CN113440340B

CN113440340B - Patient transfer device for emergency department

Info

Publication number: CN113440340B
Application number: CN202110892603.7A
Authority: CN
Inventors: 刘秉祺; 杨亚委
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-12-30
Anticipated expiration: 2041-08-04
Also published as: CN113440340A

Abstract

The invention discloses a patient transfer device for an emergency department, which comprises four liftable supporting legs, wherein a supporting plate is fixedly arranged above the supporting legs, and universal wheels are arranged below the supporting legs; a side vertical plate is formed on one side of the supporting plate in the width direction, three driving lead screws which are rotatably connected with the side vertical plate are arranged along the length direction of the side vertical plate, and the length direction of the driving lead screws extends to the position above the supporting plate along the width direction of the supporting plate; the end, located the side riser, of the driving screw is connected with a driving shaft, a plurality of positioning holes are evenly formed in the end portion, close to the end portion of the driving shaft, of the driving screw along the circumferential direction, and the outer side of the side riser is fixedly connected with a fixing pipe. Has the advantages that: the transfer device of the present application is capable of transferring a patient from an intensive care or operating room or a fracture site to a patient bed. For the patient, the secondary damage caused in the transportation and transfer can be effectively avoided; for medical care personnel, the patient does not need to be lifted, the labor capacity can be reduced, and the pressure can be reduced.

Description

Patient transfer device for emergency department

Technical Field

The invention relates to the field of medical treatment, in particular to a patient transferring device for an emergency department.

Background

The emergency department is the department with the most centralized and most various severe patients and the most serious rescue and management tasks in the hospital, and the patients need to be transferred to an operating bed or a sickbed after or before the operation of the severe patients or the fracture patients. Some current transfer devices only transfer patients, when the patients move to a sickbed, a plurality of medical staff are required to lift the patients to the sickbed in a matching way, secondary damage is easily caused to the patients, and when the weight of the patients is large, the medical staff even can not lift the patients; there are also some transfer devices that can transfer the patient, but the padded plate or sheet is not easily drawn away, which is very inconvenient and a difficulty of the transfer device.

Disclosure of Invention

The present invention is directed to solving the above problems by providing an emergency department patient transfer device, as described in detail below.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a patient transfer device for an emergency department, which comprises four lifting support legs, wherein a support plate is fixedly arranged above the support legs, and universal wheels are arranged below the support legs; a side vertical plate is formed on one side of the supporting plate in the width direction, three driving lead screws which are rotatably connected with the side vertical plate are arranged along the length direction of the side vertical plate, and the length direction of the driving lead screws extends to the position above the supporting plate along the width direction of the supporting plate;

one end, located on the outer side of the side vertical plate, of the driving screw rod is connected with a driving shaft, a plurality of positioning holes are uniformly formed in the circumferential direction close to the end portion of the driving shaft, a fixed pipe is fixedly connected to the outer side of the side vertical plate, the fixed pipe is connected with a rotating pipe in a rotating fit mode, the diameter of the rotating pipe is larger than that of the fixed pipe, and the driving shaft penetrates through the rotating pipe to the outside and is connected with a driving device; each rotating pipe is provided with a belt wheel in a matching way, and one side of each belt wheel is provided with a locking assembly matched with the positioning hole; the three belt wheels are connected through a transmission belt;

three sliding plates are arranged on the supporting plate, and each sliding plate is internally provided with a threaded hole which is respectively in threaded fit connection with the three driving lead screws; when the locking assembly is matched and locked with the corresponding positioning hole, the three driving screw rods realize synchronous control; when the locking assembly is separated from the positioning hole, the three driving lead screws are respectively controlled.

As a preferred embodiment of the present application, a guide plate is disposed between two adjacent sliding plates, T-shaped guide rails are formed on two sides of the guide plate, a T-shaped sliding groove is formed on one side of each sliding plate corresponding to the T-shaped guide rail, the T-shaped guide rail is in sliding fit with the T-shaped sliding groove, and a plurality of steel balls in rolling contact with the support plate are embedded below the sliding plates.

