CN111743706A

CN111743706A - Intravenous injection auxiliary device that paediatrics nursing was used

Info

Publication number: CN111743706A
Application number: CN202010667399.4A
Authority: CN
Inventors: 陈淑梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-09

Abstract

The invention provides an intravenous injection auxiliary device for pediatric nursing, belongs to the technical field of injection auxiliary devices, and aims to solve the problems that time and labor are wasted, the firmness of a child body is poor, and the convenience of the child during head injection is reduced when the child is injected at present. According to the invention, through the arrangement of the leg fixing piece, the hand fixing piece and the head fixing piece, when in injection, a child to be injected is enabled to lie on the lifting mechanism, the leg is placed in the leg fixing piece to be compressed, then the hand of the child is tightly bound to two sides of the hand fixing piece through the two wrapping belts, then the head of the child is placed between the two clamping air bags and is clamped through the head fixing piece, so that the head of the child is more time-saving and labor-saving during injection, the body of the child has better firmness during injection, and the convenience during injection of the head of the child is further improved.

Description

Intravenous injection auxiliary device that paediatrics nursing was used

Technical Field

The invention belongs to the technical field of injection auxiliary devices, and particularly relates to an intravenous injection auxiliary device for pediatric nursing.

Background

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.

For example, application No.: CN201911190953.8 head fixing device for paediatrics, which comprises a mainboard, left fixed block and right fixed block, the mainboard upside is equipped with left fixed block and right fixed block, the mainboard is connected as an organic whole with left fixed block, left fixed block flushes with the left end of mainboard, the inner end of left fixed block is the curved surface, right fixed block is the same with the shape of left fixed block, opposite direction, left fixed block upside front end is equipped with the infusion tube fixation clamp, be equipped with the viscidity glue film in the infusion tube fixation clamp, left fixed block and right fixed block curved surface end inwards are equipped with the contact pad, the mainboard right-hand member is equipped with the baffle, left fixed block upside right-hand member is equipped with two fixed bands, right fixed block upside left end is equipped. According to the head fixing device for the department of pediatrics, when the pediatric head is injected with medicines in daily life, the head of the pediatric patient can be fixed, the head of the patient can be massaged, headache is relieved, early recovery is facilitated, and the working difficulty of medical workers is reduced.

Based on the search of the above patents and the discovery of the devices in the prior art, intravenous injection is a simple and feasible administration method, and scalp intravenous injection is a common administration route for children, especially for newborns and infants in clinic. And at present when injecting for children's head, because lack effectual auxiliary device, it is usually direct to let children lie on the table, then need three and above personnel just can accomplish, wherein two press children's health and head, the other one is injected, and then make not only waste time and energy when children's head injects, and the fastness of children's health when injecting is relatively poor, and then the convenience when having reduced children's head injection, and the injection personnel can not be nimble adjust table height when the injection, especially it is inconvenient when medical equipment such as syringe needle is being held to both hands, and find fast when meetting thinner blood vessel and inject, and then injection efficiency when having reduced children's head injection.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intravenous injection auxiliary device for pediatric nursing, which aims to solve the problems that when the head of a child is injected at present, due to the lack of an effective auxiliary device, the child usually lies on a table directly, then three or more persons are needed to complete the injection, two of the three persons press the body and the head of the child, and the other person performs the injection, so that the head of the child is not only time-consuming and labor-consuming when injected, but also the firmness of the body of the child is poor when injected, the convenience of the head of the child during the injection is reduced, and the height of the table cannot be flexibly adjusted by an injector during the injection, especially when medical equipment such as a needle head is held by two hands, the injection is inconvenient, and the injection is difficult to find quickly when a thin blood vessel is encountered, and the injection efficiency of the head of the child during the injection is reduced.

The invention relates to an intravenous injection auxiliary device for pediatric nursing, which has the purposes and effects that the invention is achieved by the following specific technical means:

