CN114470430A

CN114470430A - Fixer for paediatrics convenient to intravenous route

Info

Publication number: CN114470430A
Application number: CN202210090647.2A
Authority: CN
Inventors: 王海蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-13

Abstract

The invention relates to a fixer, in particular to a fixer for pediatrics, which is convenient for intravenous injection. The pediatric fixator convenient for intravenous injection is adaptive and adjustable according to hands of children, facilitates skin test of the children, and is convenient for intravenous injection operation. The invention provides a fixer for pediatrics, which is convenient for intravenous injection, and comprises a first support plate, a screw rod, a guide rod, a second support plate, a base plate and the like, wherein the screw rod penetrates through the left part of the first support plate in a rotating manner, the guide rod is connected to the right part of the first support plate, the second support plate is sleeved between the guide rod and the front part of the screw rod and is matched with the guide rod in a sliding manner, the second support plate is in threaded fit with the screw rod, and the base plate is connected to the upper side of the front part of the first support plate. Through the rotating turret rotary type, can make things convenient for children to carry out the skin test, can adjust the distance of two silica gel boards through the screw rod with children's arm elasticity well through adjustable silica gel board to this has made things convenient for intravenous injection's operation.

Description

Fixer for paediatrics convenient to intravenous route

Technical Field

The invention relates to a fixer, in particular to a fixer for pediatrics, which is convenient for intravenous injection.

Background

Intravenous injection is a common administration route in medical treatment methods, and during intravenous injection, a needle is inserted into a vein of a human body, and then liquid substances such as blood, liquid medicine, nutrient solution and the like are directly injected to quickly supplement the lost liquid or blood of the body and provide special nutrient input. When children carry out intravenous route, because most children see that the syringe needle all produces fear psychology and the cold falling of weather leads to body temperature etc. these factors all can make vasoconstriction, influence children's infusion, and some children of transferring the skin are because the age is less, self-control power is not strong etc. hand and foot are in disorder when intravenous route, this can lead to the syringe needle to drop, serious can lead to the blood vessel to be pierced by the syringe needle, light then influence the treatment, heavy then can increase children's pain, consequently, need use the fixer to fix children's arm.

According to patent grant publication No. CN 211912366U's a paediatrics with transfusion system convenient to it is fixed relates to infusion fixer technical field, this paediatrics with transfusion system convenient to it is fixed, including the fixed plate, be provided with magic subsides and solid fixed ring on the fixed plate, and solid fixed ring activity cup joints the surface of pasting at the magic, one side that the fixed plate corresponds the magic and is provided with knitted fabric cover, the both sides of fixed plate all set up couple one, the tip of fixed plate is provided with couple two, the fixed plate through couple one and couple two with knitted fabric cover swing joint, knitted fabric cover's middle part is provided with the zip fastener, be provided with the through-hole on the fixed plate. The hand of the child is cushioned through the backing plate, so that the child is more comfortable, muscle soreness of the hand is avoided, the tightness of the arm of the child can be well achieved through the adjustable silica gel plate, and the intravenous injection operation is facilitated.

Above-mentioned paediatrics is with transfusion system convenient to it is fixed when carrying out intravenous injection to children, children's hand is placed inside knitting cloth cover, and knitting cloth cover is pulled up to rethread zip fastener to this makes children's hand fixed, and this kind of method is because knitting cloth cover size is limited, consequently can't adapt to the regulation according to children's hand, also does not make things convenient for children to do the skin test, and children's hand is sheltered from, if take place the difficult discovery of abnormal conditions such as allergy, the operation of intravenous injection is also inconvenient.

According to the shortcoming that exists among the above-mentioned prior art, the paediatrics that adapts to according to children's hand that can overcome above-mentioned prior art shortcoming is designed out very much and is adjusted, makes things convenient for children to do the skin test, and intravenous injection's operation is comparatively convenient is used fixer of intravenous injection.

