Weighable lifting stretcher convenient to transfer

Abstract

The invention discloses a lifting stretcher convenient to transfer and capable of weighing, and belongs to the technical field of medical instruments.The lifting stretcher comprises a stretcher body, the stretcher body comprises a bed base and a bed board, the stretcher body is provided with a transfer moving assembly, a horizontal conveying belt and a conveying conversion assembly, and the transfer moving assembly is arranged on the bed board; the conveying conversion assembly is arranged on the bed moving assembly, the horizontal conveying belt is arranged on the conveying conversion assembly in a sleeving mode, a head placing base, a head height adjusting assembly, a head angle adjusting assembly and a head limiting assembly are arranged on the bed moving assembly, and the head placing base is connected to the bed moving assembly in a sliding mode; the head height adjusting assembly is arranged in the head placing seat, the head angle adjusting assembly is arranged in the head height adjusting assembly, and the head limiting assembly is arranged on the head angle adjusting assembly. According to the invention, the stability of the head and the neck of a patient can be kept when the patient passes through a bed.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, and in particular to a stretcher bed which is convenient for bed transfer and can be weighed and lifted. Background Art

[0002] Intravenous thrombolysis for acute ischemic stroke refers to a treatment method in which thrombolytic drugs are infused intravenously within a certain time window after the onset of acute ischemic stroke to dissolve the blood clots blocking the cerebral blood vessels, restore cerebral blood flow, save dying brain tissue, and thus improve the patient's neurological deficit symptoms.

[0003] The time window for intravenous thrombolysis of acute ischemic stroke in neurology department is within 4.5 hours. In order to shorten the thrombolysis time window, accurately calculate the dosage of drugs, and reduce the inconvenience caused to patients and their families by moving patients back and forth, this stretcher is designed.

[0004] Most of the stretchers currently used in clinical practice do not have the function of measuring weight. However, in emergency intravenous thrombolysis for ischemic stroke in neurology, the dosage of drugs is first calculated according to body weight and then used.

[0005] During the transfer of patients undergoing intravenous thrombolysis for acute ischemic stroke, it is very important to keep their heads and necks stable. The blood circulation in the brain of patients with acute ischemic stroke is not smooth, and the shaking of the head and neck will cause the carotid and vertebral arteries in the neck to twist and be compressed. Once the morphology of these two important blood vessels changes, the blood flow will be blocked, and sufficient blood cannot be delivered to the brain normally. The degree of ischemia and hypoxia in the brain tissue, which is already ischemic and hypoxic, will be aggravated after the blood supply is further reduced, which may cause more brain cells to be damaged or even die due to lack of sufficient nutrients, seriously affecting the effect of subsequent treatment and increasing the risk of disability and death of patients. As mentioned in the document, when the head shakes excessively and causes the carotid artery to twist, the blood flow rate may drop from the normal 30-50 cm per second to 10-20 cm per second. Such a large drop in blood flow rate has a negative impact on the blood supply to the brain.

[0006] Causes abnormal fluctuations in blood pressure: Shaking the head and neck will stimulate the body's pressure receptors, which in turn causes blood pressure fluctuations. For patients with acute ischemic stroke, unstable blood pressure is extremely harmful. A sudden increase in blood pressure may cause the already damaged cerebral blood vessels to rupture and bleed due to the pressure, causing the condition to deteriorate sharply; a sudden drop in blood pressure will further reduce brain perfusion and expand the area of ​​cerebral infarction. Studies have shown that during the transfer process, the blood pressure fluctuations of patients with obvious head shaking may exceed systolic pressure ±20mmHg and diastolic pressure ±10mmHg. Such large fluctuations seriously threaten the life and health of patients.

[0007] During the bed transfer process, the hospital bed and the stretcher are at the same horizontal plane. When the patient moves from the hospital bed to the stretcher or from the stretcher to the hospital bed, the patient will be located on the horizontal moving end of the stretcher. When moving relative to each other, there will be a drop to facilitate the transfer of the patient's position. Due to the drop between the two, the patient's neck and head will shake during the transfer, affecting the safety of the patient's transfer.

[0008] Therefore, the device provides a stretcher bed which is convenient for use and can be weighed and lifted. Summary of the invention

[0009] The embodiment of the present invention provides a stretcher bed which is easy to move around and can be weighed and lifted, so as to solve the above-mentioned technical problems.

