump group; 500, Pull strap; 510, Pull rod; 520, Velcro group two. Detailed Implementation

[0033] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0034] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0037] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0038] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of an emergency transport stretcher according to this utility model.

[0039] like Figures 1-8 As shown, this utility model provides an emergency transport stretcher, including a frame 100 made of lightweight, high-strength material. The frame 100 provides sufficient structural support and stability to ensure the safety and comfort of the patient. The frame 100 is symmetrically provided with two side guardrails 101 along its central axis. The side guardrails 101 are damped and rotated on the surface of the frame 100. The ends of the frame 100 are symmetrically installed with two side guardrails 102 along the axis. The side guardrails 101 and side guardrails 102 can be used to protect and limit the patient at the end of the frame 100.

[0040] As a further optimization of this solution, the connection between the side guardrail 101 and the frame 100 can be movably connected by a coil spring. In the initial state, the side guardrail 101 is in a vertical state. When the side guardrail 101 is rotated, the coil spring installed on its surface automatically stores force. When the side guardrail 101 is released, the side guardrail 101 automatically resets due to the influence of the coil spring.

[0041] like Figure 6 and Figure 7As shown, two support wheels 110 are symmetrically arranged on the bottom of the frame 100 along the central axis. The support wheels 110 can assist in supporting the frame 100. The support wheels 110 are movably connected to the frame 100 through a rotating shaft. An adjusting wheel 120 is installed on one side of the support wheel 110. The end of the adjusting wheel 120 is movably connected to the frame 100 through a rotating shaft.

[0042] Meanwhile, a telescopic component 130 is movably mounted on the end of the support wheel 110 away from the adjusting wheel 120 via a pivot. The end of the telescopic component 130 is movably connected to the bottom of the frame 100 via a pivot. The telescopic component 130 is preferably a hydraulic cylinder or an electric telescopic rod, etc. When the telescopic component 130 is working, it can automatically adjust the position of the support wheel 110 and the adjusting wheel 120. A fixed wheel 140 is fixedly mounted on the right side of the bottom of the frame 100. The fixed wheel 140 and the two sets of adjusting wheels 120 are used in conjunction.

[0043] Furthermore, the adjusting wheel 120, the fixed wheel 140, and the supporting wheel 110 are all formed by the cooperation of a fixed rod and a brake caster. The fixed rods on the adjusting wheel 120 and the supporting wheel 110 are in movable contact with the frame 100, while the fixed rods on the fixed wheel 140 are fixedly installed with the frame 100.

[0044] Among them, the fixed rod and the brake caster at opposite ends are fixedly connected;

[0045] Finally, when the output end of the telescopic component 130 extends outward, it can push the support wheel 110 to unfold outward and contact the ground. The two sets of support wheels 110 contact the ground to support the frame 100 and help raise the height of the frame 100. At the same time, when the support wheel 110 contacts the ground, the adjustment wheel 120 retracts inward.

[0046] Conversely, when the output end of the telescopic member 130 extends inward, it drives the support wheel 110 to rotate clockwise around the movable connection end with the frame 100, causing the support wheel 110 to tilt and fold. At the same time, the adjusting wheel 120 unfolds outward to contact the ground. When the adjusting wheel 120 unfolds outward to its final state, its bottom end is flush with the bottom end of the fixed wheel 140. In this way, the adjusting wheel 120 and the fixed wheel 140 are used to support the frame 100 and reduce the height between the frame 100 and the ground.

[0047] A support base 200 is laid on the top of the frame 100, and a sliding adjustment base 210 is slidably provided at the end of the support base 200. The sliding adjustment base 210 is used in conjunction with the support base 200. The position of the sliding adjustment base 210 can be adjusted on the support base 200 so that when the patient is sent to the hospital or other beds, the sliding adjustment base 210 can be pushed outward by sliding operation, so that the patient can be transferred to the target bed without manual lifting.

[0048] Multiple rollers 220 are embedded in the end of the support base 200, and the surface of the support base 200 is provided with mounting grooves for use with the rollers 220. The rollers 220 are movably installed in the mounting grooves, and the shaft ends of the rollers 220 are movably connected to the side wall of the mounting grooves through bearings.

