CN108743062B

CN108743062B - Medical transfer bed

Info

Publication number: CN108743062B
Application number: CN201810717753.2A
Authority: CN
Inventors: 邵立伟; 李巍春; 冬雷; 郑浩枫
Original assignee: Zhongshan Research Institute Beijing Institute Of Technology
Current assignee: Zhongshan Research Institute Beijing Institute Of Technology
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2024-08-30
Anticipated expiration: 2038-07-03
Also published as: CN108743062A

Abstract

The invention provides a medical transfer bed which is characterized by comprising a bed body and a conveying mechanism, wherein the conveying mechanism comprises a conveying belt, a rotating member and a shield; the conveying belt is wound on the bed body, the protective cover is installed on the bed body, the rotating member is installed on the bed body and arranged in the protective cover, and the rotating member drives the conveying belt to rotate so as to convey a patient to the bed body. The conveying mechanism applied to the medical transfer bed has simple and convenient structure, saves labor when transferring patients, and reduces the probability of secondary injury to the patients.

Description

Medical transfer bed

Technical Field

The invention relates to auxiliary medical equipment, in particular to a medical transfer bed.

Background

In hospitals, patients need to be moved during surgery, patient treatment or various reasons due to patient discomfort, but in the process of moving the patients, the patients can be damaged more during the process of transferring the patients from one bed to another, which is unfavorable for the recovery condition of the patients.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a medical transport bed.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the medical transfer bed comprises a bed body and a conveying mechanism, wherein the conveying mechanism comprises a conveying belt, a rotating member and a shield; the conveying belt is wound on the bed body, the protective cover is installed on the bed body, the rotating member is installed on the bed body and arranged in the protective cover, and the rotating member drives the conveying belt to rotate so as to convey a patient to the bed body.

In at least one embodiment, the conveyor belt may further comprise a securing means for hooking the patient mattress and pulling the patient and mattress together onto the bed.

In at least one mode, the bed body comprises a guardrail arranged at the edge of the bed body, and the conveying mechanism further comprises a limit switch, wherein the limit switch is fixed on the bed body and prevents the guardrail from moving due to external force.

In at least one embodiment, the rotating member is provided on one side of the bed.

In at least one mode, the rotating member comprises a reference rod, a bearing seat and a roller, the roller is installed on the reference rod, the bearing seat is installed at two ends of the reference rod, the reference rod drives to rotate through the bearing seat, the reference rod drives the roller to rotate, and the conveying belt wraps the roller and is driven to rotate by the roller.

In at least one mode, the rotating member further comprises a sliding rod, the sliding rod is arranged on the guardrail and is in contact with the conveying belt, so that the conveying belt can avoid friction with the guardrail, and the conveying belt drives the sliding rod to rotate.

In at least one mode, the conveying mechanism further comprises a synchronous belt wheel, the synchronous belt wheel is arranged on the other side of the bed body and is opposite to the rotating member, and the conveying belt wraps the synchronous belt wheel and drives the synchronous belt wheel to rotate.

In at least one mode, the conveyor belt is wound on the bed body along the width direction of the bed body and is driven by the rotating member to rotate along the width direction of the bed body.

In at least one aspect, the transfer mechanism further comprises a safety belt and a safety belt securing member, the safety belt securing member being mounted on the bed, the safety belt engaging the safety belt securing member to prevent movement of the patient during transfer.

In at least one embodiment, the conveyor mechanism includes a conveyor belt protection cover mounted on a lower portion of the floor of the bed, the conveyor belt protection cover for protecting the conveyor belt.

The medical transfer bed has a simple structure, can be used in various modes, and reduces the damage to patients in the process of conveying the patients.

Drawings

Fig. 1 is a schematic perspective view of a medical transport bed according to an embodiment of the present invention.

Fig. 2 is a perspective view of the medical transfer bed of fig. 1 from another perspective.

Fig. 3 is a perspective view of the medical transfer bed shown in fig. 1 after being disassembled.

Fig. 4 is an exploded perspective view of the transfer mechanism and the bed body of the medical transfer bed shown in fig. 1.

Fig. 5 is an exploded perspective view of a part of the structure of the lifting mechanism of the medical transfer bed shown in fig. 1.

