CN113041062A - Pediatric injection fixing and pressure reducing device and using method thereof - Google Patents

Abstract

The invention discloses a pediatric injection fixing and pressure reducing device which can not cause severe resistance of children and can reduce tension sense during injection of the children and a using method thereof. The invention belongs to the technical field of pediatric injection diagnosis and treatment equipment, and particularly relates to a pediatric injection fixing pressure reducing device and a using method thereof.

Description

Pediatric injection fixing and pressure reducing device and using method thereof

Technical Field

The invention belongs to the technical field of pediatric injection diagnosis and treatment equipment, and particularly relates to a pediatric injection fixing pressure reduction device and a using method thereof.

Background

Pediatrics is a comprehensive medical science that comprehensively studies physical and mental development, health care and disease prevention and treatment in the pediatric period. Health and hygiene issues related to the childhood and adolescent age are all within the pediatric scope. The treated object is in growth and development stage. The task of pediatrics is to continuously explore the pediatric medical theory, reduce morbidity and mortality on the basis of practice, enhance the physique of children and teenagers, and improve the health care and disease prevention and treatment level of the children and the teenagers. Injection, which refers to the injection of liquid or gas into the human body by means of medical devices such as syringes, to achieve the purpose of diagnosis, treatment, and prevention of diseases. It is not the same as taking a medicine. The medicament can quickly reach blood and act after being injected. The injection modes commonly used include six injection modes, such as intradermal injection, subcutaneous injection, intramuscular injection, intravenous injection, arterial injection and intrathecal injection. During the injection, children observe that the syringe needle is inserted into the body to cause discomfort and panic of the children, the pain caused by the injection of the solvent into the body is amplified, the fear of the children is increased, in this case, the attention of the children is concentrated, and the local muscle contraction increases the friction between the syringe and the muscle to amplify the pain again.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides a pediatric injection fixation decompression device which can not cause the children to violently resist and can reduce the tension sense of the children during the injection period and a using method thereof, the comfort degree of the children in the lying state is improved by a curved child body supporting back cushion which is attached to the body of the children, the muscle tissue of the body of the children is relaxed, the tension sense of the children is alleviated, the arc-shaped supporting structure of the chest and the abdomen is beneficial to the lifting of the buttocks of the children, the selection of the buttocks injection part by an injector is convenient, the attraction of showing works such as animation and the like to the children is utilized, the children independently select a starting button to be grasped, the actions of the four limbs of the children are actively limited, the oppression sense of the children caused by using a forced fixation mode is avoided, the limit device at the back can effectively prevent the children from turning around to watch the injection, reduce the influence that children's muscle twitch brought the injection effect during the injection, avoid children to produce the fear psychology to the injection, help children to establish courage and confidence when injecting in the future, effectively solved current children on the existing market and injected the fixed pressure relief device inefficiency, and self structure is complicated, maintains comparatively inconvenient problem.

The technical scheme adopted by the invention is as follows: the invention discloses a pediatric injection fixing and pressure reducing device which comprises an attention dispersing device regulator, an attention dispersing device mover, an autonomous limiting four-limb control device, an anti-rotation control device, a muscle relieving device, an injection region searching device, an injection angle adjusting device and a medicament autonomous injection device, wherein the attention dispersing device mover is arranged on the muscle relieving device; muscle device of releiving includes bottom fixed plate, chest arc backup pad, belly arc recess plate, buttock arc backup pad, health front end support base, chest shock attenuation support sponge and lower body anti-skidding rubber pad, the bottom fixed plate links to each other with attention dispersion devices shifter, health front end support base locates on the bottom fixed plate, chest arc backup pad is located on the health front end support base, chest arc backup pad is located on the chest arc backup pad, buttock arc backup pad is located on the belly arc recess plate, chest shock attenuation support sponge is located on the chest arc backup pad, lower body anti-skidding rubber pad is located respectively on belly arc recess plate and buttock arc backup pad.

Further, attention dispersion devices shifter includes that first lead screw limiting plate, first lead screw give driving motor, first ball, first line type bearing, first block nut, regulation sliding tray and first lead screw work groove, it locates on the bottom fixed plate to adjust the sliding tray, first lead screw work groove is located on adjusting the sliding tray, first lead screw limiting plate is located on the first lead screw work groove, first lead screw is located on the first lead screw work groove for driving motor, first ball block rotates and locates on the first lead screw limiting plate, first lead screw links to each other with first ball for driving motor, first line type bearing is located on the first lead screw limiting plate, first block nut block slides and locates on the first line type bearing, first block nut block slides and locates on the first ball.

Further, the attention dispersing device adjuster comprises an adjusting sliding connection plate, a cylinder bottom limiting plate, a right-angle plate limiting support, a cylinder placing support, a display adjusting cylinder, a display placing right-angle plate, a cylinder pushing right-angle plate and a display player, wherein the adjusting sliding connection plate is arranged on a first clamping nut, the adjusting sliding connection plate is clamped and slidably arranged on an adjusting sliding groove, the cylinder bottom limiting plate is arranged on the adjusting sliding connection plate, the right-angle plate limiting support is arranged on the adjusting sliding connection plate, the cylinder placing support is clamped and rotatably arranged on the cylinder bottom limiting plate, the display adjusting cylinder is arranged on the cylinder placing support, the cylinder pushing right-angle plate is clamped and rotatably arranged on the right-angle plate limiting support, the display placing right-angle plate is connected with the cylinder pushing right-angle plate, the display player is arranged on the display placing right-angle plate, the cylinder pushes the right-angle plate to be hinged with the output end of the display adjusting cylinder.

Further, the autonomous limiting four-limb control device comprises a hand limiting handle, a handle connecting support, a hand pressing button, a foot limiting plate, a foot extruding push plate, a foot push plate clamping block, a foot push plate clamping groove, a foot extruding limiting spring and a foot pressing button, wherein the handle connecting support is clamped and rotatably arranged on the front end support base of the body, the hand limiting handle is arranged on the handle connecting support, the hand pressing button is arranged on the hand limiting handle, the foot limiting plate is arranged on the bottom fixing plate, the foot push plate clamping groove is arranged on the bottom fixing plate, the foot push plate clamping block is clamped and slidably arranged on the foot push plate clamping groove, the foot extruding push plate is arranged on the foot push plate clamping block, one end of the foot extruding limiting spring is arranged on the foot limiting plate, and the other end of the foot extruding limiting spring is arranged on the foot extruding push plate, the foot pressing button is arranged on the foot limiting plate.