an intravenous injection auxiliary device for pediatric nursing comprises a bottom plate, wherein a lifting mechanism is arranged on the upper portion of the bottom plate, a pedal mechanism is arranged on the front side of the bottom plate and comprises a first rotating shaft, a second rotating shaft, first gears, a driving disc, L-shaped slide rails, racks, pedals, bevel gears, pawl mounting parts and second gears, the first rotating shaft is rotatably connected to the front side of the bottom plate through bearing supporting blocks, the number of the second rotating shafts is two, the two second rotating shafts are respectively rotatably connected to the left side and the right side of the first rotating shaft at the bottom of the bottom plate through the bearing supporting blocks, the front ends of the first rotating shaft and the second rotating shaft are respectively provided with a first gear, one first gear in the middle is respectively meshed with the other two first gears, the front end faces of the left first gear and the right gear are respectively and fixedly connected with a driving disc, and the front end surface of each driving disc is provided with a ratchet-shaped groove, a pawl mounting piece is rotatably connected in the ratchet-shaped groove through a rotating shaft, and the front end surface of the pawl mounting piece is fixedly connected with a second gear, the pawl mounting piece is rotatably connected with two pawls in an annular array shape, and a spring is arranged between each pawl and the pawl mounting piece, the number of the L-shaped slide rails is two, and the two L-shaped slide rails are symmetrically and fixedly connected with the front end surface of the bottom plate through the supporting block, each L-shaped slide rail is provided with a limit slide bar, and the outside of the limiting slide bar is sleeved with a spring, each L-shaped slide rail is connected with a rack in a sliding way through the limiting slide bar, the front end face of each rack is welded with a pedal, the number of the bevel gears is two, the two bevel gears are respectively arranged at the rear end of the first rotating shaft and the lower end of the lifting screw rod, and the two bevel gears are meshed with each other; a leg fixing piece is arranged on the right side of the upper end face of the lifting mechanism, and a hand fixing piece is fixedly connected to the left side of the leg fixing piece; the hand fixing piece is of a T-shaped plate block structure; a head fixing piece is arranged on the left side of the upper portion of the lifting mechanism, and an auxiliary mechanism is arranged at a corner of the rear portion of the left side of the upper end face of the lifting mechanism.

Furthermore, the bottom plate comprises a first thread cylinder, a supporting screw, a foot pad, a square sliding column and a first shaft sleeve, four first thread cylinders are symmetrically arranged on the bottom surface of the bottom plate in a left-right manner, and each first threaded cylinder is internally connected with a supporting screw rod through threads, the lower end of each supporting screw rod is provided with a T-shaped rotating block, and the outside of the T-shaped rotating block is rotatably connected with a foot pad, four included angles of the upper end surface of the bottom plate are respectively provided with a square sliding column, and the upper parts of the front and rear end surfaces of each square sliding column are respectively provided with a rectangular sliding block, the central part of the upper end surface of the bottom plate is provided with a first shaft sleeve, and the first shaft sleeve is internally provided with an annular clamping groove, the lower end of each supporting screw rod is provided with a hexagonal rotating block, a rotating hand wheel is arranged outside the hexagonal rotating block, universal wheels are mounted on the bottom end faces of four supporting legs at the bottom of the bottom plate, and the upper end face of each square sliding column and the upper end face of the lifting screw rod are located on the same horizontal plane;

furthermore, the lifting mechanism comprises a square sliding cylinder, a second thread cylinder and a lifting screw rod, the four included angles of the bottom end surface of the lifting mechanism are respectively provided with one square sliding cylinder, two strip-shaped sliding openings are respectively arranged on the front end surface and the rear end surface of each square sliding barrel, a second threaded barrel is arranged at the central part of the bottom end surface of the lifting mechanism, a lifting screw rod penetrating through the bottom plate is connected in the second threaded cylinder through threads, an annular clamping block is arranged on the lower side of the outer peripheral surface of the lifting screw rod, when the lifting mechanism and the bottom plate are in the installation state, the annular clamping block on the lifting screw is rotationally connected with the annular clamping groove in the first shaft sleeve, and the four square sliding cylinders are respectively connected with the four square sliding columns in a sliding way, two T-shaped sliding chutes and one square sliding chute are arranged on the right side of the upper end surface of the lifting mechanism, two strip-shaped sliding openings are formed in the left side of the upper end face of the lifting mechanism, and strip-shaped sliding chutes are formed in the left side face and the right side face inside each strip-shaped sliding opening;

further, when the pedal is in a treading state, the rack is meshed with the second gear, and the ratchet-shaped grooves on the two driving disks are symmetrically distributed;