As an important technical scheme of the scheme, a first shallow groove is formed in the upper surface of each sliding plate along the square edge, a bearing plate is further arranged above each sliding plate, a second shallow groove corresponding to the first shallow groove is formed in the lower surface of each bearing plate along the square edge, and an air bag capable of lifting the bearing plate is arranged between the first shallow groove and the second shallow groove;

each bearing plate is provided with a plurality of parallel strip holes, the length direction of each strip hole is consistent with that of the corresponding supporting roller, each strip hole corresponds to one supporting roller, and the two ends of each supporting roller are connected with the sliding plate through the corresponding support.

Further, when the air bag is full of air, the upper end of the supporting roller is 3-5mm lower than the upper surface of the bearing plate; when the air bag exhausts, the upper end of the supporting roller is 3-5mm higher than the upper surface of the bearing plate.

Further, the edge of the bearing plate is longer than the edge of the sliding plate by 1cm.

As an embodiment of the present disclosure, the bearing lengths of the three bearing plates are different, wherein the first bearing plate is used for supporting the head, the second bearing plate is used for supporting the waist, and the third bearing plate is used for supporting the leg;

the length of the first bearing plate along the direction of the supporting plate is smaller than that of the third bearing plate, and the length of the third bearing plate is smaller than that of the second bearing plate.

As another embodiment of the present disclosure, the bearing lengths of the three bearing plates are different, wherein the first bearing plate is used for supporting the head, the second bearing plate is used for supporting the waist, and the third bearing plate is used for supporting the leg;

the length of the first bearing plate along the direction of the supporting plate is smaller than that of the second bearing plate, and the length of the second bearing plate is smaller than that of the third bearing plate.

Furthermore, the bottom of the supporting plate is provided with an air supply and exhaust assembly connected with the air bag;

the air supply and exhaust assembly comprises an air injection pump, an air outlet end of the air injection pump is connected with an air injection pipe, the outer side of the air injection pipe is communicated with three bronchus, and the three bronchus are connected with the air bag through telescopic hoses and used for controlling the air inflation into the air bag; the gas injection pipe tip is connected with discharge valve for the control is discharged the inside gas of gasbag, backup pad bed board bottom surface is provided with and is used for right the battery of gas injection pump power supply.

Preferably, a layer of medical soft cushion is laid on the surface of the bearing plate.

Preferably, the outer wall of the rotating pipe is provided with a guide hole in a penetrating manner, and the guide hole corresponds to the positioning hole;

the locking assembly comprises a sliding rod, the sliding rod is slidably mounted inside the guide hole, the inner end of the sliding rod extends into the rotating pipe and is connected with the inserting column, the outer end of the sliding rod is connected with a pulling plate, the sliding rod is located between the pulling plate and the rotating pipe, the outer side of the rotating pipe is sleeved with a tension spring, two ends of the tension spring are respectively connected with the pulling plate and the rotating pipe, and the tension spring is used for pulling the pulling plate to drive the sliding rod to drive the inserting column to be inserted into the positioning hole.

Adopt above-mentioned transfer device, when shifting severe patients or fracture patient, supply the exhaust subassembly to be the gasbag air feed, make gasbag jack-up carrier plate be higher than the backing roll to can guarantee that patient's back is the ventilative state of part fretwork. Then, the transfer device is pushed to be close to a sickbed, the supporting legs are lifted to the position where the supporting plates are flush with the sickbed, the driving device works to drive the driving shafts to drive the driving screw rods to rotate, so that the sliding plates, the air bags and the bearing plates all move towards the sickbed, a patient is transferred to the upper portion of the sickbed, at the moment, the three locking assemblies are all matched with the positioning holes in the corresponding driving shafts, namely the three driving shafts synchronously run, and the three sliding plates move the patient to the sickbed as a whole.

