CN115300247A

CN115300247A - Limb fixing and transferring device for emergency medical science

Info

Publication number: CN115300247A
Application number: CN202211022178.7A
Authority: CN
Inventors: 常丽; 许兰; 高敏; 钱小娟; 郝玲
Original assignee: Jiangsu Vocational College of Medicine
Current assignee: Jiangsu Vocational College of Medicine
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-08

Abstract

The invention discloses a limb fixing and transferring device for emergency medical science, which comprises a base, a first long plate, a second long plate and an adjusting mechanism positioned on one side of the base, wherein the adjusting mechanism comprises a clamping component and a lifting component, the clamping component comprises a first sliding block, a base plate and a clamping plate, the base plate in the clamping component is pressed by the gravity of legs, a moving block at the lower end moves downwards along an elongated slot, racks at two sides of the moving block drive a first gear to rotate, and then the clamping plate is driven to approach to the central position of the base plate, so that legs placed on the base plate are clamped, the lifting component comprises a fixed sleeve, a telescopic sleeve, a threaded rod and a rotating rod, the rotating rod in the lifting component rotates, and the connecting component positioned in the fixed sleeve drives the threaded rod at the upper end to rotate, so that the telescopic sleeve moves upwards along the inside of the fixed sleeve, and then the second long plate at the upper end is driven to be lifted, and swelling of injured parts of affected limbs is avoided.

Description

Limb fixing and transferring device for emergency medical science

Technical Field

The invention relates to the technical field of medical instruments, in particular to a limb fixing and transferring device for emergency medical science.

Background

Emergency medicine is also called emergency medicine or emergency medical science, and is a branch of medicine for researching and treating emergency and dangerous patients and wounded personnel on-site emergency treatment, on-way monitoring and treatment, hospital internal rescue and management and organization management thereof. Also known as emergency medicine or emergency medicine. Emergency diagnosis refers to the action taken to rapidly perform examination and diagnosis for a patient; first aid is an emergency medical service provided to prevent death and subsequent disability of a patient in a critical state. Both are the core of emergency medicine. The emergency medical service system is the institution responsible for effective first aid on site, rational triage, organized patient transfer and close connection with the base medicine. Emergency medical science can be divided into two categories of trauma and non-trauma, the types of emergency include on-site first aid, transfer on-the-way monitoring and rescue and hospital first aid, wherein the on-site first aid is mostly cardiac arrest or trauma patients, organization work should be done, and first-aid staff are required to be skilled in the technology of cardiopulmonary resuscitation, hemostasis, fracture fixation and the like, which also has very strict requirements on the devices for transportation, ensures the stability of the bodies of the patients and is particularly important for avoiding causing secondary injury.

But at present to the patient that needs transported, the transfer apparatus structure of its adoption is comparatively simple, only can realize lifting of patient's health and the simple fixed effect of health, and this causes easily in the transportation, because the road conditions jolts the rocking that causes patient's health, especially to the injured patient of shank, the shank lacks specific fixing device on transfer apparatus, the secondary injury that can cause the patient is rocked to certain extent, current transfer device simultaneously, can't stably keep suffering the limb and keep raising the state.

Disclosure of Invention

The invention provides a limb fixing and transferring device for emergency medical science, which solves the problems that the leg part of a patient is lack of effective fixation and the leg angle cannot be adjusted in the existing emergency transferring process.

In order to achieve the purpose, the invention provides the following technical scheme: a limb fixing and transferring device for emergency medical treatment comprises a base, a first long plate, a second long plate and an adjusting mechanism positioned on one side of the base;

a pair of first empty grooves is symmetrically formed in the upper surface of one side of the base, the first long plate and the second long plate are located in the first empty grooves, a first hinge hole is formed in one end of each first empty groove, a first hinge rod is arranged at one end of each first long plate, the first hinge hole is connected with the first hinge rod, a second hinge rod is arranged at the other end of each first long plate, a second hinge hole is formed in one end of each second long plate, the second hinge rod is connected with the second hinge hole, the first long plate and the base rotate smoothly, and the second long plate and the first long plate rotate freely;