Fig. 6 is an exploded perspective view of the drive mechanism of the medical transfer bed of fig. 1.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1,2 and 3, the medical transfer bed 100 provided by the embodiment of the invention comprises a conveying mechanism 10, a lifting mechanism 20, a driving mechanism 30, a bed body 40 and a control system (not labeled in the drawings), wherein the driving mechanism 30 is connected with the lifting mechanism 20, the lifting mechanism 20 is connected with the bed body 40, the conveying mechanism 10 is installed on the bed body 40, and the control system is installed in the conveying mechanism 10 or other mechanisms. The positional relationship among the respective mechanisms and their roles are specifically described below.

The conveying mechanism 10 is installed on the bed body 40, the upper end of the lifting mechanism 20 is installed on one long side of the bed body 40, and the lifting mechanism 20 is arranged approximately perpendicular to the bed body 40. The lower end of the lifting mechanism 20 is installed at one side of the driving mechanism 30, the lifting mechanism 20 and the driving mechanism 30 are arranged approximately vertically, and the bed body 40 and the driving mechanism 30 are respectively arranged at two ends of the lifting mechanism 20 and are arranged in parallel, so that the bed body 40, the lifting mechanism 20 and the driving mechanism 30 enable the medical transfer bed 100 to be of a U-shaped structure as a whole.

The driving mechanism 30 is used for moving the medical transfer bed 100 to different positions, the lifting mechanism 20 is used for adjusting the height of the medical transfer bed 100, the bed body 40 is used for carrying a patient, and the conveying mechanism 10 is used for transferring the patient from a sickbed to the medical transfer bed 100; the driving mechanism 30, the lifting mechanism 20, and the conveying mechanism 10 are controlled by a control system. The control system may be a PLC programming module or may be installed in the transport mechanism 10 or other mechanism of the medical transport bed 100 in other software modules.

As shown in fig. 4, the bed 40 includes a bottom plate 41, a first rail 42, a second rail 43, and a third rail 44. The first guard rail 42, the second guard rail 43 and the third guard rail 44 are substantially vertically installed on the bottom plate 41, the first guard rail 42 and the second guard rail 43 are substantially vertically arranged, the third guard rail 44 and the second guard rail 43 are substantially vertically arranged, the first guard rail 42 is parallel to the third guard rail 44, in this embodiment, the bed body 40 includes two long sides (not shown) along the length direction and two short sides (not shown) along the width direction, wherein the second guard rail 43 is arranged on one long side of the bed body 40, and the first guard rail 42 and the third guard rail 44 are respectively arranged on two short sides of the bed body 40 along the length direction of the bed body 40. The second guard rail 43 has upper and lower rows of parallel holes, wherein the lower drain is closer to the bottom plate 41, and the guard rail structure in this or other embodiments may be replaced with other structures.

In the present embodiment, the transmission mechanism 10 includes a seat belt 12, a seat belt fixing member 13, a limit switch 14, a belt 15, a timing pulley 16, a rotating member 17, a belt protection cover 18, and a first shield 19. The conveyor belt 15 is provided with a fixing member, in this embodiment, the fixing member is a hook 151, the hook 151 is used to pass through a nose provided at the edge of the mattress of the patient, so that the conveying mechanism 10 is convenient for dragging the patient and the mattress together onto the bed body 40, and in other embodiments, the fixing member can be in other forms.

In this embodiment, two safety belts 12 are connected, two ends of the safety belts 12 are installed in a safety belt fixing member 13, the safety belts 12 fix a moving patient, the patient is prevented from moving due to external force, one end of the safety belt fixing member 13 is installed on a bottom plate 41 of the bed body 40, the other end of the safety belt fixing member is installed on a second guardrail 43 of the bed body 40, the safety belt fixing member 13 is used for fixing the safety belts 12, the safety belt fixing member 13 has two states of opening or locking, the safety belt fixing member 13 is a plug buckle in this embodiment, and other fixing members can be replaced in other embodiments. Limit switches 14 are respectively installed on the first rail 42 and the third rail 44 of the bed body 40 to prevent the first rail 42 and the third rail 44 from moving positions due to external force. As shown in fig. 1 and 2, the conveyor belt 15 is wound around the bed 40, and in this embodiment, the conveyor belt 15 is sleeved on the bed 40 along the width direction of the bed 40 and is driven by the rotating member 17 to rotate along the width direction of the bed 40. The conveyor belt 15 passes through the upper row holes and the lower row holes formed on the second guard rail 43, and on the side without guard rail, the synchronous pulley 16 is installed on the bed body 40, the conveyor belt 15 wraps the synchronous pulley 16 and drives the synchronous pulley 16 to rotate together, and in other embodiments, the synchronous pulley 16 can be replaced by other components capable of rotating together with the conveyor belt 15.