Disclosure of Invention

In order to overcome the defects that the prior art cannot be adaptively adjusted according to the hands of children, the children are inconvenient to conduct skin tests, and the intravenous injection operation is inconvenient, the invention aims to solve the technical problem of providing the pediatric fixator which is convenient for intravenous injection, is adaptively adjusted according to the hands of the children, is convenient for the children to conduct skin tests, and is convenient for the intravenous injection operation.

In order to solve the technical problem, the invention provides a fixer for pediatrics convenient for intravenous injection, which comprises a first support plate, a screw rod, a guide rod, a second support plate, a backing plate, a binding mechanism and an adjusting mechanism, wherein the screw rod is rotatably penetrated through the left part of the first support plate, the guide rod is connected to the right part of the first support plate, the second support plate is sleeved between the guide rod and the front part of the screw rod and is in sliding fit with the guide rod, the second support plate is in threaded fit with the screw rod, the backing plate is connected to the upper side of the front part of the first support plate, the binding mechanism is arranged between the first support plate and the second support plate, and the adjusting mechanism is arranged on the binding mechanism.

Preferably, the binding mechanism comprises a rotating frame, sliding blocks, a silica gel plate, a first return spring, a second return spring and a mounting frame, wherein an arc-shaped cavity is formed in the first support plate, the rotating frame is rotatably arranged in the arc-shaped cavity, a semicircular connecting plate capable of being in contact with the first support plate is connected to the front side of the left part of the rotating frame, the second return spring is connected between the semicircular connecting plate and the first support plate, the second return spring is arranged in an arc shape, the mounting frame is connected to the upper side of the second support plate, sliding grooves are formed in the outer sides of the upper parts of the mounting frame and the rotating frame respectively, the sliding blocks are arranged on the left side and the right side of each sliding groove in a sliding mode, the silica gel plate is connected between the two sliding blocks, the silica gel plates on the front side and the rear side respectively penetrate through the mounting frame and the rotating frame in a sliding mode, and a first return spring is connected between the silica gel plate and the inner side walls of the mounting frame and the rotating frame respectively.

Preferably, adjustment mechanism is including the mounting panel, first coupling spring, the elasticity cardboard, stripper plate and latch, equal bilateral symmetry formula is equipped with the latch on the wall of both sides around the spout, be connected with the mounting panel on the inside wall of sliding block middle part, the mounting panel left and right sides all is connected with first coupling spring, one that two first coupling spring leave is served and all is connected with the elasticity cardboard that can contact with the latch, all be connected with the stripper plate with sliding type contact of sliding block on two opposite sides of elasticity cardboard.

Preferably, still including fixed establishment, fixed establishment is including fixture block, carriage, third reset spring and stay cord, and the carriage lower part left and right sides all is connected with the fixture block, and the equal slidingtype in arc chamber left and right sides is equipped with the carriage that can contact with the fixture block, and two carriages are bilateral symmetry formula setting, are connected with third reset spring between carriage and the second extension board, are connected with the stay cord between the sliding block in the place ahead and the carriage of homonymy, and the slidingtype of stay cord runs through in the second extension board.

Preferably, still including heating mechanism, heating mechanism is connected with the dwang including dwang, articulated slab, torsional spring and heating ring, mounting bracket upper portion front side, and the pivoted wheel is last to rotate the formula cover and is equipped with two articulated slabs, is connected with the torsional spring between articulated slab and the dwang, and the torsional spring is around establishing in the dwang outside, and the articulated slab downside is connected with the heating ring, and two heating rings are bilateral symmetry formula setting.

Preferably, the clamping device comprises a clamping mechanism, the clamping mechanism comprises a sliding block, a guide rail plate, clamping plates and a bidirectional screw rod, the sliding block is symmetrically arranged on one side, away from the first support plate, of the second support plate, the guide rail plate is slidably arranged on the left side and the right side of the sliding block, the clamping plates are slidably arranged on the front sides of the guide rail plate, the bidirectional screw rod penetrates through the two clamping plates in a rotating mode, and the bidirectional screw rod is in threaded fit with the clamping plates.

