Integrated transfer flat car for critical patients

Abstract

The present application relates to the technical field of transfer trolley, and discloses a critical patient integrated transfer flat car, which comprises a car frame, a pair of parallel slide rails are fixedly connected to one side of the car frame, a connecting rod is slidably connected between the two slide rails, a first electric telescopic rod is fixedly installed near each slide rail, the first electric telescopic rod is fixedly connected with the connecting rod, a transfer bed is movably installed on the connecting rod, and a pair of supporting parts for supporting the body are detachably connected to the transfer bed.

Description

Technical Field

[0001] This invention relates to the field of transport vehicle technology, specifically to an integrated transport flatbed for critically ill patients. Background Technology

[0002] Medical transfer vehicles are medical devices primarily used to transfer patients from one location to another. They typically consist of a mobile chassis and multiple medical beds, facilitating patient movement and ensuring they receive appropriate care during transport. Medical transfer vehicles are designed to ensure patient safety and comfort, minimizing potential harm during transport. They are usually equipped with necessary medical equipment such as oxygen cylinders, electrocardiogram monitors, and infusion pumps to provide appropriate medical support when necessary.

[0003] Most existing patient transport vehicles are pulley-type transport vehicles. These vehicles generally include a patient placement bed, a transmission structure, a support structure, and a moving mechanism. First, the doctor transfers the patient from the ground or inside the operating room, placing the patient on the placement bed. Then, the moving mechanism brings the placement bed closer to the fixed bed. Once the placement bed is close to the fixed bed, the transmission structure lowers it. After the sheets on the placement bed come into contact with the fixed bed, the snaps on the sheets are released. Because the sheets on patient placement beds are generally made of nylon or rigid materials to support the patient's weight, they are typically designed for this purpose. When transferring patients, for the comfort of critically ill patients, it is necessary to remove the sheets from the patient placement bed to allow the patient to come into contact with the sheets of the fixed bed. Therefore, during the removal process, the patient needs to be turned over and the sheets pulled out from the patient's back, which may cause secondary trauma. Many details need to be considered, making the operation quite troublesome. In addition, the transport vehicle needs to cover or be flush with the entire fixed bed. Since the coverage area of ​​the patient placement bed is fixed, if there are objects blocking the fixed bed, the transport operation is difficult to carry out. Therefore, the existing operating equipment needs further improvement. To this end, we propose an integrated transport flatbed for critically ill patients. Summary of the Invention

[0004] The purpose of this invention is to provide an integrated transport flatbed for critically ill patients to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an integrated transport trolley for critically ill patients, comprising a frame, a pair of parallel slide rails fixedly connected to one side of the frame, a connecting rod slidably connected between the two slide rails, a first electric telescopic rod fixedly installed near each slide rail on the frame, the first electric telescopic rod and the connecting rod being fixedly connected, a transport bed movably installed on the connecting rod, a pair of support parts for supporting the body being detachably connected to the transport bed, a pair of second electric telescopic rods being provided at the top of both ends of the transport bed, a second connecting hook being fixedly connected to one end of each second electric telescopic rod, the second connecting hook being slidably connected to the transport bed; the support part is a support sheet suspended on each second connecting hook, a fixing strip being fixedly installed near each second connecting hook at one end of the second electric telescopic rod, a rotating roller being rotatably connected between the two fixing strips, and a first connecting hook being detachably connected to the other end of each support sheet and the transport bed.

[0006] Preferably, the support further includes a fixed frame suspended at the bottom of each of the first connecting hooks, each fixed frame having a groove at one end, a slider fixedly installed at the bottom of the second connecting hook, one end of the fixed frame being slidably connected to the second connecting hook via the groove, a fixed roller being rotatably connected between a pair of parallel fixed frames, and a conveyor belt being tumbled between the two fixed rollers.

[0007] Preferably, the support part further includes an air cushion fixedly connected to the bottom of the first connecting hook, the second connecting hook and the air cushion being fixedly connected, each air cushion having an airtight opening at one end, the airtight opening having multiple baffles inside, and the baffles having multiple through holes.

