CN115177444A

CN115177444A - A limbs fixing device for fracture patient before institute

Info

Publication number: CN115177444A
Application number: CN202210818359.4A
Authority: CN
Inventors: 张铃; 李光珍; 刘艳; 黄剑飞; 罗敏; 马意; 徐亚梅
Original assignee: Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
Current assignee: Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-10-14

Abstract

The utility model provides a limbs fixing device for fracture patient before institute, includes the bottom plate, the anterior left and right sides fixedly connected with support floor of bottom plate upside, support floor left side middle part rotates and is connected with the crane, crane left side middle part rotates and is connected with the cooperation board, the side threaded connection has the lifting screw in the cooperation board, lifting screw upside fixedly connected with adjustment disk, crane right side upper portion is provided with elevating system. The invention effectively solves the problems that the traditional transfer trolley has single function, the device is large, the device cannot be folded, and the device is inconvenient to be matched with an emergency ambulance to receive a patient with fracture, when the patient is placed on the transfer trolley, the patient with fracture of the upper body can only lie on the transfer trolley, the angle of the position of the upper body of the patient cannot be accurately adjusted, the fracture part of the patient has the condition of partial deviation again, and the medical personnel are inconvenient to fix the leg of the patient.

Description

A limbs fixing device for fracture patient before institute

Technical Field

The invention relates to the field of medical instruments, in particular to a limb fixing device for a patient with precocious fracture.

Background

When some fracture patients before medical treatment are transported, a transport trolley is needed, the function of the traditional transport trolley is single, the device is large and cannot be folded, the patient with fracture of the upper body cannot be conveniently connected with an emergency ambulance, when the patient is placed on the transport trolley, the patient with fracture of the upper body can only lie on the transport trolley, the angle of the upper body position of the patient cannot be accurately adjusted, the condition that the fracture part of the patient is partially deviated again occurs, the medical staff cannot conveniently fix the legs of the patient, the workload of the medical staff is increased, time and labor are wasted, the nursing and delivery are more labor-consuming, and the patient is uncomfortable; there is an urgent need for a limb fixation device for patients with pre-hospital fractures.

Disclosure of Invention

The invention provides a limb fixing device for a patient with precordial fracture, aiming at the defects of the prior art, and effectively solving the problems that the traditional transfer trolley has single function, the device is large and cannot be folded, the patient with fracture cannot be conveniently connected with an emergency ambulance, when the patient is placed on the transfer trolley, the patient with fracture of the upper body can only lie on the transfer trolley, the angle of the upper body position of the patient cannot be accurately adjusted, the condition that the fracture part of the patient is partially deviated again occurs, the medical staff cannot conveniently fix the legs of the patient, the workload of the medical staff is increased, the time and the labor are wasted, the nursing and the patient is uncomfortable.

In order to solve the problems, the invention adopts the technical scheme that:

a limb fixing device for a patient suffering from pre-hospital fracture comprises a bottom plate, wherein a supporting rib plate is fixedly connected to the left side and the right side of the front portion of the upper side of the bottom plate, a lifting frame is rotatably connected to the middle of the left side of the supporting rib plate, a matching plate is rotatably connected to the middle of the left side of the lifting frame, a lifting screw is connected to the middle of the matching plate in a threaded manner, an adjusting disc is fixedly connected to the upper side of the lifting screw, a lifting mechanism is arranged on the upper portion of the right side of the lifting frame, a placing plate is arranged on the upper side of the lifting mechanism, the adjusting disc rotates to form a structure in which the placing plate moves up and down, a hollow shell is fixedly connected to the upper side of the placing plate, an auxiliary rib plate is fixedly connected to the rear portion of the right side of the shell, a movable plate is slidably connected to the upper side of the auxiliary rib plate, a turnover plate is arranged on the front side of the movable plate, a turnover plate is provided with a lying plate, a rotating handle is arranged on the right side of the turnover plate, and the rotating handle rotates to form a structure in which the turnover plate to a certain angle; the back side of the shell is rotatably connected with an adjusting rod, the middle side of the adjusting rod is fixedly connected with a rocking handle, the lower side of the rocking handle is fixedly connected with a hand rocker, the upper side of the rocking handle is hinged with a long rod, the front side of the long rod is provided with a folding mechanism, the left side and the right side of the folding mechanism are both provided with folding rods, and the upper side of each folding rod is fixedly connected with a bound sector plate; the rotation of the hand lever forms a structure that the two binding sector plates are simultaneously opened outwards or folded inwards.