Further, the anti-rotation control device comprises an arc-shaped fixed limiting plate, a telescopic air bag, a back limiting spring, an air bag push plate, a back push plate damping spring, an arc-shaped spring pressing plate, an arc-shaped fixed plate clamping block, an arc-shaped fixed plate clamping groove and an inflation air pump, wherein the arc-shaped fixed limiting plate is hinged with the bottom fixed plate, the telescopic air bag is arranged on the arc-shaped fixed limiting plate, the back limiting spring is arranged on the arc-shaped fixed limiting plate, the air bag push plate is arranged on the back limiting spring, the telescopic air bag is connected with the air bag push plate, the back push plate damping spring is arranged on the air bag push plate, the arc-shaped spring pressing plate is arranged on the back push plate damping spring, the arc-shaped fixed plate clamping block is arranged on the arc-shaped fixed limiting plate, the arc-shaped fixed, the inflation air pump is arranged on the bottom fixing plate.

Further, the injection region searching device comprises a gear power supply motor, a gear working groove, a rear power supply gear, a rack working groove, a rack clamping block, a rack connecting plate and a rear injection working plate, wherein the gear power supply motor is arranged on the bottom fixing plate, the gear working groove is arranged on the bottom fixing plate, the rear power supply gear is clamped and rotatably arranged on the gear working groove, the rack working groove is connected with the gear working groove, the rack clamping groove is connected with the rack working groove, the rack clamping block is clamped and slidably arranged on the rack clamping groove, the rack connecting plate is arranged on the rack clamping block, the rack connecting plate is clamped and slidably arranged on the rack working groove, and the rear injection working plate is arranged on the rack connecting plate.

Further, injection angle adjusting device includes worm gear work groove, rotates worm wheel, worm wheel connecting axle, rotates worm, worm and gives motor power, injection connecting plate, injection limiting plate and the spacing swing groove of injection, worm gear work groove is located on the rear end injection work board, it rotates on locating worm gear work groove to rotate the worm wheel block, the worm wheel connecting axle is located on the rotation worm wheel, it rotates on locating worm gear work groove to rotate the worm block, it is connected with the rotation worm meshing to rotate the worm wheel, the worm is located on rotating the worm for motor power, the injection connecting plate is located on the worm wheel connecting axle, the injection limiting plate is located on the injection connecting plate, the spacing swing groove of injection links to each other with worm gear work groove, injection limiting plate block rotates and locates on the spacing swing groove of injection.

Further, the medicament autonomous injection device comprises an ultrasonic distance meter, a central signal processor, a second screw working box, a second screw power supply motor, a second ball screw, a second linear bearing, a second clamping nut, a second nut connecting plate, a nut connecting plate clamping block, a nut connecting plate clamping groove, nut connecting plate two-end limiting plates, an injection pushing cylinder, a medicament injector, an injector arc limiting plate and an injector bonding plate, wherein the second screw working box is arranged on the injection limiting plate, the second screw power supply motor is arranged on the second screw working box, the second ball screw is clamped and rotatably arranged on the second screw working box, the second ball screw is connected with the output end of the second screw power supply motor, the second linear bearing is arranged on the second screw working box, and the second clamping nut is clamped and slidably arranged on the second ball screw, the second clamping nut is clamped and slidably arranged on the second linear bearing, the second nut connecting plate is arranged on the second clamping nut, the limiting plates at the two ends of the nut connecting plate are arranged on the injection limiting plates, the clamping block of the nut connecting plate is arranged on the second nut connecting plate, the nut connecting plate clamping groove is arranged on the limiting plates at the two ends of the nut connecting plate, the nut connecting plate clamping block is clamped and slidably arranged on the nut connecting plate clamping groove, the injection pushing cylinder is arranged on the second nut connecting plate, the arc limiting plate of the injector is hinged with the second nut connecting plate, the medicament injector is connected with the injector arc limiting plate, the ultrasonic range finder is arranged on the injector arc limiting plate, the central signal processor is arranged on the injection limiting plate, one end of the injector bonding plate is connected with the medicament injector, and the other end of the injector bonding plate is connected with the injection pushing cylinder.

Furthermore, the foot pressing button is electrically connected with a display adjusting cylinder, the hand pressing button is electrically connected with a display player, the display adjusting cylinder is in pneumatic connection with an inflation air pump, the ultrasonic range finder is electrically connected with a central signal processor, and the injection pushing cylinder is in pneumatic connection with the inflation air pump.

Furthermore, the back limiting springs are two groups, the two groups of back limiting springs are different in length, and the arc-shaped spring pressing plate is arranged on the side edge of the arc-shaped spring pressing plate to form a round corner edge.

Further, the injector arc-shaped limiting plate is connected with the second nut connecting plate through a torsion spring.

The invention relates to a using method of a pediatric injection fixing decompression device, which comprises the following steps:

the method comprises the following steps: the child needing to be injected is placed on the muscle relieving device, the chest cavity of the child is placed on the chest arc-shaped supporting plate, the chest damping supporting sponge plays a role in damping and reducing pressure on the chest cavity of the child, the abdomen of the child is placed on the abdomen arc-shaped sunken plate, the hip of the child tilts due to the sinking of the abdomen, and the lower-body anti-slip rubber pad prevents the child from sliding off on the basis of not damaging the body of the child;

step two: the user adjusts the position of the display player, so that the display player cannot collide with the bottom fixing plate during lifting operation, the user controls the first screw rod to work for the power motor, the first ball screw rod rotates, the first clamping nut slides along the first linear bearing, and the adjusting sliding connecting plate pushes the display player outwards along the adjusting sliding groove;

step three: parents or doctors can watch animation videos by showing the press buttons to children, the children are guided to continuously press the hand press buttons with hands, the display player is powered on to display, when the children are guided to lie on the muscle relieving device, feet step on the foot extrusion push plate, the foot push plate clamping block slides on the foot push plate clamping groove, the foot extrusion limiting spring deforms, the foot extrusion push plate is contacted with the foot press buttons on the foot limiting plate, the display adjusting cylinder extends, the children can play only by continuously pressing the hand press buttons with hands, the display player can only play, the feet of the children can be continuously pressed with the foot extrusion push plate to be contacted with the foot press buttons, the display adjusting cylinder can be enabled to continuously push the cylinder to push the right-angle plate, and the display placing plate is enabled to do angle adjustment work along the limiting support of the right-angle plate;