[0010] The embodiment of the present invention adopts the following technical scheme: a stretcher bed that is convenient for passing the bed and can be weighed and lifted, comprising a stretcher bed body, the stretcher bed body comprising a bed base and a bed board, the stretcher bed body is provided with a bed passing moving component, a horizontal conveyor belt and a conveying conversion component, the bed passing moving component is arranged on the bed board, the conveying conversion component is arranged on the bed passing moving component and the conveying conversion component is rotatably connected to the bed passing moving component, the horizontal conveyor belt is sleeved on the conveying conversion component, the bed passing moving component is provided with a head placement seat, a head height adjustment component, a head angle adjustment component and a head limiting component, the head placement seat is slidably connected to the bed passing moving component, the horizontal conveyor belt can drive the head placement seat to move on the bed passing moving component, the head height adjustment component is arranged in the head placement seat, the head angle adjustment component is arranged in the head height adjustment component, the head limiting component is arranged on the head angle adjustment component, and the head limiting component is slidably matched with the head angle adjustment component.

[0011] Furthermore, the bed moving assembly includes a moving frame and two horizontal electric slides, the two horizontal electric slides are symmetrically arranged at one end of the bed board, the two ends of the moving frame are respectively connected to the moving ends of the two horizontal electric slides, one side of the moving frame is provided with two slide grooves, the head placement seat is provided with two sliders, the head placement seat is slidably connected in the two slide grooves through the two sliders, and horizontally connected corrugated soft plates are provided on both sides of the head placement seat.

[0012] Furthermore, the conveying transformation assembly includes a conveying motor, two conveying rollers, two transformation rollers and two transformation parts. The two conveying rollers are symmetrically connected to the mobile frame in an upper and lower rotation manner. The mobile frame is provided with two transformation grooves. The conveying motor is located in the mobile frame and is transmission-connected to one of the conveying rollers. The two transformation parts are respectively arranged in the two transformation grooves. Each of the transformation parts includes a transformation motor and a transformation plate. The transformation motor is located in the transformation groove. The transformation plate is connected to the main shaft of the transformation motor. The two ends of the two transformation rollers are respectively rotatably connected to the two transformation plates. The horizontal conveyor belt is mounted on the two conveying rollers and the two transformation rollers. The horizontal conveyor belt is connected to the head placement seat.

[0013] Furthermore, a rotating box is provided in the head placement seat, and the rotating box is rotatably connected in the head placement seat. A rotating motor is provided on the side wall of the head placement seat and is transmission-connected to the rotating box. The rotating motor is located on the mobile frame, and a sliding groove is provided on the mobile frame for the rotating motor to slide.

[0014] Furthermore, the head height adjustment assembly includes a lifting plate, a lifting motor, a cross plate, a first adjustment plate, a second adjustment plate and four limit rods. The cross plate is horizontally arranged in a rotating box, the lifting motor is located on the cross plate, the first adjustment plate is connected to the main shaft of the lifting motor, the four limit rods are respectively arranged at the four corners of the lifting plate, the limit rods are hinged to the lifting plate, a limit seat slidingly matched with the limit rods is provided in the rotating box, and the two ends of the second adjustment plate are respectively hinged to the bottom of the first adjustment plate and the lifting plate.

[0015] Furthermore, the head angle adjustment assembly includes a mounting seat, an adjustment motor, an adjustment block, an adjustment base, an adjustment screw and two rotating plates, the mounting seat is connected to the top of the lifting plate, the adjustment base is arranged in the mounting seat, the adjustment screw is rotatably connected to the adjustment base, the adjustment motor is located on the adjustment base and the adjustment motor is transmission-connected to the adjustment screw, the adjustment base is provided with two symmetrically arranged sliding rods, the adjustment block is slidably matched with the two sliding rods, the adjustment block is threadedly connected to the adjustment screw, the mounting seat is provided with a head and neck cushion, the head and neck cushions are hinged to the mounting seat, one end of the two rotating plates is rotatably connected to the two sides of the adjustment block, and the other end of the two rotating plates is hinged to the bottom of the head and neck cushion.

[0016] Furthermore, the head limiting assembly includes a movable cushion, a movable motor, a movable gear and a movable toothed plate frame. A movable groove is provided at one end of the top of the mounting seat. The movable motor is located in the mounting seat. The movable gear is connected to the main shaft of the movable motor. The movable toothed plate frame is vertically arranged at the bottom of the movable cushion. The movable gear is meshed with the movable toothed plate frame, and the movable cushion is slidably connected in the movable groove.

[0017] Furthermore, the head limit assembly also includes a fixed plate, an upper locking electric cylinder and a lower locking electric cylinder. The fixed plate is located in the mounting seat and on the side of the movable groove. The upper locking electric cylinder and the lower locking electric cylinder are respectively provided with an upper locking rod and a lower locking rod. The upper locking electric cylinder and the lower locking electric cylinder are symmetrically arranged on the fixed plate, and the movable tooth plate frame is provided with a plug-in hole for plugging with the upper locking rod or the lower locking rod.

[0018] Furthermore, a body weight sensor is provided on the horizontal conveyor belt.

[0019] Furthermore, the bed base is provided with two symmetrically arranged lifting electric cylinders, the bed board is connected to the telescopic ends of the two lifting electric cylinders, and the outer sides of the lifting electric cylinders are provided with corrugated protective sleeves.