[0008] Preferably, the air cushion and conveyor belt are made of soft rubber, and a hinge seat connects the transfer bed and the connecting rod.

[0009] Preferably, a retractable base is movably connected to the frame, and multiple rollers are provided at the bottom of the frame and the retractable base. A second movable plate and a first movable plate are slidably connected between the retractable base and the frame, and the second movable plate and the first movable plate are parallel to each other.

[0010] Preferably, one end of the connecting rod is fixedly connected to a sliding frame, a first rotating rod is inserted through the hinge seat, the first rotating rod is fixedly connected to the transfer bed, a worm gear is fixedly installed at one end of the first rotating rod, a worm is rotatably connected to the top of the sliding frame, the worm gear and the worm mesh for transmission, a first pulley is fixedly installed at one end of the worm, a second rotating rod is rotatably connected to the bottom of the sliding frame, and a manual turntable is fixedly connected to one end of the second rotating rod.

[0011] Preferably, a second pulley is fixedly installed on the second rotating rod, a fixing block is fixedly installed on the second movable plate, a bearing is fixedly installed on the fixing block, the inner ring of the bearing is connected to one end of the second pulley, a lead screw is connected between the retractable base and the fixing block, the inner ring of the bearing and the lead screw are matched in size, and the rotation of the second pulley drives the retractable base to move closer to the inside of the frame.

[0012] Preferably, a pair of anti-reverse chains are fixedly installed on the fixed block. The anti-reverse chains are in contact with the second pulley. The second pulley includes a climbing wheel that is rolledly connected to the second pulley, fixed plates fixed at both ends of the climbing wheel, and a guide rod fixed on the fixed block.

[0013] Preferably, the length of the frame does not exceed 2.2M, and the length of the transfer bed does not exceed 2M.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] This invention employs two parallel supporting sheets, a conveyor belt, and an air cushion on a transfer bed. After the patient is transferred, the second electric telescopic rod retracts, causing the second connecting hook to move on the transfer bed. This moves the two supporting sheets back to back, allowing one end of the supporting sheet to be fixed at the first connecting hook and folded through the second connecting hook, allowing it to be directly pulled away from the patient's back. The supporting sheets have rotating rollers on top, facilitating rolling against the patient's back during the removal of the supporting sheets, reducing patient pain and waiting time during transfer.

[0016] In this invention, a manual turntable is also manually rotated, which drives the second rotating rod to rotate. The second rotating rod then drives the worm gear to rotate, which in turn drives the worm wheel to rotate, thereby causing the first rotating rod to rotate. The rotation of the first rotating rod causes the transfer bed to flip over at the hinge seat, which facilitates the storage of transferred patients. It also reduces the passage area and increases the throughput if there are objects blocking the side of the fixed bed, thus improving the performance of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective;

[0019] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A;

[0020] Figure 4 This is a schematic diagram of the overall axial direction of the present invention;

[0021] Figure 5This is a schematic diagram of the connection structure between the conveyor belt and the transfer bed of the present invention;

[0022] Figure 6 For the present invention Figure 5 Enlarged structural diagram at point B;

[0023] Figure 7 For the present invention Figure 2 Enlarged structural diagram at point C;

[0024] Figure 8 This is a schematic diagram of the connection structure between the air cushion and the transfer bed of the present invention;

[0025] Figure 9 This is a left view of the air cushion of the present invention.