Preferably, the storage mechanism comprises a second connecting spring, a clamping rod, a fourth return spring and a storage box, the storage box is arranged on the second support plate in a sliding mode, the fourth return spring is connected between the storage box and the second support plate, the clamping rod capable of contacting with the storage box is arranged on the second support plate in a sliding mode, and the second connecting spring is connected between the clamping rod and the first support plate.

Preferably, the backing plate is sleeved with a silica gel pad.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. be provided with the rotating turret through the rotary type, can make things convenient for children to carry out the skin test, can adjust the distance of two silica gel boards through the screw rod with children's arm elasticity well through adjustable silica gel board to this has made things convenient for intravenous injection's operation.

2. The infusion tube is clamped by the heating ring and is heated, and then the heated liquid is injected into the body of the child, so that the child can adapt to the infusion tube better and the adverse reaction is reduced.

3. The clamping plates on the front side and the rear side are driven by the bidirectional screw rod to move in opposite directions, so that the clamping plates are clamped on the bed frame, the intravenous injection operation is more stable, and the superiority is increased.

4. Through the bin that is provided with the pull formula, when carrying out intravenous route, the bin can move right automatically through the effect that fourth reset spring resets and open to this has made things convenient for the doctor to take article.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the clamping mechanism of the present invention.

Fig. 3 is a schematic perspective view of the heating mechanism of the present invention.

Fig. 4 is a partial perspective view of the present invention.

Fig. 5 is a schematic view of a first partially assembled configuration of a restraining mechanism and securing mechanism according to the present invention.

Fig. 6 is a schematic perspective view of a portion of the adjustment mechanism and the restraint mechanism of the present invention.

Fig. 7 is a schematic view of a second partially integral construction of a restraining mechanism and securing mechanism according to the invention.

Figure 8 is a perspective view of a third portion of the restraining mechanism and securing mechanism of the present invention.

FIG. 9 is a schematic view of a first partially assembled body structure of the storage mechanism of the present invention.

FIG. 10 is a schematic view of a second partially assembled body structure of the storage mechanism of the present invention.

The symbols in the drawings are: 1-a first support plate, 11-a screw, 12-a guide rod, 2-a second support plate, 3-a backing plate, 4-a binding mechanism, 41-a rotating frame, 42-a sliding block, 43-a silicon plate, 44-a first return spring, 45-a second return spring, 46-a mounting frame, 5-an adjusting mechanism, 51-a mounting plate, 52-a first connecting spring, 53-an elastic clamping plate, 54-a squeezing plate, 55-a latch, 6-a fixing mechanism, 61-a clamping block, 62-a sliding frame, 63-a third return spring, 64-a pull rope, 7-a heating mechanism, 71-a rotating rod, 72-a hinging plate, 73-a torsion spring, 74-a heating ring, 8-a clamping mechanism, 81-a sliding block and 82-a guide rail plate, 83-clamp plate, 84-bidirectional screw rod, 9-storage mechanism, 91-second connecting spring, 92-clamping rod, 93-fourth return spring and 94-storage box.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides a fixer for paediatrics convenient to intravenous route, as shown in fig. 1, fig. 4, fig. 5 and fig. 6, including first extension board 1, screw rod 11, guide arm 12, second extension board 2, backing plate 3, constraint mechanism 4 and adjustment mechanism 5, screw rod 11 has been run through to first extension board 1 left part rotary type, first extension board 1 right part bolt has guide arm 12, the cover is equipped with second extension board 2 between guide arm 12 and the screw rod 11 front portion, second extension board 2 and guide arm 12 slidingtype cooperation, second extension board 2 and the screw rod 11 screw thread formula cooperation, backing plate 3 has been bolted to first extension board 1 front portion upside, the cover is equipped with the silica gel pad on backing plate 3, can play anti-skidding effect, be provided with constraint mechanism 4 between first extension board 1 and the second extension board 2, be provided with adjustment mechanism 5 on the constraint mechanism 4.