the adjusting mechanism comprises a clamping assembly and a lifting assembly, the clamping assembly is respectively positioned on the first long plate and the second long plate, the clamping assembly comprises a first sliding block, backing plates and clamping plates, first through grooves are respectively formed in the middle positions of the first long plate and the second long plate, the first sliding block is positioned in the first through grooves and can move smoothly in the first through grooves, the clamping plates are symmetrically positioned on two sides of the first sliding block, the backing plates are positioned between the clamping plates on the two sides, a first gear is arranged at the lower end of each clamping plate, an elongated groove is formed in the middle position of the first sliding block, the first gear is hinged with the inner wall of the elongated groove, a moving block is arranged at the lower end of each backing plate, the moving block is inserted in the middle position of the elongated groove and can move smoothly in the elongated groove in the vertical direction, racks are respectively arranged on two side walls of the moving block, the racks are respectively matched with the first gear, the moving block moves up and down, and the clamping plates at the upper ends are driven by the first gear to swing mutually to clamp plates for clamping the affected limb;

the lifting component is located the long board lower extreme of second, lifting component includes fixed sleeve, telescopic sleeve, threaded rod and dwang, fixed sleeve is located inside the base, just fixed sleeve is located first dead slot lower extreme, telescopic sleeve slides and is located inside the fixed sleeve, telescopic sleeve through the sliding component who is equipped with the long board of second links to each other, the threaded rod is inserted inside the fixed sleeve, the threaded rod is in free rotation in the fixed sleeve, the inside lower extreme of telescopic sleeve is equipped with the screw hole, the threaded rod with the screw hole mutually supports, dwang one end is inserted fixed sleeve one side, the dwang opposite side is stretched out the base outside, the dwang with link to each other through the coupling assembling that is equipped with between the threaded rod, through the rotation the dwang, control the threaded rod drives the telescopic sleeve removes, and then drives the long board of second goes up and down.

Preferably, two side wall surfaces of the first sliding block are respectively provided with a first sliding groove, inner walls of two sides of the first through groove are respectively provided with a first sliding rail, and the first sliding rail is in sliding connection with the first sliding groove.

Preferably, a first spring is arranged in the long groove, the upper end of the first spring is connected with the lower end surface of the moving block, and the lower end of the first spring is connected with the bottom end surface of the long groove.

Preferably, the sliding assembly comprises a second sliding block and a second sliding groove, a second empty groove is formed in one end, far away from the second hinge rod, of the second long plate, the second sliding groove is located on the inner walls of two sides of the second empty groove, two sides of the second sliding block are respectively connected with the second sliding groove, and the second sliding block moves smoothly in the second sliding groove.

Preferably, the lower end of the second sliding block is hinged to the surface of the upper end of the telescopic sleeve, a bolt is arranged at the hinged position, the bolt controls the angle between the second sliding block and the telescopic sleeve, and the second sliding block drives the second long plate to lift in the moving process of the telescopic sleeve in the fixed sleeve.

Preferably, the connecting assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is located at the lower end of the threaded rod, the second bevel gear is connected with one end of the rotating rod, and the first bevel gear and the second bevel gear are meshed with each other.

Preferably, the dwang is located base outside one end is equipped with the locking subassembly, the locking subassembly is including rotating sleeve, fixed block and second spring, it is in to rotate the muffjoint dwang one end, the fixed block is located the surface in the base outside, just the fixed block with it corresponds each other to rotate the muffjoint, the fixed block surface is equipped with first profile of tooth structure, it is close to rotate the muffjoint fixed block one end is equipped with second profile of tooth structure, first profile of tooth structure with second profile of tooth structure mutually supports, the second spring is located inside the rotation muffjoint, the second spring respectively with the rotation muffjoint with the dwang links to each other.

Preferably, the inner wall of the rotating sleeve is provided with a first clamping groove in a surrounding manner, the outer wall of the extending end of the rotating sleeve is provided with a first clamping block in a surrounding manner, and the first clamping groove is matched with the first clamping block.

Preferably, the other side surface of the upper end of the base is provided with an air bag, the surface of the air bag comprises a pillow pad and a hip pad, and handles are respectively arranged on two sides of the air bag.

Preferably, the front end and the rear end of the base are respectively provided with a lifting rod, and the two sides of the base are respectively provided with a binding belt.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the clamping assembly is arranged, the base plate in the clamping assembly is pressed by the gravity of the leg, so that the moving block at the lower end of the base plate moves downwards along the elongated slot, the racks at the two sides of the moving block drive the first gears at the two sides to rotate, and the clamping plates at the upper ends of the first gears are driven to approach the center position of the base plate, so that the leg placed on the base plate is clamped, and the leg is prevented from shaking in the transferring process to cause secondary injury to the affected limb.