[0026] In the diagram: 1-Chassis; 101-Roller; 2-Retractable base; 201-First movable plate; 3-Transfer bed; 301-Hinge seat; 4-Slide rail; 5-First electric telescopic rod; 6-Connecting rod; 7-Slide frame; 8-First rotating rod; 9-Supporting sheet; 10-Rotating roller; 11-Second electric telescopic rod; 12-Fixing strip; 13-First connecting hook; 1301-Second connecting hook; 14-Worm gear; 15-Worm; 16-First pulley; 17-Second rotating rod; 18-Second pulley; 19-Manual turntable; 20-Screw screw; 21-Fixing block; 2101-Bearing; 22-Second movable plate; 23-Anti-reverse chain; 24-Fixing frame; 25-Slide groove; 26-Slider; 27-Fixing roller; 28-Air cushion; 29-Stop strip; 30-Penetrating hole; 31-Airtight opening; 32-Conveyor belt. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figure 1-9This invention provides a technical solution: an integrated transport flatbed for critically ill patients, comprising a frame 1. A pair of parallel slide rails 4 are fixedly connected to one side of the frame 1. A connecting rod 6 is slidably connected between the two slide rails 4. A first electric telescopic rod 5 is fixedly installed near each slide rail 4 on the frame 1. The first electric telescopic rod 5 and the connecting rod 6 are fixedly connected. A transport bed 3 is movably mounted on the connecting rod 6. A pair of support parts for supporting the body are detachably connected to the transport bed 3. A pair of second electric telescopic rods 11 are provided at the top of both ends of the transport bed 3. Each second electric telescopic rod 11... Each end of the device is fixedly connected to a second connecting hook 1301, which is slidably connected to the transfer bed 3. The support part is a support sheet 9 suspended on each second connecting hook 1301. A fixing strip 12 is fixedly installed at one end of the second electric telescopic rod 11 near each second connecting hook 1301. A rotating roller 10 is rotatably connected between the two fixing strips 12. The other end of each support sheet 9 is detachably connected to the transfer bed 3 via a first connecting hook 13. When the device is in use, the first electric telescopic rod 5 is lowered, which drives the transfer bed 3 to lower, and then the doctor places the patient on the ground. Alternatively, the patient can be lifted from the operating room and placed on the support sheet 9 on the transport bed 3 during the transfer. The first electric telescopic rod 5 is then raised to a higher position, and the cart 1 is pushed to the hospital's fixed bed for bed changing. During the bed changing, one side of the cart 1 is aligned with the side of the fixed bed, with the support sheet 9 positioned above the fixed bed. The first electric telescopic rod 5 is then lowered to place the support sheet 9 onto the fixed bed. Afterward, the second electric telescopic rod 11 is retracted, moving the second connecting hook 1301 onto the transport bed 3. The supporting sheet 9 is connected to the second connecting hook 1301. When the second connecting hook 1301 retracts along with the second electric telescopic rod 11, it drives the two supporting sheets 9 to move back to back. This causes one end of the supporting sheet 9 to be fixed at the first connecting hook 13 and folded through the second connecting hook 1301, allowing it to be directly pulled away from the patient's back. During the process of pulling away the supporting sheet 9, the rotating roller 10 is located on the upper part of the supporting sheet 9 and is positioned relatively close to the center of the patient's back. This facilitates rolling of the supporting sheet 9 with the patient's back during the pulling away process, assisting in the rapid pulling away of the supporting sheet 9 and reducing the patient's transfer time.

[0029] In a further embodiment, the support further includes a fixed frame 24 suspended at the bottom of each of the first connecting hooks 13. Each fixed frame 24 has a groove 25 at one end. A slider 26 is fixedly installed at the bottom of the second connecting hook 1301. One end of each fixed frame 24 is slidably connected to the second connecting hook 1301 via the groove 25. A fixed roller 27 is rotatably connected between a pair of parallel fixed frames 24. A conveyor belt 32 is rolling between the two fixed rollers 27. Initially, when the patient is on the two conveyor belts 32, the conveyor belts 32 are in a downward-pressed state. When a patient transfer operation needs to be performed, this embodiment prioritizes the above-described... When the second electric telescopic rod 11 retracts, the second connecting hook 1301 first drives the slider 26 to slide inside the groove 25. As the second connecting hook 1301 approaches the first connecting hook 13, the patient presses on the edge of the conveyor belt 32, causing the center of gravity of the conveyor belt 32 to change. This causes the conveyor belt 32 to gradually tilt downwards at one end with the first connecting hook 13 as the fulcrum, while the other end is pulled by the slider 26. During the movement of the second electric telescopic rod 11, the two conveyor belts 32 open in opposite directions. During the placement of the patient, the conveyor belt 32 can slide on the fixed roller 27, quickly and smoothly placing the patient on the fixed hospital bed.