As shown in fig. 5 and 6, the binding mechanism 4 includes a rotating frame 41, sliding blocks 42, a silicon plate 43, a first return spring 44, a second return spring 45 and a mounting frame 46, the first support plate 1 is provided with an arc-shaped cavity, the rotating frame 41 is rotatably provided on the arc-shaped cavity, a semicircular connecting plate capable of contacting with the first support plate 1 is bolted on the front side of the left portion of the rotating frame 41, the second return spring 45 is connected between the semicircular connecting plate and the first support plate 1, the second return spring 45 is arranged in an arc shape, the mounting frame 46 is welded on the upper side of the second support plate 2, sliding grooves are respectively provided on the outer sides of the upper portions of the mounting frame 46 and the rotating frame 41, the sliding blocks 42 are respectively provided on the left and right sides of the sliding grooves, the two sliding blocks 42 are arranged in a bilateral symmetry manner, the silicon plate 43 is bolted between the two sliding blocks 42, the silicon plates 43 on the front and rear sides respectively penetrate through the mounting frame 46 and the mounting frame 41 in a sliding manner, and a first return spring 44 is connected between the silica gel plate 43 and the inner side walls of the mounting frame 46 and the rotating frame 41 respectively.

As shown in fig. 6, the adjusting mechanism 5 includes a mounting plate 51, first connecting springs 52, elastic clamping plates 53, extruding plates 54 and latch 55, the latch 55 is disposed on the front and rear side walls of the sliding groove in a bilateral symmetry manner, the mounting plate 51 is bolted to the inner side wall of the middle portion of the sliding block 42, the first connecting springs 52 are connected to the left and right sides of the mounting plate 51, the elastic clamping plates 53 capable of contacting with the latch 55 are connected to the ends of the two first connecting springs 52, and the extruding plates 54 in sliding contact with the sliding block 42 are connected to the opposite sides of the two elastic clamping plates 53.

Firstly, the back of the hand of the child is upward, the arm sequentially passes through the mounting frame 46 and the rotating frame 41, the operator pulls the two rear sliding blocks 42 upwards, the sliding block 42 moves upwards to pull the silicone plate 43 to move downwards, the first return spring 44 stretches, the silicone plate 43 moves downwards to surround the arm of the child, meanwhile, the sliding block 42 also drives the elastic clamping plate 53 to move upwards, the elastic clamping plate 53 is contacted with the clamping teeth 55, each time the sliding block 42 moves upwards for a certain distance, the elastic clamping plate 53 is clamped at different positions on the clamping teeth 55, so that the arm of the child can be clamped by the rear silicone plate 43, the operator rotates the screw rod 11 clockwise, because the rear silicone plate 43 is clamped on the arm of the child, the screw rod 11 can make the second support plate 2 move forwards along the arm of the child, so as to adjust according to the length of the arm of the child, the child needs to perform a skin test on the child before intravenous injection, at the moment, the child turns over the arm clockwise according to the own visual angle, so that the palm of the hand is upward, the arm can drive the rotating frame 41 to rotate clockwise through the rear silica gel plate 43, the rotating frame 41 can drive the semicircular connecting plate to rotate clockwise, the second return spring 45 is compressed, the operator further pulls the two front sliding blocks 42 upwards to enable the silica gel plate 43 to clamp the arm of the child, so that the arm of the child can be fixed, at the moment, the doctor can perform a skin test operation, after the skin test is completed, the operator presses the two extrusion plates 54 on the same sliding block 42 of the two front sliding blocks 42 in opposite directions, the extrusion plates 54 can drive the elastic clamping plate 53 to move in a direction close to the mounting plate 51, the first connecting spring 52 is compressed, the elastic clamping plate 53 can move to be separated from the clamping teeth 55, the first return spring 44 is reset, so that the silica gel plate 43 in front can move upwards under the reset action of the first return spring 44 to release the arm of the child, the arm is turned over counterclockwise again by the child, the second return spring 45 is reset, before intravenous injection is started, the operator enables the front elastic clamping plate 53 to clamp the arm of the child again, so that the arm of the child can be fixed, the intravenous injection operation is assisted, after intravenous injection is finished, the operator presses the two extrusion plates 54 on the same sliding block 42 in opposite directions, the two silica gel plates 43 move upwards under the reset action of the first return spring 44 to release the arm of the child, then the operator rotates the screw rod 11 anticlockwise, the screw rod 11 enables the first supporting plate 1 to move forwards to reset, the child can move the arm out of the rotating frame 41 and the mounting frame 46 sequentially at the moment, the operator releases the extrusion plates 54, and the first connecting spring 52 resets accordingly.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 7 and 8, the fixing device 6 further includes a fixing mechanism 6, the fixing mechanism 6 includes a fixture block 61, a sliding frame 62, a third return spring 63 and a pull rope 64, the fixture block 61 is bolted to the left and right sides of the lower portion of the rotating frame 41, the sliding frames 62 capable of contacting with the fixture block 61 are slidably disposed on the left and right sides of the arc-shaped cavity, the two sliding frames 62 are disposed in bilateral symmetry, the third return spring 63 is connected between the sliding frame 62 and the second support plate 2, the pull rope 64 is connected between the front sliding block 42 and the sliding frame 62 on the same side, and the pull rope 64 slidably penetrates through the second support plate 2.