[0049] Specifically, such as Figure 8 As shown, the end protrusion of the roller 220 extends out of the inner cavity of the mounting groove;

[0050] Among them, there are multiple rollers 220 symmetrically distributed at the ends of the bearing base 200. Therefore, when adjusting the position of the sliding base 210 relative to the bearing base 200, it is only necessary to pull the sliding base 210 outward. Under the action of the rollers 220, the sliding base 210 can be quickly pushed to move.

[0051] To increase the stability of the sliding base 210 when sliding on the support base 200, the end of the support base 200 is provided with a sliding groove 230 symmetrically arranged along the central axis. A sliding plate 231 is slidably arranged in the inner cavity of the sliding groove 230, and the end of the sliding plate 231 is connected to the bottom of the sliding base 210. Therefore, when the sliding base 210 slides, the sliding plate 231 moves with it in the sliding groove 230. In this way, the stability of the sliding base 210 is increased, and the sliding base 210 is also limited so that it can only move linearly left and right, thus preventing the sliding base 210 from moving back and forth or deviating on the support base 200.

[0052] To increase the stability of the sliding base 210 during sliding, a support plate 330 is provided on one side of the frame 100. When the sliding base 210 slides outward, the support plate 330 can extend outward to provide additional support for the sliding base 210. A support leg 320 is provided at the bottom of the support plate 330. The support leg 320 can extend outward and contact the ground when the support plate 330 slides outward, providing additional stability for the sliding base 210.

[0053] The support plate 330 and the support leg 320 are used together to provide auxiliary support for the moving end of the sliding base 210, thereby increasing the stability of the sliding base 210 when it moves.

[0054] A fixed shaft 310 is connected to one end of the support platform 330 and the support leg 320, such as... Figure 7 As shown, two retractable slide rods 300 are symmetrically installed at the right end of the fixed shaft rod 310 along the axis.

[0055] Specifically, the end of the frame 100 is provided with a groove for the retractable slide rod 300 to be slidably installed. The shaft end of the retractable slide rod 300 extends into the groove of the frame 100 and is in sliding contact with its inner wall.

[0056] In practical applications, when the sliding base 210 is stretched outward, the fixed shaft 310 can be driven to slide outward by pulling the retractable slide bar 300, which in turn drives the support plate 330 and the support leg 320. When the support leg 320 is rotated to a vertical position, it can support the sliding base 210.

[0057] Furthermore, the support leg 320 and the support wheel 110 have the same structure, and are also composed of a fixed rod and a brake caster. The end of the fixed rod on the support leg 320 is rotatably sleeved on the outer surface of the fixed shaft 310.

[0058] In specific implementation, such as Figure 8 As shown, a limiting plate is fixedly sleeved on the surface of the fixed shaft 310, and limiting holes are opened at the ends of the limiting plate and the support leg 320. A limiting rod is inserted into the limiting hole. The limiting rod is inserted into the limiting hole in the fixed shaft 310 and the support leg 320 to lock the support leg 320, thereby preventing the support leg 320 from rotating at will.

[0059] Meanwhile, an adjustable contraction assembly is installed above the support base 200 by means of movable bonding. The adjustable contraction assembly is installed on the flexible support surface of the sliding base 210 to support the patient.

[0060] like Figures 1-4 As shown, the adjustable retraction assembly includes a flexible pad 400 and an air pump assembly 460 as a power source. The flexible pad 400 is made of a soft and easy-to-clean material. The flexible pad 400 is laid on the end of the sliding base 210. Specifically, the flexible pad 400 and the opposite end of the sliding base 210 are connected by hook and loop fasteners. The hook and loop fasteners at the bottom of the flexible pad 400 are rounded, while the hook and loop fasteners on the sliding base 210 are stiffer with hooks. In use, the flexible pad 400 can be installed on the sliding base 210 by contacting the mating hook and loop fasteners.

[0061] Meanwhile, 600 is mounted in frame 100 by a bracket and connected to intake pipe 421 by a pipeline;

[0062] A contraction airbag 410 is knitted and connected to the upper part of the flexible pad 400, and an extension airbag 420 is connected to the right side of the bottom of the contraction airbag 410. The contraction airbag 410 and the extension airbag 420 are connected to each other through a tube. The input end of the contraction airbag 410 is connected to an air inlet pipe 421. A valve is installed on the surface of the air inlet pipe 421 to control the opening and closing of the tube inside the air inlet pipe 421. The air inlet pipe 421 is connected to the output end of the air pump assembly 460 through a pipeline.

