CN201727810U

CN201727810U - Painless syringe

Info

Publication number: CN201727810U
Application number: CN2010202226974U
Authority: CN
Inventors: 宣建民
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-09
Filing date: 2010-06-09
Publication date: 2011-02-02
Anticipated expiration: 2020-06-09

Abstract

The utility model relates to a disposable painless syringe, which is capable of performing painless intramuscular injection. The disposable syringe is placed at the center of a holding portion with a spring; a push injection opening, an observation window, a switch and a switching rod are arranged on the holding portion; the switching rod is fixed onto the syringe; and the disposable syringe can rapidly and linearly move inside an outer casing under the action of a spring to achieve the purpose of painless intramuscular injection. The disposable painless syringe with simple structure is simple and convenient in operation, eliminates pain caused by manual operation in intramuscular injection needling, is applicable to disposable syringes produced according to national standards, can rapidly perform painless intramuscular injection for anybody, and is particularly suitable for inoculation injection for children.

Description

Painless syringe

Technical field

This utility model relates to a kind of passive pulling force that utilizes spring, makes the disposable syringe rapid movement that is positioned at shell, the syringe that carries out the intramuscular injection of painless property.This painless syringe is disposable use, just the cross infection that can avoid the injector and be caused because of contact skin by the injector.

Background technology

Intramuscular injection is that people use one of usual way of medicine, medicine is by the intramuscular of injector to inject to the human body suitable position, make drug slow absorb the purpose that reaches treatment, except the pain that causes because of some drugs self, owing to the technical operation reason, the pain that intramuscular injection causes is very common, and is agonizing by the injector, especially just medical personnel that started working and part are engaged in the personnel of medical and nursing work in the rural area, the meeting that has causes by the injector has a fainting spell during acupuncture treatment.The technical key point of (painless property) intramuscular injection is two speeds, and inserting needle speed wants fast when promptly injecting, and it is slow that injection liquid speed is wanted, and pulls out needle speed and wants fast, and many medical and nursing work personnel technical key point of inserting needle is on top of arranged at present, and this is the main cause that causes pain.The technical key point of (painless property) intramuscular injection inserting needle is: the syringe that medicinal liquid will be housed during injection vertically places by top, injector injection site disinfectant skin, mainly utilize wrist power, arm strength is auxiliary, make the rapidly vertical prick skin of syringe needle, enter into intramuscular, stop after reaching appropriate depth, like this, because sharp syringe needle and inserting needle fast make inject time extremely short, will not had the sensation of pain by the injector.May be not sharp except syringe needle, during inserting needle syringe be not orthogonal to skin or (with) speed slow or (with) vibration is arranged, all can cause by injector's pain; Disposable syringe is mainly used in the injection of child's inoculation at present, because injection speed is slow, causes that the child cries and screams.The structure of utility model patent ZL200620159392.7 and patent ZL200820111877.8 is complicated, is not suitable for disposable use.

Summary of the invention

In order to achieve the above object, overcome technological deficiency, of the present utility model being constructed as follows:

According to an aspect of the present utility model, provide a kind of intramuscular injection painless device, it comprises: grip part, contact site, window, support column, switch, switch rod and spring.Wherein, the upper end of contact site links to each other with the lower end of grip part; The nock of grip part has the opening boosting window that makes progress, be furnished with disposable syringe in the grip part, the internal fixation of grip part has four support columns, syringe top is fixed with the switch rod, switch rod lower end contacts with switch, switch arrangement is in the grip part sidewall, and back support column and switch rod are furnished with bouncing plate; There is the injection window the below of contact site; Lower end in inwall both sides, grip part is fixed with spring carrier arm respectively, and the recess inside by spring and the disposable syringe pushing assisted plate of the same side links to each other; There is watch window contact site and grip part.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: the grip part internal diameter is identical with the Breadth Maximum of disposable syringe pushing assisted plate, and there are two symmetric support columns the both sides of inner preceding bottom; There is support column symmetric, parallel to each other at the rear of inside, grip part, vertically from the top to the below, contacts with disposable syringe pushing assisted plate corresponding site; The circular inner diameter that the inner of back and front supporting post forms is with once part injector syringe external diameter is identical.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: the switch rod is arranged in the upper end of disposable syringe syringe, the below of pushing assisted plate, its internal diameter is identical with the external diameter of syringe, external diameter is identical with the minimum range of pushing assisted plate, its rear is vertically outstanding backward, the width of ledge equals the distance between support column after two, and contact with the inwall of grip part, can not contact yet, rod is downward vertically arranged below the outside of ledge, the distance of the length of rod and syringe operation adds the height of switch, less than the width between the support column after two, the lower end level contacts with switch.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: the switch vertical openings is in the grip part, at the middle part between the support column after two, be tetragonal body, it is spherical that outermost end can be, width equals the width between support column after two, interior half part of switch has that vertical openings makes progress, as to be inverted "L" shaped groove, the width of the rod that width and switch rod is downward is identical, the sealing of the latter half of front end, back segment be an opening vertically, the part of the rod that size and switch are excellent downward is identical; The outside of switch is furnished with the switch protection cover.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: support column is furnished with bouncing plate in the back, there is the space in the bouncing plate outside with support column integral body, the medial border of the top of bouncing plate is equal with back support column medial border, and the below is outstanding, the lower edge level, lower edge is the distance of syringe motion apart from the distance of syringe pushing assisted plate upper limb.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: be furnished with bouncing plate at the switch rod, there is the space in the bouncing plate outside with the inside of switch rod, the lateral margin of the below of bouncing plate is equal with the lateral margin of switch rod, and the top is outstanding, the upper limb level, upper limb is the thickness of switch apart from the distance of the horizontal lower edge of switch rod.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: helical structure is passed through in the upper end of contact site, also can pass through the cassette structure, link to each other with the lower end of grip part, contact site is cylindrical, also can be semi-conical wide at the top and narrow at the bottom, its lower end is level and inwardly is semiclosed shape, and the center is circular injection window, and respectively there is a symmetric watch window both sides of the front end of contact site.

According to another aspect of the present utility model, provide a kind of intramuscular injection painless device, wherein: be arranged in the disposable syringe of producing by national standard in the painless syringe, aseptic painless device and injector arrangement are in aseptic, sealed external package.

The beneficial effects of the utility model are: utilize the effect of spring, can carry out the intramuscular injection of painless property rapidly, got rid of artificial unfavorable factor, overcome and produced pain when making the intramuscular injection inserting needle because of the manual operation reason, and be applicable to the disposable syringe of producing by national standard, and the aseptic technique that can reach intramuscular injection requires and the injection depth requirement, and avoid the generation of contact skin cross infection, simple in structure, easy and simple to handle, and can make anyone carry out the intramuscular injection of painless property rapidly, the injection of especially suitable child's inoculation.

Description of drawings

Fig. 1 is the syringe shell front view

Fig. 2-1 is the inner vertical view of painless syringe; Fig. 2-2 is a switch rod vertical view, and Fig. 2-3 is a switch rod front view.

Fig. 3-1 is the painless syringe front view; Fig. 3-2 is the painless syringe side view.

The specific embodiment

Below with reference to accompanying drawings, this utility model is described in detail:

In the accompanying drawings: 1 is the grip part, and 2 is support column, and 3 is window, and 4 is contact site, and 5 is disposable syringe, and 6 is pushing assisted plate, and 7 is the switch rod, and 8 are hook, and 9 is switch, and 10 is spring, and 11 is bouncing plate, and 12 is protective cover.

