CN214965638U

CN214965638U - Medical paediatrics arm fixing device that draws blood

Info

Publication number: CN214965638U
Application number: CN202120943958.XU
Authority: CN
Inventors: 徐文华; 刘龙秀
Original assignee: Jiangsu Province Hospital First Affiliated Hospital Of Nanjing Medical University
Current assignee: Jiangsu Province Hospital First Affiliated Hospital Of Nanjing Medical University
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a medical paediatrics arm fixing device that draws blood, including big arm support, elbow rest and forearm support, big arm support and forearm support set up in the both ends of elbow rest through the connecting plate rotation, can laminate after big arm support and forearm support rotate, binding face swing joint; the utility model discloses can hold in the palm the cooperation through the arm that sets up and forearm support, fix the arm that children's patient bled blood, prevent that the patient from waving the arm because of fear, through normal running fit between big arm support, elbow support and the forearm support that sets up, can adjust the angle that big arm held in the palm and forearm support according to children's patient's position.

Description

Medical paediatrics arm fixing device that draws blood

Technical Field

The utility model relates to a medical science field, specificly a medical paediatrics arm fixing device that draws blood.

Background

At present, in the daily treatment of paediatrics, the blood test is the important auxiliary means of doctor's diagnosis children's disease, and when drawing blood for children, generally gather from the arm, most children can produce the fear psychology when seeing the syringe needle, thereby not cooperate the blood of drawing blood, and wave the arm in order to open the syringe needle more, the device of fixing has been carried out to children's arm to the specialty in the market at present, but this type of device, the position gesture of both can't effectively adapt to children when drawing blood, again can't fold and accomodate, occupation space is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, to the shortcoming of above prior art, provide a medical paediatrics arm fixing device that draws blood, the utility model discloses convenient operation, safe and reliable, simple structure, it is with low costs both can fold and accomodate, reduce occupation space, can also adjust the angle that big arm held in the palm and forearm held in the palm according to position and gesture when children draw blood, alleviate children and medical personnel's burden.

In order to solve the technical problem, the technical scheme of the utility model is realized through following mode: the utility model provides a medical paediatrics arm fixing device that draws blood which characterized in that: the elbow support comprises a large arm support, an elbow support and a small arm support, wherein the large arm support and the small arm support are rotatably arranged at two ends of the elbow support through a plurality of connecting plates and are movably connected;

the big arm support comprises a first support, a plurality of first air bags, a plurality of groups of first buckles, a plurality of first tightening belts and a rotating plate, the first support consists of a first U-shaped support and a first arc-shaped support, two ends of the first arc-shaped support are fixedly connected with two ends of the first U-shaped support, the first air bags are evenly arranged on the first arc-shaped support at intervals along the length direction of the first arc-shaped support, the first air bags are communicated with each other through an air pipe, the plurality of groups of first buckles are arranged at the upper end of the first arc-shaped support along the length direction of the first arc-shaped support, each group of first buckles consists of a first fixed buckle and a first movable buckle, each group of first buckles are symmetrically arranged at the upper end of the first arc-shaped support, one end of each first tightening belt is fixedly connected with the first fixed buckle in the group of first buckles, and the free end of each first tightening belt passes through the first movable buckle and is movably connected with the first movable buckle, the rotating plate is rotatably arranged at one end of the first U-shaped bracket;

the elbow support comprises an elbow support and a silica gel cushion, wherein a plurality of angle limiting holes are formed in two side edges of two ends of the elbow support along the length direction, the silica gel cushion is arranged at the upper end of the elbow support, a plurality of connecting plates are provided with through holes matched with the angle limiting holes, a limiting bolt penetrates through each through hole in each connecting plate, and the limiting bolt is in threaded connection with one angle limiting hole;