2. According to the invention, the lifting assembly is arranged, the rotating rod in the lifting assembly is utilized to rotate, the other end of the rotating rod passes through the connecting assembly positioned in the fixed sleeve, namely the first bevel gear and the second bevel gear are mutually matched, so that the threaded rod at the upper end is driven to rotate, the threaded rod is mutually matched and rotated with the threaded hole in the lower end of the upper telescopic sleeve, so that the telescopic sleeve moves upwards along the inside of the fixed sleeve, and the second long plate at the upper end is further driven to be lifted, the pain symptom swelling development of the affected limb with soft tissue injury or local swelling caused by fracture can be prevented, the local swelling can be inhibited by continuously lifting the affected limb, the pain symptom can be relieved, meanwhile, the local blood circulation can be ensured, the rapid repair of damaged tissues is promoted, in addition, the lymphatic circulation of the damaged part can be accelerated by continuously lifting the affected limb, and the swelling fading is also facilitated.

3. According to the medical lifting assembly, the locking assembly is arranged at one end of the rotating rod, the second tooth-shaped structure on the end face of the rotating sleeve is automatically clamped with the first tooth-shaped structure on the end face of the outer side of the fixed block by using the second spring, so that the rotating rod is locked in a rotating mode, the second long plate is fixed with the first long plate in height, and the medical staff can conveniently adjust the lifting assembly.

4. According to the invention, the angle between the second sliding block and the telescopic sleeve in the sliding assembly can be adjusted to be parallel to the base through the adjusting bolt according to requirements, namely the second long plate is always kept to be parallel to the base in the long moving process, and the bolt can also be loosened to enable the second long plate to freely rotate with the first long plate, so that the leg of the patient can keep a proper posture in the lifting process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of a transfer device according to the present invention;

FIG. 2 is a schematic view of a base according to the present invention;

FIG. 3 is a schematic structural view of the first elongated panel and the second elongated panel of the present invention after being disassembled;

FIG. 4 is a schematic view of the clamp assembly of the present invention;

FIG. 5 is a schematic view of a first slider according to the present invention;

FIG. 6 is a schematic view of the construction of the lift assembly of the present invention;

FIG. 7 is a schematic view of the latch assembly of the present invention;

the reference numbers in the figures: 1. a base; 101. a first long plate; 102. a second long plate; 103. a first empty slot; 104. a first hinge hole; 105. a first hinge lever; 106. a second hinge lever; 107. a second hinge hole; 108. a second empty slot; 109. a limiting block; 201. a first slider; 202. a backing plate; 203. a splint; 204. a first through groove; 205. a first gear; 206. a long groove; 207. a moving block; 208. a rack; 209. a first chute; 210. a first slide rail; 211. a first spring; 301. fixing the sleeve; 302. a telescopic sleeve; 303. a threaded rod; 304. rotating the rod; 305. a threaded hole; 401. a second slider; 402. a second chute; 403. a bolt; 501. a first bevel gear; 502. a second bevel gear; 601. rotating the sleeve; 602. a fixed block; 603. a second spring; 604. a first tooth form structure; 605. a second tooth-shaped structure; 606. a first card slot; 607. a first clamping block; 7. an air bag; 701. a pillow pad; 702. a hip pad; 703. a handle; 8. lifting the rod; 9. a binding belt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, an emergency medical limb fixing and transferring device comprises a base 1, a first long plate 101, a second long plate 102 and an adjusting mechanism located on one side of the base 1, wherein an air bag 7 is arranged on the other side surface of the upper end of the base 1, the surface of the air bag 7 comprises a pillow 701 and a hip pad 702, handles 703 are respectively arranged on two sides of the air bag 7, the air bag 7 is lifted by the handles 703, so that a patient can be conveniently transferred from the transferring device to a sickbed, a lifting rod 8 is respectively arranged at the front end and the rear end of the base 1, and binding bands 9 are respectively arranged on two sides of the base 1; a pair of first empty grooves 103 are symmetrically formed in the upper surface of one side of the base 1, the first long plate 101 and the second long plate 102 are located in the first empty grooves 103, a first hinge hole 104 is formed in one end of each first empty groove 103, a first hinge rod 105 is formed in one end of the first long plate 101, the first hinge hole 104 is connected with the first hinge rod 105, a second hinge hole 106 is formed in the other end of the first long plate 101, a second hinge rod 107 is formed in one end of the second long plate 102, the second hinge rod 107 is connected with the second hinge hole 106, the first long plate 101 and the base 1 smoothly rotate, first sliding grooves 209 are formed in the two side wall surfaces of the first sliding block 201 respectively, first sliding rails 210 are formed in the inner walls of the two sides of each first through groove 204, the first sliding rails 210 are connected with the first sliding grooves 209 in a sliding mode, and the second long plate 102 and the first long plate 101 freely rotate;