[0063] Therefore, when the air pump unit 460 is working, it can pressurize the inhalation and draw the gas into the contraction air bag 410 and the extension air bag 420 to improve comfort. Furthermore, when the air inlet tube 421 is inflated, it can change the supine position to a sitting or reclining position, thereby changing the patient's posture.

[0064] An upper body position limiting member 440 is installed on the right side of the end of the flexible pad 400, while a lower body position limiting member 450 is installed on the left side of the end of the flexible pad 400. The upper body position limiting member 440 and the lower body position limiting member 450 are used together to restrain the patient's body position and increase the stability of the patient during movement.

[0065] As an optional implementation, both the upper body position limiting member 440 and the lower body position limiting member 450 are interconnected with the contraction airbag 410. Therefore, when the air pump group 460 is inflated, the lower body position limiting member 450 can be inflated to restrain the user's body position.

[0066] As another implementation of the upper body positioning restraint 440 and the lower body positioning restraint 450, the upper body positioning restraint 440 and the lower body positioning restraint 450 are made of sponge material, and their bottoms are attached to the surface of the contraction airbag 410 by Velcro. Therefore, when in use, the upper body positioning restraint 440 and the lower body positioning restraint 450 can be attached to the surface of the contraction airbag 410 to restrain the patient's body position, and when not in use, the upper body positioning restraint 440 and the lower body positioning restraint 450 can be removed.

[0067] The flexible pad 400 is symmetrically connected with multiple fixing straps 430 along the central axis. The fixing straps 430 and the contraction airbag 410 are knitted together. The surface of the fixing straps 430 and the surface of the frame 100 are jointly equipped with a Velcro assembly 431. The Velcro assembly 431 is composed of a pile surface and a needle-punched surface. The pile surface of the Velcro assembly 431 is connected to the surface of the fixing straps 430, while the needle-punched surface of the Velcro assembly 431 is installed on the surface of the frame 100. By wrapping the fixing straps 430 around the frame 100 and connecting them with the Velcro assembly 431, the adjustable contraction assembly can be installed at the end of the sliding base 210.

[0068] After the adjustable contraction assembly is detached from the contraction airbag 410, the user can be directly transported and lifted using the adjustable contraction assembly. The adjustable contraction assembly can be used to lift the patient in a narrow environment. At this time, when lifting the user using the adjustable contraction assembly, its two front and rear fixing straps 430 can be tied together to prevent the user from falling off the adjustable contraction assembly.

[0069] To enhance the ease of lifting when using the adjustable shrink assembly alone, the flexible pad 400 is symmetrically connected with two pull straps 500 along the central axis. A pull rod 510 is installed through the other end of each pull strap 500. The surface of the pull rod 510 is covered with an anti-slip rubber sleeve to increase grip and prevent slippage. A second set of Velcro 520 is installed on the surface of the pull straps 500 and on both sides of the frame 100. The second set of Velcro 520 is made of the same material as the first set of Velcro 431. Therefore, the second set of Velcro 520 can be used to assist in mounting the adjustable shrink assembly onto the sliding base 210 via the pull straps 500. When removing the adjustable shrink assembly, the pull straps 500 can be pulled by holding the pull rod 510 to lift the adjustable shrink assembly.

[0070] Therefore, when the adjustable retraction component is removed separately, it can be used to transport patients in a smaller environment. When the adjustable retraction component is installed on the sliding base 210, it can be used in an open area to transport patients. When transferring the patient to the bed after transport, simply slide the sliding base 210 on the support base 200 to bring it closer to the side of the adjacent bed. The patient can be transferred to the target bed without manual lifting.

[0071] The working principle of an emergency transport stretcher: The frame 100 is equipped with side rails 101 and side guardrails 102 to ensure patient safety during transport. The bottom of the frame 100 is equipped with support wheels 110, adjustable wheels 120, and fixed wheels 140. The position of these wheels is adjusted via telescopic components 130, thereby raising or lowering the height of the frame 100. A sliding base 210 is provided on the support platform 200. Rollers 220 allow the sliding base 210 to move smoothly, facilitating the transfer of the patient from the stretcher to the hospital bed.