Fig. 1 shows the overall structure of painless syringe to Fig. 3.As shown in the figure, whole syringe is made up of the grip part (1) on top and the contact site (4) of bottom.Grip part (1) is the cylindrical of hollow, and disposable syringe (5) is positioned at grip part (1), and the interior diameter of grip part (1) equals the Breadth Maximum of disposable syringe (5) pushing assisted plate (6), make disposable syringe within it portion slide up and down; Grip part (1) nock has the boosting window (3) of upper end open-ended, and the boosting medicinal liquid is used; There was watch window (3) below during grip part (1) was forward, can observe amount of liquid medicine; There are two symmetric preceding support columns (2) below of grip part (1) interior front, and inwardly the circular inner diameter that forms is identical with the external diameter of disposable syringe (5), fixedly the activity direction in the place ahead of the bottom of disposable syringe (5); Grip part (1) inside back has two parallel, symmetric back support columns (2), vertically from the top to the below, contact with the pushing assisted plate (6) of corresponding disposable syringe (5), the so fixing rearward activity direction of disposable syringe (5), and about direction, disposable syringe (5) can only be slided up and down; Switch rod (7) is arranged in the below of disposable syringe (5) syringe pushing assisted plate (6), internal diameter is identical with the syringe external diameter, can not teetertotter like this, switch rod (7) back step branch is positioned between the back support column (2), fixed the range of activity of switch rod (7), can only move up and down, the front portion of switch rod (7) ledge has the rod of tetragonal body vertically downward, the lower end of rod contacts with switch (9), and the width of the rod of switch rod (8) is no more than the distance between the back support column (2).Switch (9) vertical openings is positioned at the middle part between the support column after two (2) in the grip part (1), is tetragonal body, and it is spherical that outermost end can be, and width equals the width between support column after two (2), fixedly range of activity; Interior half part of switch (9) has that vertical openings makes progress, as to be inverted "L" shaped groove, the width of the rod that width and switch rod (7) are downward is identical, the latter half sealing of front end, back segment is an opening vertically, size is identical with the part of the downward rod of switch rod (7), like this can floatless switch rod (7), again can be when moving inward switch (9), switch rod (7) can move downward; The outside of switch (9) is furnished with switch protection cover (12), can protection switch (9).Back support column (2), switch (9) and switch rod (7) have formed whole construction of switch; Be furnished with bouncing plate (11) at back support column (2), there is the space in bouncing plate (11) outside with support column (2) integral body, the medial border of the top of bouncing plate (11) is equal with back support column (2) medial border, the below is outstanding, the lower edge level, lower edge is apart from the distance of syringe pushing assisted plate (6) upper limb, it is the distance of disposable syringe (5) motion, like this, after disposable syringe (5) moves downward, blocked by bouncing plate (11), can prevent that disposable syringe (5) from drawing back, utilized once more, reached the purpose of self-destruction; Be furnished with bouncing plate (11) at switch rod (7), there is the space in bouncing plate (11) outside with the inside of switch rod (7), and the lateral margin of the below of bouncing plate (11) is equal with the lateral margin of switch rod (7), and the top is outstanding, the upper limb level, upper limb is the thickness of switch (9), like this apart from the distance of the horizontal lower edge of switch rod (7), after switch rod (7) moves downward, blocked by switch (9), can prevent to be utilized once more after switch rod (7) from drawing back, reach the purpose of self-destruction; There is spring carrier arm (8) lower end of both sides, grip part (1), and the recess inside by spring (10) and the disposable syringe pushing assisted plate (6) of the same side links to each other, and is power section.The upper end of contact site (4) by helical structure, also can be connected with the lower end of grip part (1) by symmetric cassette structure, takes off and loads onto easily like this; Contact site (4) is a tubular, also can be tubular for circular cone wide at the top and narrow at the bottom, and it is semiclosed that its lower end is the level of centrality circular open, can pass through syringe needle; There is watch window (3) front portion of contact site (4), observes the ejection situation of medicinal liquid; Needle point is 0.5 to 5 centimetre to the distance of the lower end of contact site (4), and syringe needle is exposed.Whole syringe is positioned at sealing, aseptic outer package, and this syringe can only disposablely be used.

The operating process of this syringe is: this syringe just is state of tension in packing; only need unpack; take off contact site (4); utilize the medicinal liquid in the syringe needle suction medicine bottle, reach required dosage after, load onto contact site (4); syringe is placed already sterilised; need on the position of syringe; take switch protection cover (12) away, Push switch (9), switch rod (8) moves downward from the gap between the back support column (2); disposable syringe (5) is under the effect of spring (10); move downward fast, this moment, syringe needle entered intramuscular, and suck-back disposable syringe (5) draws core; observe by observing opening (3) whether blood back is arranged; slow again injection liquid is observed by observing opening (3), up to finishing; extract disposable syringe (5) rapidly; cotton swab is pushed down pin hole, and injection is finished, at this moment; disposable syringe (5) and switch rod (7) are all blocked by bouncing plate; can not be utilized once more, reached self-destruction, the whole more at last syringe of destroying.Whole process, except because the drug-induced pain, omnidistance painless.