the forearm support comprises a second support, a plurality of second air bags, a plurality of groups of second hasps, a plurality of second tightening belts and a tourniquet, the second support consists of a second U-shaped support and a second arc-shaped support, the plurality of second air bags are uniformly arranged on the second arc-shaped support at intervals along the length direction of the second arc-shaped support, the plurality of second air bags are communicated with each other through an air pipe, the plurality of groups of second hasps are uniformly arranged at the upper end of the second arc-shaped support at intervals along the length direction of the second arc-shaped support, each group of second hasps comprises a second fixed buckle and a second movable buckle, the plurality of second tightening belts are respectively arranged on the plurality of groups of second buckles, one end of one second tightening belt is fixedly connected with the second fixed buckle in one group of second buckles, the other end of the second tightening belt passes through the second movable buckle in the same group and is movably connected with the second tightening belt through a magic tape, one end of the tourniquet is fixedly connected with the second fixed buckle in one group of second buckles, the other end of the elastic piece penetrates through a second movable buckle in the same group;

one ends of the connecting plates are respectively movably connected with the first U-shaped support and the second U-shaped support, and the other ends of the connecting plates are rotatably connected with the elbows;

the utility model discloses, through the cooperation between big arm support, elbow support and the forearm support that sets up, both can fold the whole and accomodate, after expanding, can adjust the angle of big arm support and forearm support according to the angle that suits children patient's arm to put again, fix children patient's arm at the most comfortable angle of children patient, both can increase patient's comfort level, can reduce medical personnel's work load again, alleviate children and medical personnel's burden; the first air bag and the second air bag are arranged to adapt to patients with different body types, and the arms of the patients are clamped after the air bags are inflated, so that the air bags are stable and comfortable; through the tourniquet that sets up, can press the disposable cotton ball of patient's position of drawing blood after the work of drawing blood is accomplished to play hemostatic effect.

The utility model discloses the technical scheme who further injects is:

the elastic clamp is arranged at one end, provided with the rotating plate, of the first U-shaped support, the first positioning hole matched with the elastic clamp is formed in the rotating plate, and the rotating plate is movably connected with the first U-shaped support through the cooperation of the first positioning hole formed in the rotating plate and the elastic clamp.

Two side walls of the first U-shaped support and the second U-shaped support in the width direction are respectively provided with a plurality of length adjusting holes which are uniformly arranged at intervals, and the connecting plate is provided with two fixing holes matched with the length adjusting holes; the connecting plate is matched with the length adjusting holes arranged on the first U-shaped support and the second U-shaped support, so that the distance between the large arm support, the elbow support and the small arm support is adjusted, and the device is suitable for patients with different arm lengths.

The bottom end of the first U-shaped support is provided with a slot, a rectangular shielding plate in sliding connection is arranged in the slot, one end of the rectangular shielding plate is provided with an inward-formed arc-shaped notch, two second positioning holes are symmetrically formed in two sides of the rectangular shielding plate in the width direction, and the two second positioning holes are formed in one end, provided with the arc-shaped notch, of the rectangular shielding plate; through the rectangle shielding plate that sets up, both convenient storage can shelter from children patient's sight again, prevents that the patient from seeing the syringe needle and producing the fear.

The top ends of the two sides of the first arc-shaped support are provided with mounting grooves which are formed inwards, one side wall of each mounting groove, which is close to the first U-shaped support, is provided with a threaded hole which penetrates through the side wall, and the threaded hole is internally threaded with a fixing bolt which can be in sliding fit with the second positioning hole; through the mounting groove that sets up, can insert the mounting groove with the rectangle shielding plate in to through fixing bolt and the cooperation of second locating hole, fix the rectangle shielding plate.

A rectangular notch is formed in one side wall of one end, provided with the rotating plate, of the first U-shaped support; through the rectangular notch, the air channel guide pipe can be conveniently extended out of the first support when the rotating plate is closed.