Preferably, tilting mechanism include with rotation handle fixed connection's adjusting screw, supplementary floor upper portion right side fixedly connected with fixed plate, adjusting screw with fixed plate threaded connection, adjusting screw with the movable plate rotates to be connected, supplementary floor opens there is the spout, the movable plate with spout sliding connection, the side all articulates around the movable plate has first connecting rod, first connecting rod left side is inside all with the returning face plate is articulated, the equal fixedly connected with extension plate in returning face plate left and right sides lower part, place board rear side upper portion fixedly connected with inversion T shaped plate, the side all articulates around inversion T shaped plate upside middle part has the second connecting rod, the equal sliding connection in second connecting rod middle side has the slider, the slider outside all with the extension plate is articulated, the equal fixedly connected with arc in the inverting T shaped plate left and right sides, the arc middle side all opens the arc wall, the second connecting rod all opens the short groove, the short groove middle side all is provided with the slide bar, two the slide bar with short groove sliding connection, the slide bar rear side sets up adjustment mechanism.

Preferably, the folding mechanism comprises fixing rods fixedly connected with the left side and the right side of the shell, lantern rings are rotatably connected to the middle sides of the fixing rods, half-moon plates are fixedly connected to the upper sides of the lantern rings, the upper sides of the half-moon plates are fixedly connected with the folding rods, third connecting rods are hinged to the inner sides of the folding rods, a hollow square plate is fixedly connected to the front end of the long rod, the third connecting rods are hinged to the square plate, fixed rib plates are fixedly connected to the left and right sides of the front side of the placing plate, the fixing rods are fixedly connected with the fixed rib plates, limiting rods are fixedly connected to the rear portions of the inner sides of the fixed rib plates, and binding belts are fixedly connected to the front and rear sides of the left and right sides of the binding sector plates.

Preferably, the adjusting mechanism includes a fixing column fixedly connected to the left and right sides of the rear side of the placing plate, a translation rod is arranged on the upper portion of the rear side of the placing plate, the translation rod is connected to the fixing column in a sliding manner, key grooves are formed in the left and right sides of the translation rod, a slide rod is connected to the key grooves in a sliding manner, a connecting frame is arranged on the upper portion of the rear side of the placing plate, an adjusting worm is arranged on the upper side of the connecting frame in a rotating manner, a rotating head is fixedly connected to the left side of the adjusting worm, an adjusting worm wheel is connected to the lower side of the adjusting worm in a meshing manner, a cylindrical cam is fixedly connected to the middle of the adjusting worm wheel, the cylindrical cam is connected to the placing plate in a rotating manner, a short rod is connected to the lower side of the cylindrical cam in a meshing manner, the short rod is fixedly connected to the translation rod, and the fixing column is fixedly connected to the connecting frame.

Preferably, elevating system include with the lifting screw downside rotates the turning block of connecting, the bottom plate front side is opened there is the open slot, open slot inner wall rear side fixedly connected with minor axis, the turning block with the minor axis rotates to be connected, support floor upside fixedly connected with bracing piece, the bracing piece is all rotated on the left and right sides and is connected with the horizontal pole, place the equal fixedly connected with connecting plate of board downside left and right sides portion, the crane rear side with the connecting plate is articulated, the horizontal pole right side with the connecting plate is articulated.

Preferably, adjust pole left side fixed connection's ratchet, the meshing of ratchet upside is connected with the gear shaping, gear shaping upside fixedly connected with inserted bar, casing left side fixed connection division slotted lagging, the inserted bar with lagging sliding connection, adjust pole left side fixedly connected with wind spring, the wind spring upper end with casing fixed connection, the equal fixedly connected with in inserted bar left and right sides upper portion stretches the spring, stretch and draw the spring lower extreme with lagging fixed connection.

Preferably, casing rear side fixedly connected with push rod, a plurality of first belts that distribute evenly of fixedly connected with front and back portion in service creeper left side, a plurality of second belts that distribute evenly of fixedly connected with front and back portion in service creeper right side, first belt upside is provided with the pin thread, fixedly connected with box on the second belt, a plurality of universal wheels that distribute evenly of bottom plate downside fixedly connected with.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. the first connecting rod drives the turnover plate to slide along the second connecting rod, and the left side and the right side of the turnover plate are different in position height, so that the height difference of the turnover plate is realized, the turnover plate is turned to a proper angle, the lying plate is driven to be turned to a proper angle, and an accurate lying angle can be conveniently selected for a patient with upper body fracture.

