CN115300247A - A limb immobilization transfer device for emergency medicine - Google Patents

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 immobilization and transfer device for emergency medicine

technical field

The invention relates to the technical field of medical devices, in particular to a limb fixation and transfer device for emergency medicine.

Background technique

Emergency medicine, also known as emergency medicine or emergency medicine, is a branch of medicine that studies and deals with emergency and critical patients and wounded on-site first aid, en route monitoring and treatment, in-hospital rescue and its organization and management. Also known as emergency medicine or emergency medicine. Emergency is action taken to examine and diagnose a patient promptly; emergency medical care provided to prevent death and subsequent disability of a patient in a critical condition. Both are at the heart of emergency medicine. The emergency medical service system is an institution responsible for effective on-site first aid, reasonable triage, organized transfer of patients, and close contact with base medicine. Emergency medicine can be divided into two categories: trauma and non-trauma. The types of emergency include on-site first aid, monitoring and rescue during transfer, and first aid in the hospital. Among them, on-site first aid is mostly for patients with cardiac arrest or trauma, and should be well organized and required. Emergency personnel are proficient in techniques such as cardiopulmonary resuscitation, hemostasis, and fracture fixation, which also have extremely strict requirements on the transfer device. It is also particularly important to ensure the stability of the patient's body and avoid secondary injuries.

However, at present, for patients who need to be transferred, the structure of the transfer equipment used is relatively simple, which can only achieve the effect of lifting and fixing the patient's body, which is easy to cause the patient's body to be damaged due to factors such as bumpy road conditions during the transfer process. Shaking, especially for patients with leg injuries, the leg lacks a specific fixing device on the transfer equipment, and a certain degree of shaking may cause secondary injury to the patient. high state.

Contents of the invention

The invention provides a limb fixation and transfer device for emergency medicine, which solves the problems of lack of effective fixation of the patient's leg and inability to adjust the angle of the leg in the existing emergency transfer process.

To achieve the above object, the present invention provides the following technical solutions: a limb fixation and transfer device for emergency medicine, including a base, a first long plate, a second long plate, and an adjustment mechanism located on one side of the base;

The upper surface of one side of the base is symmetrically provided with a pair of first empty slots, the first long plate and the second long plate are located in the first empty slots, and one end of the first empty slots is provided with a first hinge One end of the first long board is provided with a first hinge rod, the first hinge hole is connected with the first hinge rod, the other end of the first long board is provided with a second hinge rod, and the second One end of the long board is provided with a second hinge hole, the second hinge rod is connected with the second hinge hole, the smooth rotation between the first long board and the base, the second long board and the first Free rotation between a long board;

The adjustment mechanism includes a clamping assembly and a lifting assembly, the clamping assembly is respectively located on the first long board and the second long board, the clamping assembly includes a first slider, a backing plate and a splint, The middle positions of the first long plate and the second long plate are respectively provided with a first through groove, the first slider is located in the first through groove, and the first slider is in the first through groove The splint moves smoothly inside, the splint is symmetrically located on both sides of the first slider, the backing plate is located between the splints on both sides, the lower end of the splint is provided with a first gear, and the middle position of the first slider There is a long slot, the first gear is hinged with the inner wall of the long slot, a moving block is provided at the lower end of the backing plate, the moving block is inserted in the middle of the long slot, and the moving block is in the middle of the long slot. The vertical direction moves smoothly in the long groove. Racks are respectively provided on the two side walls of the moving block, and the racks cooperate with the first gear respectively. The moving block moves up and down, and the upper end is driven by the first gear. The splints swing mutually to clamp the affected limb;

The lifting assembly is located at the lower end of the second long board, the lifting assembly includes a fixed sleeve, a telescopic sleeve, a threaded rod and a rotating rod, the fixed sleeve is located inside the base, and the fixed sleeve is located At the lower end of the first empty slot, the telescopic sleeve is slidingly located inside the fixed sleeve, the telescopic sleeve is connected with the second long plate through a sliding assembly provided, and the threaded rod is inserted into the Inside the fixed sleeve, the threaded rod rotates freely in the fixed sleeve, the lower end of the telescopic sleeve is provided with a threaded hole, the threaded rod cooperates with the threaded hole, and one end of the rotating rod is inserted into the One side of the fixed sleeve and the other side of the rotating rod protrude from the outside of the base, and the rotating rod and the threaded rod are connected through a connecting assembly provided. By rotating the rotating rod, the controlled The threaded rod drives the telescopic sleeve to move, and then drives the second long board to move up and down.