One first air bag close to the rotating plate is provided with a first exhaust port, and an inflation port of the first air bag is provided with a first one-way valve; one of the second air bags close to the elbow support is provided with a second air outlet, and the inflation inlet of the second air bag is provided with a second one-way valve; through the cooperation of gas vent and check valve, can easily regulate and control the atmospheric pressure in first gasbag and the second gasbag, adapt to different patient's demands.

A hemostatic air bag is arranged on the tourniquet, a second pressing inflatable ball is arranged on the hemostatic air bag, a third air outlet is arranged on the hemostatic air bag, and a third one-way valve is arranged between the hemostatic air bag and the pressing inflatable ball; through the hemostasis gasbag that sets up, can adjust the pressure of pressing patient's acupuncture wound, through the cooperation of the third gas vent and the third check valve that set up, both conveniently aerify to the hemostasis gasbag, the convenient gasbag that will stanch of again is deflated.

The lower end of the elbow support is provided with a plurality of fixed seats, and each fixed seat is provided with a sucker in threaded connection; the elbow support can be fixed with a certain plane through the arranged sucking disc.

The upper end of the first U-shaped support is provided with a neodymium magnet, and the second U-shaped support is provided with an attraction block matched with the neodymium magnet; through neodymium magnet and actuation piece cooperation, hold in the palm big arm and hold in the palm the laminating with the forearm and fix, and conveniently hold in the palm big arm and hold in the palm separately with the forearm again, simple structure, convenient operation.

The utility model has the advantages that: through the technical scheme of the utility model, the paediatrics arm fixing device that draws blood that sets up, through the cooperation between big arm support, elbow support and the forearm support that sets up, both can fold the whole and accomodate, after expanding, can adjust the angle that big arm support and forearm support according to the angle that suits children patient's arm to put again, fix children patient's arm at the most comfortable angle of children patient, both can increase patient's comfort level, can reduce medical personnel's work load again, alleviate children and medical personnel's burden; through the first gasbag and the second gasbag that set up, adapt to the patient of different sizes, the gasbag inflates the back and presss from both sides tight patient's arm, and is both firm and comfortable, through the tourniquet that sets up, can press the disposable cotton ball of patient's position of drawing blood after the work of drawing blood is accomplished to play hemostatic effect.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention in the unfolded state;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a left side view of the expanded state of the present invention;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at D;

fig. 7 is a schematic view of the external structure of the folded state of the present invention;

wherein: 1-a first bracket, 1 a-a first U-shaped bracket, 1 b-a first arc-shaped bracket, 1 c-a mounting groove, 1 d-a threaded hole, 1 e-a rectangular notch, 2-a first air bag, 3-a first hasp, 3 a-a first fixing buckle, 3 b-a first movable buckle, 4-a first tightening belt, 5-a rotating plate, 5 a-a first positioning hole, 6-a first one-way valve, 7-a connecting plate, 7 a-a limiting bolt, 7 b-a fixing hole, 8-an elbow bracket, 8 a-an angle limiting hole, 9-a silica gel cushion, 10-a second bracket, 10 a-a second U-shaped bracket, 10 b-a second arc-shaped bracket, 11-a second air bag, 12-a second hasp, 12 a-a second fixing buckle, 12 b-a second movable buckle, 13-a second tightening strap, 14-a tourniquet, 15-a pressing inflatable ball, 16-an elastic clamp, 17-a length adjusting hole, 18-a slot, 19-a rectangular baffle plate, 19 a-an arc notch, 19 b-a second positioning hole, 20-a fixing bolt, 21-a tourniquet, 21 a-a third one-way valve, 22-a first exhaust port, 23-a third exhaust port, 24-a fixed seat, 25-a sucker, 26-a neodymium magnet, 27-an absorption block, 28-a second exhaust port and 29-a second one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention.

It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.