2. The hand rod drives the long rod to move towards the front side, the square plate drives the third connecting rod to move, so that the angle between the two third connecting rods is changed, and the third connecting rod drives the extension plate to turn downwards and further drives the bound sector plate to turn downwards and fold, so that the space using area is reduced.

3. The short rod drives the translation rod to move up and down along the fixed column, so that the translation rod drives the sliding rod to move up and down, the sliding rod drives the first connecting rod to rotate along the arc-shaped groove, and a proper and accurate lying angle is selected for a patient.

4. The turning block with the rotation of minor axis is connected, and then drive the crane along with the junction rotation of support floor, because the horizontal pole with crane parallelogram structure, thereby will place the board and adjust to the position of suitable height, when not using, also make things convenient for the folding of device, reduced the occupation of space on the emergency tender.

Drawings

Fig. 1 is a schematic axial view of a limb fixing device for a patient with pre-hospital fracture according to the present invention.

Fig. 2 is a rear view of a limb fixation device for a patient with pre-hospital fractures according to the present invention.

Fig. 3 is a schematic view of a connection frame structure of a limb fixing device for a patient with precocious fracture according to the invention.

Fig. 4 is a schematic view of the structure of a turning plate of the limb fixing device for the patient with the precocious fracture.

Fig. 5 is a schematic view of the cylindrical cam structure of the limb fixing device for the patient with the pre-hospital fracture.

Fig. 6 is a schematic view of the structure of a translation rod of the limb fixing device for the patient with the pre-hospital fracture.

Fig. 7 is a schematic view of an inverted T-shaped plate structure of a limb fixation device for a patient with pre-hospital fracture according to the present invention.

Fig. 8 is a schematic view of a rocking handle structure of a limb fixing device for a patient with precocious fracture.

FIG. 9 is a schematic diagram of a ratchet structure of a limb fixation device for a patient with pre-hospital fracture according to the present invention.

Fig. 10 is a schematic view showing a fixing rod structure of a limb fixing device for a patient with pre-hospital fracture according to the present invention.

Fig. 11 is a schematic view of a meniscus configuration of a limb fixation device for a patient with pre-hospital fracture according to the present invention.

Fig. 12 is a schematic view of a first strap configuration of a limb fixation device for a patient with pre-hospital fracture according to the present invention.

Fig. 13 is a structural view illustrating a placement plate of a limb fixing device for a patient with precocious fracture according to the present invention.

Fig. 14 is a schematic view of a support rib structure of a limb fixation device for a patient with pre-hospital fracture according to the present invention.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-14, the invention provides a limb fixing device for a patient with precordial fracture, comprising a bottom plate 1, wherein a support rib plate 2 is fixedly connected to the front part of the upper side of the bottom plate 1 on the left and right sides, a lifting frame 57 is rotatably connected to the middle part of the left side of the support rib plate 2, a matching plate 55 is rotatably connected to the middle part of the left side of the lifting frame 57, a lifting screw 54 is threadedly connected to the middle side of the matching plate 55, an adjusting plate 6 is fixedly connected to the upper side of the lifting screw 54, a lifting mechanism 14 is arranged on the upper part of the right side of the lifting frame 57, a placing plate 11 is arranged on the upper side of the lifting mechanism 14, the rotation of the adjusting plate 6 forms a structure that the placing plate 11 moves up and down, a hollow shell 12 is fixedly connected to the upper side of the placing plate 11, an auxiliary rib plate 19 is fixedly connected to the upper side of the shell 12, a moving plate 24 is slidably connected to the moving plate 19, a turnover mechanism 17 is arranged on the front side of the turnover plate 17, a turnover plate 23 is fixedly connected to the front side of the turnover plate, a lying plate is arranged on the right side of the turnover handle 9, and the rotation of the handle 9 forms a structure that the turnover plate 23 turns to a certain angle; an adjusting rod 57 is rotatably connected to the rear side of the shell 12, a rocking handle 62 is fixedly connected to the middle side of the adjusting rod 57, a hand rocker 8 is fixedly connected to the lower side of the rocking handle 62, a long rod 50 is hinged to the upper side of the rocking handle 62, a folding mechanism 13 is arranged on the front side of the long rod 50, folding rods 46 are arranged on the left side and the right side of the folding mechanism 13, and binding sector plates 18 are fixedly connected to the upper sides of the folding rods 46; the rotation of the hand lever 8 forms a structure in which the two binding sector plates 18 are simultaneously opened outwards or folded inwards.