furthermore, the leg fixing part comprises a fixed base, a thread driving block, an adjusting screw, a pressing cover, a pressing screw, a pressing plate, a pressing arc plate, a second shaft sleeve and a limiting buckle, wherein the bottom end face of the fixed base is provided with two T-shaped sliding blocks and one thread driving block, the thread driving block is connected with the adjusting screw through threads, the adjusting screw is rotatably connected in a lifting mechanism upper-shaped chute through two bearing supporting blocks, the fixed base is rotatably connected with the pressing cover through a rotating shaft, the pressing cover is distributed in a shape like a Chinese character 'ji', the center part of the top end face of the pressing cover is provided with a thread thickening block, the pressing screw is connected in the thread thickening block through threads, the upper end and the lower end of the pressing screw are respectively provided with a rotating hand wheel and a T-shaped clamping block, the outer part of the T-shaped clamping block is rotatably connected with the second shaft sleeve, the front side and the rear side of the compression plate are respectively provided with two T-shaped sliding blocks, the front side surface and the rear side surface in the compression cover are respectively provided with a T-shaped sliding groove in sliding connection with the T-shaped sliding blocks, the compression plate is connected with eight T-shaped sliding columns in a sliding manner, the lower ends of the eight T-shaped sliding columns are fixedly connected with two compression arc-shaped plates, the outer part of each T-shaped sliding column is sleeved with a spring, the upper end surface of the fixed base is provided with two arc-shaped grooves, the front side of the upper end surface of the fixed base is provided with a rectangular bayonet, the bottom end surface of the front side of the compression cover is provided with two rectangular sliding ports, each rectangular sliding port is internally provided with a transverse sliding column, the outer part of each transverse sliding column is connected with a limiting buckle in a sliding manner, the outer part of each transverse sliding column is sleeved with a spring;

furthermore, the hand fixing piece comprises cambered surface cushion blocks, wrapping belts, magic tape hook surfaces and magic tape hair surfaces, the left side of the upper end surface of the hand fixing piece is symmetrically provided with the two cambered surface cushion blocks, the upper end surface of each cambered surface cushion block is provided with a rectangular frame opening, each cambered surface cushion block is connected with one wrapping belt penetrating through the rectangular frame opening, the wrapping belts are respectively provided with the magic tape hook surfaces and the magic tape hair surfaces, and when the wrapping belts are in a tight binding state, the magic tape hook surfaces and the magic tape hair surfaces are adhered;

furthermore, the head fixing piece comprises a clamping screw, an L-shaped clamping block and a clamping air bag, the clamping screw is rotatably connected to the left side of the bottom end face of the lifting mechanism through a bearing support block, rotating hand wheels are arranged at two ends of the clamping screw, two reverse threads are arranged on the outer peripheral face of the clamping screw, two nuts are connected to the outer portion of the clamping screw through the two reverse threads, each nut is provided with the L-shaped clamping block which is in sliding connection with a strip-shaped sliding opening of the lifting mechanism, opposite faces of the two L-shaped clamping blocks are provided with cambered surface clamping plates, and opposite faces of the two cambered surface clamping plates are provided with the clamping air bag;

further, complementary unit includes battery housing, control switch, metal forming hose, square magnifier and LED lamp area, battery housing fixes in elevating system up end left side rear portion contained angle department, and installs rechargeable battery in the battery housing, the battery housing up end is equipped with metal forming hose, and the terminal surface installs control switch before the battery housing, the metal forming hose other end is connected with square magnifier, and square magnifier bottom end face edge is equipped with LED lamp area, LED lamp area is ordinary electric connection through rechargeable battery in control switch and the battery housing.

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

according to the invention, through the arrangement of the leg fixing piece, the hand fixing piece and the head fixing piece, during injection, a child to be injected is laid on the lifting mechanism, the leg is placed in the leg fixing piece to be compressed, then the hand of the child is tightly bound to two sides of the hand fixing piece through the two wrapping belts, then the head of the child is placed between the two clamping air bags, the two L-shaped clamping blocks are relatively moved under the action of threads by rotating the clamping screw rod, so that the head of the child is clamped through the two clamping air bags, then the injection is carried out, further, the time and labor are saved during the injection of the head of the child, the body of the child has better firmness during the injection of the head of the child, and the convenience during the injection of the head of the child is further improved.

According to the invention, through the cooperation of the pedal mechanism and the lifting mechanism, when the height of the lifting mechanism is too low, the right pedal plate is treaded by the foot, so that the right rack slides downwards and is meshed with the right second gear to drive the right second gear to rotate clockwise, then the right driving disc drives the right first gear to rotate clockwise through the two pawls on the right pawl mounting piece, so that the middle first gear rotates anticlockwise, the bevel gear on the first rotating shaft drives the bevel gear on the lifting screw to rotate anticlockwise, and then the second threaded barrel drives the lifting mechanism to move upwards under the screw thread action of the lifting screw, so that the height of the lifting mechanism is adjusted, manual adjustment is not needed, and the adjustment of the lifting mechanism is more convenient.

According to the invention, through the arrangement of the auxiliary mechanism, the LED lamp belt at the bottom of the square magnifier is opened through the control switch during injection, then the square magnifier is adjusted to the head of a child, the position of the square magnifier is adjusted more flexibly through the arrangement of the metal shaping hose, and then the blood vessel at the head of the child is found more visually through the matching of the square magnifier and the LED lamp belt, so that the injection can be found more quickly when the blood vessel at the head of the child is thinner, and the injection efficiency of the head of the child during injection is further improved.