Preferably, first slide grooves are respectively provided on both side walls of the first slider, first slide rails are respectively provided on the inner walls of both sides of the first through groove, and the first slide rails and the first slide grooves Swipe to connect to each other.

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

Preferably, the sliding assembly includes a second sliding block and a second sliding slot, a second hollow slot is provided at the end of the second long board away from the second hinge rod, and the second sliding slot is located at the second The inner walls on both sides of the empty groove, the 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 slider is hingedly connected to the upper surface of the telescopic sleeve, and a bolt is provided at the hinge, and the angle between the second slider and the telescopic sleeve is controlled by the bolt , during the movement of the telescopic sleeve in the fixed sleeve, the second slider drives the second long plate up and down.

Preferably, the connection assembly includes 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 to one end of the rotating rod, and the first bevel The gear meshes with the second bevel gear.

Preferably, the rotating rod is provided with a locking assembly at the outer end of the base, and the locking assembly includes a rotating sleeve, a fixed block and a second spring, and the rotating sleeve is sleeved on one end of the rotating rod. The fixed block is located on the outer surface of the base, and the fixed block and the rotating sleeve correspond to each other, the surface of the fixed block is provided with a first tooth structure, and the rotating sleeve is provided with a There is a second tooth-shaped structure, the first tooth-shaped structure cooperates with the second tooth-shaped structure, the second spring is located inside the rotating sleeve, and the second spring is respectively connected to the rotating sleeve connected to the pivot rod.

Preferably, the inner wall of the rotating sleeve is surrounded by a first locking groove, and the outer wall of the extension end of the rotating sleeve is surrounded by a first locking block, and the first locking groove and the first locking block cooperate with each other.

Preferably, an air bag is provided on the other side surface of the upper end of the base, the surface of the air bag includes pillow pads and buttock pads, and handles are provided on both sides of the air bag.

Preferably, lifting rods are respectively provided at the front and rear ends of the base, and binding straps are respectively provided on both sides of the base.

Compared with prior art, the beneficial effect of the present invention:

1. In the present invention, a clamping assembly is provided, and the backing plate in the clamping assembly is pressed by the gravity of the legs, so that the moving block at the lower end of the backing plate moves down along the long groove, and the racks on both sides of the moving block It will drive the first gears on both sides to rotate, and then drive the splint on the upper end of the first gear to approach the center of the backing plate, and then realize the clamping of the legs placed on the backing plate, so as to avoid the shaking of the legs during the transfer process, causing patients with Secondary injuries to limbs.

2. In the present invention, a lifting assembly is provided, and the rotating rod in the lifting assembly is used to rotate, and the other end of the rotating rod will pass through the connecting assembly located inside the fixed sleeve, that is, the first bevel gear and the second bevel gear cooperate with each other, Then it drives the threaded rod at the upper end to rotate, and the threaded rod rotates through the threaded hole in the lower end of the upper end telescopic sleeve, so that the telescopic sleeve moves up along the inside of the fixed sleeve, and then drives the second long plate at the upper end to lift. It can prevent soft tissue injury or local swollen limbs caused by fractures from causing pain symptoms and swelling development. By continuously raising the affected limbs, local swelling can be inhibited and pain symptoms can be relieved. At the same time, it is also conducive to ensuring local blood circulation and promoting damaged tissues. Quick repair, in addition, continuous elevation of the affected limb can also accelerate the lymphatic circulation of the injured part, and is also conducive to the subsidence of swelling.

3. In the present invention, a locking assembly is provided at one end of the rotating rod, and the second spring is used to make the second tooth-shaped structure on the end surface of the rotating sleeve automatically engage with the first tooth-shaped structure on the outer end surface of the fixed block. The rotation of the rotating rod is locked, so that the height of the second long board and the first long board are fixed, which is convenient for the medical staff to adjust the lifting assembly.