Firstly, the adjusting disc 6 is adjusted according to the transferring requirement of a patient, the rotation of the adjusting disc 6 is transmitted by the lifting mechanism 14, the placing plate 11 is adjusted to a position with a proper height, the rotation of the adjusting handle is transmitted by the turnover mechanism 17 by adjusting the rotating handle 9, the lying plate is adjusted to a position with a proper angle, the patient with upper body fracture can conveniently select a position with a proper angle, and the patient can be placed on the position of the bound sector plate 18 by the leg of the patient; lifting the leg of the patient.

Turnover mechanism 17 include with rotation handle 9 fixed connection's adjusting screw 21, supplementary floor 19 upper portion right side fixedly connected with fixed plate 20, adjusting screw 21 with fixed plate 20 threaded connection, adjusting screw 21 with moving plate 24 rotates to be connected, supplementary floor 19 is opened there is the spout, moving plate 24 with spout sliding connection, moving plate 24 front and back side all articulates there is first connecting rod 26, first connecting rod 26 left side inside all with turnover plate 23 is articulated, the equal fixedly connected with extension plate 60 of side lower part about turnover plate 23, place board 11 rear side upper portion fixedly connected with inversion T-shaped plate 29, inversion T-shaped plate 29 upside middle part front and back side all articulates there is second connecting rod 28, the equal sliding connection in second connecting rod 28 middle side has slider 27, the slider 27 outside all with extension plate 60 is articulated, the equal fixedly connected with arc 31 in inversion T-shaped plate 29 left and right sides, arc 32 is all opened to the arc 31 middle side, second connecting rod 28 all opens there is short groove 38, short groove 38 middle side all is provided with slide bar 37, two slide bars 37 all with slide bar 37 rear slide bar 38 sets up adjustment mechanism.

Through rotating handle 9, rotating handle 9 and driving adjusting screw 21 and rotate, adjusting screw 21 drives movable plate 24 is followed the spout slides, and movable plate 24 drives first connecting rod 26 and carries out the removal of controlling the side direction, first connecting rod 26 drives returning face plate 23 and follows second connecting rod 28 slides, because the difference of returning face plate 23 left and right sides position height to realized the difference in height of returning face plate 23, the upset of returning face plate 23 is to suitable angle, drives the service creeper upset to suitable angle, is convenient for select a suitable angle of lying for the patient of upper part of the body fracture, fixes.

The folding mechanism 13 comprises a fixing rod 49 fixedly connected with the left side and the right side of the shell 12, a lantern ring 53 is rotatably connected with the middle side of the fixing rod 49, a meniscus 47 is fixedly connected with the upper side of the lantern ring 53, the upper side of the meniscus 47 is fixedly connected with the folding rod 46, a third connecting rod 45 is hinged with the inner side of the folding rod 46, the front end of the long rod 50 is fixedly connected with a hollow square plate 44, the third connecting rod 45 is hinged with the square plate 44, the left and the right parts of the front side of the placing plate 11 are fixedly connected with a fixed ribbed plate 51, the fixing rod 49 is fixedly connected with the fixed ribbed plate 51, the rear part of the inner side of the fixed ribbed plate 51 is fixedly connected with a limiting rod 52, and the front and the rear parts of the left and the right parts of the binding fan-shaped plate 18 are fixedly connected with binding belts 48.

Through upwards overturning hand lever 8, hand lever 8 drives stock 50 and removes to the front side, and square board 44 drives third connecting rod 45 and removes, makes two angle between the third connecting rod 45 changes, because meniscus 47 with the fixed connection of extension plate 60, meniscus 47 with the fixed connection of lantern ring 53 to make third connecting rod 45 drive extension plate 60 and overturn downwards, and then drive constraint sector plate 18 overturns folding downwards, has reduced space usable floor area.