Example 1

As shown in fig. 1, a medical pediatric blood drawing arm fixing device comprises a large arm support, an elbow support and a small arm support, wherein the large arm support and the small arm support are rotatably arranged at two ends of the elbow support through a plurality of connecting plates 7 and are movably connected; the big arm holds in the palm and the big arm laminating of children patient is fixed, and children patient's elbow supports the elbow support, and the forearm holds in the palm and the laminating of children patient forearm is fixed, and tourniquet 14 corresponds the setting of blood drawing acupuncture point.

As shown in fig. 1 and 2, the upper arm support comprises a first support 1, a plurality of first air bags 2, a plurality of groups of first hasps 3, a plurality of first tightening belts 4 and a rotating plate 5, wherein the first support 1 comprises a first U-shaped support 1a and a first arc-shaped support 1b, two ends of the first arc-shaped support 1b are fixedly connected with two ends of the first U-shaped support 1a, the plurality of first air bags 2 are uniformly arranged on the first arc-shaped support 1b at intervals along the length direction of the first arc-shaped support 1b, the plurality of first air bags 2 are communicated with each other through an air pipe, the plurality of groups of first hasps 3 are arranged at the upper end of the first arc-shaped support 1b along the length direction of the first arc-shaped support 1b, each group of first hasps 3 comprises a first fixed buckle 3a and a first movable buckle 3b, each group of first hasps 3 is symmetrically arranged at the upper end of the first arc-shaped support 1b, one end of the first tightening belts 4 is fixedly connected with the fixed buckles 3a of the first group of the first hasps 3, the free end of the first tightening belt 4 penetrates through the first movable buckle 3b and is movably connected with the first tightening belt through a magic tape, and the rotating plate 5 is rotatably arranged at one end of the first U-shaped support 1 a; the free ends of all the first tightening belts 4 are pulled out from the first movable buckles 3b, then the skin of the big arm of the patient is attached to the first air bag 2, the free ends of all the first tightening belts 4 penetrate through the first movable buckles 3b and are movably connected with the first tightening belts through magic tapes, and the first air bag 2 is inflated through an inflating device which is connected to the first one-way valve 6, so that the first air bag 2 is attached to the big arm of the patient; if the air pressure in the first air bag 2 is too high, part of the air in the first air bag 2 can be discharged through the first air outlet 22.

As shown in fig. 1, the elbow rest comprises an elbow support 8 and a silica gel cushion 9, wherein a plurality of angle limiting holes 8a are respectively formed in two side edges of two ends of the elbow support 8 along the length direction, the silica gel cushion 9 is arranged at the upper end of the elbow support 8, a plurality of connecting plates 7 are respectively provided with a through hole matched with the angle limiting holes 8a, a limiting bolt 7a penetrates through the through hole of each connecting plate 7, and the limiting bolt 7a is in threaded connection with one angle limiting hole 8 a; the limiting bolt 7a penetrates into the limiting holes 8a with different angles, so that the angle between the connecting plate 7 and the elbow support 8 can be adjusted, namely the angles between the large arm support and the horizontal plane and the angles between the small arm support and the horizontal plane are adjusted; the patient's elbow rests against the silicone cushion 9.

As shown in fig. 1 and 3, the forearm support includes a second support 10, a plurality of second air bags 11, a plurality of sets of second buckles 12, a plurality of second tightening straps 13, and a tourniquet 14, the second support 10 is composed of a second U-shaped support 10a and a second arc-shaped support 10b, the plurality of second air bags 11 are evenly arranged on the second arc-shaped support 10b along the length direction of the second arc-shaped support 10b at intervals, and the plurality of second air bags 11 are communicated with each other through an air tube, the plurality of sets of second buckles 12 are evenly arranged at the upper end of the second arc-shaped support 10b along the length direction of the second arc-shaped support 10b at intervals, each set of second buckles 12 includes a second fixing buckle 12a and a second movable buckle 12b, the plurality of second tightening straps 13 are respectively arranged on the plurality of sets of second buckles 12, and one end of one second tightening strap 13 is fixedly connected with a second fixing buckle 12a in the set of second buckles 12, the other end passes through the second movable buckle 12b in the same group and is movably connected with the tourniquet by a magic tape, one end of the tourniquet 14 is fixedly connected with the second fixed buckle 12a in the group of second buckles 12, and the other end passes through the second movable buckle 12b in the same group; the free ends of all the second tightening straps 13 and the tourniquet 14 are pulled out from the second movable buckle 12b, then the skin of the forearm of the patient is attached to the second air bag 11, the free ends of all the second tightening straps 13 and the tourniquet 14 penetrate through the second movable buckle 12b and are movably connected with the second movable buckle through a magic tape, the free ends are connected to the second one-way valve 29 through an inflating device and inflate the second air bag 11, so that the second air bag 11 is attached to the forearm of the patient, and if the air pressure in the second air bag 11 is too high, part of the air in the second air bag 11 can be exhausted through the second air outlet 28.