Then, the sliding plate, the carrying plate and the airbag are required to be withdrawn from the lower part of the patient's body, and at this time, the three locking assemblies are separated from the driving shafts, respectively, that is, the three driving devices can drive the driving shafts correspondingly connected, respectively, so that the sliding plate can be withdrawn respectively. When taking sliding plate, backup pad and gasbag out, at first, through supplying the gas in the exhaust subassembly exhaust gasbag, make the loading board height reduce to the upper surface that highly is higher than the loading board of backing roll, then can take out three groups of sliding plates, loading boards respectively.

When the transfer device is applied, the transfer device has strong flexibility, and after a patient is transferred to a sickbed, the sliding plate and the bearing plate can be selectively and respectively drawn out according to the state of an illness of the patient.

The beneficial effects are that: the transfer device of the present application is capable of transferring a patient from an intensive care or operating room or a fracture site to a patient bed. For the patient, the secondary damage caused in the carrying and transferring can be effectively avoided; for medical care personnel, the patient does not need to be lifted, the labor capacity can be reduced, and the pressure can be reduced.

Regarding the technical scheme of this application:

1. through the matching structure of the locking assembly and the positioning hole, the rotating pipe and the driving shaft synchronously rotate, and the matching transmission mechanism can realize that three groups of sliding plates and the bearing plate are used as a whole to synchronously transfer the patient to the upper part of the sickbed; through the separation of locking Assembly and locating hole, three drive arrangement drives the drive shaft respectively, realizes controlling respectively of backup pad, loading board, can take out respectively according to patient's state of an illness selectivity, and the flexibility ratio is high.

2. This application passes through the cooperation structure of gasbag and sliding plate, loading board, can realize controlling the height of loading board to the adjustment is to patient's support, and the surface when the loading board is higher than the backing roll, then can be stable support patient, is convenient for shift the transport, is less than the backing roll when the surface of loading board, then backing roll and patient back rolling friction are convenient for take the loading board out. Often take first loading board out is the hardest, in this application, has other two effects that play the support when taking first loading board out in addition, again because the loading board highly descends, therefore the supporting roller with patient's back light contact alright take out. In this scheme the gasbag is arranged along the border of backup pad, loading board, has stable support to the loading board.

3. The three sliding plates and the bearing plate are correspondingly arranged to be different in length, so that the sliding plates for supporting the legs are longer for different patients, such as leg fractures; when the hip is fractured, the sliding plate for supporting the waist is longer, and the transfer device with different models can be made for different customers, so that the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of the locking assembly;

FIG. 5 is a top view of the present invention;

FIG. 6 is a schematic view of the guide structure of the slide plate of the present invention;

FIG. 7 is a schematic structural view of the air supply and exhaust assembly of the present invention;

FIG. 8 is a schematic view of the leg construction of the present invention;

FIG. 9 is a view showing the connection structure of the carrying plate and the air bag according to the present invention;

figure 10 is a view of the connection of the carrier plate to the medical cushion of the present invention.

The reference numerals are illustrated below:

1. a support plate; 101. a guide plate; 102. a T-shaped guide rail; 103. a support leg; 103a, an upper leg; 103b, an electric telescopic rod; 103c, lower support legs; 104. a universal wheel; 2. a side vertical plate; 3. rotating the tube; 301. fixing the tube; 302. a guide hole; 4. a locking assembly; 401. a tension spring; 402. pulling a plate; 403. a slide bar; 5. a transmission mechanism; 501. a transmission belt; 502. a pulley; 6. a drive shaft; 601. shaking the hand; 602. positioning holes; 7. a supply and exhaust assembly; 701. an air injection pump; 702. a gas injection pipe; 703. an exhaust valve; 704. a bronchus; 8. a carrier plate; 801. a strip hole; 9. a support roll; 10. an air bag; 11. a sliding plate; 1101. a threaded hole; 1102. a steel ball; 1103. a chute; 12. driving a lead screw; 13. inserting a column; 14. a medical soft cushion; 15. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 10, the invention provides a patient transfer device for an emergency department, which comprises four liftable supporting legs 103, wherein each supporting leg 103 comprises an upper supporting leg 103a and a lower supporting leg 103c, an electric telescopic rod 103b is arranged between the upper supporting leg 103a and the lower supporting leg 103c, the telescopic part of the electric telescopic rod 103b is connected with the lower part of the upper supporting leg 103a, the main body of the electric telescopic rod 103b is connected with the lower supporting leg 103c, the electric telescopic rod 103b is electrically connected with a storage battery, and the four electric telescopic rods 103b are synchronously controlled, so that the synchronous and stable lifting of the four supporting legs 103 can be realized.