step four: when the attention of a child is paid to the cartoon program, medical staff rotate the arc-shaped fixed limiting plate to enable the arc-shaped fixed plate clamping block to be clamped on the arc-shaped fixed plate clamping groove, the arc-shaped spring pressing plate is right opposite to the back of the child below, a user controls the inflating air pump to work, the telescopic air bag is inflated to enable the back limiting spring to deform, the air bag pushing plate descends, the arc-shaped spring pressing plate is close to the back of the child, and the child is prevented from shaking during injection;

step five: when a user looks at a video with attention of a child, the gear is controlled to drive the power motor to work, the rear end drives the power gear to drive the rack connecting plate to slide, the rack clamping block slides on the rack clamping groove, and the rear-end injection working plate is moved to the position above the hip of the child;

step six: the user controls the injection direction of the injector according to the hip position of the child, the user controls the worm to work for the power motor, the rotating worm drives the rotating worm wheel to rotate, the worm wheel connecting shaft drives the injection connecting plate to rotate, and the injection limiting plate rotates along the injection limiting swing groove until the injection limiting plate moves to a proper angle;

step seven: the user opens the injector arc limiting plates, the medicament injector is extruded by the two groups of injector arc limiting plates, the injector adhesive plate is connected with the medicament injector, the ultrasonic distance meter and the central signal processor are opened, the ultrasonic distance meter sends out sound wave signals, the distance between the injector and the injection part of the child is calculated according to the time difference generated by the sound wave back and forth, the central signal processor sends a signal to control the second screw rod to work for the power motor, the second ball screw rod rotates, the second clamping nut slides along the second linear bearing to control the second nut connecting plate to generate displacement, the nut connecting plate clamping block slides on the nut connecting plate clamping groove, the needle head of the medicament injector is inserted into the hip of the child, and the user controls the injection pushing cylinder to extend, by pressing the medicament injector, medicament is delivered into the body of the child through the needle of the medicament injector.

The invention with the structure has the following beneficial effects: the utility model provides a paediatrics injection fixation pressure relief device and its application method that can not make children violently resist and can reduce the sense of tension during children's injection, through the curved surface children's body support cushion of laminating children's body, improve children's comfort level under the state of lying prone, make children relax the muscular tissue of body, alleviate children's sense of tension, the arc support structure of thorax and belly is favorable to children's buttock lifting, make things convenient for the selection of syringe to the buttock injection position, utilize show works such as animation to children's appeal, make children independently select to grasp the start button, let it initiatively restrict own four limbs action, avoid using the sense of compression that the mode of forcing to fix brought to children, the stop device at back can prevent effectively that children from turning around and watching the injection process during the injection, avoid children from watching the panic mood that needle injection process produced, reduce the influence that children's muscle twitch brought to the injection effect, avoid children to produce the fear psychology to the injection, help children to establish courage and confidence when injecting in the future, effectively solved current children on the existing market inject fixed pressure relief device inefficiency, and self structure is complicated, maintains comparatively inconvenient problem.

Drawings

FIG. 1 is a left side cross-sectional view of a pediatric injection fixation pressure relief device and method of use thereof in accordance with the present invention;

FIG. 2 is a left side view of a pediatric injection fixation pressure relief device and method of use thereof in accordance with the present invention;

FIG. 3 is a right side view of a pediatric injection fixation pressure relief device and method of using the same of the present invention;

FIG. 4 is a front view of a pediatric injection fixation pressure relief device and method of use thereof in accordance with the present invention;

FIG. 5 is a top view of a pediatric injection fixation pressure relief device and a muscle relief device in a method of using the same of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 1;

FIG. 7 is an enlarged view of a portion B of FIG. 1;

FIG. 8 is an enlarged view of a portion C of FIG. 1;

FIG. 9 is an enlarged view of a portion D of FIG. 1;

fig. 10 is a partial enlarged view of portion E of fig. 4;

fig. 11 is a partial enlarged view of portion F of fig. 3;

fig. 12 is a partially enlarged view of a portion G in fig. 1.

Wherein, 1, an attention dispersing device regulator, 2, an attention dispersing device mover, 3, an autonomous limit four-limb control device, 4, an anti-rotation control device, 5, a muscle relieving device, 6, an injection region searching device, 7, an injection angle adjusting device, 8, a medicament autonomous injection device, 9, a bottom fixing plate, 10, a chest arc supporting plate, 11, an abdomen arc concave plate, 12, a hip arc supporting plate, 13, a body front end supporting base, 14, a chest damping supporting sponge, 15, a lower half anti-skid rubber pad, 16, a first lead screw limiting plate, 17, a first lead screw power supply motor, 18, a first ball lead screw, 19, a first linear bearing, 20, a first clamping nut, 21, an adjusting sliding groove, 22, a first lead screw working groove, 23, an adjusting sliding connecting plate, 24, a cylinder bottom limiting plate, 25, a right-angle plate limiting bracket, 26. a cylinder placing support, 27, a display adjusting cylinder, 28, a display placing right-angle plate, 29, a cylinder pushing right-angle plate, 30, a display player, 31, a hand limiting handle, 32, a handle connecting support, 33, a hand pressing button, 34, a foot limiting plate, 35, a foot extruding push plate, 36, a foot push plate clamping block, 37, a foot push plate clamping groove, 38, a foot extruding limiting spring, 39, a foot pressing button, 40, an arc fixing limiting plate, 41, a telescopic air bag, 42, a back limiting spring, 43, an air bag push plate, 44, a back push plate damping spring, 45, an arc spring pressing plate, 46, an arc fixing plate clamping block, 47, an arc fixing plate clamping groove, 48, an inflation air pump, 49, a gear power supply motor, 50, a gear working groove, 51, a rear end power supply gear, 52, a rack working groove, 53 and a rack clamping groove, 54. a rack clamping block 55, a rack connecting plate 56, a rear end injection working plate 57, a worm and gear working groove 58, a rotating worm gear 59, a worm gear connecting shaft 60, a rotating worm 61, a worm power supply motor 62, an injection connecting plate 63, an injection limiting plate 64, an injection limiting swing groove 65, an ultrasonic range finder 66, a central signal processor 67, a second screw working box 68, a second screw power supply motor 69, a second ball screw 70, a second linear bearing 71, a second clamping nut 72, a second nut connecting plate 73, a nut connecting plate clamping block 74, a nut connecting plate clamping groove 75, a nut connecting plate two-end limiting plate 76, an injection pushing cylinder 77, a medicament injector 78, an injector arc limiting plate 79 and an injector bonding plate.