[0030] In a further embodiment, the support also includes an air cushion 28 fixedly connected to the bottom of the first connecting hook 13, and the second connecting hook 1301 and the air cushion 28 are fixedly connected. Each air cushion 28 has an airtight opening 31 at one end, and the airtight opening 31 has multiple baffles 29 inside. The baffles 29 have multiple through holes 30. In this embodiment, the air cushion 28 can be raised by high-pressure gas. During the retraction operation of the second electric telescopic rod 11, the airtight opening 31 is opened at the same time to expel the air inside the air cushion 28, so that the air cushion 28 in contact with the human body sinks first. Then, during the movement of the second connecting hook 1301, the part of the air cushion 28 in contact with the human body is gradually removed from the back of the human body. Then, during the descent of the first electric telescopic rod 5, the human body slides on the air cushion 28 and is placed on the fixed hospital bed.

[0031] The air cushion 28 and conveyor belt 32 are made of soft rubber. A hinge seat 301 connects the transfer bed 3 and the connecting rod 6. A retractable base 2 is movably connected to the frame 1. Multiple rollers 101 are provided at the bottom of the frame 1 and the retractable base 2. A second movable plate 22 and a first movable plate 201 are slidably connected between the retractable base 2 and the frame 1. The second movable plate 22 and the first movable plate 201 are parallel to each other. When the ward width is limited, the retractable base 2 can be moved to slide parallel to the frame 1, reducing the overall width. At the same time, the transfer bed 3 tilts during the sliding process of the retractable base 2, increasing the throughput of the device, as detailed below:

[0032] One end of the connecting rod 6 is fixedly connected to the sliding frame 7. A first rotating rod 8 is inserted through the hinge seat 301. The first rotating rod 8 is fixedly connected to the transfer bed 3. A worm gear 14 is fixedly installed at one end of the first rotating rod 8. A worm 15 is rotatably connected to the top of the sliding frame 7. The worm gear 14 and the worm 15 mesh and drive each other. A first pulley 16 is fixedly installed at one end of the worm 15. A second rotating rod 17 is rotatably connected to the bottom of the sliding frame 7. A manual turntable 19 is fixedly connected to one end of the second rotating rod 17. (See attached diagram) Figure 3-7 As shown, when the base 2 needs to be moved or the device needs to be stored, the operator needs to manually rotate the manual turntable 19. The rotation of the manual turntable 19 drives the second rotating rod 17 to rotate, which in turn drives the worm gear 15 to rotate. The worm gear 15 then drives the worm wheel 14 to rotate, which in turn causes the first rotating rod 8 to rotate. The rotation of the first rotating rod 8 causes the transfer bed 3 to flip at the hinge seat 301, so that the transfer bed 3 and the frame 1 are placed parallel to each other. This facilitates the storage work after transferring patients, saves space, and allows the transfer bed 3 to tilt and pass through the door frame while changing its angle, making it easier to transport patients while they are lying on the transfer bed 3.

[0033] Furthermore, a second pulley 18 is fixedly installed on the second rotating rod 17, and a fixing block 21 is fixedly installed on the second movable plate 22. A bearing 2101 is fixedly installed on the fixing block 21. The inner ring of the bearing 2101 is connected to one end of the second pulley 18. A lead screw 20 is connected between the retractable base 2 and the fixing block 21. The inner ring of the bearing 2101 and the lead screw 20 have matching diameters. When the second pulley 18 rotates, it drives the retractable base 2 to move closer to the inside of the frame 1. When the second rotating rod 17 rotates, it synchronously drives the second pulley 18 to rotate. The rotation of the second pulley 18 drives the bearing 2101 to rotate. The inner ring of the bearing 2101 has an internal thread that matches the lead screw 20, and it drives the lead screw 20 to move. When the lead screw 20 moves, it drives the retractable base 2 to move closer to the frame 1 until the retractable base 2 moves to the first movable plate 201 and stops rotating.