A support plate 1 is fixedly arranged above the supporting leg 103, universal wheels 104 are arranged below the supporting leg, and handles 15 are arranged at two ends of the support plate 1 and can be used as a stretcher; a side vertical plate 2 is formed on one side of the supporting plate 1 in the width direction, three driving screw rods 12 which are rotatably connected with the side vertical plate 2 are arranged in the length direction of the side vertical plate 2, and the length direction of the driving screw rods 12 extends to the position above the supporting plate 1 in the width direction of the supporting plate 1. The end, located on the outer side of the side vertical plate 2, of the driving screw 12 is connected with a driving shaft 6, a plurality of positioning holes 602 are uniformly formed in the end portion, close to the driving shaft 6, of the side vertical plate 2 in the circumferential direction, the fixing tube 301 is fixedly connected to the outer side of the side vertical plate 2, the fixing tube 301 is connected with the rotating tube 3 in a rotating fit mode, the diameter of the rotating tube 3 is larger than that of the fixing tube 301, the rotating tube 3 is sleeved on the outer side of the fixing tube 301, and optionally, the rotating tube 3 is connected with the fixing tube 301 through a bearing. The driving shaft 6 penetrates through the rotating pipe 3 to be connected with a driving device to the outside, and the driving device is a handle 601 or a driving motor and can drive the driving shaft 6 to work; each rotating pipe 3 is provided with a belt wheel 502 in a matching way, and one side of each belt wheel 502 is provided with a locking component 4 matched with the positioning hole 602; the three belt wheels 502 are connected through a transmission belt 501; through the structure, the three groups of sliding plates 11 and the bearing plate 8 can slide simultaneously or respectively, and convenience is brought to the transfer of patients. The transmission belt 501 and the three sets of pulleys 502 constitute the transmission mechanism 5.

Three sliding plates 11 are arranged on the supporting plate 1, and a threaded hole 1101 is formed in each sliding plate 11 and is respectively in threaded fit connection with three driving lead screws 12; when the locking assembly 4 is matched and locked with the corresponding positioning hole 602, the three driving lead screws 12 realize synchronous control; when the locking assembly 4 is separated from the positioning hole 602, the three driving screws 12 are controlled separately.

Preferably, a guide hole 302 is formed through the outer wall of the rotating tube 3, and the guide hole 302 corresponds to the positioning hole 602; locking Assembly 4 includes slide bar 403, slide bar 403 slidable mounting is in inside the guiding hole 302, slide bar 403 inner stretches into inside the rotatory pipe 3 and with insert post 13 and be connected, slide bar 403 outer end is connected with arm-tie 402, slide bar 403 is located arm-tie 402 with outside cover between the rotatory pipe 3 is equipped with extension spring 401, extension spring 401's both ends respectively with arm-tie 402 with rotatory pipe 3 is connected, is used for the pulling the arm-tie 402 makes slide bar 403 drives insert post 13 and insert inside the locating hole 602. When the three-group sliding plate is used, the sliding rods 403 can be separated from the positioning holes 602 by pulling the pulling plate 402, and whether the three groups of sliding plates 11 synchronously move or not can be realized by arranging the locking assembly 4, so that the use is convenient.