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

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-12, the invention relates to a pediatric injection fixation pressure reduction device, which comprises an attention dispersion device adjuster 1, an attention dispersion device mover 2, an autonomous limit limb control device 3, an anti-rotation control device 4, a muscle relieving device 5, an injection region searching device 6, an injection angle adjusting device 7 and a medicament autonomous injection device 8, the distraction device mover 2 is provided on the muscle relaxer 5, the distraction device adjuster 1 is provided on the distraction device mover 2, the autonomous limit four-limb control device 3 is arranged on the muscle relieving device 5, the anti-rotation control device 4 is arranged on the muscle relieving device 5, the injection region searching device 6 is arranged on the muscle relaxing device 5, the injection angle adjusting device 7 is arranged on the injection region searching device 6, and the medicament self-injection device 8 is arranged on the injection angle adjusting device 7; muscle device 5 of releiving includes bottom fixed plate 9, chest arc backup pad 10, belly arc recess plate 11, buttock arc backup pad 12, health front end supporting pedestal 13, chest shock attenuation support sponge 14 and lower body anti-skidding rubber mat 15, bottom fixed plate 9 links to each other with distraction device shifter 2, health front end supporting pedestal 13 is located on bottom fixed plate 9, chest arc backup pad 10 is located on health front end supporting pedestal 13, belly arc recess plate 11 is located on chest arc backup pad 10, buttock arc backup pad 12 is located on belly arc recess plate 11, chest shock attenuation support sponge 14 is located on chest arc backup pad 10, lower body anti-skidding rubber mat 15 is located respectively on belly arc recess plate 11 and buttock arc backup pad 12.

Further, the attention dispersing device mover 2 includes a first screw limiting plate 16, a first screw power supply motor 17, a first ball screw 18, a first linear bearing 19, a first engaging nut 20, an adjusting sliding groove 21 and a first screw working groove 22, the adjusting sliding groove 21 is disposed on the bottom fixing plate 9, the first screw working groove 22 is disposed on the adjusting sliding groove 21, the first screw limiting plate 16 is disposed on the first screw working groove 22, the first screw power supply motor 17 is disposed on the first screw working groove 22, the first ball screw 18 is rotatably engaged with the first screw limiting plate 16, the first screw power supply motor 17 is connected with the first ball screw 18, the first linear bearing 19 is disposed on the first screw limiting plate 16, the first engaging nut 20 is slidably engaged with the first linear bearing 19, the first engaging nut 20 is slidably engaged with the first ball screw 18.

Further, the attention dispersing device adjuster 1 comprises an adjusting sliding connection plate 23, an air cylinder bottom limiting plate 24, a right-angle plate limiting support 25, an air cylinder placing support 26, a display adjusting air cylinder 27, a display placing right-angle plate 28, an air cylinder pushing right-angle plate 29 and a display player 30, wherein the adjusting sliding connection plate 23 is arranged on a first clamping nut 20, the adjusting sliding connection plate 23 is clamped and slidably arranged on an adjusting sliding groove 21, the air cylinder bottom limiting plate 24 is arranged on the adjusting sliding connection plate 23, the right-angle plate limiting support 25 is arranged on the adjusting sliding connection plate 23, the air cylinder placing support 26 is clamped and rotatably arranged on the air cylinder bottom limiting plate 24, the display adjusting air cylinder 27 is arranged on the air cylinder placing support 26, the air cylinder pushing right-angle plate 29 is clamped and rotatably arranged on the right-angle plate limiting support 25, and the display placing right-angle plate 28 is connected with the air cylinder pushing right-, the display player 30 is arranged on the display placing right-angle plate 28, and the air cylinder pushes the right-angle plate 29 to be hinged with the output end of the display adjusting air cylinder 27.

Further, the autonomous limiting four-limb control device 3 comprises a hand limiting handle 31, a handle connecting support 32, a hand pressing button 33, a foot limiting plate 34, a foot extruding push plate 35, a foot push plate clamping block 36, a foot push plate clamping groove 37, a foot extruding limiting spring 38 and a foot pressing button 39, the handle connecting support 32 is clamped and rotated on the body front end supporting base 13, the hand limiting handle 31 is arranged on the handle connecting support 32, the hand pressing button 33 is arranged on the hand limiting handle 31, the foot limiting plate 34 is arranged on the bottom fixing plate 9, the foot push plate clamping groove 37 is arranged on the bottom fixing plate 9, the foot push plate clamping block 36 is clamped and slidably arranged on the foot push plate clamping groove 37, the foot extruding push plate 35 is arranged on the foot push plate clamping block 36, one end of the foot extruding limiting spring 38 is arranged on the foot limiting plate 34, the other end of the foot extrusion limiting spring 38 is arranged on the foot extrusion push plate 35, and the foot pressing button 39 is arranged on the foot limiting plate 34.

Further, the anti-rotation control device 4 comprises an arc-shaped fixed limiting plate 40, a telescopic airbag 41, a back limiting spring 42, an airbag push plate 43, a back push plate damping spring 44, an arc-shaped spring pressing plate 45, an arc-shaped fixed plate clamping block 46, an arc-shaped fixed plate clamping groove 47 and an inflation air pump 48, wherein the arc-shaped fixed limiting plate 40 is hinged to the bottom fixed plate 9, the telescopic airbag 41 is arranged on the arc-shaped fixed limiting plate 40, the back limiting spring 42 is arranged on the arc-shaped fixed limiting plate 40, the airbag push plate 43 is arranged on the back limiting spring 42, the telescopic airbag 41 is connected with the airbag push plate 43, the back push plate damping spring 44 is arranged on the airbag push plate 43, the arc-shaped spring pressing plate 45 is arranged on the back push plate damping spring 44, the arc-shaped fixed plate clamping block 46 is arranged on the arc-shaped fixed limiting plate 40, and, the arc-shaped fixing plate clamping block 46 is arranged in the arc-shaped fixing plate clamping groove 47 in a clamping and sliding mode, and the inflation air pump 48 is arranged on the bottom fixing plate 9.