[0020] At least one of the above technical solutions adopted in the embodiments of the present invention can achieve the following beneficial effects:

[0021] Firstly, when the head and neck of the patient are raised, the lifting motor drives the first adjustment plate to rotate, thereby driving the second adjustment plate to rotate on the lifting plate, so that the lifting plate moves up and down on the limiting seat through four limiting rods, thereby driving the position of the lifting plate to move on the head placement seat, so that when the patient is crossing the bed, the neck or head of the patient is lifted upward, so that the head or neck position is kept flush with the patient's body position without shaking; keeping the patient's head and neck position flush with the body without shaking has the following benefits: improving cerebral blood circulation; keeping the airway unobstructed; relieving neck pressure; and reducing intracranial pressure.

[0022] Secondly, when the patient is on the horizontal conveyor belt, the rotating motor of the present invention will drive the rotating box to rotate on the head placement seat, and tilt the position of the rotating box to the side of the patient's head, so that the head and neck cushions can be moved to the patient's head and neck position to prevent the patient's head or neck from shaking during the bed transfer process, thereby preventing subsequent complications; and when the patient is on the bed and transfers to the horizontal conveyor belt, the head and neck cushions can also limit and fix the position of the patient's neck and head; and when the horizontal conveyor belt moves horizontally, the rotating motor will drive the rotating box to rotate to a horizontal position, so that the temperature of the patient's head and neck can be maintained; limiting and fixing the position of the patient's neck and head has the following advantages: protecting blood vessels; avoiding secondary injuries; maintaining normal intracranial pressure; and facilitating operation and transfer.

[0023] Thirdly, when the present invention adjusts the angular position of one end of the head and neck cushion, the adjustment motor drives the adjustment screw to rotate on the adjustment base, thereby driving the adjustment block to move horizontally on the adjustment screw and the two sliding rods, and the position movement of the adjustment block drives the two rotating plates to rotate, thereby driving the head and neck cushion to rotate on the mounting seat, which will cause one end of the head and neck cushion to tilt upward and rotate. In the process of transferring the patient across the bed, the patient's head and neck are ensured to remain stable and motionless, the height difference between the horizontal conveyor belt and the bed is compensated, and the patient's neck and head are kept flush with the body; the neck blood vessels and nerves are prevented from being excessively compressed, the normal flow of blood in the neck blood vessels is ensured, and the blood supply to the brain is avoided from being affected by the compression of the blood vessels, while also reducing the discomfort or damage caused by the compression of the nerves; the tongue root is prevented from falling back and blocking the airway, the airway is ensured to be unobstructed, normal gas exchange is maintained, sufficient oxygen is provided to the brain, and brain damage is avoided from being aggravated due to lack of oxygen. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0026] Figure 2 is a side view of the present invention;

[0027] Figure 3 It is a partial three-dimensional structural schematic diagram of the stretcher bed body in the present invention;

[0028] Figure 4It is a three-dimensional structural schematic diagram of the bed moving component and the conveying conversion component in the present invention;

[0029] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0030] Figure 6 It is a schematic diagram of a partial three-dimensional structure of the present invention;

[0031] Figure 7 It is a three-dimensional structural schematic diagram of the head height adjustment component in the present invention;

[0032] Figure 8 The three-dimensional structure of the head angle adjustment component of the present invention is shown in FIG. Figure 1 ;

[0033] Fig. 9 The three-dimensional structure of the head angle adjustment component of the present invention is shown in FIG. Figure 2 ;

[0034] Fig.10 for Fig. 9 Enlarged view of point B in the middle;

[0035] Fig.11 The three-dimensional structure of the head angle adjustment component of the present invention is shown in FIG. Figure 3 ;

[0036] Fig.12 for Fig.11 Enlarged view of point C in the middle;

[0037] Fig.13 The state of the horizontal conveyor belt in the present invention Figure 1 ;

[0038] Fig.14 The state of the horizontal conveyor belt in the present invention Figure 2 ;