The rotating member 17 is disposed at one side of the bed body 40, and the rotating member 17 includes a bearing housing 171, a reference lever 172, a slide bar 173, and a drum 174. The reference rod 172 is arranged side by side with the second guardrail 43, the reference rod 172 is placed outside the second guardrail 43, the roller 174 is mounted on the reference rod 172, the conveyor belt 15 is wrapped by the roller 174, the bearing blocks 171 are mounted at two ends of the reference rod 172, the reference rod 172 is used for supporting the bearing blocks 171 and the roller 174, the sliding rod 173 is fixed on the second guardrail 43, the sliding rod 173 enables the conveyor belt 15 to avoid friction with the lower row holes on the second guardrail 43 in the rotating process, and the sliding rod 173 is placed in the middle position of the lower row holes of the second guardrail 43 or in the position of being deviated upwards or downwards in the middle of the lower row holes, so that the conveyor belt 15 can rotate at a certain height. The conveying mechanism 10 is started, the bearing seat 171 rotates and then drives the reference rod 172 to rotate, the reference rod 172 drives the roller 174 to rotate, the roller 174 drives the conveying belt 15 to rotate, and the synchronous pulley 16 and the sliding rod 173 rotate together with the conveying belt 15. The rotating member 17 is mounted on the bed 40. The conveyor belt protecting cover 18 is installed at the lower part of the bottom plate 41, the conveyor belt 15 is sleeved on the bed body 40 through a gap between the conveyor belt protecting cover 18 and the bottom plate 41, and the conveyor belt protecting cover 18 is used for protecting the conveyor belt 15, and in this embodiment, the number of protecting covers is three. The first cover 19 encloses the rotating member 17 inside, and the first cover 19 is mounted on the second rail 43.

As shown in fig. 3 and 5, the lifting mechanism 20 includes a second shield 23 and a lifting device 24. The second shield 23 includes a first shield frame 231, a second shield frame 232, and a third shield frame 233, the first shield frame 231 being mounted on the second shield frame 232, the second shield frame 232 being mounted on the third shield frame 233. In this embodiment, the lifting devices 24 are two groups, and the two groups of lifting devices 24 are disposed in a mirror symmetry manner, each group of lifting devices 24 includes a first lifting mechanism 21 and a second lifting mechanism 22, the first lifting mechanism 21 includes a first end and a second end, the first end of the first lifting mechanism 21 is fixed to the driving mechanism 30, the second end can lift relative to the driving mechanism 30, so that the second end of the first lifting mechanism 21 can lift relative to the first end of the first lifting mechanism 21, the second lifting mechanism 22 includes a first end and a second end, the first end of the second lifting mechanism 22 is fixed to the second end of the first lifting mechanism 21, and the second end of the second lifting mechanism 22 can lift relative to the first end of the second lifting mechanism 22, and the specific structure of the first lifting mechanism 21 and the second lifting mechanism 22 is described below.