Further, the injection region searching device 6 comprises a gear power supply motor 49, a gear working groove 50, a rear end power supply gear 51, a rack working groove 52, a rack clamping groove 53, a rack clamping block 54, a rack connecting plate 55 and a rear end injection working plate 56, the gear power supply motor 49 is arranged on the bottom fixing plate 9, the gear working groove 50 is arranged on the bottom fixing plate 9, the rear end power supply gear 51 is clamped and rotatably arranged on the gear working groove 50, the rack working groove 52 is connected with the gear working groove 50, the rack clamping groove 53 is connected with the rack working groove 52, the rack clamping block 54 is clamped and glidingly arranged on the rack clamping groove 53, the rack connecting plate 55 is arranged on the rack clamping block 54, the rack connecting plate 55 is clamped and slidably arranged on the rack working groove 52, and the rear-end injection working plate 56 is arranged on the rack connecting plate 55.

Further, the injection angle adjusting device 7 comprises a worm and gear working groove 57, a rotating worm wheel 58, a worm wheel connecting shaft 59, a rotating worm 60, a worm feeding power motor 61, an injection connecting plate 62, an injection limiting plate 63 and an injection limiting swing groove 64, wherein the worm and gear working groove 57 is arranged on the rear end injection working plate 56, the rotating worm wheel 58 is clamped and rotated on the worm and gear working groove 57, the worm wheel connecting shaft 59 is arranged on the rotating worm wheel 58, the rotating worm 60 is clamped and rotated on the worm and gear working groove 57, the rotating worm wheel 58 is meshed and connected with the rotating worm 60, the worm is arranged on the rotating worm 60 for the power motor 61, the injection connecting plate 62 is arranged on the worm wheel connecting shaft 59, the injection limiting plate 63 is arranged on the injection connecting plate 62, and the injection limiting swing groove 64 is connected with the worm and the worm wheel working groove 57, the injection limit plate 63 is rotatably engaged with the injection limit swing groove 64.

Further, the medicament autonomous injection device 8 comprises an ultrasonic distance meter 65, a central signal processor 66, a second screw working box 67, a second screw feeding motor 68, a second ball screw 69, a second linear bearing 70, a second clamping nut 71, a second nut connecting plate 72, a nut connecting plate clamping block 73, a nut connecting plate clamping groove 74, nut connecting plate two-end limiting plates 75, an injection pushing cylinder 76, a medicament injector 77, an injector arc limiting plate 78 and an injector bonding plate 79, wherein the second screw working box 67 is arranged on the injection limiting plate 63, the second screw feeding motor 68 is arranged on the second screw working box 67, the second ball screw 69 is clamped and rotatably arranged on the second screw working box 67, the second ball screw 69 is connected with the output end of the second screw feeding motor 68, the second linear bearing 70 is arranged on the second screw working box 67, the second snap nut 71 is slidably engaged with the second ball screw 69, the second snap nut 71 is slidably engaged with the second linear bearing 70, the second nut connecting plate 72 is disposed on the second snap nut 71, the two end limiting plates 75 of the nut connecting plate are disposed on the injection limiting plate 63, the nut connecting plate snap block 73 is disposed on the second nut connecting plate 72, the nut connecting plate snap groove 74 is disposed on the two end limiting plates 75 of the nut connecting plate, the nut connecting plate snap block 73 is slidably engaged with the nut connecting plate snap groove 74, the injection pushing cylinder 76 is disposed on the second nut connecting plate 72, the injector arc limiting plate 78 is hinged to the second nut connecting plate 72, the chemical injector 77 is connected to the injector arc limiting plate 78, the ultrasonic range finder 65 is disposed on the injector arc limiting plate 78, and the central signal processor 66 is disposed on the injection limiting plate 63, one end of the syringe adhesive plate 79 is connected to the chemical syringe 77, and the other end of the syringe adhesive plate 79 is connected to the injection pushing cylinder 76.

Further, the foot pressing button 39 is electrically connected to the display adjusting cylinder 27, the hand pressing button 33 is electrically connected to the display player 30, the display adjusting cylinder 27 is electrically connected to the inflation air pump 48, the ultrasonic distance meter 65 is electrically connected to the central signal processor 66, and the injection pushing cylinder 76 is electrically connected to the inflation air pump 48.

Furthermore, the back limiting springs 42 are provided in two sets, the two sets of back limiting springs 42 have different lengths, and the side edge of the arc-shaped spring pressing plate 45 is a fillet edge.

Further, the injector arc-shaped limiting plate 78 is connected with the second nut connecting plate 72 through a torsion spring.

The invention relates to a using method of a pediatric injection fixing decompression device, which comprises the following steps:

the method comprises the following steps: the child needing to be injected is placed on the muscle relieving device 5, the chest cavity of the child is placed on the chest arc-shaped supporting plate 10, the chest damping supporting sponge 14 plays a role in damping and reducing pressure on the chest cavity of the child, the abdomen of the child is placed on the abdomen arc-shaped concave plate 11, due to the sinking of the abdomen, the hip of the child is tilted, and the lower anti-skidding rubber cushion 15 of the lower body prevents the child from slipping off on the basis of not damaging the body of the child;

step two: the user adjusts the position of the display player 30, so that the display player 30 does not collide with the bottom fixing plate 9 during the lifting operation, the user controls the first lead screw to work for the power motor 17, the first ball lead screw 18 rotates, the first clamping nut 20 slides along the first linear bearing 19, and the adjusting sliding connecting plate 23 pushes the display player 30 outwards along the adjusting sliding groove 21;

step three: parents or doctors can watch the animation video by showing the press button to the children, guide the children to continuously press the hand press button 33 with hands, electrify the display player 30 for displaying, guide the children to lie on the muscle relieving device 5, the foot steps on the foot extrusion push plate 35, the foot push plate clamping block 36 slides on the foot push plate clamping groove 37, the foot extrusion limiting spring 38 deforms, the foot extrusion push plate 35 is in contact with a foot pressing button 39 on the foot limiting plate 34, the display adjusting cylinder 27 extends, a child can play only by continuously pressing the hand pressing button 33 with the hand, the display player 30 can play, the foot of the child can continuously press the foot extrusion push plate 35 to be in contact with the foot pressing button 39, the display adjusting cylinder 27 can continuously push the cylinder to push the right-angle plate 29, and the display placing right-angle plate 28 is enabled to perform angle adjustment work along the right-angle plate limiting support 25;