The adjusting mechanism comprises a fixing column 30 fixedly connected with the left and right parts of the rear side of the placing plate 11, a translation rod 25 is arranged on the upper part of the rear side of the placing plate 11, the translation rod 25 is connected with the fixing column 30 in a sliding manner, key slots 36 are formed in the left and right sides of the translation rod 25, a sliding rod 37 is connected with the key slots 36 in a sliding manner, a connecting frame 22 is arranged on the upper part of the rear side of the placing plate 11, an adjusting worm 33 is rotated on the upper side of the connecting frame 22, a rotating head 5 is fixedly connected to the left side of the adjusting worm 33, an adjusting worm wheel 35 is connected to the lower side of the adjusting worm 33 in a meshing manner, a cylindrical cam 34 is fixedly connected to the middle part of the adjusting worm wheel 35, the cylindrical cam 34 is connected with the placing plate 11 in a rotating manner, a short rod 39 is connected to the lower side of the cylindrical cam 34 in a meshing manner, the short rod 39 is fixedly connected with the translation rod 25, and the fixing column 30 is fixedly connected with the connecting frame 22.

By adjusting the rotating head 5, the rotating head 5 drives the worm to rotate, the worm drives the adjusting worm wheel 35 to rotate, the adjusting worm wheel 35 drives the cylindrical cam 34 to rotate, the cylindrical cam 34 drives the short rod 39 to move in the up-down direction, the short rod 39 drives the translation rod 25 to move in the up-down direction along the fixed column 30, the translation rod 25 further drives the sliding rod 37 to move in the up-down direction, and the sliding rod 37 drives the first connecting rod 26 to rotate along the arc-shaped groove 32, so that a proper and accurate lying angle is selected for a patient.

Elevating system 14 include with lifting screw 54 downside rotates turning block 56 of connecting, open slot has been opened to bottom plate 1 front side, open slot inner wall rear side fixedly connected with minor axis 61, turning block 56 with minor axis 61 rotates and connects, 2 upside fixedly connected with bracing pieces on the support floor, the bracing piece left and right sides all rotates and is connected with horizontal pole 58, place the equal fixedly connected with connecting plate 59 of board 11 downside left and right sides, crane 57 rear side with connecting plate 59 is articulated, horizontal pole 58 right side with connecting plate 59 is articulated.

The adjusting disc 6 rotates to drive the lifting screw rod 54 to rotate, the lifting screw rod 54 is in threaded connection with the matching plate 55, the rotating block 56 is connected with the short shaft 61 in a rotating mode, the lifting frame 57 is further driven to rotate along the connecting portion of the supporting rib plate 2, and the cross rod 58 and the lifting frame 57 are of a parallelogram structure, so that the placing plate 11 is adjusted to a position with a proper height, the device is convenient to fold when not used, and the space occupied on the emergency ambulance is reduced.

Adjust pole 57 left end fixed connection's ratchet 42, the meshing of ratchet 42 upside is connected with the gear shaping, gear shaping upside fixedly connected with inserted bar 40, casing 12 left side fixed connection division slotted lagging 41, inserted bar 40 with lagging 41 sliding connection, adjust pole 57 left side fixedly connected with wind spring 43, wind spring 43 upper end with casing 12 fixed connection, the equal fixedly connected with in the upper portion of the left and right sides of inserted bar 40 stretches the spring, stretch draw the spring lower extreme with lagging 41 fixed connection.

When the bound sector plate 18 needs to be folded, the inserted rod 40 is pulled upwards, the inserted teeth are meshed with the ratchet wheel 42, the adjusting rod 57 rotates reversely under the action of the coil spring 43, and the bound sector plate 18 is folded.

12 rear side fixedly connected with push rod 3 of casing, a plurality of first belts 4 that distribute evenly of back fixedly connected with in service creeper left side, a plurality of second belts 10 that distribute evenly of back fixedly connected with in service creeper right side, 4 upsides of first belts are provided with

pin thread

15, 10 upside fixedly connected with box 16 in second belt, 1 downside fixedly connected with a plurality of universal wheels 7 that distribute evenly of bottom plate.

The push rod 3 is convenient to move; according to patient's needs, conveniently adjust pin thread 15 is in the position of first belt 4 uses through the cooperation of pin thread 15 and box 16, is convenient for fix patient's upper part of the body.

When the medical bed is used, firstly, medical staff rotates the adjusting disk 6 according to the requirements of a patient, the upper body of the patient is placed at the position of the lying plate after the placing plate 11 is adjusted to the proper height through the transmission of the lifting mechanism 14 through the rotation of the adjusting disk 6, the legs of the patient are placed at the position of the bound fan-shaped plate 18 and fixed, and the lying plate is adjusted to the proper angle according to the requirements of the illness state of the patient, so that the upper body of the patient is fixed conveniently.