4. In the present invention, the angle between the second slider and the telescopic sleeve in the sliding assembly can be adjusted by adjusting the bolt according to the requirements, and the second long plate can be adjusted to be parallel to the base, that is, the second long plate Always keep parallel to the base during the long moving process, and the bolts can also be loosened to allow free rotation between the second long board and the first long board, so that the patient's legs can maintain a proper posture during the lifting process.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

In the attached picture:

Fig. 1 is a structural schematic view of a perspective of the transfer device of the present invention;

Fig. 2 is a structural schematic diagram of a viewing angle of the base of the present invention;

Fig. 3 is a schematic structural view of the split of the first long board and the second long board of the present invention;

Fig. 4 is a schematic structural view of the clamping assembly of the present invention;

Fig. 5 is a schematic view of the structure of the first slider of the present invention at a viewing angle;

Fig. 6 is a schematic structural view of the lifting assembly of the present invention;

Fig. 7 is a schematic structural view of the locking assembly of the present invention;

Symbols in the figure: 1, base; 101, first long board; 102, second long board; 103, first empty slot; 104, first hinge hole; 105, first hinge rod; 106, second hinge rod; 107, the second hinge hole; 108, the second empty slot; 109, the limit block; 201, the first slider; 202, the backing plate; 203, the splint; 204, the first through groove; 205, the first gear; , long groove; 207, moving block; 208, rack; 209, first chute; 210, first slide rail; 211, first spring; 301, fixed sleeve; 302, telescopic sleeve; 303, threaded rod ; 304, rotating rod; 305, threaded hole; 401, second slide block; 402, second chute; 403, bolt; 501, first bevel gear; 502, second bevel gear; 601, rotating sleeve; 602 , fixed block; 603, second spring; 604, first tooth structure; 605, second tooth structure; 606, first slot; 607, first block; 7, airbag; 701, pillow; 702 , hip pad; 703, handle; 8, lifting rod; 9, binding belt.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Embodiment: As shown in Fig. 1-Fig. 3, a limb immobilization transfer device for emergency medicine includes a base 1, a first long board 101, a second long board 102 and an adjustment mechanism located on one side of the base 1. An airbag 7 is provided on the surface of the other side of the upper end of the base 1, and the surface of the airbag 7 includes a pillow 701 and a buttock pad 702. The two sides of the airbag 7 are respectively provided with handles 703, and the airbag 7 is lifted by using the handle 703, so as to facilitate To transfer the patient from the transfer device to the hospital bed, the front and rear ends of the base 1 are respectively provided with lifting rods 8, and the two sides of the base 1 are respectively provided with binding straps 9; the upper surface of one side of the base 1 is symmetrically provided with a pair of first An empty slot 103, the first long plate 101 and the second long plate 102 are located in the first empty slot 103, one end of the first empty slot 103 is provided with a first hinge hole 104, the first long plate One end of the board 101 is provided with a first hinged rod 105, and the first hinged hole 104 is connected to the first hinged rod 105, and the other end of the first long board 101 is provided with a second hinged hole 106, and the second long board 101 is provided with a second hinged hole 106. One end of the plate 102 is provided with a second hinged rod 107, the second hinged rod 107 is connected to the second hinged hole 106, the smooth rotation between the first long board 101 and the base 1, the first sliding The two side walls of the block 201 are respectively provided with first slide grooves 209, and the inner walls of the two sides of the first through groove 204 are respectively provided with first slide rails 210, and the first slide rails 210 and the first slide grooves 209 slide mutually. connected, free rotation between the second long board 102 and the first long board 101;

Wherein, as shown in Figure 4 and Figure 5, the adjustment mechanism includes a clamping assembly and a lifting assembly, the clamping assembly is located on the first long board 101 and the second long board 102 respectively, and the clamping assembly includes the first long board 101 and the second long board 102 respectively. A slider 201, a backing plate 202 and a splint 203, the middle positions of the first long plate 101 and the second long plate 102 are respectively provided with a first through groove 204, and the first slider 201 is located in the first through groove 204, and the first slider 201 moves smoothly in the first through groove 204, the splint 203 is symmetrically located on both sides of the first slider 201, and the backing plate 202 is located on the two sides of the Between the splints 203, the lower end of the splint 203 is provided with a first gear 205, the middle position of the first slider 201 is provided with a long groove 206, the first gear 205 is hinged with the inner wall of the long groove 206, and the The lower end of backing plate 202 is provided with a moving block 207, and described moving block 207 is inserted in the middle position of described long groove 206, and described moving block 207 moves smoothly in vertical direction in described long groove 206, and described long groove 206 is provided with There is a first spring 211, the upper end of the first spring 211 is connected to the lower surface of the moving block 207, the lower end of the first spring 211 is connected to the bottom surface of the long groove 206, and the two side walls of the moving block 207 are respectively A rack 208 is provided, and the rack 208 cooperates with the first gear 205 respectively, and the moving block 207 moves up and down, and the splint 203 at the upper end is driven by the first gear 205 to swing mutually to treat the affected limb. clamping;