Drawings

Fig. 1 is a first view structure diagram of the present invention.

Fig. 2 is a schematic diagram of a second viewing angle structure according to the present invention.

Fig. 3 is a schematic view of the present invention at a part enlarged in fig. 2.

Fig. 4 is a left side view of the present invention.

Fig. 5 is a schematic structural diagram in a split state of the present invention.

Fig. 6 is a schematic structural view of the base plate and the foot pad of the present invention after being disassembled.

Fig. 7 is a schematic structural diagram of the lifting mechanism of the present invention.

FIG. 8 is a schematic illustration of the drive plate and pawl mount of the present invention shown disassembled.

Figure 9 is a schematic view of the leg mount and hand mount construction of the present invention.

Fig. 10 is a partial cross-sectional structural schematic view of the compression cap and second bushing of the present invention.

Fig. 11 is a schematic view of the head mount structure of the present invention.

Fig. 12 is a schematic view of the structure of the auxiliary mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base plate; 101. a first threaded barrel; 102. a support screw; 103. a foot pad; 104. a square sliding column; 105. a first bushing; 2. a lifting mechanism; 201. a square sliding cylinder; 202. a second threaded barrel; 203. a lifting screw; 3. a pedal mechanism; 301. a first rotating shaft; 302. a second rotating shaft; 303. a first gear; 304. driving the disc; 305. an L-shaped slide rail; 306. a rack; 307. a foot pedal; 308. a bevel gear; 309. a pawl mount; 310. a second gear; 4. a leg fixing member; 401. a fixed base; 402. the thread drives the block; 403. adjusting the screw rod; 404. a compression cover; 405. a compression screw; 406. a compression plate; 407. compressing the arc-shaped plate; 408. a second shaft sleeve; 409. a limiting buckle; 5. a hand fixing member; 501. a cambered surface cushion block; 502. wrapping belts; 503. hook surface of magic tape; 504. magic tape hair side; 6. a head fixing member; 601. clamping the screw rod; 602. an L-shaped clamping block; 603. clamping the air bag; 7. an auxiliary mechanism; 701. a battery case; 702. a control switch; 703. a metal sizing hose; 704. a square magnifier; 705. an LED strip.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 12:

the invention provides an intravenous injection auxiliary device for pediatric nursing, which comprises: the bottom plate 1 is provided with a lifting mechanism 2 at the upper part of the bottom plate 1, the bottom plate 1 comprises a first thread cylinder 101, supporting screws 102, a pad 103, square sliding columns 104 and a first shaft sleeve 105, the bottom end of the bottom plate 1 is provided with four first thread cylinders 101 in a bilateral symmetry manner, each first thread cylinder 101 is internally connected with one supporting screw 102 through threads, the lower end of each supporting screw 102 is provided with a T-shaped rotating block, the outer part of the T-shaped rotating block is rotatably connected with the pad 103, four included angles of the upper end surface of the bottom plate 1 are provided with one square sliding column 104, the upper parts of the front and rear end surfaces of each square sliding column 104 are provided with rectangular sliding blocks, the central part of the upper end surface of the bottom plate 1 is provided with the first shaft sleeve 105, the inner part of the first shaft sleeve 105 is provided with an annular clamping groove, the lower end of each supporting screw 102 is provided with a hexagonal rotating block, the outer part of the hexagonal rotating hand wheel is arranged outside the hexagonal, the upper end surface of each square sliding column 104 and the upper end surface of the lifting screw rod 203 are in the same horizontal plane; the pedal mechanism 3 is arranged on the front side of the bottom plate 1, the pedal mechanism 3 comprises a first rotating shaft 301, a second rotating shaft 302, a first gear 303, a driving disc 304, an L-shaped sliding rail 305, a rack 306, a pedal 307, a bevel gear 308, a pawl mounting piece 309 and a second gear 310, the first rotating shaft 301 is rotatably connected to the front side of the bottom plate 1 through a bearing support block, the number of the second rotating shafts 302 is two, the two second rotating shafts 302 are respectively rotatably connected to the bottom of the bottom plate 1 through the bearing support block and are positioned on the left side and the right side of the first rotating shaft 301, the front ends of the first rotating shaft 301 and the second rotating shaft 302 are respectively provided with a first gear 303, one first gear 303 in the middle is respectively meshed with the other two first gears 303, the front end faces of the left first gear 303 and the right gear are respectively and fixedly connected with one driving disc 304, each driving disc 304 is provided with a ratchet-shaped groove, the, the front end face of the pawl mounting piece 309 is fixedly connected with a second gear 310, the pawl mounting piece 309 is connected with two pawls in an annular array manner in a rotating manner, a spring is arranged between each pawl and the pawl mounting piece 309, the number of the L-shaped slide rails 305 is two, the two L-shaped slide rails 305 are symmetrically and fixedly connected to the front end face of the base plate 1 through support blocks, each L-shaped slide rail 305 is provided with a limiting slide bar, the spring is sleeved outside the limiting slide bar, each L-shaped slide rail 305 is connected with a rack 306 in a sliding manner through the limiting slide bar, the front end face of each rack 306 is welded with a pedal 307, the number of the bevel gears 308 is two, the two bevel gears 308 are respectively arranged at the rear end of the first rotating shaft 301 and at the lower end of the lifting screw 203, the two bevel gears 308 are meshed, when the pedal 307 is in a stepping state, the rack 306, so that the rack 306 can drive the second gear 310 to rotate, and the ratchet-shaped grooves on the two driving disks 304 are symmetrically distributed; the right side of the upper end face of the lifting mechanism 2 is provided with a leg fixing part 4, the leg fixing part 4 comprises a fixed base 401, a thread driving block 402, an adjusting screw 403, a pressing cover 404, a pressing screw 405, a pressing plate 406, a pressing arc 407, a second shaft sleeve 408 and a limiting buckle 409, the bottom end face of the fixed base 401 is provided with two T-shaped sliders and the thread driving block 402, the thread driving block 402 is connected with the adjusting screw 403 through threads, the adjusting screw 403 is rotatably connected in a sliding groove above the lifting mechanism 2 through two bearing supporting blocks, the fixed base 401 is rotatably connected with the pressing cover 404 through a rotating shaft, the pressing cover 404 is distributed in a shape like a Chinese character 'ji', the center part of the top end face of the pressing cover 404 is provided with a thread thickening block, the pressing screw 405 is connected in the thread thickening block through threads, the upper end and the lower end of the pressing screw 405 are respectively provided with a rotating hand wheel and a, a pressing plate 406 is fixedly connected to the bottom end surface of the second shaft sleeve 408, two T-shaped sliding blocks are arranged on the front side and the rear side of the pressing plate 406, T-shaped sliding grooves connected with the T-shaped sliding blocks in a sliding manner are formed in the front side and the rear side of the pressing cover 404, eight T-shaped sliding columns are connected on the pressing plate 406 in a sliding manner, two pressing arc plates 407 are fixedly connected to the lower ends of the eight T-shaped sliding columns, a spring is sleeved outside each T-shaped sliding column, two arc grooves are formed in the upper end surface of the fixed base 401, a rectangular bayonet is formed in the front side of the upper end surface of the fixed base 401, two rectangular sliding ports are formed in the bottom end surface of the front side of the pressing cover 404, a transverse sliding column is arranged in each rectangular bayonet, a limiting buckle 409 is connected outside each transverse sliding column in a sliding manner, a spring is sleeved outside each transverse sliding column, when the pressing cover 404 is in a pressing state, the, so that the hold-down cap 404 can be effectively limited; the left side of the leg fixing piece 4 is fixedly connected with a hand fixing piece 5, the hand fixing piece 5 comprises an arc-shaped cushion block 501, a strap 502, a magic tape hook surface 503 and a magic tape hair surface 504, the left side of the upper end surface of the hand fixing piece 5 is symmetrically provided with two arc-shaped cushion blocks 501, the upper end surface of each arc-shaped cushion block 501 is provided with a rectangular frame opening, each arc-shaped cushion block 501 is connected with one strap 502 penetrating through the rectangular frame opening, the strap 502 is respectively provided with the magic tape hook surface 503 and the magic tape hair surface 504, and when the strap 502 is in a tight binding state, the magic tape hook surface 503 and the magic tape hair surface 504 are fastened together, so that the strap 502 can bind the hands of children more easily; the hand fixing piece 5 is of a T-shaped plate block structure; the left side of the upper portion of the lifting mechanism 2 is provided with a head fixing part 6, an auxiliary mechanism 7 is arranged at a left rear included angle of the upper end face of the lifting mechanism 2, the auxiliary mechanism 7 comprises a battery shell 701, a control switch 702, a metal shaping hose 703, a square magnifier 704 and an LED lamp strip 705, the battery shell 701 is fixed at the left rear included angle of the upper end face of the lifting mechanism 2, a rechargeable battery is installed in the battery shell 701, the upper end face of the battery shell 701 is provided with the metal shaping hose 703, the front end face of the battery shell 701 is provided with the control switch 702, the other end of the metal shaping hose 703 is connected with the square magnifier 704, the edge of the bottom end face of the square magnifier 704 is provided with the LED lamp strip 705, the LED lamp strip which is used for enabling the common DIY 2835 type LED lamp strip on the market is adopted by the LED.