as shown in fig. 4 and 5, the adjusting mechanism includes a clamping assembly and a lifting assembly, the clamping assembly is respectively located on the first long plate 101 and the second long plate 102, the clamping assembly includes a first slider 201, a backing plate 202 and a clamping plate 203, a first through groove 204 is respectively arranged at the middle position of the first long plate 101 and the second long plate 102, the first slider 201 is located in the first through groove 204, the first slider 201 moves smoothly in the first through groove 204, the clamping plate 203 is symmetrically located at the two sides of the first slider 201, the backing plate 202 is located between the clamping plates 203 at the two sides, a first gear 205 is arranged at the lower end of the clamping plate 203, a long groove 206 is arranged at the middle position of the first slider 201, the first gear 205 is hinged to the inner wall of the long groove 206, the lower end of the backing plate 202 is provided with a moving block 207, the moving block 207 is inserted in the middle of the long groove 206, the moving block 207 moves smoothly in the long groove 206 in the vertical direction, a first spring 211 is arranged in the long groove 206, the upper end of the first spring 211 is connected with the lower end surface of the moving block 207, the lower end of the first spring 211 is connected with the bottom end surface of the long groove 206, two side wall surfaces of the moving block 207 are respectively provided with a rack 208, the racks 208 are respectively matched with the first gear 205, the moving block 207 moves up and down, and the first gear 205 drives the clamping plate 203 at the upper end to swing with each other to clamp the affected limb;

as shown in fig. 6 to 7, a lifting assembly is located at the lower end of the second long plate 102, the lifting assembly includes a fixed sleeve 301, an extension sleeve 302, a threaded rod 303 and a rotating rod 304, the fixed sleeve 301 is located inside the base 1, the fixed sleeve 301 is located at the lower end of the first hollow 103, the extension sleeve 302 is located inside the fixed sleeve 301 in a sliding manner, the extension sleeve 302 is connected to the second long plate 102 through a sliding assembly, the sliding assembly includes a second slider 401 and a second sliding groove 402, a second hollow 108 is located at one end of the second long plate 102 away from the second hinge rod 107, the second sliding groove 402 is located on inner walls of two sides of the second hollow 108, two sides of the second slider 401 are respectively connected to the second sliding groove 402, the second slider 401 moves smoothly in the second sliding groove 402, the lower end of the second slider 401 is hinged to the upper end surface of the telescopic sleeve 302, a bolt 403 is arranged at the hinged position, the angle between the second slider 401 and the telescopic sleeve 302 is controlled by the bolt 403, the second slider 401 drives the second long plate 102 to lift and lower during the movement of the telescopic sleeve 302 in the fixed sleeve 301, the threaded rod 303 is inserted in the fixed sleeve 301, the threaded rod 303 freely rotates in the fixed sleeve 301, the lower end in the telescopic sleeve 302 is provided with a threaded hole 305, the threaded rod 303 is matched with the threaded hole 305, one end of the rotating rod 304 is inserted at one side of the fixed sleeve 301, the other side of the rotating rod 304 extends out of the base 1, the rotating rod 304 is connected with the threaded rod 303 by a connecting assembly arranged, and the connecting assembly comprises a first bevel gear 501 and a second bevel gear 502, the first bevel gear 501 is located at the lower end of the threaded rod 303, the second bevel gear 502 is connected with one end of the rotating rod 304, the first bevel gear 501 is meshed with the second bevel gear 502, the rotating rod 304 is rotated to control the threaded rod 303 to drive the telescopic sleeve 302 to move, so as to drive the second long plate 102 to lift, the rotating rod 304 is located at one end of the outer side of the base 1 and is provided with a locking assembly, the locking assembly comprises a rotating sleeve 601, a fixed block 602 and a second spring 603, the rotating sleeve 601 is sleeved at one end of the rotating rod 304, the fixed block 602 is located on the surface of the outer side of the base 1, the fixed block 602 corresponds to the rotating sleeve 601, the surface of the fixed block 602 is provided with a first tooth-shaped structure 604, the rotating sleeve 601 is close to one end of the fixed block 602 and is provided with a second tooth-shaped structure 605, the first tooth-shaped structure 604 is matched with the second tooth-shaped structure, the second spring 603 is located inside the rotating sleeve 601, the second spring 603 is respectively connected with the rotating sleeve 601 and the rotating sleeve 304, a first tooth-shaped structure 606 is arranged around the inner wall of the rotating sleeve 601, and is provided with an extending end 607, and the first tooth-shaped structure 607 is matched with the rotating sleeve 607.