[0034] Furthermore, a pair of anti-reverse chains 23 are fixedly installed on the fixing block 21. The anti-reverse chains 23 are in contact with the second pulley 18. The second pulley 18 includes a climbing wheel that is rolledly connected to the second pulley 18, fixing plates fixed at both ends of the climbing wheel, and a guide rod fixed on the fixing block 21. The length of the frame 1 does not exceed 2.2M, and the length of the transfer bed 3 does not exceed 2M. When transferring the patient, the first electric telescopic rod 5 is in a lowering state, and the belt on the second pulley 18 will inevitably detach. In order to prevent the inconvenience caused by the belt detaching from the second pulley 18, the belt position on the second pulley 18 is fastened to the belt by two sets of opposing climbing wheels to prevent it from tipping over after it is no longer under force. This makes it convenient for the belt to reconnect with the second pulley 18 when the first electric telescopic rod 5 moves up.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A critical patient transport trolley, comprising a frame (1), characterized in that: A pair of parallel slide rails (4) are fixedly connected to one side of the frame (1), and a connecting rod (6) is slidably connected between the two slide rails (4). A first electric telescopic rod (5) is fixedly installed on the frame (1) near each slide rail (4). The first electric telescopic rod (5) and the connecting rod (6) are fixedly connected. A transfer bed (3) is movably installed on the connecting rod (6). A pair of support parts for supporting the body are detachably connected to the transfer bed (3). A pair of second electric telescopic rods (11) are provided at the top of both ends of the transfer bed (3). A second connecting hook (1301) is fixedly connected to one end of each second electric telescopic rod (11). The second connecting hook (1301) and the transfer bed (3) are slidably connected. The support part is a support sheet (9) suspended on each second connecting hook (1301). One end of the second electric telescopic rod (11) is fixedly installed with a fixing strip (12) near each second connecting hook (1301). A rotating roller (10) is rotatably connected between the two fixing strips (12). The other end of each support sheet (9) is detachably connected to the transfer bed (3) with a first connecting hook (13). A hinge seat (301) is connected between the transfer bed (3) and the connecting rod (6). The frame (1) is movably connected to a retractable base (2). Multiple rollers (101) are provided at the bottom of the frame (1) and the retractable base (2). A second movable plate (22) and a first movable plate (201) are slidably connected between the retractable base (2) and the frame (1). The second movable plate (22) and the first movable plate (201) are parallel to each other. One end of the connecting rod (6) is fixedly connected to the sliding frame (7), and a first rotating rod (8) is inserted through the hinge seat (301). The first rotating rod (8) is fixedly connected to the transfer bed (3). A worm gear (14) is fixedly installed at one end of the first rotating rod (8). A worm (15) is rotatably connected to the top of the sliding frame (7). The worm gear (14) and the worm (15) mesh and drive each other. A first pulley (16) is fixedly installed at one end of the worm (15). A second rotating rod (17) is rotatably connected to the bottom of the sliding frame (7). A manual turntable (19) is fixedly connected to one end of the second rotating rod (17). A second pulley (18) is fixedly installed on the second rotating rod (17), a fixing block (21) is fixedly installed on the second movable plate (22), a bearing (2101) is fixedly installed on the fixing block (21), the inner ring of the bearing (2101) is connected to one end of the second pulley (18), a lead screw (20) is connected between the retractable base (2) and the fixing block (21), the inner ring of the bearing (2101) and the lead screw (20) are matched in size, the second pulley (18) rotates and drives the retractable base (2) to move closer to the inside of the frame (1); A pair of anti-reverse chains (23) are fixedly installed on the fixed block (21). The anti-reverse chains (23) are in contact with the second pulley (18). The second pulley (18) includes a climbing wheel that is rolledly connected to the second pulley (18), a fixing plate fixed at both ends of the climbing wheel, and a guide rod fixed on the fixed block (21).

2. The integrated transport trolley for critically ill patients according to claim 1, characterized in that: The length of the frame (1) does not exceed 2.2M, and the length of the transfer bed (3) does not exceed 2M.

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