[0072] When in use, the adjustable constriction assembly adjusts the patient's posture by inflating the constriction airbag 410 and the extension airbag 420, and uses the upper and lower position restraints 440 and 450 for postural restraint. Furthermore, when the patient needs to be transported alone, the adjustable constriction assembly can be quickly removed using the straps 500 and the lever 510 for transporting the patient in confined spaces. The entire system is designed to improve the safety, comfort, and convenience of patient transport.

[0073] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An emergency transport stretcher, characterized in that: It includes a frame (100) made of lightweight, high-strength material, which provides sufficient structural support and stability. A load-bearing base (200) is laid on top of the frame (100), and a sliding base (210) is slidably provided at the end of the load-bearing base (200). The sliding base (210) is used in conjunction with the load-bearing base (200). The frame (100) is provided with a support plate (330) on one side. When the sliding base (210) slides outward, the support plate (330) can extend outward to provide additional support for the sliding base (210). The bottom of the support plate (330) is provided with a support leg (320). The support leg (320) can unfold outward and contact the ground to provide additional stability for the sliding base (210). Meanwhile, an adjustable contraction assembly is installed above the support base (200) by means of movable bonding. The adjustable contraction assembly is installed on the flexible support surface of the sliding base (210) to support the patient.

2. The emergency transport stretcher according to claim 1, characterized in that: The frame (100) is symmetrically provided with two side rails (101) along the central axis. The side rails (101) are damped and rotated and are sleeved on the surface of the frame (100). The ends of the frame (100) are symmetrically installed with two side rails (102) along the axis.

3. The emergency transport stretcher according to claim 2, characterized in that: The bottom of the frame (100) is symmetrically provided with two support wheels (110) along the central axis, and an adjustment wheel (120) is installed on one side of the support wheel (110). Meanwhile, a telescopic component (130) is movably mounted on the end of the support wheel (110) away from the adjusting wheel (120) via a pivot, while a fixed wheel (140) is fixedly mounted on the right side of the bottom of the frame (100); wherein the fixed wheel (140) and the two sets of adjusting wheels (120) are used together.

4. The emergency transport stretcher according to claim 3, characterized in that: The end of the support base (200) is inlaid with a plurality of rollers (220), and the surface of the support base (200) is provided with mounting grooves that cooperate with the rollers (220).

5. The emergency transport stretcher according to claim 4, characterized in that: The end of the support base (200) is symmetrically provided with sliding grooves (230) along the central axis, and a sliding plate (231) is slidably provided in the inner cavity of the sliding groove (230), and the end of the sliding plate (231) is connected to the bottom of the sliding base (210).

6. The emergency transport stretcher according to claim 5, characterized in that: The support platform (330) and the support leg (320) are connected to a fixed shaft (310) at opposite ends, and two retractable slide rods (300) are symmetrically installed at the right end of the fixed shaft (310) along the axis.

7. The emergency transport stretcher according to claim 6, characterized in that: The adjustable shrink assembly includes a flexible pad (400) and an air pump assembly (460) as a power source; A contraction airbag (410) is knitted and connected to the upper part of the flexible pad (400), and an extension airbag (420) is connected to the right side of the bottom of the contraction airbag (410). The contraction airbag (410) and the extension airbag (420) are connected to each other through a tube, and the input end of the contraction airbag (410) is connected to an air inlet tube (421).

8. The emergency transport stretcher according to claim 7, characterized in that: An upper body position limiting member (440) is installed on the right side of the end of the flexible pad (400), and a lower body position limiting member (450) is installed on the left side of the end of the flexible pad (400). The upper body position limiting member (440) and the lower body position limiting member (450) are used together to restrain the patient's body position.

9. The emergency transport stretcher according to claim 8, characterized in that: The flexible pad (400) is symmetrically connected with multiple fixing straps (430) along the central axis. The fixing straps (430) and the contraction airbag (410) are knitted together. The surface of the fixing straps (430) and the surface of the frame (100) are jointly fitted with Velcro assembly (431).

10. The emergency transport stretcher according to claim 9, characterized in that: The flexible pad (400) is symmetrically connected with two pull straps (500) along the central axis. A pull rod (510) is installed through the other end of the pull strap (500). Velcro group two (520) is installed on the surface of the pull strap (500) and the left and right ends of the frame (100).

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