Before the hand of the child is back-up for intravenous injection, the operator rotates the screw rod 11 clockwise, the second support plate 2 is far away from the first support plate 1, the sliding block 42 on the mounting frame 46 tensions the pull rope 64, the operator moves the front sliding block 42 upwards to enable the front silica gel plate 43 to fix the hand of the child, the front sliding block 42 moves upwards to pull the sliding frame 62 forwards, the third return spring 63 is compressed, the sliding frame 62 moves forwards to block the clamping block 61, the rotating frame 41 is fixed by the fixture block 61, so that the arm of the child is prevented from rotating when the intravenous injection is performed, after the intravenous injection is completed, the front slide block 42 is reset to enable the front silica gel plate 43 to release the hand of the child, the operator rotates the screw rod 11 anticlockwise to enable the second support plate 2 to be reset, the front slide block 81 releases the pull rope 64, the third return spring 63 is reset, and the sliding frame 62 moves backwards to release the clamping block 61 under the reset effect of the third return spring 63.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and fig. 3, the heating device 7 is further included, the heating device 7 includes a rotating rod 71, hinge plates 72, torsion springs 73 and heating rings 74, the rotating rod 71 is welded on the front side of the upper portion of the mounting frame 46, the two hinge plates 72 are rotatably sleeved on the rotating rod 71, the torsion springs 73 are connected between the hinge plates 72 and the rotating rod 71, the torsion springs 73 are wound outside the rotating rod 71, the heating rings 74 are bolted on the lower sides of the hinge plates 72, and the two heating rings 74 are arranged in a left-right symmetrical manner.

Before intravenous injection, an operator presses the two hinged plates 72 in opposite directions, the torsion spring 73 deforms, the two hinged plates 72 respectively drive the heating rings 74 connected with the hinged plates to rotate by taking the rotating rod 71 as an axis, so that the two heating rings 74 are separated, the operator places the infusion tube between the two heating rings 74, the two hinged plates 72 are loosened, the torsion spring 73 resets, the hinged plates 72 reset under the action of the reset of the torsion spring 73, the two heating rings 74 clamp the infusion tube along with the reset, and the heating rings 74 are started, so that the infusion tube can be heated.