Wherein, the lifting mechanism 2 comprises square sliding cylinders 201, a second threaded cylinder 202 and a lifting screw 203, four included angles of the bottom end surface of the lifting mechanism 2 are respectively provided with one square sliding cylinder 201, the front end surface and the rear end surface of each square sliding cylinder 201 are respectively provided with two strip-shaped sliding ports, the center part of the bottom end surface of the lifting mechanism 2 is provided with the second threaded cylinder 202, the inside of the second threaded cylinder 202 is connected with the lifting screw 203 penetrating through the bottom plate 1 through threads, the lower side of the outer peripheral surface of the lifting screw 203 is provided with an annular clamping block, when the lifting mechanism 2 and the bottom plate 1 are in an installation state, the annular clamping block on the lifting screw 203 is rotationally connected with the annular clamping groove in the first shaft sleeve 105, and the four square sliding cylinders 201 are respectively connected with the four square sliding posts 104 in a sliding manner, so that the lifting mechanism 2 is more stable when moving up and down, the right side of the upper end surface of the lifting mechanism 2, the left side face and the right side face inside each strip-shaped sliding opening are provided with strip-shaped sliding grooves.

Wherein, head mounting 6 includes clamping screw 601, L type clamp splice 602 and clamping airbag 603, clamping screw 601 rotates through bearing support piece and connects in 2 bottom faces left sides of elevating system, and clamping screw 601 both ends all are equipped with the rotation hand wheel, clamping screw 601 outer peripheral face is equipped with two reverse screw threads, and clamping screw 601 outside has two nuts through two reverse screw thread connections, all be equipped with on every nut with elevating system 2 upper strip shape sliding port sliding connection's L type clamp splice 602, and two L type clamp splice 602 opposite faces all are equipped with an arc splint, two arc splint opposite faces all are equipped with clamping airbag 603, make head mounting 6 have better travelling comfort when pressing from both sides tight to children's head.

When in use: the injection auxiliary device is moved to a required position through a universal wheel at the bottom of a bottom plate 1, then the support screw 102 is rotated to drive a foot pad 103 to move downwards under the action of threads, when the bottom end surface of the foot pad 103 is contacted with the ground, the bottom plate 1 is jacked upwards, so that the injection auxiliary device is more stable in use, then a child to be injected is enabled to lie on a lifting mechanism 2, legs are placed in two arc-shaped grooves on a fixed base 401, then a pressing cover 404 is closed, a limiting buckle 409 is clamped with a rectangular bayonet on the fixed base 401, so that two pressing arc-shaped plates 407 press the legs of the child, a second shaft sleeve 408 drives a pressing plate 406 to move up and down by rotating the pressing screw 405, so that the pressing force of the pressing arc-shaped plates 407 is adjusted, then hands of the child are tightly tied to two sides of a hand part 5 through two belt fixing parts 502, the hands of the child are limited, then the head of the child is placed between the two clamping air bags 603, the two L-shaped clamping blocks 602 are moved relatively under the action of threads by rotating the clamping screw 601, so that the head of the child is clamped by the two clamping air bags 603, and then the injection is performed, so that the head of the child is more time-saving and labor-saving during injection, the body of the child has better firmness during injection, and the convenience of the head of the child during injection is improved;

when the height of the lifting mechanism 2 is too low during injection, the foot treadles the right pedal 307 to enable the right rack 306 to slide downwards and to be meshed with the right second gear 310 to drive the right second gear 310 to rotate clockwise, then the right driving disc 304 drives the right first gear 303 to rotate clockwise through the two pawls on the right pawl mounting piece 309, so that the middle first gear 303 rotates anticlockwise, the first rotating shaft 301 upper bevel gear 308 drives the lifting screw 203 upper bevel gear 308 to rotate anticlockwise, the lifting screw 203 rotates anticlockwise, then the second threaded cylinder 202 drives the lifting mechanism 2 to move upwards under the action of threads, and therefore the height of the lifting mechanism 2 is adjusted without manual adjustment, and the adjustment of the lifting mechanism 2 is more convenient; when the height of the lifting mechanism 2 is too high, the operation is carried out according to the reverse direction;