[0039] Reference numerals

[0040] Stretcher bed body 1, bed base 11, bed board 12, lifting electric cylinder 13, corrugated protective cover 14, bed moving component 2, moving frame 21, horizontal electric slide 22, slide 23, slide 24, horizontal conveyor belt 3, conveying conversion component 4, conveying motor 41, conveying roller 42, conversion roller 43, conversion motor 44, conversion plate 45, head placement seat 5, slider 51, rotating box 52, rotating motor 53, head height adjustment component 6, lifting plate 61, lifting motor 62, cross plate 63, first adjustment Whole plate 64, second adjustment plate 65, limit rod 66, head angle adjustment assembly 7, mounting seat 71, adjustment motor 72, adjustment block 73, adjustment base 74, adjustment screw 75, rotating plate 76, head and neck cushion 77, sliding rod 78, head limit assembly 8, movable tooth plate frame 80, movable cushion 81, movable motor 82, movable gear 83, fixed plate 84, upper locking electric cylinder 85, lower locking electric cylinder 86, upper locking rod 87, lower locking rod 88, plug hole 89, corrugated soft plate 9. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0043] The embodiment of the present invention provides a stretcher bed that is convenient for bed transfer and can be weighed and lifted, comprising a stretcher bed body 1, the stretcher bed body 1 comprising a bed base 11 and a bed board 12, the stretcher bed body 1 is provided with a bed transfer moving component 2, a horizontal conveyor belt 3 and a conveying conversion component 4, the bed transfer moving component 2 is arranged on the bed board 12, the conveying conversion component 4 is arranged on the bed transfer moving component 2 and the conveying conversion component 4 is rotatably connected to the bed transfer moving component 2, the horizontal conveyor belt 3 is sleeved on the conveying conversion component 4, the bed transfer moving component 2 is provided with a head placement seat 5, a head height adjustment component 6, a head angle adjustment component 7 and a head limiting component 8, the head placement seat 5 is slidably connected to the bed transfer moving component 2, the horizontal conveyor belt 3 can drive the head placement seat 5 to move on the bed transfer moving component 2, the head height adjustment component 6 is arranged in the head placement seat 5, the head angle adjustment component 7 is arranged in the head height adjustment component 6, the head limiting component 8 is arranged on the head angle adjustment component 7, and the head limiting component 8 is slidably matched with the head angle adjustment component 7.

[0044] Preferably, the bed moving assembly 2 includes a moving frame 21 and two horizontal electric slides 22, the two horizontal electric slides 22 are symmetrically arranged at one end of the bed board 12, the two ends of the moving frame 21 are respectively connected to the moving ends of the two horizontal electric slides 22, one side of the moving frame 21 is provided with two slide grooves 23, the head placement seat 5 is provided with two sliders 51, the head placement seat 5 is slidably connected in the two slide grooves 23 through the two sliders 51, and the two sides of the head placement seat 5 are provided with horizontally connected corrugated soft plates 9.

[0045] When the head rest seat 5 moves with the horizontal conveyor belt 3, the corrugated soft board 9 can be squeezed and the corrugated soft board 9 can be stretched to prevent the patient's hair or other objects from being squeezed and damaged when the head rest seat 5 moves.

[0046] In the process of transferring a patient to a bed, when the patient is on the horizontal conveyor belt 3, the two horizontal electric slides 22 work simultaneously to drive the position of the moving frame 21 to move from the stretcher bed body 1 to the bed;

[0047] When the patient is on the bed, the two horizontal electric slides 22 work simultaneously to drive the moving frame 21 to move from the bed to the stretcher bed body 1;

[0048] During the process of transferring the patient from bed to bed, the horizontal conveyor belt 3 can assist the patient in moving from bed to bed.

[0049] Preferably, the conveying conversion assembly 4 includes a conveying motor 41, two conveying rollers 42, two conversion rollers 43 and two conversion pieces. The two conveying rollers 42 are symmetrically connected to the mobile frame 21 for rotation up and down. The mobile frame 21 is provided with two conversion grooves. The conveying motor 41 is located in the mobile frame 21 and is transmission-connected to one of the conveying rollers 42. The two conversion pieces are respectively arranged in the two conversion grooves. Each of the conversion pieces includes a conversion motor 44 and a conversion plate 45. The conversion motor 44 is located in the conversion groove. The conversion plate 45 is connected to the main shaft of the conversion motor 44. The two ends of the two conversion rollers 43 are respectively rotationally connected to the two conversion plates 45. The horizontal conveyor belt 3 is sleeved on the two conveying rollers 42 and the two conversion rollers 43. The horizontal conveyor belt 3 is connected to the head placement seat 5.

[0050] When the patient is located on the horizontal conveyor belt 3, the two conversion rollers 43 are in a vertically symmetrical state (refer to Fig.13 As shown), at this time, the conveying motor 41 works to drive the conveying roller 42 to rotate on the moving frame 21, which will drive the horizontal conveyor belt 3 to rotate on the two conveyor rollers 42 and the two conversion rollers 43, and the horizontal conveyor belt 3 rotates to horizontally move the patient from the stretcher bed body 1 to the bed;