Example 4

On the basis of embodiment 3, as shown in fig. 1 and fig. 2, the clamping device 8 further includes a clamping mechanism 8, the clamping mechanism 8 includes a sliding block 81, a guide rail plate 82, a clamping plate 83 and a bidirectional screw 84, the sliding block 81 is symmetrically disposed on a side of the first support plate 1 away from the second support plate 2 in a screw connection manner, the guide rail plate 82 is slidably disposed on the left and right sides of the sliding block 81, the clamping plate 83 is slidably disposed on the front side of the guide rail plate 82, the bidirectional screw 84 is rotatably inserted between the two clamping plates 83, and the bidirectional screw 84 is in threaded engagement with the clamping plate 83.

The operator rotates the bidirectional screw 84 clockwise, the bidirectional screw 84 moves the clips 83 on the front and rear sides in opposite directions, the clips 83 on the left and right sides hold the frame, the device can be fixed to the frame or other places by the clips 83, and the operator rotates the bidirectional screw 84 counterclockwise, and the clips 83 on the front and rear sides can be released from the frame.

Example 5

In addition to embodiment 4, as shown in fig. 1, 9 and 10, the storage mechanism 9 further includes a storage mechanism 9, the storage mechanism 9 includes a second connection spring 91, a lock rod 92, a fourth return spring 93 and a storage box 94, the storage box 94 is slidably disposed on the second strip 2, the fourth return spring 93 is connected between the storage box 94 and the second strip 2, the lock rod 92 capable of contacting with the storage box 94 is slidably disposed on the second strip 2, and the second connection spring 91 is connected between the lock rod 92 and the first strip 1.

When the second support plate 2 is far away from the first support plate 1, the storage box 94 can also be separated from the clamping rod 92, the second connecting spring 91 is reset, the clamping rod 92 releases the storage box 94, the fourth return spring 93 is reset, the storage box 94 moves rightwards under the reset action of the fourth return spring 93, the storage box 94 can be used for storing medical articles, then an operator presses the storage box 94 leftwards, the fourth return spring 93 compresses, when the second support plate 2 is close to the first support plate 1, the storage box 94 can contact the clamping rod 92, the second connecting spring 91 compresses, the clamping rod 92 clamps the storage box 94, and therefore the storage box 94 can be folded.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fixer for pediatrics convenient for intravenous injection comprises a first support plate (1), a screw rod (11), a guide rod (12), a second support plate (2) and a backing plate (3), wherein the screw rod (11) penetrates through the left part of the first support plate (1) in a rotating mode, the guide rod (12) is connected to the right part of the first support plate (1), the second support plate (2) is sleeved between the guide rod (12) and the front part of the screw rod (11), the second support plate (2) is matched with the guide rod (12) in a sliding mode, the second support plate (2) is matched with the screw rod (11) in a threaded mode, the backing plate (3) for supporting hands is connected to the upper side of the front part of the first support plate (1), the hand-operated hand-.

2. The fixer for pediatrics convenient for intravenous injection according to claim 1, characterized in that the binding mechanism (4) comprises a rotating frame (41), a sliding block (42), a silicone plate (43), a first return spring (44), a second return spring (45) and a mounting frame (46), the first support plate (1) is provided with an arc-shaped cavity, the rotating frame (41) is rotatably arranged in the arc-shaped cavity, a semicircular connecting plate capable of contacting with the first support plate (1) is connected to the front side of the left portion of the rotating frame (41), the second return spring (45) for returning the rotating frame (41) is connected between the semicircular connecting plate and the first support plate (1), the second return spring (45) is arc-shaped, the mounting frame (46) is connected to the upper side of the second support plate (2), sliding grooves are respectively formed in the outer sides of the upper portions of the mounting frame (46) and the rotating frame (41), and the sliding blocks (42) are respectively slidably arranged on the left side and the right side of the sliding groove, two sliding blocks (42) are bilateral symmetry formula setting, are connected with between two sliding blocks (42) and are used for blocking silica gel board (43) of hand, and silica gel board (43) of front and back both sides are slidingtype respectively and are run through in mounting bracket (46) and rotating turret (41), and silica gel board (43) respectively with be connected with first reset spring (44) between the inside wall of mounting bracket (46) and rotating turret (41).