As shown in Figures 6-7, the lifting assembly is located at the lower end of the second long board 102, and the lifting assembly includes a fixed sleeve 301, a telescopic sleeve 302, a threaded rod 303 and a rotating rod 304, and the fixed sleeve 301 Located inside the base 1, and the fixed sleeve 301 is located at the lower end of the first cavity 103, the telescopic sleeve 302 is slid inside the fixed sleeve 301, and the telescopic sleeve 302 passes through the provided The sliding assembly is connected with the second long board 102, the sliding assembly includes a second sliding block 401 and a second slide groove 402, and the end of the second long board 102 away from the second hinged rod 107 is provided with a second hollow. Groove 108, the second sliding groove 402 is located on the inner walls of both sides of the second empty groove 108, the two sides of the second sliding block 401 are respectively connected with the second sliding groove 402, and the second sliding block 401 is in the Smooth movement in the second chute 402, the lower end of the second slider 401 is hingedly connected with the upper surface of the telescopic sleeve 302, and a bolt 403 is arranged at the hinge, through which the second sliding block 403 is controlled. The angle between the slider 401 and the telescopic sleeve 302, during the movement of the telescopic sleeve 302 in the fixed sleeve 301, the second slider 401 drives the second long plate 102 up and down, The threaded rod 303 is inserted inside the fixed sleeve 301, the threaded rod 303 is free to rotate in the fixed sleeve 301, the inner lower end of the telescopic sleeve 302 is provided with a threaded hole 305, and the threaded rod 303 Cooperate with the threaded hole 305, one end of the rotating rod 304 is inserted into one side of the fixed sleeve 301, the other side of the rotating rod 304 protrudes from the outside of the base 1, the rotating rod 304 and the The threaded rods 303 are connected by a connecting assembly provided, the connecting assembly includes 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, and the second bevel gear The gear 502 is connected to one end of the rotating rod 304, and the first bevel gear 501 and the second bevel gear 502 mesh with each other. By rotating the rotating rod 304, the threaded rod 303 is controlled to drive the telescopic sleeve 302 Move, and then drive the second long board 102 up and down, the rotating rod 304 is located at the outer end of the base 1 with a locking assembly, the locking assembly includes a rotating sleeve 601, a fixed block 602 and a second spring 603 , the rotating sleeve 601 is sleeved on one end of the rotating rod 304, the fixed block 602 is located on the outer surface of the base 1, and the fixed block 602 corresponds to the rotating sleeve 601, the fixed block 602 is provided with a first toothed structure 604, and one end of the rotating sleeve 601 close to the fixed block 602 is provided with a second toothed structure 605, and the first toothed structure 604 and the second toothed structure 605 Cooperating with each other, the second spring 603 is located inside the rotating sleeve 601, and the second spring 603 is connected with the rotating sleeve 601 and the rotating sleeve 601 respectively. The rotating rod 304 is connected, the inner wall of the rotating sleeve 601 is surrounded by a first card slot 606, and the outer wall of the extension end of the rotating sleeve 601 is surrounded by a first card block 607, and the first card slot 606 and the The above-mentioned first block 607 cooperates with each other to realize the linkage between the rotating sleeve 601 and the rotating rod 304 .