[0051] When the patient is on the bed, the conversion motor 44 drives the conversion plate 45 to rotate, and the conversion rollers 43 (refer to Fig.13 ) is rotated to a horizontally symmetrical transition roller 43 (refer to Fig.14 The horizontal conveyor belt 3 is in a flat state when the two horizontal electric slides 22 drive the horizontal conveyor belt 3 to move between the patient and the bed, so that the patient can keep his body stable during the transfer process, and it is not difficult for the patient to move onto the horizontal conveyor belt 3 due to the horizontal conveyor belt 3 being too high. A relatively smooth transition can be formed between the flat horizontal conveyor belt 3 and the bed, which reduces the possibility of the patient being stuck, tripping or sliding off the horizontal conveyor belt 3 during the movement, and helps to ensure the safety of the patients, especially for ischemic stroke patients with severe conditions and weak bodies, it can reduce the risk of secondary injuries during the bed transfer process; it is convenient for medical staff to make flexible adjustments according to the patient's specific situation and the position of the bed, whether it is adjusting the angle of the horizontal conveyor belt 3 or fine-tuning the patient's body position, it is easier, thereby improving the bed transfer efficiency and saving time, which is particularly important for situations where patients need to be quickly placed in emergency situations.

[0052] Preferably, a rotating box 52 is provided in the head placement seat 5, and the rotating box 52 is rotatably connected in the head placement seat 5. A rotating motor 53 is provided on the side wall of the head placement seat 5 and is transmission-connected to the rotating box 52. The rotating motor 53 is located on the moving frame 21, and the moving frame 21 is provided with a sliding groove 24 for the rotating motor 53 to slide.

[0053] When the patient is on the horizontal conveyor belt 3, the rotating motor 53 will drive the rotating box 52 to rotate on the head placement seat 5, and tilt the rotating box 52 to the side of the patient's head, so that the head and neck placement cushion 77 can be moved to the patient's head and neck position to prevent the patient's head or neck from shaking during the bed transfer process, thereby causing subsequent complications; and when the patient is on the bed and moves onto the horizontal conveyor belt 3, the head and neck placement cushion 77 can also limit and fix the position of the patient's neck and head; and when the horizontal conveyor belt 3 moves horizontally, the rotating motor 53 will drive the rotating box 52 to rotate to a horizontal position, so that the head and neck position of the patient can be kept stable.

[0054] Limiting and fixing the position of the patient's neck and head has the following benefits:

[0055] Protect blood vessels: Patients with acute ischemic stroke often have lesions or blockages in their brain blood vessels. Limiting and fixing the neck and head can prevent excessive shaking of the head or twisting of the neck when moving in bed, which may cause traction and compression of the neck blood vessels, thereby avoiding further damage to the blood vessels or affecting blood supply to the brain, and reducing the risk of aggravating cerebral ischemia due to vascular problems.

[0056] Avoid secondary injury: The brain of a stroke patient is in a fragile state of ischemia and hypoxia. Stability of the head and neck helps prevent shaking or displacement of brain tissue due to improper body position changes, reduces further traction and impact on damaged brain tissue, and thus reduces the possibility of secondary brain injury.

[0057] Maintain normal intracranial pressure: A stable head and neck position helps maintain a relatively stable intracranial pressure. If the head position changes too much or too quickly when moving from one bed to another, it may cause fluctuations in intracranial pressure. Positioning fixation can keep the intracranial pressure changes relatively stable, which is conducive to stabilizing the condition and reducing the risk of serious complications such as cerebral edema and brain herniation caused by abnormal fluctuations in intracranial pressure.

[0058] Easy to operate and transfer: After the neck and head are limited and fixed, the position of the patient's head is relatively fixed, which allows medical staff to operate more conveniently and safely during the bed transfer process, improves bed transfer efficiency, reduces bed transfer time, and better protects patients during transfer, preventing head injuries caused by bumps, shaking, etc., thereby ensuring the safety of the transfer process.

[0059] Preferably, the head height adjustment assembly 6 includes a lifting plate 61, a lifting motor 62, a cross plate 63, a first adjustment plate 64, a second adjustment plate 65 and four limit rods 66. The cross plate 63 is horizontally arranged in the rotating box 52, the lifting motor 62 is located on the cross plate 63, the first adjustment plate 64 is connected to the main shaft of the lifting motor 62, the four limit rods 66 are respectively arranged at the four corners of the lifting plate 61, the limit rods 66 are hinged to the lifting plate 61, a limit seat slidingly matched with the limit rods 66 is provided in the rotating box 52, and the two ends of the second adjustment plate 65 are respectively hinged to the bottom of the first adjustment plate 64 and the lifting plate 61.

[0060] When the patient's head and neck are raised, the lifting motor 62 drives the first adjustment plate 64 to rotate, thereby driving the second adjustment plate 65 to rotate on the lifting plate 61, so that the lifting plate 61 moves up and down on the limiting seat through the four limiting rods 66, thereby driving the position of the lifting plate 61 to move on the head placement seat 5, so that the patient's neck or head position is lifted up during the process of crossing the bed, so that the head or neck position is kept flush with the patient's body position without shaking;

[0061] Keeping the patient's head and neck level with the torso without shaking has the following benefits:

[0062] Improve brain blood circulation: Properly elevating the head and neck can put the brain blood vessels in a more favorable position, promote blood return to the heart, reduce the pressure on brain blood vessels, improve brain blood circulation, and reduce brain tissue damage caused by ischemia. At the same time, keeping the position flat and stable can avoid blood pressure fluctuations caused by the head being too low or too high and shaking, and prevent adverse effects on brain blood supply.