3. The fixer for pediatrics convenient for intravenous injection as claimed in claim 2, wherein the adjusting mechanism (5) comprises a mounting plate (51), a first connecting spring (52), elastic clamping plates (53), squeezing plates (54) and clamping teeth (55), the clamping teeth (55) are symmetrically arranged on the front and rear side walls of the sliding groove, the mounting plate (51) used for mounting the component is connected to the inner side wall of the middle of the sliding block (42), the first connecting spring (52) used for elastic connection is connected to the left and right sides of the mounting plate (51), the elastic clamping plates (53) capable of contacting with the clamping teeth (55) are connected to the ends of the two first connecting springs (52) which are separated from each other, and the squeezing plates (54) in sliding contact with the sliding block (42) are connected to the opposite sides of the two elastic clamping plates (53).

4. The fixer for pediatrics convenient for intravenous injection as claimed in claim 3, further comprising a fixing mechanism (6) for fixing the rotating rack (41), wherein the fixing mechanism (6) comprises a fixture block (61), a sliding rack (62), a third return spring (63) and a pull rope (64), the fixture block (61) is connected to the left and right sides of the lower portion of the rotating rack (41), the sliding racks (62) capable of contacting with the fixture block (61) are slidably arranged on the left and right sides of the arc-shaped cavity, the two sliding racks (62) are arranged in bilateral symmetry, the third return spring (63) is connected between the sliding rack (62) and the second support plate (2), the pull rope (64) for transmitting power is connected between the sliding block (42) in front and the sliding rack (62) on the same side, and the pull rope (64) slidably penetrates through the second support plate (2).

5. The fixer for paediatrics convenient to intravenous route of claim 4, characterized in that, still include heating mechanism (7) that is used for the infusion heating, heating mechanism (7) is including dwang (71), articulated slab (72), torsional spring (73) and heating ring (74), mounting bracket (46) upper portion front side is connected with dwang (71), the pivoted cover is equipped with two articulated slab (72) on dwang (71), be connected with torsional spring (73) between articulated slab (72) and dwang (71), torsional spring (73) are around establishing in the dwang (71) outside, articulated slab (72) downside is connected with heating ring (74) that are used for heating, two heating ring (74) are bilateral symmetry formula and set up.

6. The fixer for pediatrics convenient for intravenous injection according to claim 5, further comprising a clamping mechanism (8) for fixing the device, wherein the clamping mechanism (8) comprises a sliding block (81), a guide rail plate (82), a clamping plate (83) and a bidirectional screw rod (84), the sliding block (81) is symmetrically arranged on one side of the first support plate (1) and the second support plate (2) away from each other, the guide rail plate (82) is slidably arranged on the left side and the right side of the sliding block (81), the clamping plate (83) for clamping is slidably arranged on the front side of the guide rail plate (82), the bidirectional screw rod (84) for transmission is rotatably penetrated between the two clamping plates (83), and the bidirectional screw rod (84) is in threaded fit with the clamping plate (83).

7. The fixator for pediatrics convenient for intravenous injection according to claim 6, further comprising a storage mechanism (9) for storing and preventing articles, wherein the storage mechanism (9) comprises a second connecting spring (91), a clamping rod (92), a fourth return spring (93) and a storage box (94), the storage box (94) capable of placing articles is slidably arranged on the second support plate (2), the fourth return spring (93) is connected between the storage box (94) and the second support plate (2), the clamping rod (92) capable of contacting with the storage box (94) is slidably arranged on the second support plate (2), and the second connecting spring (91) is connected between the clamping rod (92) and the first support plate (1).

8. A pediatric fixator for facilitating intravenous injection according to claim 7 wherein the backing plate (3) is sleeved with a silicone pad.