step four: when the attention of a child is paid to an animation program, medical staff rotate the arc-shaped fixed limiting plate 40 to enable the arc-shaped fixed plate clamping block 46 to be clamped on the arc-shaped fixed plate clamping groove 47, the arc-shaped spring pressing plate 45 is opposite to the back of the child below, a user controls the inflating air pump 48 to work, the telescopic air bag 41 inflates to enable the back limiting spring 42 to deform, the air bag pushing plate 43 descends, the arc-shaped spring pressing plate 45 is close to the back of the child, and the child is prevented from shaking during injection;

step five: when a user looks at a video with attention of a child, the power motor 49 is controlled to work by the control gear, the rack connecting plate 55 is driven by the power gear 51 to slide by the rear end, the rack clamping block 54 slides on the rack clamping groove 53, and the rear end injection working plate 56 is moved to the upper part of the hip of the child;

step six: the user controls the injection direction of the injector according to the hip position of the child, controls the worm to work for the power motor 61, rotates the worm 60 to drive the rotating worm wheel 58 to rotate, drives the injection connecting plate 62 to rotate by the worm wheel connecting shaft 59, and rotates the injection limiting plate 63 along the injection limiting swing groove 64 until the injection limiting plate moves to a proper angle;

step seven: the user opens the injector arc-shaped limit plates 78, causes the medicament injector 77 to be pressed by the two sets of injector arc-shaped limit plates 78, causes the injector adhesive plate 79 to be connected with the medicament injector 77, opens the ultrasonic distance meter 65 and the central signal processor 66, sends out the sound wave signal through the ultrasonic distance meter 65, the distance between the syringe and the injection part of the child is calculated according to the time difference generated by the sound wave back and forth, the central signal processor 66 sends a signal to control the second screw to work for the power motor 68, the second ball screw 69 rotates, the second clamping nut 71 slides along the second linear bearing 70 to control the second nut connecting plate 72 to generate displacement, the nut connecting plate clamping block 73 slides on the nut connecting plate clamping groove 74 to insert the needle head of the medicament syringe 77 into the hip of the child, the user controls the injection pushing cylinder 76 to extend, by pressing the medicine syringe 77, the medicine is fed into the body of the child through the needle of the medicine syringe 77.

When the device is used specifically, a user places a child needing to be injected on the muscle relieving device 5, the chest cavity of the child is placed on the chest arc-shaped supporting plate 10, the chest shock absorption supporting sponge 14 plays a shock absorption and pressure reduction role on the chest cavity of the child, the abdomen of the child is placed on the abdomen arc-shaped sunken plate 11, due to the sinking of the abdomen, the hip of the child tilts, and the lower anti-skid rubber cushion 15 of the lower body prevents the child from slipping off on the basis of not damaging the body of the child; the user adjusts the position of the display player 30, so that the display player 30 does not collide with the bottom fixing plate 9 during the lifting operation, the user controls the first lead screw to work for the power motor 17, the first ball lead screw 18 rotates, the first clamping nut 20 slides along the first linear bearing 19, and the adjusting sliding connecting plate 23 pushes the display player 30 outwards along the adjusting sliding groove 21; parents or doctors can watch the animation video by showing the press button to the children, guide the children to continuously press the hand press button 33 with hands, electrify the display player 30 for displaying, guide the children to lie on the muscle relieving device 5, the foot steps on the foot extrusion push plate 35, the foot push plate clamping block 36 slides on the foot push plate clamping groove 37, the foot extrusion limiting spring 38 deforms, the foot extrusion push plate 35 is in contact with a foot pressing button 39 on the foot limiting plate 34, the display adjusting cylinder 27 extends, a child can play only by continuously pressing the hand pressing button 33 with the hand, the display player 30 can play, the foot of the child can continuously press the foot extrusion push plate 35 to be in contact with the foot pressing button 39, the display adjusting cylinder 27 can continuously push the cylinder to push the right-angle plate 29, and the display placing right-angle plate 28 is enabled to perform angle adjustment work along the right-angle plate limiting support 25; when the attention of a child is paid to an animation program, medical staff rotate the arc-shaped fixed limiting plate 40 to enable the arc-shaped fixed plate clamping block 46 to be clamped on the arc-shaped fixed plate clamping groove 47, the arc-shaped spring pressing plate 45 is opposite to the back of the child below, a user controls the inflating air pump 48 to work, the telescopic air bag 41 inflates to enable the back limiting spring 42 to deform, the air bag pushing plate 43 descends, the arc-shaped spring pressing plate 45 is close to the back of the child, and the child is prevented from shaking during injection; when a user looks at a video with attention of a child, the power motor 49 is controlled to work by the control gear, the rack connecting plate 55 is driven by the power gear 51 to slide by the rear end, the rack clamping block 54 slides on the rack clamping groove 53, and the rear end injection working plate 56 is moved to the upper part of the hip of the child; the user controls the injection direction of the injector according to the hip position of the child, controls the worm to work for the power motor 61, rotates the worm 60 to drive the rotating worm wheel 58 to rotate, drives the injection connecting plate 62 to rotate by the worm wheel connecting shaft 59, and rotates the injection limiting plate 63 along the injection limiting swing groove 64 until the injection limiting plate moves to a proper angle; the user opens the injector arc-shaped limit plates 78, causes the medicament injector 77 to be pressed by the two sets of injector arc-shaped limit plates 78, causes the injector adhesive plate 79 to be connected with the medicament injector 77, opens the ultrasonic distance meter 65 and the central signal processor 66, sends out the sound wave signal through the ultrasonic distance meter 65, the distance between the syringe and the injection part of the child is calculated according to the time difference generated by the sound wave back and forth, the central signal processor 66 sends a signal to control the second screw to work for the power motor 68, the second ball screw 69 rotates, the second clamping nut 71 slides along the second linear bearing 70 to control the second nut connecting plate 72 to generate displacement, the nut connecting plate clamping block 73 slides on the nut connecting plate clamping groove 74 to insert the needle head of the medicament syringe 77 into the hip of the child, the user controls the injection pushing cylinder 76 to extend, by pressing the medicine syringe 77, the medicine is fed into the body of the child through the needle of the medicine syringe 77; during the injection operation, the attention of the child is influenced by the display player 30, the attention to other objects around the child is reduced, the panic and the tension emotion of the child in the early period of injection are relieved, the arc-shaped panel of the muscle relaxing device 5 helps the child to play a role in relaxing muscles, the state of the tense muscles of the child is relieved, the psychological bad influence on the child cannot be caused during the injection, the whole work flow of the invention is realized, and the step is repeated when the child is used next time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a decompression device is fixed in paediatrics injection which characterized in that: the device comprises an attention dispersing device regulator, an attention dispersing device mover, an autonomous limiting four-limb control device, an anti-rotation control device, a muscle relieving device, an injection region searching device, an injection angle adjusting device and a medicament autonomous injection device, wherein the attention dispersing device mover is arranged on the muscle relieving device; muscle device of releiving includes bottom fixed plate, chest arc backup pad, belly arc recess plate, buttock arc backup pad, health front end support base, chest shock attenuation support sponge and lower body anti-skidding rubber pad, the bottom fixed plate links to each other with attention dispersion devices shifter, health front end support base locates on the bottom fixed plate, chest arc backup pad is located on the health front end support base, chest arc backup pad is located on the chest arc backup pad, buttock arc backup pad is located on the belly arc recess plate, chest shock attenuation support sponge is located on the chest arc backup pad, lower body anti-skidding rubber pad is located respectively on belly arc recess plate and buttock arc backup pad.