The first lifting mechanism 21 includes a first thrust mechanism 211, a first thrust motor rod 212, a first fixing member, a first expansion plate 215, a first slide rail 216, and a first slider 217. The first fixing members in this embodiment are a first fixing plate 213 and a second fixing plate 214. The first thrust mechanism 211 includes a first thrust motor 2111, a first sleeve 2112, and a first support plate 2113. In the first thrust mechanism 211, a first thrust motor 2111 is mounted on a first support plate 2113 in parallel with a first sleeve 2112, and the first sleeve 2112 passes through the first support plate 2113. The first thrust mechanism 211 is disposed at a first end of the first lifting mechanism 21, and when the first thrust motor rod 212 is not extended, is disposed inside the first sleeve 2112, and the first thrust motor rod 212 is lifted and lowered by the first thrust mechanism 211. The top end of the first thrust motor rod 212 is connected with the first fixing plate 213 and the second fixing plate 214 and drives the first fixing plate 213 and the second fixing plate 214 to ascend and descend, and the first thrust motor rod 212 is perpendicular to the first fixing plate 213 and the second fixing plate 214. The first fixing plate 213 and the second fixing plate 214 are mounted on the first telescopic plate 215, the first telescopic plate 215 is driven to ascend and descend by the first fixing plate 213 and the second fixing plate 214, and the first fixing plate 213 and the second fixing plate 214 are perpendicular to the first telescopic plate 215. The first side 2151 of the first expansion plate 215 is provided with a first sliding rail 216, which is assembled with the first sliding block 217 fixed on the driving mechanism 30 in a concave-convex manner, and the first sliding rail 215 is lifted and lowered relative to the first sliding block 217 under the pushing of the first pushing mechanism 211.

The second lifting mechanism 22 includes a second thrust mechanism 221, a second thrust motor lever 222, a second fixing member, a third fixing member, a second expansion plate 225, a second slide rail 226, and a second slider 227. The third fixing member in this embodiment is a third fixing plate 223 and a fourth fixing plate 224, and the second fixing mechanism is a fifth fixing plate 228. The second thrust mechanism 221 includes a second thrust motor 2211, a second sleeve 2212, and a second support plate 2213. In the second elevating mechanism 22, the second thrust motor 2211 is mounted on the second support plate 2213 in parallel with the second sleeve 2212, and the second sleeve 2212 passes through the second support plate 2213. When the second thrust motor rod 222 is not extended, it is disposed inside the second sleeve 2212, and the second thrust motor rod 222 is lifted and lowered by the second thrust mechanism 221. The top end of the second thrust motor rod 222 is connected with a third fixing plate 223 and a fourth fixing plate 224, and the third fixing plate 223 and the fourth fixing plate 224 ascend and descend through the second thrust motor rod 222. The second expansion plate 225 is in a 'shape', the third fixing plate 223 and the fourth fixing plate 224 are installed at the corner of the second expansion plate 225 and are perpendicular to both surfaces at the corner of the second expansion plate 225, respectively, and the second expansion plate 225 is lifted and lowered by the third fixing plate 223 and the fourth fixing plate 224. The second slider 227 is mounted at the bottom of the second expansion plate 225, the second slide rail 226 is mounted on the second side 2152 of the first expansion plate 215, the second slider 227 and the second slide rail 226 are also in a concave-convex assembly form, and the second slider 227 is lifted and lowered relative to the second slide rail 226 under the pushing of the second thrust mechanism 221. The second thrust mechanism 221 is mounted on the fifth fixing plate 228 in a substantially vertical state.

In the connection relationship between the first lifting mechanism 21 and the second lifting mechanism 22, the fifth fixing plate 228 is vertically and fixedly connected with the first expansion plate 215, and the fifth fixing plate 228 is lifted and lowered by the first expansion plate 215. The second slider 227 is fixedly mounted on the second expansion plate 225 and cooperates with the second slide rail 226 mounted on the first expansion plate 215, whereby the first and second lifting mechanisms 21 and 22 are coupled. The lifting mechanism 20 is externally wrapped with the second protecting covers 23, the top of the second protecting covers 23 is connected with the second expansion plate 225, three protecting cover frames of the second protecting covers 23 can expand and contract to a certain extent through gaps at the edges, and the second protecting covers can ascend or descend along with the first thrust motor rod 212 and the second thrust motor rod 222, in this embodiment, the number of the second protecting covers 23 is two, and in other embodiments, the number of the second protecting covers 23 can be two or more. The second expansion plate 225 of the lifting mechanism 20 is overlapped with the second protective cover 23 and is connected with the bottom plate 41 of the bed body 40, the second expansion plate 225 and the second protective cover 23 are vertical to the bottom plate 41, the lifting mechanism 20 is arranged on one side of the bed body 40 close to the second guard rail 43, and the first thrust mechanism 211 and the second thrust mechanism 221 provide ascending and descending thrust for the bed body 40.