Although the terms bottom plate 1, support rib 2, push rod 3, first belt 4, swivel 5, adjustment disk 6, universal wheel 7, hand lever 8, turning handle 9, second belt 10, placement plate 11, housing 12, folding mechanism 13, lifting mechanism 14, male buckle 15, female buckle 16, turnover mechanism 17, restraint sector plate 18, auxiliary rib 19, fixed plate 20, adjustment screw 21, attachment bracket 22, turnover plate 23, moving plate 24, translation rod 25, first link 26, slider 27, second link 28, inverted T-shaped plate 29, fixed post 30, arc plate 31, arc groove 32, adjustment worm 33, cylindrical cam 34, adjustment worm wheel 35, key slot 36, slide rod 37, short groove 38, short rod 39, insertion rod 40, collar 41, ratchet 42, coil spring 43, square plate 44, third link 45, folding rod 46, semilunar plate 47, strap 48, fixed rod 49, long rod 50, fixed rib 51, limit rod 52, fixed rib 53, lifting screw 54, lifting screw 56, lifting block 55, lifting block 44, third link 45, folding rod 46, half-bar 59, and the like are used more herein, the possibility is excluded from other terms of using cross bar 61, extension rod 59, and the term. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation in any way whatsoever, the spirit of the present invention.

Claims

1. A limb fixation device for a patient with pre-hospital fracture, comprising: comprises a bottom plate (1), a supporting rib plate (2) is fixedly connected with the left side and the right side of the front part of the upper side of the bottom plate (1), the middle part of the left side of the support rib plate (2) is rotationally connected with a lifting frame (57), the middle part of the left side of the lifting frame (57) is rotationally connected with a matching plate (55), the middle side of the matching plate (55) is connected with a lifting screw (54) in a threaded manner, an adjusting disc (6) is fixedly connected on the upper side of the lifting screw rod (54), the upper part of the right side of the lifting frame (57) is provided with a lifting mechanism (14), a placing plate (11) is arranged on the upper side of the lifting mechanism (14), the rotation of the adjusting disc (6) forms a structure that the placing plate (11) moves up and down, the upper side of the placing plate (11) is fixedly connected with a hollow shell (12), the rear part of the right side of the shell (12) is fixedly connected with an auxiliary ribbed plate (19), the upper side of the auxiliary rib plate (19) is connected with a moving plate (24) in a sliding way, a turnover mechanism (17) is arranged at the front side of the moving plate (24), the upside of the turnover mechanism (17) is provided with a turnover plate (23), the front side of the turnover plate (23) is fixedly connected with a lying plate, the right side of the turnover mechanism (17) is provided with a rotating handle (9), the rotation of the rotating handle (9) forms a structure that the turnover plate (23) is turned to a certain angle; the rear side of the shell (12) is rotatably connected with an adjusting rod (57), the middle side of the adjusting rod (57) is fixedly connected with a rocking handle (62), the lower side of the rocking handle (62) is fixedly connected with a rocking rod (8), the upper side of the rocking handle (62) is hinged with a long rod (50), the front side of the long rod (50) is provided with a folding mechanism (13), the left side and the right side of the folding mechanism (13) are respectively provided with a folding rod (46), and the upper side of the folding rod (46) is respectively fixedly connected with a binding sector plate (18); the rotation of the hand lever (8) forms a structure that the two binding sector plates (18) are simultaneously opened outwards or folded inwards.

2. A limb immobilization apparatus for use in a patient with pre-hospital fracture as claimed in claim 1 wherein: the turnover mechanism (17) comprises an adjusting screw (21) fixedly connected with the rotating handle (9), the right side of the upper part of the auxiliary rib plate (19) is fixedly connected with a fixed plate (20), the adjusting screw (21) is in threaded connection with the fixed plate (20), the adjusting screw (21) is rotatably connected with the movable plate (24), the auxiliary rib plate (19) is provided with a chute, the movable plate (24) is in sliding connection with the chute, the front side and the rear side of the movable plate (24) are respectively hinged with a first connecting rod (26), the inside of the left side of the first connecting rod (26) is respectively hinged with the turnover plate (23), the lower parts of the left side and the right side of the turnover plate (23) are respectively and fixedly connected with an extension plate (60), the upper part of the rear side of the placing plate (11) is fixedly connected with an inverted T-shaped plate (29), the front side and the rear side of the middle part of the upside of the inverted T-shaped plate (29) are respectively hinged with a second connecting rod (28), the middle side of the second connecting rod (28) is respectively and slidably connected with a sliding blocks (27), the outer side of each sliding block (27) is respectively hinged with the extension plate (60), the left side of each T-shaped plate (29), the left side of the inverted arc-shaped plate (31) is respectively connected with a short groove (38), the middle side of the arc-shaped plate (31), the second short groove (38) is respectively provided with a short groove (38), the two sliding rods (37) are in sliding connection with the short grooves (38), and adjusting mechanisms are arranged on the rear sides of the sliding rods (37).