One end of each connecting plate 7 is movably connected with the first U-shaped support 1a and the second U-shaped support 10a respectively, the other end of each connecting plate 7 is rotatably connected with the elbow support 8, and the positions of the connecting plates 7, the first U-shaped support 1a and the second U-shaped support 10a are changed, so that the distance between the large arm support, the elbow support and the small arm support can be changed, and the device is suitable for patients with different arm lengths.

When the rotating plate 5 is attached to the end face of the first U-shaped support 1a, the elastic clamp 16 penetrates through the first positioning hole 5a and limits the rotation of the rotating plate 5, and medical staff can clamp the elastic clamp 16 to turn the rotating plate 5.

A plurality of length adjusting holes 17 which are uniformly arranged at intervals are formed in two side walls of the first U-shaped support 1a and the second U-shaped support 10a along the width direction, and two fixing holes 7b matched with the length adjusting holes 17 are formed in the connecting plate 7; the fixing holes 7b on the connecting plate 7 are matched with the length adjusting holes 17 at different positions, so that the distance between the big arm support, the elbow support and the small arm support can be changed, and the device is suitable for patients with different arm lengths.

As shown in fig. 1 and 6, a slot 18 is disposed at the bottom end of the first U-shaped bracket 1a, a rectangular shielding plate 19 connected in a sliding manner is disposed in the slot 18, an arc notch 19a formed inward is disposed at one end of the rectangular shielding plate 19, two second positioning holes 19b are symmetrically disposed on two sides of the rectangular shielding plate 19 along the width direction, and the two second positioning holes 19b are disposed at one end of the rectangular shielding plate 19 where the arc notch 19a is disposed; the top ends of two sides of the first arc-shaped support 1b are provided with mounting grooves 1c which are formed inwards, one side wall of each mounting groove 1c, which is close to the first U-shaped support 1a, is provided with a threaded hole 1d which penetrates through the side wall, the threaded hole 1d is internally threaded with a fixing bolt 20, and the fixing bolt 20 can be in sliding fit with the second positioning hole 19 b; the rotating plate 5 is turned over, the rectangular shielding plate 19 can be taken out of the slot 18, two ends of the arc-shaped notch 19a in the rectangular shielding plate 19 are inserted into the mounting grooves 1c, the fixing bolt 20 is screwed, the fixing bolt 20 extends into the second positioning hole 19b, the rectangular shielding plate 19 can be fixed, the sight of a child patient is shielded, the child patient is prevented from being afraid after seeing the needle head, and then the child patient cry and scream; the fixing bolt 20 is loosened, the fixing bolt 20 is separated from the second positioning hole 19b, the rectangular shielding plate 19 can be taken out, and the rectangular shielding plate 19 is inserted into the slot 18, so that the rectangular shielding plate 19 can be accommodated.

As shown in fig. 2, a rectangular notch 1e is formed in a side wall of the first U-shaped bracket 1a at one end of the rotating plate 5, and the rectangular notch 1e is provided to facilitate connection of the air tube of the inflator to the first air bag 2 without interference of the rotating plate 5.

