CN213789341U

CN213789341U - Quantitative injector

Info

Publication number: CN213789341U
Application number: CN202021998199.9U
Authority: CN
Inventors: 夏虹; 吴雨先
Original assignee: Jiangyin Peoples Hospital
Current assignee: Jiangyin Peoples Hospital
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-27
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the technical field of the syringe, especially, a quantitative syringe, including the cylinder, the bottom fixedly connected with syringe needle of cylinder, sliding connection has the piston in the cylinder, the top fixedly connected with head rod of piston, the top of cylinder has seted up first through-hole, the top of head rod passes first through-hole fixedly connected with push pedal, the both ends are all fixedly connected with fixed frame about the cylinder, two all sliding connection has the slider in the fixed frame, the top of two sliders all fixedly connected with the second connecting rod, the top of two fixed frames all has seted up the second through-hole, the top of two second connecting rods all passes second through-hole fixedly connected with connecting block; the utility model discloses, can protect medical personnel through setting up the visor, prevent that medical personnel from being stabbed by the syringe needle, can fix the protective housing on the cylinder in the draw-in groove through the fixture block joint.

Description

Quantitative injector

Technical Field

The utility model belongs to the technical field of the syringe, concretely relates to quantitative syringe.

Background

The syringe is a common medical appliance, and as early as the 15 th century, kathler, italian, proposed the principle of the syringe, which is mainly used for drawing or injecting gas or liquid with a needle, and the syringe can also be used for injecting medical equipment, containers, scientific instruments such as those used in chromatography, through a rubber septum, and injecting liquid medicine into a patient with the syringe in the course of clinical operation.

However, the existing injector has simple structure, low accuracy of injection amount and large influence by human factors, and medical staff often causes excessive injection amount due to excessive force in the injection process, thereby influencing the diagnosis and treatment of patients and possibly causing medical accidents.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a quantitative injector, which has the characteristics of high injection accuracy, convenience for medical care personnel to use and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quantitative injector, includes the cylinder, the bottom fixedly connected with syringe needle of cylinder, sliding connection has the piston in the cylinder, the top fixedly connected with head rod of piston, first through-hole has been seted up on the top of cylinder, first through-hole fixedly connected with push pedal is passed on the top of head rod, the equal fixed frame of fixedly connected with in both ends about the cylinder, two equal sliding connection has the slider in the fixed frame, two the equal fixedly connected with second connecting rod in top of slider, two the second through-hole has all been seted up on the top of fixed frame, two the top of second connecting rod all passes second through-hole fixedly connected with connecting block, two the looks remote site fixed connection of connecting block is in the push pedal, the bottom overlap joint of cylinder has the visor.

Preferably, the bottom end of the needle head is fixedly connected with an injection needle.

Preferably, a plurality of limiting blocks are fixedly connected in the two fixing frames.

Preferably, two clamping grooves are formed in the protective cover, clamping blocks are clamped in the two clamping grooves, and the top ends of the clamping blocks are fixedly connected to the needle cylinder.

Preferably, the front ends of the two fixing frames are provided with scale marks.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, can protect medical personnel through setting up the visor, prevent that medical personnel from being stabbed by the syringe needle, can fix the protective housing on the cylinder in the draw-in groove through the fixture block joint, make things convenient for medical personnel to use, drive the piston through promoting the push pedal and can drive the slider and slide downwards in fixed frame in the cylinder lapse, the slider is a scale when whenever sliding a stopper, make things convenient for medical personnel to carry out accurate control to the injection volume of liquid medicine, the scale mark can make the injection volume of medical personnel's more accurate control liquid medicine, medical personnel's injection efficiency has been improved, the utility model discloses novel structure, portable and operation need not the hard injection of medical personnel, greatly reduced medical personnel's intensity of labour, the convenience carries out continuous ration injection to the liquid medicine.

Drawings

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

fig. 1 is a front view of the present invention;

fig. 2 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

in the figure: 1. a needle cylinder; 2. a needle head; 3. an injection needle; 4. a piston; 5. a first connecting rod; 6. a first through hole; 7. pushing the plate; 8. a fixing frame; 9. a slider; 10. a second connecting rod; 11. a second through hole; 12. Connecting blocks; 13. a protective cover; 14. a card slot; 15. a clamping block; 16. scale lines; 17. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a quantitative injector, includes cylinder 1, the bottom fixedly connected with syringe needle 2 of