2. The pediatric injection fixation pressure relief device of claim 1, wherein: attention dispersion device shifter includes that first lead screw limiting plate, first lead screw give driving motor, first ball, first line type bearing, first block nut, regulation sliding tray and first lead screw work groove, it locates on the bottom fixed plate to adjust the sliding tray, first lead screw work groove is located on adjusting the sliding tray, first lead screw limiting plate is located on the first lead screw work groove, first lead screw is located on the first lead screw work groove for driving motor, first ball block rotates and locates on the first lead screw limiting plate, first lead screw gives driving motor and links to each other with first ball, first line type bearing is located on the first lead screw limiting plate, first block nut block slides and locates on the first line type bearing, first block nut block slides and locates on the first ball.

3. A pediatric injection fixation pressure relief device as defined in claim 2, wherein: the attention dispersing device adjuster comprises an adjusting sliding connecting plate, an air cylinder bottom limiting plate, a right-angle plate limiting support, an air cylinder placing support, a display adjusting air cylinder, a display placing right-angle plate, an air cylinder pushing right-angle plate and a display player, wherein the adjusting sliding connecting plate is arranged on a first clamping nut, the adjusting sliding connecting plate is clamped and slidably arranged on an adjusting sliding groove, the air cylinder bottom limiting plate is arranged on the adjusting sliding connecting plate, the right-angle plate limiting support is arranged on the adjusting sliding connecting plate, the air cylinder placing support is clamped and rotatably arranged on the air cylinder bottom limiting plate, the display adjusting air cylinder is arranged on the air cylinder placing support, the air cylinder pushing right-angle plate is clamped and rotatably arranged on the right-angle plate limiting support, the display placing right-angle plate is connected with the air cylinder pushing right-angle plate, the display player is arranged on, the cylinder pushes the right-angle plate to be hinged with the output end of the display adjusting cylinder.

4. A pediatric injection fixation pressure relief device as defined in claim 3 wherein: the autonomous limiting four-limb control device comprises a hand limiting handle, a handle connecting support, a hand pressing button, a foot limiting plate, a foot extruding push plate, a foot push plate clamping block, a foot push plate clamping groove, a foot extruding limiting spring and a foot pressing button, wherein the handle connecting support is clamped and rotatably arranged on a front end supporting base of a body, the hand limiting handle is arranged on the handle connecting support, the hand pressing button is arranged on the hand limiting handle, the foot limiting plate is arranged on a bottom fixing plate, the foot push plate clamping groove is arranged on the bottom fixing plate, the foot push plate clamping block is clamped and slidably arranged on the foot push plate clamping groove, the foot extruding push plate is arranged on the foot push plate clamping block, one end of the foot extruding limiting spring is arranged on the foot limiting plate, and the other end of the foot extruding limiting spring is arranged on the foot extruding push plate, the foot pressing button is arranged on the foot limiting plate.

5. The pediatric injection fixation pressure relief device of claim 4, wherein: the anti-rotation control device comprises an arc-shaped fixed limiting plate, a telescopic air bag, a back limiting spring, an air bag push plate, a back push plate damping spring, an arc-shaped spring pressing plate, an arc-shaped fixed plate clamping block, an arc-shaped fixed plate clamping groove and an inflation air pump, wherein the arc-shaped fixed limiting plate is hinged with a bottom fixed plate, the telescopic air bag is arranged on the arc-shaped fixed limiting plate, the back limiting spring is arranged on the arc-shaped fixed limiting plate, the air bag push plate is arranged on the back limiting spring, the telescopic air bag is connected with the air bag push plate, the back push plate damping spring is arranged on the air bag push plate, the arc-shaped spring pressing plate is arranged on the back push plate damping spring, the arc-shaped fixed plate clamping block is arranged on the arc-shaped fixed limiting plate, the arc-, the inflation air pump is arranged on the bottom fixing plate.

6. A pediatric injection fixation pressure relief device as defined in claim 5, wherein: the injection region finding device comprises a gear power supply motor, a gear working groove, a rear end power supply gear, a rack working groove, a rack clamping block, a rack connecting plate and a rear end injection working plate, wherein the gear power supply motor is arranged on a bottom fixing plate, the gear working groove is arranged on the bottom fixing plate, the rear end power supply gear is clamped and rotatably arranged on the gear working groove, the rack working groove is connected with the gear working groove, the rack clamping groove is connected with the rack working groove, the rack clamping block is clamped and slidably arranged on the rack clamping groove, the rack connecting plate is arranged on the rack clamping block, the rack connecting plate is clamped and slidably arranged on the rack working groove, and the rear end injection working plate is arranged on the rack connecting plate.

7. The pediatric injection fixation pressure relief device of claim 6, wherein: injection angle adjusting device includes worm gear work groove, rotates worm wheel, worm wheel connecting axle, rotates worm, worm and gives motor power, injection connecting plate, injection limiting plate and the spacing swing groove of injection, worm gear work groove is located on the rear end injection work board, it rotates on locating worm gear work groove to rotate the worm wheel block, the worm wheel connecting axle is located and is rotated on the worm wheel, it rotates on locating worm gear work groove to rotate the worm block, it is connected with the meshing of rotation worm to rotate the worm wheel, the worm is located for motor power on the rotation worm, the injection connecting plate is located on the worm wheel connecting axle, the injection limiting plate is located on the injection connecting plate, the spacing swing groove of injection links to each other with worm gear work groove, injection limiting plate block rotates and locates on the spacing swing groove of injection.