As shown in fig. 2 and 3, one of the first air bags 2 adjacent to the rotating plate 5 is provided with a first exhaust port 22, and the inflation port of the first air bag 2 is provided with a first check valve 6; the inflating device inflates the first air bag 2 through the first one-way valve 6, so that the current air pressure of the first air bag 2 can be kept, and the air pressure in the first air bag 2 can be reduced by opening the first exhaust port 22; a second air outlet 28 is arranged on one second air bag 11 of the plurality of second air bags 11, which is close to the elbow support 8, a second one-way valve 29 is arranged on an inflation inlet of the second air bag 11, the inflation device inflates the second air bag 11 through the second one-way valve 29, the second air bag 11 can keep the current air pressure, and the air pressure in the second air bag 11 can be reduced by opening the second air outlet 28; the inflator may be inserted into a cavity formed between the first U-shaped bracket 1a and the first curved bracket 1 b.

As shown in fig. 3, a hemostatic air bag 21 is arranged on the tourniquet 14, a pressing inflatable ball 15 is arranged on the hemostatic air bag 21, a third air outlet 23 is arranged on the hemostatic air bag 21, and a third one-way valve 21a is arranged between the hemostatic air bag 21 and the pressing inflatable ball 15; the hemostatic air bag 21 is inflated by pressing the inflatable ball 15 through the third one-way valve 21a, so that the current air pressure of the hemostatic air bag 21 can be maintained, and the air pressure in the hemostatic air bag 21 can be reduced by opening the third air outlet 23.

The lower end of the elbow support 8 is provided with a plurality of fixed seats 24, and each fixed seat 24 is provided with a suction cup 25 connected with a thread; a connecting rod can be added between the suction cup 25 and the fixed seat 24 to raise the height of the elbow support 8.

The upper end of the first U-shaped bracket 1a is provided with a neodymium magnet 26, and the second U-shaped bracket 10a is provided with an attraction block 27 matched with the neodymium magnet 26; the neodymium magnet 26 is matched with the suction block 27 to attach the big arm support and the small arm support.

The using process of the embodiment is as follows:

when blood needs to be collected for a child patient, the movable connection between the large arm support and the small arm support is opened, the large arm support and the small arm support are turned outwards, medical staff hold the elastic card 16 and turn over the rotating plate 5, the rectangular shielding plate 19 is taken out of the slot 18, the rotating plate 5 is turned over, the elastic card 16 is embedded into the first positioning hole 5a, and the rotating plate 5 is fixed; the free ends of all the first tightening belts 4 are pulled out of the first movable buckles 3b, the large arm of the patient is attached to the first air bag 2, the free ends of all the first tightening belts 4 penetrate through the first movable buckles 3b and are movably connected with the first movable buckles through magic tapes, the first air bag 2 is inflated through the inflation device connected to the first one-way valve 6, the first air bag 2 is attached to the large arm of the patient, and an air pipe between the inflation device and the first one-way valve 6 can penetrate through the rectangular notch 1 e; if the air pressure in the first air bag 2 is too high, the first exhaust port 22 can be opened to exhaust partial air in the first air bag 2, after the optimal air pressure of a patient is reached, the first exhaust port 22 is closed, and the connecting position of the connecting plate 7 and the first U-shaped support 1a is adjusted, so that the elbow of the child patient is propped against the middle section of the silica gel cushion 9;

the free ends of all the second lacing tapes 13 and the tourniquet 14 are pulled out from the second movable buckle 12b, the forearm of the patient is attached to the second air bag 11, the connecting position of the connecting plate 7 and the second U-shaped bracket 10a is adjusted, the tourniquet 14 corresponds to the position of the child patient to be pricked to take blood, the free ends of all the second lacing tapes 13 penetrate through the second movable buckle 12b and are movably connected with the second lacing tapes through magic tapes, the second lacing tapes are connected to the second one-way valve 29 through an inflating device to inflate the second air bag 11, the second air bag 11 is attached to the forearm of the patient, if the air pressure in the second air bag 11 is too high, partial air in the second air bag 11 can be discharged through the second air outlet 28, and the first air outlet 22 is closed after the optimal air pressure of the patient is reached;