In a preferred embodiment of the present invention, a guide plate 101 is disposed between two adjacent sliding plates 11, T-shaped guide rails 102 are formed on both sides of the guide plate 101, a T-shaped sliding groove 1103 is formed on one side of each sliding plate 11 corresponding to the T-shaped guide rail 102, the T-shaped guide rail 102 is slidably engaged with the T-shaped sliding groove 1103, and a plurality of steel balls 1102 in rolling contact with the support plate 1 are embedded below the sliding plates 11. The structure that the T-shaped guide rail 102 is in sliding fit with the T-shaped sliding groove 1103 can ensure the stability of the movement of the sliding plate 11 and ensure that the patient can be transferred more stably, and the steel ball 1102 is arranged below the sliding plate 11, so that when the sliding plate 11 slides, due to the weight of the patient, pressure is applied to the sliding plate 11, and the steel ball 1102 can support the sliding plate 11 and keep the sliding plate 11 to slide stably along the T-shaped guide rail 102. When the sliding plates 11 and the bearing plate 8 are withdrawn, because the three sliding plates 11 are all located above the hospital bed, although the supporting plate 1 is flush with the hospital bed, the sliding plates 11 are bent slightly by inevitable patients, but the deformation is certainly not very large, and when the sliding plates 11 and the bearing plate 8 are withdrawn, the steel balls 1102 can also be supported on the hospital bed, so that rolling friction is generated between the steel balls and the hospital bed, the deformation of the sliding plates 11 is reduced, and the withdrawing of the sliding plates 11 is facilitated.

As an important technical scheme of the scheme, a first shallow groove is formed in the upper surface of each sliding plate 11 along the square edge, a bearing plate 8 is further arranged above each sliding plate 11, and a layer of medical soft cushion 14 is laid on the surface of each bearing plate 8. A second shallow groove corresponding to the first shallow groove is formed in the lower surface of the bearing plate 8 along the square edge, and an air bag 10 capable of lifting the bearing plate 8 is arranged between the first shallow groove and the second shallow groove; the first shallow groove and the second shallow groove are designed, firstly, the air bag 10 is fixedly arranged between the two shallow grooves, the stability of the air bag 10 is better, secondly, the two shallow grooves reduce the height of the bearing plate 8 for supporting a patient, when the bearing plate is pulled, the distance between the back of the patient and a sickbed is closer, and the safety is better; furthermore, the first shallow groove and the second shallow groove are respectively formed along the edges of the sliding plate 11 and the bearing plate 8, so that the bearing plate 8 can be stably supported. The bottom of the supporting plate 1 is provided with an air supply and exhaust assembly 7 connected with an air bag 10; the air supply and exhaust assembly 7 comprises an air injection pump 701, an air outlet end of the air injection pump 701 is connected with an air injection pipe 702, the outer side of the air injection pipe 702 is communicated with three branch air pipes 704, and the three branch air pipes 704 are connected with the air bag 10 through telescopic hoses and used for controlling the air inflation of the interior of the air bag 10; the end of the gas injection pipe 702 is connected with an exhaust valve 703 for controlling the exhaust of the gas in the air bag 10, and the bottom surface of the bed plate of the support plate 1 is provided with a storage battery for supplying power to the gas injection pump 701. The gas injection and exhaust of the balloon 10 can be achieved through the gas injection tube 702 and the exhaust valve 703.

Every seted up a plurality of parallel rectangular holes 801 on the loading board 8, the length direction in rectangular holes 801 is unanimous with the length direction of backup pad 1, and every rectangular hole 801 corresponds a backing roll 9, the both ends of backing roll 9 pass through the support with the sliding plate 11 is connected, and the both ends and the support of backing roll 9 rotate and are connected, and when backing roll 9 was hidden in rectangular hole 801, rectangular hole 801 played ventilative effect, and when backing roll 9 was higher than loading board 8, backing roll 9 and patient's back rolling contact were convenient for take loading board 8 out. Further, when the air bag 10 is filled with air, the upper end of the supporting roller 9 is 3-5mm lower than the upper surface of the bearing plate 8; when the air bag 10 exhausts, the upper end of the supporting roller 9 is 3-5mm higher than the upper surface of the bearing plate 8. The edge of the bearing plate 8 is longer than the edge of the sliding plate 11 by 1cm, so that the supporting area can be increased when the air bag 10 is inflated and expanded, and the stability is improved.