[0063] Keep the airway open: Lifting the head and neck appropriately and keeping them stable can keep the patient's airway open. This can prevent the tongue from falling back and blocking the airway, and is also conducive to the drainage of oral and respiratory secretions, reducing the risk of aspiration and respiratory infection, ensuring that the patient's respiratory function is normal, and providing sufficient oxygen to the brain.

[0064] Reducing neck pressure: Keeping the head, neck and body level can put the neck muscles and cervical spine in a more natural and relaxed state, reducing the pressure on the neck. For patients with acute ischemic stroke, especially those with cervical vascular disease or cervical spine problems, this helps to avoid excessive local pressure on the neck that affects blood circulation, or compression of the spinal cord and nerves due to cervical spine instability, further aggravating the condition.

[0065] Lowering intracranial pressure: A proper and stable position of the head and neck helps maintain the balance of intracranial pressure. Avoiding increased intracranial pressure due to improper head position or shaking, thereby reducing the risk of serious complications such as cerebral edema and brain herniation, is of great significance to the patient's condition stability and prognosis.

[0066] Preferably, the head angle adjustment assembly 7 includes a mounting seat 71, an adjustment motor 72, an adjustment block 73, an adjustment base 74, an adjustment screw 75 and two rotating plates 76. The mounting seat 71 is connected to the top of the lifting plate 61, the adjustment base 74 is arranged in the mounting seat 71, the adjustment screw 75 is rotatably connected to the adjustment base 74, the adjustment motor 72 is located on the adjustment base 74 and the adjustment motor 72 is transmission-connected to the adjustment screw 75, the adjustment base 74 is provided with two symmetrically arranged sliding rods 78, the adjustment block 73 is slidably matched with the two sliding rods 78, the adjustment block 73 is threadedly connected to the adjustment screw 75, the mounting seat 71 is provided with a head and neck cushion 77, the head and neck cushion 77 is hinged to the mounting seat 71, one end of the two rotating plates 76 is rotatably connected to the two sides of the adjustment block 73, and the other end of the two rotating plates 76 is hinged to the bottom of the head and neck cushion 77.

[0067] When adjusting the angle position of one end of the head and neck cushion 77, the adjustment motor 72 drives the adjustment screw 75 to rotate on the adjustment base 74, thereby driving the adjustment block 73 to move horizontally on the adjustment screw 75 and the two sliding rods 78, and the position movement of the adjustment block 73 will drive the two rotating plates 76 to rotate, thereby driving the head and neck cushion 77 to rotate on the mounting seat 71, which will make one end of the head and neck cushion 77 tilt upward and rotate. In the process of transferring the patient to the bed, the patient's head and neck position are ensured to remain stable and immobile, the height difference between the horizontal conveyor belt 3 and the bed is compensated, and the patient's neck and head position are kept flush with the body; the neck blood vessels and nerves are prevented from being excessively compressed, the normal blood flow in the neck blood vessels is ensured, the blood supply to the brain is avoided to be affected by the compression of the blood vessels, and the discomfort or damage caused by the compression of the nerves is also reduced; the tongue root is prevented from falling back and blocking the airway, the airway is ensured to be unobstructed, normal gas exchange is maintained, sufficient oxygen is provided to the brain, and brain damage is avoided to be aggravated due to lack of oxygen.

[0068] Preferably, the head limiting assembly 8 includes a movable cushion 81, a movable motor 82, a movable gear 83 and a movable toothed plate frame 80. A movable groove is provided at one end of the top of the mounting seat 71. The movable motor 82 is located in the mounting seat 71. The movable gear 83 is connected to the main shaft of the movable motor 82. The movable toothed plate frame 80 is vertically arranged at the bottom of the movable cushion 81. The movable gear 83 is meshed with the movable toothed plate frame 80, and the movable cushion 81 is slidably connected in the movable groove.

[0069] Preferably, the head limit assembly 8 also includes a fixed plate 84, an upper locking electric cylinder 85 and a lower locking electric cylinder 86, the fixed plate 84 is located in the mounting seat 71 and is located next to the movable groove, the upper locking electric cylinder 85 and the lower locking electric cylinder 86 are respectively provided with an upper locking rod 87 and a lower locking rod 88, the upper locking electric cylinder 85 and the lower locking electric cylinder 86 are symmetrically arranged on the fixed plate 84, and the movable tooth plate frame 80 is provided with a plug-in hole 89 for plugging with the upper locking rod 87 or the lower locking rod 88.