When in use, after a patient with leg injury is lifted to the upper surface of the base 1, the upper body area of the patient can be placed in the area of the air bag 7, the neck and the hip of the patient respectively correspond to the areas of the pillow 701 and the hip pad 702, then the upper body of the patient is fixed through the binding bands 9 on the two sides of the base 1, the affected limb is placed in the area of the base 1 without the air bag 7, the thigh and the shank of the patient are respectively and correspondingly placed on the base plates 202 on the first long plate 101 and the second long plate 102, the base plates 202 are pressed through the gravity of the legs, the moving blocks 207 on the lower ends of the base plates 202 move downwards along the long grooves 206, at the moment, the racks 208 on the two sides of the moving blocks 207 drive the first gears 205 on the two sides to rotate, and further drive the clamping plates 203 on the upper ends of the first gears 205 to approach to the center of the base plates 202, so as to clamp the legs placed on the base plates 202, and avoid the legs from shaking in the transferring process, causing secondary injury to the affected limb, adding a cotton pad on the inner wall of the clamp plate 203 to avoid the leg from being squeezed, arranging a safety limit position at the downward moving distance of the base plate 202, contacting the upper end of the first sliding block 201 after the base plate 202 descends to a certain distance, stopping downward moving, avoiding the excessive gathering of the clamp plate 203, pressing the affected limb, clamping the leg of the patient, rotating the rotating sleeve 601 at the two sides of the base 1 to drive the rotating rod 304 to rotate, enabling the other end of the rotating rod 304 to pass through the connecting component inside the fixed sleeve 301, namely, the first bevel gear 501 and the second bevel gear 502 are matched with each other, further driving the threaded rod 303 at the upper end to rotate, and the threaded rod 303 rotates through being matched with the threaded hole 305 inside the lower end of the upper end telescopic sleeve 302, thereby realizing that the telescopic sleeve 302 moves up along the inside the fixed sleeve 301, further driving the second long plate 102 at the upper end to lift up, at this time, the rotating sleeve 601 is loosened, under the action of the second spring 603, the second tooth-shaped structure on the end surface of the rotating sleeve 601 is mutually clamped with the first tooth-shaped structure on the outer end surface of the fixed block 602, so as to realize the rotation locking of the rotating rod 304, further fix the height of the second long plate 102 and the first long plate 101, finally realize the lifting action of the affected limb of the patient, avoid the affected part of the affected limb from swelling, and in the process of moving the first long plate 101 and the second long plate 102 upwards, the first sliding block 201 in the first through groove 204 slides through the first sliding groove 209 and the first sliding rail 210, so that the leg is always kept in a clamped state, and simultaneously, the angle between the second sliding block 401 and the telescopic sleeve 302 in the sliding assembly can be realized through the adjusting bolt 403 according to the requirement, the second long plate 102 can be adjusted to be parallel to the base 1, namely, the second long plate 102 always keeps parallel to the base 1 in the process of moving, the bolts 403 can also be loosened, so that the second long plate 102 and the first long plate 101 can rotate freely, the legs of a patient can keep a proper posture in the lifting process, the second long plate can be limited by the second hinge rod 107 and the limiting block 109 arranged on the second hinge hole 106, the first long plate 101 and the second long plate 102 are prevented from rotating reversely, the base 1 is lifted up today by lifting the front end and the rear end of the base 1, and the patient can be transferred, the feet of the patient can be lifted up only, under the action of the first spring 211 in the long groove 206, the clamping plate 203 can automatically bounce to two sides, and the affected limb can be conveniently moved out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fixed transfer device of limbs for emergency medical science which characterized in that: the device comprises a base, a first long plate, a second long plate and an adjusting mechanism positioned on one side of the base;