Adopt above-mentioned transfer device, when shifting severe patient or fracture patient, supply exhaust subassembly 7 to be gasbag 10 air feed, make gasbag 10 jack-up loading board 8 be higher than backing roll 9 to can guarantee that patient's back is the ventilative state of part fretwork. Then, the transfer device is pushed to be close to a sickbed, the supporting legs 103 are lifted to the position where the supporting plate 1 is flush with the sickbed, the driving device works to drive the driving shaft 6 to drive the driving screw rod 12 to rotate, so that the sliding plates 11, the air bags 10 and the bearing plate 8 all move towards the sickbed, a patient is transferred to the upper portion of the sickbed, at the moment, the three locking assemblies 4 are all matched with the positioning holes 602 on the corresponding driving shaft 6, namely, the three driving shafts 6 synchronously run, and the three sliding plates 11 move the patient to the sickbed as a whole.

Thereafter, the sliding plate 11, the carrier plate 8 and the airbag 10 are withdrawn from under the patient's body, and the three locking assemblies 4 are separated from the driving shafts 6, respectively, i.e. the three driving means can drive the driving shafts 6 correspondingly connected, respectively, so that the sliding plate 11 can be withdrawn, respectively. When the sliding plates 11, the support plate 1, and the airbag 10 are extracted, first, the carrier plate 8 is lowered in height by exhausting the gas in the airbag 10 through the gas supply and exhaust unit 7 so that the support rollers 9 are higher than the upper surface of the carrier plate 8, and then the three sets of sliding plates 11 and the carrier plate 8 can be extracted, respectively. When the transfer device is used, the transfer device has strong flexibility, and after a patient is transferred onto a sickbed, the sliding plate 11 and the bearing plate 8 can be selectively and respectively pulled out according to the state of illness of the patient.

As an embodiment of the present disclosure, the bearing lengths of the three bearing plates 8 are different, wherein the first bearing plate is used for supporting the head, the second bearing plate is used for supporting the waist, and the third bearing plate is used for supporting the leg; the length of the first bearing plate along the direction of the supporting plate 1 is smaller than the length of the third bearing plate by 5cm, and the length of the third bearing plate is smaller than the length of the second bearing plate by 5cm.

For example, this embodiment is suitable for patients with a metastatic hip fracture or strain, and the patient is first transferred to the patient bed as a whole, and then the three locking assemblies 4 are separated from the positioning holes 602 on the corresponding driving shafts 6, so that the sliding plates 11 are controlled separately. The second loading board that supports the hip is taken out earlier, gasbag 10 of control second loading board below exhausts, when taking out, because the second loading board is longer, it is great to support the width, medical personnel lift patient's waist a little, make backing roll 9 slightly contact patient's waist can, protect patient's hip, then sliding plate 11 pumpback, along with the pumpback, patient's waist at first falls, at this moment, the area of contact of waist and hip and sick bed is great, medical personnel lift head and shank respectively lightly and make first loading board and second loading board take out can, it takes out respectively to cut apart into a plurality of supporters with the monoblock supporter, effectual transfer to patient, and avoid patient to receive secondary injury.

As another embodiment of the present disclosure, the bearing lengths of the three bearing plates 8 are different, wherein the first bearing plate is used for supporting the head, the second bearing plate is used for supporting the waist, and the third bearing plate is used for supporting the leg; the length of the first bearing plate along the direction of the supporting plate 1 is smaller than the length of the second bearing plate by 5cm, and the length of the second bearing plate is smaller than the length of the third bearing plate by 5cm.