As shown in fig. 6, the drive mechanism 30 includes casters 31, a caster mounting plate 32, a motor 33, a bracket 34, an electric box 35, and a battery 36. Wherein, the battery 36 can be a lead-acid battery, and the bracket 34 further comprises a horizontal bracket 341, a vertical bracket 342 and a fixed baffle 343. The horizontal bracket 341 includes a first fixed bracket 3411, a second fixed bracket 3412, a third fixed bracket 3413, a third support plate 3414, and a fourth support plate 3415; the vertical bracket 342 and the horizontal bracket 341 together comprise a second fixing bracket 3412, the vertical bracket 342 further comprises a fourth fixing bracket 3421 and a fifth fixing bracket 3422, and the vertical bracket 342 is positioned on the horizontal bracket 341. Casters 31 and motors 33 are respectively mounted on two opposite sides of the caster mounting plate 32, and in this embodiment, the number of casters 31 is four. The first fixing frame 3411 is vertically connected with the second fixing frame 3412, and the third fixing frame 3413 is vertically connected with the second fixing frame 3412 and is parallel to the first fixing frame 3411; the fixed baffle 333 is installed at both ends of the first fixing frame 3411 and the third fixing frame 3413; the third support plate 3414 and the fourth support plate 3415 are mounted on the second mount 3412; the fourth and fifth holders 3421 and 3422 are mounted on the third and first holders 3413 and 3411, respectively, and are perpendicular to the third and first holders 3413 and 3411. The bracket 34 is connected to the caster mounting plate 32 by a fixing plate 343. As shown in fig. 3, the electric box 35 is mounted on the fourth support plate 3415. The battery 36 is mounted on the third support plate 3414.

The first slide 217 of the elevating mechanism 20 is fixedly mounted on the fifth mount 3422 of the driving mechanism 30. The first thrust mechanism of the elevating mechanism 20 is mounted on the horizontal bracket 341 of the driving mechanism 30 and is disposed inside the vertical bracket 342. The second cover 23 of the elevating mechanism 20 is bottom-mounted on the horizontal bracket 341 of the driving mechanism 30, and is perpendicular to the horizontal bracket 341.

In particular, during patient rotation, the medical transport bed 100 according to the embodiment of the present invention operates as follows:

First, the medical transport bed is started, and under the control of the control system, the battery 36 in the drive mechanism 30 supplies power to the electric box 35 via the electric wire, and the electric box 35 supplies power to the medical transport bed 100. After the electric box 35 supplies power to the motor 33, the castor 31 is driven by the motor 33 to move, and the castor 31 can enable the medical transfer bed 100 to move in different directions, so that the medical transfer bed 100 can be moved to the position of a patient to be transferred.

Then, the first thrust motor 2111 of the lifting mechanism 20 is turned on to power the first lifting mechanism 21, the first thrust motor rod 212 starts to rise and protrudes from the first sleeve 2112, and since the first slide 217 is fixed on the fifth fixing frame 3422 of the driving mechanism 30, the first slide 217 is fixed, and the first thrust motor rod 212 drives the first expansion plate 215 to move upwards through the first fixing plate 213 and the second fixing plate 214. The second thrust motor 2211 of the lifting mechanism 20 is started to provide power for the second lifting mechanism 22, the second thrust motor rod 222 starts to ascend and extends out of the second sleeve 2212, at the moment, the second sliding rail 226 is fixed on the first telescopic plate 215, the second sliding rail 226 is fixed, the second thrust motor rod 222 drives the second telescopic plate 225 to move upwards through the third fixing plate 223 and the fourth fixing plate 224, and meanwhile, the second telescopic plate 225 drives the shield 23 to move upwards together, so that the lifting of the lifting mechanism 20 is completed.