[0070] When the horizontal conveyor belt 3 rotates horizontally, the moving motor 82 drives the moving gear 83 to rotate on the moving toothed plate frame 80, so that the position of the moving cushion 81 moves up and down in the moving groove, and the position of the moving cushion 81 is moved to a position flush with the head and neck cushion 77, so as to fix the head and neck of the patient;

[0071] At this time, the upper locking electric cylinder 85 works to drive the upper locking rod 87 to move, and the position of the upper locking rod 87 is moved to the insertion hole 89 on the movable tooth plate frame 80, so as to fix the position of the movable tooth plate frame 80 and the position of the movable cushion 81;

[0072] When the horizontal conveyor belt 3 stops rotating and the patient is moved from the horizontal conveyor belt 3 to the bed, or when the patient is moved from the bed to the horizontal conveyor belt 3, the position of the movable cushion 81 moves downward away from the head and neck cushion 77, providing space for the subsequent downward movement of the patient's head and neck;

[0073] At this time, the lower locking electric cylinder 86 works to drive the lower locking rod 88 to move, and moves the position of the lower locking rod 88 to the insertion hole 89 on the movable toothed plate frame 80, thereby fixing the position of the movable toothed plate frame 80 and the position of the movable cushion 81.

[0074] Preferably, a body weight sensor is provided on the horizontal conveyor belt 3. The model of the body weight sensor is YZC-1616B.

[0075] The body weight sensor can weigh the weight of patients who have moved to the bed. The dosage of drugs used for intravenous thrombolysis in ischemic stroke in the neurology department can be configured according to the patient's weight, so that the dosage of drugs used for intravenous thrombolysis can be calculated during the treatment process.

[0076] Preferably, two symmetrically arranged lifting electric cylinders 13 are provided on the bed base 11 , the bed board 12 is connected to the telescopic ends of the two lifting electric cylinders 13 , and the outer sides of the lifting electric cylinders 13 are provided with corrugated protective sleeves 14 .

[0077] When the patient passes from the stretcher bed body 1 to the hospital bed, or from the hospital bed to the stretcher bed body 1, it is necessary to keep the height between the stretcher bed body 1 and the hospital bed consistent. At this time, the two lifting electric cylinders 13 can work simultaneously to drive the height position of the bed board 12 to move, so that the stretcher bed body 1 and the hospital bed maintain the same height, ensuring the connection between the stretcher bed body 1 and the hospital bed.

[0078] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A stretcher bed that is easy to move and can be weighed and lifted, characterized in that: It comprises a stretcher bed body (1), wherein the stretcher bed body (1) comprises a bed base (11) and a bed board (12); The stretcher bed body (1) is provided with a bed moving assembly (2), a horizontal conveyor belt (3) and a conveyor conversion assembly (4); The bed-passing moving assembly (2) is arranged on the bed board (12), the conveying conversion assembly (4) is arranged on the bed-passing moving assembly (2), and the conveying conversion assembly (4) and the bed-passing moving assembly (2) are rotatably connected, and the horizontal conveyor belt (3) is sleeved on the conveying conversion assembly (4); The bed moving assembly (2) is provided with a head placement seat (5), a head height adjustment assembly (6), a head angle adjustment assembly (7) and a head limit assembly (8); The head placement seat (5) is slidably connected to the bed moving assembly (2), and the horizontal conveyor belt (3) can drive the head placement seat (5) to move on the bed moving assembly (2); The head height adjustment component (6) is arranged in the head placement seat (5), and the head angle adjustment component (7) is arranged in the head height adjustment component (6); The head limiting assembly (8) is arranged on the head angle adjustment assembly (7), and the head limiting assembly (8) is slidably matched with the head angle adjustment assembly (7).

2. The stretcher bed that can be weighed and lifted for easy transfer according to claim 1 is characterized in that: The bed moving assembly (2) comprises a moving frame (21) and two horizontal electric slides (22), wherein the two horizontal electric slides (22) are symmetrically arranged at one end of a bed board (12), and the two ends of the moving frame (21) are respectively connected to the moving ends of the two horizontal electric slides (22), and one side of the moving frame (21) is provided with two slide grooves (23), and the head placement seat (5) is provided with two sliders (51), and the head placement seat (5) is slidably connected in the two slide grooves (23) through the two sliders (51), and horizontally connected corrugated soft plates (9) are provided on both sides of the head placement seat (5).