For example, this embodiment is used for transferring a patient with a fractured leg, and when transferring, the patient is first transferred to the patient bed as a whole, and then the three locking assemblies 4 are separated from the positioning holes 602 of the corresponding driving shafts 6, thereby achieving the respective control of the sliding plates 11. When taking out bearing board 8, still take out the second bearing board earlier, take out the back, the sick bed is hugged closely to the waist, and medical personnel lift the head a little, take out first bearing board, and the third bearing board length of supporting the shank is great, can have a stable support to the shank, and after patient's head and waist were stable, medical personnel lifted the shank slightly alright take out the third bearing board.

Above-mentioned technical scheme can be with patient stable transfer to the sick bed on, take loading board 8 out respectively, reduce medical personnel's the amount of labour to can avoid the patient to carry in prior art and shift patient and cause the secondary damage to it.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An emergency department patient transfer device, characterized by: the lifting type universal wheel comprises four lifting support legs, wherein a support plate is fixedly arranged above the support legs, and universal wheels are arranged below the support legs; a side vertical plate is formed on one side of the supporting plate in the width direction, three driving screw rods which are rotationally connected with the side vertical plate are arranged in the length direction of the side vertical plate, and the length direction of the driving screw rods extends to the position above the supporting plate in the width direction of the supporting plate;

2. The emergency department patient transfer device of claim 1, wherein: a guide plate is arranged between every two adjacent sliding plates, T-shaped guide rails are formed on two sides of each guide plate, T-shaped sliding grooves are formed in one sides, corresponding to the T-shaped guide rails, of the sliding plates, the T-shaped guide rails are in sliding fit with the T-shaped sliding grooves, and a plurality of steel balls in rolling contact with the supporting plates are embedded into the lower portions of the sliding plates.

3. The emergency department patient transfer device of claim 2, wherein: the upper surface of each sliding plate is provided with a first shallow groove along the square edge, a bearing plate is arranged above the sliding plate, the lower surface of the bearing plate is provided with a second shallow groove corresponding to the first shallow groove along the square edge, and an air bag capable of lifting the bearing plate is arranged between the first shallow groove and the second shallow groove;

each bearing plate is provided with a plurality of parallel long holes, the length direction of each long hole is consistent with that of the corresponding supporting plate, each long hole corresponds to one supporting roller, and two ends of each supporting roller are connected with the sliding plate through a support.

4. The emergency department patient transfer device of claim 3, wherein: when the air bag is full of air, the upper end of the supporting roller is 3-5mm lower than the upper surface of the bearing plate; when the air bag exhausts, the upper end of the supporting roller is 3-5mm higher than the upper surface of the bearing plate.

5. The emergency department patient transfer device of claim 3 or 4, wherein: the edge of the bearing plate is longer than the edge of the sliding plate by 1cm.

6. The emergency department patient transfer device of claim 5, wherein: the bearing lengths of the three bearing plates are different, wherein the first bearing plate is used for supporting the head part, the second bearing plate is used for supporting the waist part, and the third bearing plate is used for supporting the leg part;

7. The emergency department patient transfer device of claim 5, wherein: the bearing lengths of the three bearing plates are different, wherein the first bearing plate is used for supporting the head part, the second bearing plate is used for supporting the waist part, and the third bearing plate is used for supporting the leg part;

8. The emergency department patient transfer device of claim 4, wherein: the bottom of the supporting plate is provided with an air supply and exhaust assembly connected with the air bag;

9. The emergency department patient transfer device of claim 4, wherein: a layer of medical soft cushion is laid on the surface of the bearing plate.

10. The emergency department patient transfer device of claim 1, wherein: the outer wall of the rotating pipe is provided with a guide hole in a penetrating way, and the guide hole corresponds to the positioning hole;

the locking assembly comprises a sliding rod, the sliding rod is slidably mounted inside the guide hole, the inner end of the sliding rod extends into the rotating pipe and is connected with the inserting column, the outer end of the sliding rod is connected with a pull plate, the sliding rod is located on the pull plate, a tension spring is sleeved on the outer side between the pull plate and the rotating pipe, and the two ends of the tension spring are respectively connected with the pull plate and the rotating pipe and used for pulling the pull plate to enable the sliding rod to drive the inserting column to be inserted into the positioning hole.