When in use, for a patient with injured legs, after being lifted to the upper surface of the base 1, the upper body area of the patient can be placed in the area of the airbag 7, so that the patient's neck and buttocks correspond to the areas of the pillow pad 701 and the buttock pad 702 respectively, and then pass through the base 1 The binding straps 9 on both sides fix the upper body of the patient, and then place the affected limb on the base 1 without the airbag 7, and place the patient's thigh and calf on the first long board 101 and the second long board respectively On the backing plate 202 on the position 102, the backing plate 202 is pressed by the gravity of the legs, so that the moving block 207 at the lower end of the backing plate 202 moves down along the long groove 206, and the racks 208 on both sides of the moving block 207 will drive the The first gears 205 on both sides rotate, and then drive the splint 203 on the upper end of the first gear 205 to approach the center of the backing plate 202, thereby realizing the clamping of the legs placed on the backing plate 202, and avoiding the shaking of the legs during the transfer process , causing secondary injury to the affected limb, and the inner wall of the splint 203 can be increased with cotton pads to avoid the extrusion of the legs. The upper end of the slider 201 contacts, stops moving down, prevents the excessive gathering of the splint 203, and compresses the affected limb. After clamping the patient's leg, the rotating sleeve 601 can be driven by rotating the rotating sleeve 601 on both sides of the base 1. The rotating rod 304 rotates, and the other end of the rotating rod 304 will cooperate with each other through the connecting assembly located inside the fixed sleeve 301, that is, the first bevel gear 501 and the second bevel gear 502, and then drive the threaded rod 303 at the upper end to rotate, and the threaded rod 303 cooperates with the threaded hole 305 inside the lower end of the upper end telescopic sleeve 302 to rotate, so that the telescopic sleeve 302 moves up along the inside of the fixed sleeve 301, and then drives the second long plate 102 at the upper end to lift, and at this time, loosen the Rotate the sleeve 601, under the action of the second spring 603, the second tooth structure on the end surface of the rotating sleeve 601 will engage with the first tooth structure on the outer end surface of the fixed block 602 to realize the rotation lock of the rotating rod 304 Then, the height of the second long board 102 and the first long board 101 is fixed, and finally the lifting action of the patient's affected limb is realized, and the swelling of the injured part of the affected limb is avoided, and the first long board 101 and the second long board 102 During the upward movement, the first sliding block 201 located in the first through groove 204 will slide through the first sliding groove 209 and the first sliding rail 210, so that the legs are always kept in a clamped state. Adjust the bolt 403 to realize the angle between the second slider 401 and the telescopic sleeve 302 in the sliding assembly, and adjust the second long plate 102 to be parallel to the base 1, that is, the second long plate 102 is always Keeping parallel to the base 1, the bolt 403 can also be loosened, so that the free rotation between the second long board 102 and the first long board 101 can keep the patient's legs in a proper posture during the lifting process, and through the second hinge The limit block 109 provided on the rod 107 and the second hinge hole 106 is limited to prevent the first long plate 101 and the second long plate 10 from 2 Reverse rotation, lift the base 1 by raising the front and rear ends of the base 1, and carry out the transfer work. When the patient needs to be transferred down, just lift the patient's foot, and the first spring 211 inside the long slot 206 acts Next, the splint 203 will bounce off to both sides automatically, which is convenient for removing the affected limb.