the adjusting mechanism comprises a clamping component and a lifting component, the clamping component is respectively positioned on the first long plate and the second long plate, the clamping component comprises a first sliding block, backing plates and clamping plates, first through grooves are respectively formed in the middle positions of the first long plate and the second long plate, the first sliding block is positioned in the first through groove and can move smoothly in the first through groove, the clamping plates are symmetrically positioned on two sides of the first sliding block, the backing plates are positioned between the clamping plates on two sides, a first gear is arranged at the lower end of each clamping plate, an elongated groove is formed in the middle position of the first sliding block, the first gear is hinged with the inner wall of the elongated groove, a moving block is arranged at the lower end of each backing plate, the moving block is inserted in the middle position of the elongated groove and can move smoothly in the elongated groove in the vertical direction, racks are respectively arranged on two side wall surfaces of the moving block, the racks are respectively matched with the first gear, the moving block can move up and down, and the clamping plates on the upper ends of the moving block can swing mutually through the first gears to clamp plates to clamp the affected limb;

the utility model discloses a lifting unit, including first rectangular board, first dead slot, telescopic sleeve, threaded rod and dwang, lifting unit is located second rectangular board lower extreme, lifting unit includes fixed sleeve, telescopic sleeve, threaded rod and dwang, fixed sleeve is located inside the base, just fixed sleeve is located first dead slot lower extreme, telescopic sleeve slides and is located inside the fixed sleeve, telescopic sleeve through the sliding component who is equipped with the second rectangular board links to each other, the threaded rod is inserted inside the fixed sleeve, the threaded rod is in free rotation in the fixed sleeve, the inside lower extreme of telescopic sleeve is equipped with the screw hole, the threaded rod with screw hole mutually supported, dwang one end is inserted fixed sleeve one side, the dwang opposite side is stretched out the base outside, the dwang with link to each other through the coupling assembling that is equipped with between the threaded rod, through the rotation the dwang, control drive the threaded rod telescopic sleeve removes, and then drives the second rectangular board goes up and down.

2. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: the side wall surfaces of the two side walls of the first sliding block are respectively provided with a first sliding groove, the inner walls of the two sides of the first through groove are respectively provided with a first sliding rail, and the first sliding rails are connected with the first sliding grooves.

3. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: a first spring is arranged in the long groove, the upper end of the first spring is connected with the surface of the lower end of the moving block, and the lower end of the first spring is connected with the surface of the bottom end of the long groove.

4. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: the sliding assembly comprises a second sliding block and a second sliding groove, a second empty groove is formed in one end, far away from the second hinge rod, of the second long plate, the second sliding groove is located on the inner walls of the two sides of the second empty groove, the two sides of the second sliding block are connected with the second sliding groove respectively, and the second sliding block moves smoothly in the second sliding groove.

5. The limb immobilization transfer device for emergency medical treatment according to claim 4, wherein: the lower end of the second sliding block is connected with the upper end surface of the telescopic sleeve in a linked mode, a bolt is arranged at the hinged position, the second sliding block and the angle between the telescopic sleeves are controlled through the bolt, the telescopic sleeves move in the fixed sleeve, and the second sliding block drives the second long plate to lift.

6. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: the connecting assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is located at the lower end of the threaded rod, the second bevel gear is connected with one end of the rotating rod, and the first bevel gear is meshed with the second bevel gear.

7. The limb immobilization transfer device for emergency medical treatment according to claim 6, wherein: the dwang is located base outside one end is equipped with the locking subassembly, the locking subassembly is including rotating sleeve, fixed block and second spring, it is in to rotate the muffjoint dwang one end, the fixed block is located the surface in the base outside, just the fixed block with it corresponds each other to rotate the muffjoint, the fixed block surface is equipped with first profile of tooth structure, it is close to rotate the muffjoint fixed block one end is equipped with second profile of tooth structure, first profile of tooth structure with second profile of tooth structure is mutually supported, the second spring is located inside the rotation muffjoint, the second spring respectively with the rotation muffjoint with the dwang links to each other.

8. The limb immobilization transfer device for emergency medical treatment according to claim 7, wherein: the inner wall of the rotating sleeve is provided with a first clamping groove in a surrounding mode, the outer wall of the extending end of the rotating sleeve is provided with a first clamping block in a surrounding mode, and the first clamping groove is matched with the first clamping block.

9. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: the air bag is arranged on the surface of the other side of the upper end of the base and comprises a pillow pad and a hip pad, and handles are arranged on two sides of the air bag respectively.

10. The limb immobilization transfer device for emergency medical treatment according to claim 1, wherein: the front end and the rear end of the base are respectively provided with a lifting rod, and the two sides of the base are respectively provided with a binding belt.