when the injection, open square magnifying glass 704 bottom LED lamp area 705 through with control switch 702, then adjust square magnifying glass 704 to children's head, through the setting of metal design hose 703, it is more nimble when making square magnifying glass 704 position control, then through the cooperation of square magnifying glass 704 with LED lamp area 705, it is more directly perceived when making children's head blood vessel seek, thereby also can be more quick when meetting thinner blood vessel find the injection, and then injection efficiency when having improved children's head injection.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An intravenous injection auxiliary device that paediatrics nursing was used which characterized in that: the lifting mechanism (2) is arranged on the upper portion of the bottom plate (1), the pedal mechanism (3) is arranged on the front side of the bottom plate (1), the pedal mechanism (3) comprises a first rotating shaft (301), a second rotating shaft (302), a first gear (303), a driving disc (304), an L-shaped sliding rail (305), a rack (306), a pedal (307), a bevel gear (308), a pawl mounting piece (309) and a second gear (310), the first rotating shaft (301) is rotatably connected to the front side of the bottom plate (1) through a bearing support piece, the number of the second rotating shafts (302) is two, the two second rotating shafts (302) are respectively rotatably connected to the bottom of the bottom plate (1) through the bearing support piece and are located on the left side and the right side of the first rotating shaft (301), the first gears (303) are arranged at the front ends of the first rotating shaft (301) and the second rotating shaft (302), a first gear (303) at the middle part is respectively meshed with the other two first gears (303), the front end faces of the left and right first gears (303) are fixedly connected with a driving disc (304), the front end face of each driving disc (304) is provided with a ratchet-shaped groove, a pawl mounting piece (309) is rotatably connected in each ratchet-shaped groove through a rotating shaft, the front end face of each pawl mounting piece (309) is fixedly connected with a second gear (310), the pawl mounting pieces (309) are rotatably connected with two pawls in an annular array shape, a spring is arranged between each pawl and each pawl mounting piece (309), the number of the L-shaped slide rails (305) is two, the two L-shaped slide rails (305) are symmetrically fixedly connected to the front end face of the bottom plate (1) through supporting blocks, each L-shaped slide rail (305) is provided with a limiting slide bar, and the springs are sleeved outside the limiting slide rails, each L-shaped sliding rail (305) is connected with a rack (306) in a sliding mode through a limiting sliding rod, a pedal (307) is welded to the front end face of each rack (306), the number of the bevel gears (308) is two, the two bevel gears (308) are respectively arranged at the rear end of the first rotating shaft (301) and at the lower end of the lifting screw (203), and the two bevel gears (308) are meshed with each other; a leg fixing piece (4) is arranged on the right side of the upper end face of the lifting mechanism (2), and a hand fixing piece (5) is fixedly connected to the left side of the leg fixing piece (4); the hand fixing piece (5) is of a T-shaped plate block structure; a head fixing piece (6) is arranged on the left side of the upper portion of the lifting mechanism (2), and an auxiliary mechanism (7) is arranged at a corner of the rear portion of the left side of the upper end face of the lifting mechanism (2).

2. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: the bottom plate (1) comprises first threaded cylinders (101), supporting screws (102), foot pads (103), square sliding columns (104) and first shaft sleeves (105), the bottom end of the bottom plate (1) is bilaterally symmetrical and is provided with four first threaded cylinders (101), each first threaded cylinder (101) is internally connected with one supporting screw (102) through threads, the lower end of each supporting screw (102) is provided with a T-shaped rotating block, the outside of each T-shaped rotating block is rotatably connected with the foot pads (103), the four corners of the upper end face of the bottom plate (1) are respectively provided with one square sliding column (104), the upper parts of the front end face and the rear end face of each square sliding column (104) are respectively provided with a rectangular sliding block, the center part of the upper end face of the bottom plate (1) is provided with the first shaft sleeve (105), an annular clamping groove is arranged inside the first shaft sleeve (105), and the lower end of each supporting screw (102) is provided with a hexagonal, and a rotating hand wheel is arranged outside the hexagonal rotating block, universal wheels are mounted on the bottom end faces of four supporting legs at the bottom of the bottom plate (1), and the upper end face of each square sliding column (104) and the upper end face of the lifting screw rod (203) are located on the same horizontal plane.

3. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: the lifting mechanism (2) comprises square sliding cylinders (201), second threaded cylinders (202) and lifting screws (203), wherein the four corners of the bottom end face of the lifting mechanism (2) are respectively provided with one square sliding cylinder (201), the front end face and the rear end face of each square sliding cylinder (201) are respectively provided with two strip-shaped sliding ports, the center part of the bottom end face of the lifting mechanism (2) is provided with the second threaded cylinder (202), the inside of the second threaded cylinder (202) is connected with the lifting screw (203) penetrating through the bottom plate (1) through threads, the lower side of the outer peripheral face of each lifting screw (203) is provided with an annular clamping block, when the lifting mechanism (2) and the bottom plate (1) are in an installation state, the annular clamping block on each lifting screw (203) is rotatably connected with the annular clamping groove in the first shaft sleeve (105), the four square sliding cylinders (201) are respectively connected with four square sliding columns (104) in a sliding manner, the right side of the upper end face of the lifting mechanism (2) is provided with, and two strip-shaped sliding openings are formed in the left side of the upper end face of the lifting mechanism (2), and strip-shaped sliding chutes are formed in the left side face and the right side face of the inside of each strip-shaped sliding opening.

4. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: when the foot pedal (307) is in a stepping state, the rack (306) is meshed with the second gear (310), and the ratchet-shaped grooves on the two driving disks (304) are distributed symmetrically.

5. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: the leg fixing part (4) comprises a fixing base (401), a thread driving block (402), an adjusting screw (403), a pressing cover (404), a pressing screw (405), a pressing plate (406), a pressing arc plate (407), a second shaft sleeve (408) and a limiting buckle (409), wherein the bottom end face of the fixing base (401) is provided with two T-shaped sliders and the thread driving block (402), the thread driving block (402) is connected with the adjusting screw (403) through threads, the adjusting screw (403) is rotatably connected into a square sliding groove above the lifting mechanism (2) through two bearing support blocks, the fixing base (401) is rotatably connected with the pressing cover (404) through a rotating shaft, the pressing covers (404) are distributed in a shape like a Chinese character 'ji', the center part of the top end face of the pressing cover (404) is provided with a thread thickening block, and the thread thickening block is internally connected with the pressing screw (405) through threads, the upper end and the lower end of the compression screw (405) are respectively provided with a rotating hand wheel and a T-shaped clamping block, the outer part of the T-shaped clamping block is rotatably connected with a second shaft sleeve (408), the bottom end face of the second shaft sleeve (408) is fixedly connected with a compression plate (406), the front side and the rear side of the compression plate (406) are respectively provided with two T-shaped sliding blocks, the front side and the rear side of the compression cover (404) are respectively provided with a T-shaped sliding chute in sliding connection with the T-shaped sliding blocks, the compression plate (406) is slidably connected with eight T-shaped sliding columns, the lower ends of the eight T-shaped sliding columns are fixedly connected with two compression arc-shaped plates (407), the outer part of each T-shaped sliding column is sleeved with a spring, the upper end face of the fixed base (401) is provided with two arc-shaped grooves, the front side of the upper end face of the fixed base (401) is provided with a rectangular bayonet, every horizontal traveller outside all sliding connection has a spacing buckle (409), and every horizontal traveller outside has all cup jointed the spring, works as when compressing tightly lid (404) is in the state of compressing tightly, two spacing buckles (409) all with unable adjustment base (401) on rectangle bayonet socket looks joint.

6. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: hand mounting (5) are including cambered surface cushion (501), band (502), hook face (503) and magic tape matt surface (504), hand mounting (5) up end left side is the symmetry form and is equipped with two cambered surface cushion (501), and every cambered surface cushion (501) up end all is equipped with the rectangle frame mouth, every all be connected with a band (502) that passes the rectangle frame mouth on cambered surface cushion (501), and be equipped with magic tape hook face (503) and magic tape matt surface (504) on band (502) respectively, work as when band (502) are in the state of tying up, magic tape hook face (503) and magic tape matt surface (504) thread gluing mutually.

7. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: head mounting (6) are including clamping screw (601), L type clamp splice (602) and pressing from both sides tight gasbag (603), clamping screw (601) rotates through bearing prop up the piece and connects in elevating system (2) bottom face left side, and clamping screw (601) both ends all are equipped with the rotation hand wheel, clamping screw (601) outer peripheral face is equipped with two reverse screw threads, and clamping screw (601) outside has two nuts through two reverse threaded connection, all is equipped with on every nut with elevating system (2) strip spout sliding connection's L type clamp splice (602), and two L type clamp splice (602) opposite faces all are equipped with an cambered surface splint, and two cambered surface splint opposite faces all are equipped with and press from both sides tight gasbag (603).

8. An intravenous administration assistance apparatus for pediatric care as defined in claim 1, wherein: the auxiliary mechanism (7) comprises a battery shell (701), a control switch (702), a metal shaping hose (703), a square magnifier (704) and an LED lamp strip (705), wherein the battery shell (701) is fixed at a left rear included angle of the upper end face of the lifting mechanism (2), a rechargeable battery is installed in the battery shell (701), the upper end face of the battery shell (701) is provided with the metal shaping hose (703), the front end face of the battery shell (701) is provided with the control switch (702), the other end of the metal shaping hose (703) is connected with the square magnifier (704), the edge of the bottom end face of the square magnifier (704) is provided with the LED lamp strip (705), and the LED lamp strip (705) is electrically connected with the rechargeable battery in the battery shell (701) through the control switch (702).