Finally, the lifting mechanism 20 is lifted to lift the bed board 40, and the conveying mechanism 10 and the bed board 40 are lifted together to enable the conveying mechanism 10 to reach the same height of the bed where the patient is lying and approach the bedside. After the hook 151 on the conveyor belt 15 passes through the nose hanging part arranged on the mattress of the patient, the control system starts the conveyor mechanism 10, the bearing seat 171 starts to rotate, the reference rod 172 is driven to rotate together therewith, the roller 174 on the reference rod 172 also rotates together with the reference rod 172, at this time, the conveyor mechanism 10 enables the conveyor belt 15 to convey the patient through the bearing seat 171, the reference rod 172, the sliding rod 173, the roller 174 and the synchronous pulley 16, and the patient and the mattress are conveyed to the bed body 40 together through the hook 151. After the patient is moved onto the bed 40 by the conveyor belt 15, the patient is secured against movement by the harness 12.

In other embodiments, the hooks on the conveyor belt may be omitted, and the medical transport bed 100 is moved by the driving mechanism 30 to extend the bed body 40 into the back of the patient, and then the conveyor mechanism 10 is opened to convey the patient to the appropriate position in the medical transport bed 100 because the medical transport bed 100 has a U-shaped overall structure.

In summary, the medical transfer bed provided by the embodiment of the invention has the advantages of simple structure, reduced production cost, convenient maintenance and more important convenience for the medical field.

In addition, those skilled in the art will recognize that the foregoing embodiments are merely illustrative of the present invention and are not intended to be limiting, as appropriate modifications and variations of the foregoing embodiments are within the scope of the invention as claimed.

Claims

1. A medical transfer bed, characterized in that: the medical transfer bed comprises a bed body and a conveying mechanism, wherein the conveying mechanism comprises a conveying belt, a rotating member and a shield; the conveying belt is wound on the bed body, the protective cover is arranged on the bed body, the rotating member is arranged on the bed body and is arranged in the protective cover, the rotating member drives the conveying belt to rotate so as to convey patients to the bed body, the bed body comprises a second guardrail arranged at the edge of the bed body, and the second guardrail is provided with an upper row of holes and a lower row of holes which are parallel to each other; the rotating member comprises a bearing seat, a reference rod, a sliding rod and a roller, wherein the reference rod is arranged side by side with the second guardrail, the reference rod is arranged on the outer side of the second guardrail, the roller is arranged on the reference rod, the bearing seat is arranged at two ends of the reference rod, the reference rod is used for supporting the bearing seat and the roller, the reference rod drives the roller to rotate through the bearing seat, the roller is driven by the reference rod to rotate, the roller is wrapped by the conveyor belt and is driven by the roller to rotate, the sliding rod is arranged on the second guardrail and is in contact with the conveyor belt, and the sliding rod is arranged in the middle position of the lower row hole or in the position of the middle of the lower row hole, so that friction between the conveyor belt and the guardrail is avoided, and the conveyor belt drives the sliding rod to rotate. The conveying mechanism further comprises a synchronous belt wheel, the synchronous belt wheel is installed on the bed body and is arranged opposite to the second guardrail, and the conveying belt wraps the synchronous belt wheel and drives the synchronous belt wheel to rotate.

2. The medical transfer bed of claim 1, wherein: the conveyor belt can be further provided with a fixing part, and the fixing part is used for hooking the mattress of the patient and dragging the patient and the mattress together to the bed body.

3. The medical transfer bed of claim 1, wherein: the conveying mechanism further comprises a limit switch, and the limit switch is fixed on the bed body and prevents the guardrail from moving due to external force.

4. The medical transfer bed of claim 1, wherein: the rotating member is arranged at one side of the bed body.

5. The medical transfer bed of claim 1, wherein: the conveyor belt is wound on the bed body along the width direction of the bed body and is driven by the rotating member to rotate along the width direction of the bed body.

6. The medical transfer bed of claim 1, wherein: the conveying mechanism further comprises a safety belt and a safety belt fixing member, the safety belt fixing member is arranged on the bed body, and the safety belt is matched with the safety belt fixing member to prevent a patient from moving in the conveying process.

7. The medical transfer bed of claim 1, wherein: the conveying mechanism comprises a conveying belt protective cover, the conveying belt protective cover is arranged at the lower part of the bottom plate of the bed body, and the conveying belt protective cover is used for protecting the conveying belt.