8. A pediatric injection fixation pressure relief device as defined in claim 7, wherein: the automatic medicament injection device comprises an ultrasonic distance meter, a central signal processor, a second lead screw working box, a second lead screw power supply motor, a second ball screw, a second linear bearing, a second clamping nut, a second nut connecting plate, a nut connecting plate clamping block, a nut connecting plate clamping groove, nut connecting plate two-end limiting plates, an injection pushing cylinder, a medicament injector, an injector arc limiting plate and an injector bonding plate, wherein the second lead screw working box is arranged on the injection limiting plate, the second lead screw power supply motor is arranged on the second lead screw working box, the second ball screw is rotationally arranged on the second lead screw working box in a clamping manner, the second ball screw is connected with the output end of the second lead screw power supply motor, the second linear bearing is arranged on the second lead screw working box, and the second clamping nut is slidably arranged on the second ball screw, the second clamping nut is clamped and slidably arranged on the second linear bearing, the second nut connecting plate is arranged on the second clamping nut, the limiting plates at the two ends of the nut connecting plate are arranged on the injection limiting plates, the clamping block of the nut connecting plate is arranged on the second nut connecting plate, the nut connecting plate clamping groove is arranged on the limiting plates at the two ends of the nut connecting plate, the nut connecting plate clamping block is clamped and slidably arranged on the nut connecting plate clamping groove, the injection pushing cylinder is arranged on the second nut connecting plate, the arc limiting plate of the injector is hinged with the second nut connecting plate, the medicament injector is connected with the injector arc limiting plate, the ultrasonic range finder is arranged on the injector arc limiting plate, the central signal processor is arranged on the injection limiting plate, one end of the injector bonding plate is connected with the medicament injector, and the other end of the injector bonding plate is connected with the injection pushing cylinder.

9. The pediatric injection fixation pressure relief device of claim 8, wherein: the utility model discloses a syringe, including base, foot, display adjustment cylinder, ultrasonic range finder, injection promotion cylinder, back limiting spring, syringe arc limiting plate and second nut connecting plate, the foot is pressed the button and is connected with display adjustment cylinder electricity, the hand is pressed the button and is connected with the display player electricity, display adjustment cylinder is connected with the pump gas of inflating, ultrasonic range finder is connected with central signal processor electricity, the injection promotes the cylinder and is connected with the pump gas of inflating, the back limiting spring is equipped with two sets ofly, the length of two sets of back limiting spring is different, the arc spring is established to the fillet limit according to the side of pressing plate, pass through.

10. A use method of a pediatric injection fixation decompression device is characterized by comprising the following steps:

the method comprises the following steps: the child needing to be injected is placed on the muscle relieving device, the chest cavity of the child is placed on the chest arc-shaped supporting plate, the chest damping supporting sponge plays a role in damping and reducing pressure on the chest cavity of the child, the abdomen of the child is placed on the abdomen arc-shaped sunken plate, the hip of the child tilts due to the sinking of the abdomen, and the lower-body anti-slip rubber pad prevents the child from sliding off on the basis of not damaging the body of the child;

step two: the user adjusts the position of the display player, so that the display player cannot collide with the bottom fixing plate during lifting operation, the user controls the first screw rod to work for the power motor, the first ball screw rod rotates, the first clamping nut slides along the first linear bearing, and the adjusting sliding connecting plate pushes the display player outwards along the adjusting sliding groove;

step three: parents or doctors can watch animation videos by showing the press buttons to children, the children are guided to continuously press the hand press buttons with hands, the display player is powered on to display, when the children are guided to lie on the muscle relieving device, feet step on the foot extrusion push plate, the foot push plate clamping block slides on the foot push plate clamping groove, the foot extrusion limiting spring deforms, the foot extrusion push plate is contacted with the foot press buttons on the foot limiting plate, the display adjusting cylinder extends, the children can play only by continuously pressing the hand press buttons with hands, the display player can only play, the feet of the children can be continuously pressed with the foot extrusion push plate to be contacted with the foot press buttons, the display adjusting cylinder can be enabled to continuously push the cylinder to push the right-angle plate, and the display placing plate is enabled to do angle adjustment work along the limiting support of the right-angle plate;

step four: when the attention of a child is paid to the cartoon program, medical staff rotate the arc-shaped fixed limiting plate to enable the arc-shaped fixed plate clamping block to be clamped on the arc-shaped fixed plate clamping groove, the arc-shaped spring pressing plate is right opposite to the back of the child below, a user controls the inflating air pump to work, the telescopic air bag is inflated to enable the back limiting spring to deform, the air bag pushing plate descends, the arc-shaped spring pressing plate is close to the back of the child, and the child is prevented from shaking during injection;

step five: when a user looks at a video with attention of a child, the gear is controlled to drive the power motor to work, the rear end drives the power gear to drive the rack connecting plate to slide, the rack clamping block slides on the rack clamping groove, and the rear-end injection working plate is moved to the position above the hip of the child;

step six: the user controls the injection direction of the injector according to the hip position of the child, the user controls the worm to work for the power motor, the rotating worm drives the rotating worm wheel to rotate, the worm wheel connecting shaft drives the injection connecting plate to rotate, and the injection limiting plate rotates along the injection limiting swing groove until the injection limiting plate moves to a proper angle;

step seven: the user opens the injector arc limiting plates, the medicament injector is extruded by the two groups of injector arc limiting plates, the injector adhesive plate is connected with the medicament injector, the ultrasonic distance meter and the central signal processor are opened, the ultrasonic distance meter sends out sound wave signals, the distance between the injector and the injection part of the child is calculated according to the time difference generated by the sound wave back and forth, the central signal processor sends a signal to control the second screw rod to work for the power motor, the second ball screw rod rotates, the second clamping nut slides along the second linear bearing to control the second nut connecting plate to generate displacement, the nut connecting plate clamping block slides on the nut connecting plate clamping groove, the needle head of the medicament injector is inserted into the hip of the child, and the user controls the injection pushing cylinder to extend, by pressing the medicament injector, medicament is delivered into the body of the child through the needle of the medicament injector.

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