3. The stretcher bed that can be weighed and lifted for easy transfer according to claim 2 is characterized in that: The conveying conversion assembly (4) comprises a conveying motor (41), two conveying rollers (42), two conversion rollers (43) and two conversion members. The two conveying rollers (42) are symmetrically connected to the moving frame (21) in rotation. The moving frame (21) is provided with two conversion grooves. The conveying motor (41) is located in the moving frame (21) and is transmission-connected to one of the conveying rollers (42). The two conversion members are respectively arranged in the two conversion grooves. Each of the conversion members comprises a conversion motor (44) and a conversion plate (45). The conversion motor (44) is located in the conversion groove. The conversion plate (45) is connected to the main shaft of the conversion motor (44). The two ends of the two conversion rollers (43) are respectively rotationally connected to the two conversion plates (45). The horizontal conveying belt (3) is sleeved on the two conveying rollers (42) and the two conversion rollers (43). The horizontal conveying belt (3) is connected to the head placement seat (5).

4. The stretcher bed that can be weighed and lifted for easy transfer according to claim 2 is characterized in that: A rotating box (52) is arranged inside the head placement seat (5), and the rotating box (52) is rotatably connected inside the head placement seat (5). A rotating motor (53) drivingly connected to the rotating box (52) is arranged on the side wall of the head placement seat (5), and the rotating motor (53) is located on the moving frame (21), and a sliding groove (24) for the rotating motor (53) to slide is arranged on the moving frame (21).

5. The stretcher bed that can be weighed and lifted for easy transfer according to claim 4 is characterized in that: The head height adjustment assembly (6) comprises a lifting plate (61), a lifting motor (62), a cross plate (63), a first adjustment plate (64), a second adjustment plate (65) and four limit rods (66); the cross plate (63) is horizontally arranged in a rotating box (52); the lifting motor (62) is located on the cross plate (63); the first adjustment plate (64) is connected to the main shaft of the lifting motor (62); the four limit rods (66) are respectively arranged at the four corners of the lifting plate (61); the limit rods (66) are hinged to the lifting plate (61); a limit seat slidably matched with the limit rods (66) is provided in the rotating box (52); and the two ends of the second adjustment plate (65) are respectively hinged to the bottom of the first adjustment plate (64) and the lifting plate (61).

6. The stretcher bed that can be weighed and lifted for easy transfer according to claim 5 is characterized in that: The head angle adjustment assembly (7) comprises a mounting seat (71), an adjustment motor (72), an adjustment block (73), an adjustment base (74), an adjustment screw (75) and two rotating plates (76); the mounting seat (71) is connected to the top of the lifting plate (61); the adjustment base (74) is arranged in the mounting seat (71); the adjustment screw (75) is rotatably connected to the adjustment base (74); the adjustment motor (72) is located on the adjustment base (74) and the adjustment motor (72) is transmission-connected to the adjustment screw (75); the adjustment base ( The adjusting block (73) is slidably matched with the two sliding rods (78), the adjusting block (73) is threadedly connected with the adjusting screw (75), the mounting seat (71) is provided with a head and neck cushion (77), the head and neck cushion (77) is hinged to the mounting seat (71), one end of the two rotating plates (76) is rotatably connected to the two sides of the adjusting block (73), and the other end of the two rotating plates (76) is hinged to the bottom of the head and neck cushion (77).

7. The stretcher bed that can be weighed and lifted for easy transfer according to claim 6 is characterized in that: The head limiting assembly (8) comprises a movable cushion (81), a movable motor (82), a movable gear (83) and a movable toothed plate frame (80); a movable groove is provided at one end of the top of the mounting seat (71); the movable motor (82) is located in the mounting seat (71); the movable gear (83) is connected to the main shaft of the movable motor (82); the movable toothed plate frame (80) is vertically arranged at the bottom of the movable cushion (81); the movable gear (83) is meshed with the movable toothed plate frame (80); and the movable cushion (81) is slidably connected in the movable groove.

8. The stretcher bed that can be weighed and lifted for easy transfer according to claim 7 is characterized in that: The head limiting assembly (8) also includes a fixed plate (84), an upper locking electric cylinder (85) and a lower locking electric cylinder (86); the fixed plate (84) is located in the mounting seat (71) and is located beside the movable groove; the upper locking electric cylinder (85) and the lower locking electric cylinder (86) are respectively provided with an upper locking rod (87) and a lower locking rod (88); the upper locking electric cylinder (85) and the lower locking electric cylinder (86) are symmetrically arranged on the fixed plate (84); and the movable tooth plate frame (80) is provided with a plug-in hole (89) plugged with the upper locking rod (87) or the lower locking rod (88).

9. The stretcher bed that can be weighed and lifted for easy transfer according to claim 1 is characterized in that: A body weight sensor is provided on the horizontal conveyor belt (3).

10. The stretcher bed that can be weighed and lifted for easy transfer according to claim 1, characterized in that: The bed base (11) is provided with two symmetrically arranged lifting electric cylinders (13), the bed board (12) is connected to the telescopic ends of the two lifting electric cylinders (13), and the outer sides of the lifting electric cylinders (13) are provided with corrugated protective sleeves (14).

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