adjusting the position of a limiting bolt 7a on each connecting plate 7 on an angle limiting hole 8a to adapt to the angle between the current body position of the child patient and the forearm of the large arm;

inserting two ends of an arc-shaped notch 19a on the rectangular shielding plate 19 into the mounting groove 1c, screwing the fixing bolt 20, and enabling the fixing bolt 20 to extend into the second positioning hole 19b, so that the rectangular shielding plate 19 can be fixed, the sight of a child patient is shielded, and the child patient is prevented from being afraid after seeing the needle head and then crying and screaming;

after blood sampling is finished, the third one-way valve 21a can be inflated into the hemostasis air bag 21 by pressing the inflatable ball 15, and the disposable cotton swab is compressed by the hemostasis air bag 21;

the fixing bolt 20 is loosened, the fixing bolt 20 is separated from the second positioning hole 19b, the rectangular shielding plate 19 can be taken out, the rectangular shielding plate 19 is inserted into the slot 18, the rectangular shielding plate 19 can be accommodated, and the inflating device can be plugged into a cavity formed between the first U-shaped support 1a and the first arc-shaped support 1 b.

Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.

Claims

1. The utility model provides a medical paediatrics arm fixing device that draws blood which characterized in that: the elbow support comprises a large arm support, an elbow support and a small arm support, wherein the large arm support and the small arm support are rotatably arranged at two ends of the elbow support through a plurality of connecting plates (7), and the large arm support and the small arm support are movably connected;

the large arm support comprises a first support (1), a plurality of first air bags (2), a plurality of groups of first hasps (3), a plurality of first tightening belts (4) and a rotating plate (5), wherein the first support (1) consists of a first U-shaped support (1 a) and a first arc-shaped support (1 b), two ends of the first arc-shaped support (1 b) are fixedly connected with two ends of the first U-shaped support (1 a), the plurality of first air bags (2) are uniformly arranged on the first arc-shaped support (1 b) at intervals along the length direction of the first arc-shaped support (1 b), the plurality of first air bags (2) are communicated with each other through an air pipe, the plurality of groups of first hasps (3) are arranged at the upper end of the first arc-shaped support (1 b) along the length direction of the first arc-shaped support (1 b), each group of first hasps (3) consists of a first fixed buckle (3 a) and a first movable buckle (3 b), each group of first hasps (3) are symmetrically arranged at the upper end of the first arc-shaped support (1 b), one end of each first tightening belt (4) is fixedly connected with a first fixed buckle (3 a) in each group of first hasps (3), the free end of each first tightening belt (4) passes through the first movable buckle (3 b) and is movably connected with the first movable buckle through a magic tape, and the rotating plate (5) is rotatably arranged at one end of the first U-shaped support (1 a);

the elbow support comprises an elbow support (8) and a silica gel cushion (9), a plurality of angle limiting holes (8 a) are formed in two sides of the elbow support (8) along the two ends of the length direction, the silica gel cushion (9) is arranged at the upper end of the elbow support (8), through holes matched with the angle limiting holes (8 a) are formed in the connecting plates (7), a limiting bolt (7 a) penetrates through the through hole in each connecting plate (7), and the limiting bolt (7 a) is in threaded connection with one angle limiting hole (8 a);