This utility model is applicable to that each medical institutions, epidemic prevention station and family carry out intramuscular injection.

Here description of the present utility model and application are illustrative, be not to want in the above-described embodiments with scope restriction of the present utility model, here the disclosed embodiment and the distortion of data and change are possible, under the situation that does not break away from spirit of the present utility model and essence, this utility model can be realized with other forms, structure, layout, ratio and with other elements, material and parts, can carry out other distortion and change to disclosed embodiment here.

Claims

1. painless syringe, it comprises: grip part, contact site, window, support column, switch, switch rod and spring is characterized in that: the upper end of contact site links to each other with the lower end of grip part; The nock of grip part has the opening boosting window that makes progress, be furnished with disposable syringe in the grip part, the internal fixation of grip part has four support columns, syringe top is fixed with the switch rod, switch rod lower end contacts with switch, switch arrangement is in the grip part sidewall, and back support column and switch rod are furnished with bouncing plate; There is the injection window the below of contact site; Lower end in inwall both sides, grip part is fixed with spring carrier arm respectively, and the recess inside by spring and the disposable syringe pushing assisted plate of the same side links to each other; There is watch window contact site and grip part.

2. according to a kind of painless syringe of stating of claim 1, it is characterized in that: the grip part internal diameter is identical with the Breadth Maximum of disposable syringe pushing assisted plate, and there are two symmetric support columns the both sides of inner preceding bottom; There is support column symmetric, parallel to each other at the rear of inside, grip part, vertically from the top to the below, contacts with disposable syringe pushing assisted plate corresponding site; The circular inner diameter that the inner of back and front supporting post forms is identical with disposable syringe syringe external diameter.

3. according to a kind of painless syringe of stating of claim 1, it is characterized in that: the switch rod is arranged in the upper end of disposable syringe syringe, the below of pushing assisted plate, its internal diameter is identical with the external diameter of syringe, external diameter is identical with the minimum range of pushing assisted plate, its rear is vertically outstanding backward, the width of ledge is slightly less than the distance between support column after two, and contact with the inwall of grip part, can not contact yet, rod is downward vertically arranged below the outside of ledge, and the distance that length and the syringe of rod moves adds that the height of switch is identical, and width is less than the width between the support column after two, the lower end level contacts with switch.

4. according to a kind of painless syringe of stating of claim 1, it is characterized in that: the switch vertical openings is in the grip part, at the middle part between the support column after two, be tetragonal body, it is spherical that outermost end can be, width equals the width between support column after two, interior half part of switch has that vertical openings makes progress, as to be inverted "L" shaped groove, the width of the rod that width and switch rod is downward is identical, the latter half sealing of front end, back segment is an opening vertically, and the part of the excellent downward rod of size and switch is identical; The outside of switch is furnished with the switch protection cover.

5. according to a kind of painless syringe of stating of claim 1, it is characterized in that: support column is furnished with bouncing plate in the back, there is the space in the bouncing plate outside with support column integral body, the medial border of the top of bouncing plate is equal with back support column medial border, the below is outstanding, lower edge level, lower edge are the distances of syringe motion apart from the distance of syringe pushing assisted plate upper limb.

6. according to a kind of painless syringe of stating of claim 1, it is characterized in that: be furnished with bouncing plate at the switch rod, there is the space in the bouncing plate outside with the inside of switch rod, the lateral margin of the below of bouncing plate is equal with the lateral margin of switch rod, the top is outstanding, the upper limb level, upper limb is the thickness of switch apart from the distance of the horizontal lower edge of switch rod.

7. according to a kind of painless syringe of stating of claim 1, it is characterized in that: helical structure is passed through in the upper end of contact site, also can pass through the cassette structure, link to each other with the lower end of grip part, contact site is cylindrical, also can be semi-conical wide at the top and narrow at the bottom, and its lower end is level and inwardly is semiclosed shape, the center is circular injection window, and respectively there is a symmetric watch window both sides of the front end of contact site.

8. according to a kind of painless syringe of stating of claim 1, it is characterized in that: be arranged in the disposable syringe of producing by national standard in the painless syringe, aseptic painless device and injector arrangement are in aseptic, sealed external package.