3. A limb immobilization device for use in patients with pre-hospital fractures as claimed in claim 2 wherein: folding mechanism (13) include with equal fixed connection's in the left and right sides dead lever (49) of casing (12), dead lever (49) medial side all rotates and is connected with lantern ring (53), lantern ring (53) equal fixedly connected with meniscus (47) of upside, meniscus (47) upside all with folding rod (46) fixed connection, folding rod (46) inboard all articulates there is third connecting rod (45), stock (50) front end fixedly connected with hollow square board (44), third connecting rod (45) all with square board (44) are articulated, place board (11) front side left and right sides all fixedly connected with fixed ribbed plate (51), dead lever (49) all with fixed ribbed plate (51) fixed connection, fixed ribbed plate (51) inboard rear portion all fixedly connected with gag lever post (52), the equal fixedly connected with constraint area (48) of the front and back side of the left and right sides of constraint sector plate (18).

4. A limb immobilization device for use in patients with pre-hospital fractures as claimed in claim 1 wherein: the adjusting mechanism comprises a fixing column (30) fixedly connected with the left portion and the right portion of the rear side of the placing plate (11), a translation rod (25) is arranged on the upper portion of the rear side of the placing plate (11), the translation rod (25) is connected with the fixing column (30) in a sliding mode, key grooves (36) are formed in the left side and the right side of the translation rod (25), a sliding rod (37) is connected with the key grooves (36) in a sliding mode, a connecting frame (22) is arranged on the upper portion of the rear side of the placing plate (11), an adjusting worm (33) is rotated on the upper side of the connecting frame (22), a rotating head (5) is fixedly connected to the left side of the adjusting worm (33), an adjusting worm wheel (35) is meshed with the lower side of the adjusting worm (33), a cylindrical cam (34) is fixedly connected to the middle of the adjusting worm wheel (35), the cylindrical cam (34) is rotatably connected with the placing plate (11), a short rod (39) is meshed with the lower side of the cylindrical cam (34), the short rod (39) is fixedly connected with the translation rod (25), and the fixing column (30) is fixedly connected with the connecting frame (22).

5. A limb immobilization device for use in patients with pre-hospital fractures as claimed in claim 1 wherein: elevating system (14) include with lifting screw (54) downside rotates turning block (56) of connecting, bottom plate (1) front side is opened there is the open slot, open slot inner wall rear side fixedly connected with minor axis (61), turning block (56) with minor axis (61) rotate to be connected, support floor (2) upside fixedly connected with bracing piece, the equal fixedly connected with connecting plate (59) of the portion about board (11) downside is placed, crane (57) rear side with connecting plate (59) are articulated, horizontal pole (58) right side with connecting plate (59) are articulated.

6. A limb immobilization apparatus for use in a patient with pre-hospital fracture as claimed in claim 1 wherein: adjust pole (57) left end fixed connection's ratchet (42), ratchet (42) upside meshing is connected with the gear shaping, gear shaping upside fixedly connected with inserted bar (40), casing (12) left side fixed connection division slotted lagging (41), inserted bar (40) with lagging (41) sliding connection, adjust pole (57) left side fixedly connected with wind spring (43), wind spring (43) upper end with casing (12) fixed connection, the equal fixedly connected with of inserted bar (40) left and right sides upper portion stretches the spring, stretch the spring lower extreme with lagging (41) fixed connection.

7. A limb immobilization device for use in patients with pre-hospital fractures as claimed in claim 1 wherein: casing (12) rear side fixedly connected with push rod (3), a plurality of first belts (4) that distribute evenly of service creeper left side front and back fixedly connected with, a plurality of second belts (10) that distribute evenly of service creeper right side front and back fixedly connected with, first belt (4) upside is provided with pin thread (15), second belt (10) upside fixedly connected with box (16), a plurality of universal wheels (7) that distribute evenly of bottom plate (1) downside fixedly connected with.