the forearm support comprises a second support (10), a plurality of second air bags (11), a plurality of groups of second fastening tapes (12), a plurality of second fastening tapes (13) and a tourniquet (14), wherein the second support (10) consists of a second U-shaped support (10 a) and a second arc-shaped support (10 b), the plurality of second air bags (11) are uniformly arranged on the second arc-shaped support (10 b) at intervals along the length direction of the second arc-shaped support (10 b), the plurality of second air bags (11) are communicated with one another through an air pipe, the plurality of groups of second fastening tapes (12) are uniformly arranged at the upper end of the second arc-shaped support (10 b) at intervals along the length direction of the second arc-shaped support (10 b), each group of second fastening tapes (12) comprises a second fixed fastener (12 a) and a second movable fastener (12 b), and the plurality of second fastening tapes (13) are respectively arranged on the plurality of groups of second fastening tapes (12), one end of a second fastening belt (13) is fixedly connected with a second fixed buckle (12 a) in the group of second buckles (12), the other end of the second fastening belt passes through a second movable buckle (12 b) in the same group and is movably connected with the second fastening belt through a magic tape, one end of the tourniquet (14) is fixedly connected with a second fixed buckle (12 a) in the group of second buckles (12), and the other end of the second fastening belt passes through a second movable buckle (12 b) in the same group;

one ends of the connecting plates (7) are movably connected with the first U-shaped support (1 a) and the second U-shaped support (10 a) respectively, and the other ends of the connecting plates (7) are rotatably connected with the elbow support (8).

2. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: one end of the first U-shaped support (1 a) provided with the rotating plate (5) is provided with an elastic clamp (16), and the rotating plate (5) is provided with a first positioning hole (5 a) matched with the elastic clamp (16).

3. The medical pediatric bloodletting arm fixing device as claimed in claim 2, wherein: first U-shaped support (1 a) and second U-shaped support (10 a) all are equipped with a plurality of length adjustment hole (17) that even interval arranged on width direction's both sides wall, be equipped with two on connecting plate (7) with length adjustment hole (17) matched with fixed orifices (7 b).

4. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: the bottom of first U-shaped support (1 a) is equipped with slot (18), and is equipped with sliding connection's rectangle shielding plate (19) in slot (18), and the one end of rectangle shielding plate (19) is equipped with inside fashioned arc breach (19 a), rectangle shielding plate (19) are equipped with two second locating hole (19 b) along width direction's bilateral symmetry, and two second locating hole (19 b) set up the one end that is equipped with arc breach (19 a) on rectangle shielding plate (19).

5. The medical pediatric bloodletting arm fixing device as claimed in claim 4, wherein: the both sides top of first arc support (1 b) is equipped with inside fashioned mounting groove (1 c), be equipped with screw hole (1 d) that run through the lateral wall on every mounting groove (1 c) the lateral wall that is close to first U-shaped support (1 a), screw hole (1 d) internal thread is connected with fixing bolt (20), and fixing bolt (20) can with second locating hole (19 b) sliding fit.

6. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: a rectangular notch (1 e) is formed in one side wall of one end, provided with the rotating plate (5), of the first U-shaped support (1 a).

7. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: one first air bag (2) of the plurality of first air bags (2) close to the rotating plate (5) is provided with a first exhaust port (22), and an inflation port of the first air bag (2) is provided with a first one-way valve (6); and one second air bag (11) close to the elbow support (8) in the plurality of second air bags (11) is provided with a second air outlet (28), and the inflation inlet of the second air bag (11) is provided with a second one-way valve (29).

8. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: be equipped with hemostasis gasbag (21) on tourniquet (14), be equipped with on hemostasis gasbag (21) and press inflatable ball (15), be equipped with third gas vent (23) on hemostasis gasbag (21), hemostasis gasbag (21) and press to be equipped with third check valve (21 a) between inflatable ball (15).

9. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: the lower extreme of elbow support (8) is equipped with a plurality of fixing bases (24), all is equipped with threaded connection's sucking disc (25) on every fixing base (24).

10. The medical pediatric bloodletting arm fixing device as claimed in claim 1, wherein: the upper end of the first U-shaped support (1 a) is provided with a neodymium magnet (26), and the second U-shaped support (10 a) is provided with an adsorption block (27) matched with the neodymium magnet (26).