Finally, it should be noted that: the above is only a preferred example of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A limb fixation and transfer device for emergency medicine, characterized in that: it comprises a base, a first long board, a second long board, and an adjustment mechanism located on one side of the base; The upper surface of one side of the base is symmetrically provided with a pair of first empty slots, the first long plate and the second long plate are located in the first empty slots, and one end of the first empty slots is provided with a first hinge One end of the first long board is provided with a first hinge rod, the first hinge hole is connected with the first hinge rod, the other end of the first long board is provided with a second hinge rod, and the second One end of the long board is provided with a second hinge hole, the second hinge rod is connected with the second hinge hole, the smooth rotation between the first long board and the base, the second long board and the first Free rotation between a long board; The adjustment mechanism includes a clamping assembly and a lifting assembly, the clamping assembly is respectively located on the first long board and the second long board, the clamping assembly includes a first slider, a backing plate and a splint, The middle positions of the first long plate and the second long plate are respectively provided with a first through groove, the first slider is located in the first through groove, and the first slider is in the first through groove The splint moves smoothly inside, the splint is symmetrically located on both sides of the first slider, the backing plate is located between the splints on both sides, the lower end of the splint is provided with a first gear, and the middle position of the first slider There is a long slot, the first gear is hinged with the inner wall of the long slot, a moving block is provided at the lower end of the backing plate, the moving block is inserted in the middle of the long slot, and the moving block is in the middle of the long slot. The vertical direction moves smoothly in the long groove. Racks are respectively provided on the two side walls of the moving block, and the racks cooperate with the first gear respectively. The moving block moves up and down, and the upper end is driven by the first gear. The splints swing mutually to clamp the affected limb; The lifting assembly is located at the lower end of the second long board, the lifting assembly includes a fixed sleeve, a telescopic sleeve, a threaded rod and a rotating rod, the fixed sleeve is located inside the base, and the fixed sleeve is located At the lower end of the first empty slot, the telescopic sleeve is slidingly located inside the fixed sleeve, the telescopic sleeve is connected with the second long plate through a sliding assembly provided, and the threaded rod is inserted into the Inside the fixed sleeve, the threaded rod rotates freely in the fixed sleeve, the lower end of the telescopic sleeve is provided with a threaded hole, the threaded rod cooperates with the threaded hole, and one end of the rotating rod is inserted into the One side of the fixed sleeve and the other side of the rotating rod protrude from the outside of the base, and the rotating rod and the threaded rod are connected through a connecting assembly provided. By rotating the rotating rod, the controlled The threaded rod drives the telescopic sleeve to move, and then drives the second long board to move up and down. 2. A limb fixation and transfer device for emergency medicine according to claim 1, characterized in that: first sliding grooves are respectively provided on the two side walls of the first slider, and the inner walls on both sides of the first through groove are respectively A first slide rail is provided, and the first slide rail is connected to the first slide groove. 3. A limb fixation and transfer device for emergency medicine according to claim 1, characterized in that: a first spring is arranged in the long groove, and the upper end of the first spring is connected with the lower end surface of the moving block, so that The lower end of the first spring is connected to the bottom surface of the long groove. 4. A limb fixation and transfer device for emergency medicine according to claim 1, wherein the sliding assembly includes a second slider and a second chute, and the second long board is far away from the second hinge One end of the rod is provided with a second chute, the second chute is located on the inner walls of both sides of the second chute, the two sides of the second slider are respectively connected with the second chute, and the second slider Smooth movement in the second chute. 5. A limb fixation and transfer device for emergency medicine according to claim 4, characterized in that: the lower end of the second slider is connected to the upper surface of the telescopic sleeve, and a bolt is provided at the hinge, through which The bolt controls the angle between the second slider and the telescopic sleeve, and when the telescopic sleeve moves in the fixed sleeve, the second slider drives the second long plate lift. 6. A limb fixation and transfer device for emergency medicine according to claim 1, characterized in that: the connecting assembly includes a first bevel gear and a second bevel gear, and the first bevel gear is located at the lower end of the threaded rod , the second bevel gear is connected to one end of the rotating rod, and the first bevel gear and the second bevel gear mesh with each other. 7. A limb immobilization and transfer device for emergency medicine according to claim 6, characterized in that: the end of the rotating rod located outside the base is provided with a locking assembly, and the locking assembly includes a rotating sleeve, a fixed A block and a second spring, the rotating sleeve is sleeved on one end of the rotating rod, the fixed block is located on the surface outside the base, and the fixed block and the rotating sleeve correspond to each other, and the surface of the fixed block A first tooth-shaped structure is provided, and a second tooth-shaped structure is provided on the end of the rotating sleeve close to the fixed block. The first tooth-shaped structure cooperates with the second tooth-shaped structure, and the second spring Located inside the rotating sleeve, the second spring is respectively connected with the rotating sleeve and the rotating rod. 8. A limb fixation and transfer device for emergency medicine according to claim 7, characterized in that: the inner wall of the rotating sleeve is surrounded by a first slot, and the outer wall of the extension end of the rotating sleeve is surrounded by a second groove. A clamping block, the first clamping groove cooperates with the first clamping block. 9. A limb immobilization and transfer device for emergency medicine according to claim 1, characterized in that: an airbag is provided on the surface of the other side of the upper end of the base, and the surface of the airbag includes a pillow pad and a buttock pad, and the two sides of the airbag There are handles on the sides. 10. The limb immobilization and transfer device for emergency medicine according to claim 1, characterized in that: the front and rear ends of the base are respectively provided with lifting rods, and the two sides of the base are respectively provided with binding straps.

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