cylinder

1, 1 sliding connection in cylinder has piston 4, the top fixedly connected with head rod 5 of piston 4, first through-hole 6 has been seted up on the top of cylinder 1, 6 fixedly connected with push pedal 7 of first through-hole are passed on the top of head rod 5, the equal fixed frame 8 of fixedly connected with in both ends about cylinder 1, two equal sliding connection has slider 9, two in the fixed frame 8 the equal fixedly connected with second connecting rod 10 in top of slider 9, two second through-hole 11, two have all been seted up on the top of fixed frame 8 the top of second connecting rod 10 all passes 11 fixedly connected with connecting blocks 12 of second through-hole, two the looks remote site fixed connection of connecting blocks 12 is on push pedal 7, drives piston 4 through promoting push pedal 7 and drive slider 9 and slide down kinetic energy enough in fixed frame 8 to drive slider 9 and slide down in push pedal 7 in 1 The slider 9 is a scale when whenever sliding to a stopper 17, makes things convenient for medical personnel to carry out accurate control to the injection volume of liquid medicine, the bottom overlap joint of cylinder 1 has visor 13, and visor 13 can protect medical personnel, prevents that medical personnel from being stabbed by syringe needle 3.

Specifically, the bottom end of the needle head 2 is fixedly connected with an injection needle 3.

Specifically, two equal fixedly connected with a plurality of stopper 17 in fixed frame 8.

Specifically, two draw-in grooves 14 have been seted up in the visor 13, two equal joint has fixture block 15, two in the draw-in groove 14 the equal fixed connection in top of fixture block 15 is on cylinder 1, can fix the protective housing on cylinder 1 in draw-in groove 14 through fixture block 15 joint, makes things convenient for medical personnel to use.

Specifically, two the front end of fixed frame 8 all is provided with scale mark 16, and scale mark 16 can make medical personnel's more accurate injection volume of control liquid medicine, has improved medical personnel's injection efficiency.

The utility model discloses a theory of operation and use flow: when the utility model is used, the protective cover 13 is pulled to separate the clamping block 15 from the clamping groove 14, so that the protective cover 13 is taken down from the needle cylinder 1, then the push plate 7 is pulled to drive the first connecting rod 5 to move upwards, thereby driving the piston 4 to move upwards in the needle cylinder 1, then the second connecting rod 10 is driven to move upwards, finally the slider 9 is driven to move upwards in the fixing frame 8, the liquid medicine to be injected is sucked into the needle cylinder 1, then the injector is moved to a proper position, the injection needle 3 is penetrated into the skin of a patient, the push plate 7 is pushed to drive the first connecting rod 5 to move downwards, thereby the piston 4 is driven to move downwards in the needle cylinder 1, then the second connecting rod 10 is driven to move downwards, finally the slider 9 is driven to move downwards in the fixing frame 8, when the slider 9 slides to a limiting block 17, the scale is formed when the slider 9 slides to a limiting block 17, the medical staff can control the injection amount of the liquid medicine through the limiting block 17 which the slider 9 slides, and simultaneously, the scale mark 16 is observed by eyes, so that the injection amount of the liquid medicine is more accurately controlled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dosing injector comprising a barrel (1), characterized in that: the bottom of the needle cylinder (1) is fixedly connected with a needle head (2), the needle cylinder (1) is internally and slidably connected with a piston (4), the top end of the piston (4) is fixedly connected with a first connecting rod (5), the top end of the needle cylinder (1) is provided with a first through hole (6), the top end of the first connecting rod (5) penetrates through the first through hole (6) and is fixedly connected with a push plate (7), the left end and the right end of the needle cylinder (1) are both fixedly connected with fixed frames (8), the two fixed frames (8) are both internally and slidably connected with sliders (9), the top ends of the two sliders (9) are both fixedly connected with second connecting rods (10), the top ends of the two fixed frames (8) are both provided with second through holes (11), the top ends of the two second connecting rods (10) penetrate through the second through holes (11) and are fixedly connected with connecting blocks (12), and the opposite ends of the two connecting blocks (12) are fixedly connected on the push plate (7), the bottom end of the needle cylinder (1) is lapped with a protective cover (13).

2. A dosing syringe according to claim 1, characterised in that: the bottom end of the needle head (2) is fixedly connected with an injection needle (3).

3. A dosing syringe according to claim 1, characterised in that: two equal fixedly connected with a plurality of stopper (17) in fixed frame (8).

4. A dosing syringe according to claim 1, characterised in that: two clamping grooves (14) are formed in the protective cover (13), clamping blocks (15) are clamped in the clamping grooves (14), and the top ends of the clamping blocks (15) are fixedly connected to the needle cylinder (1).

5. A dosing syringe according to claim 1, characterised in that: the front ends of the two fixing frames (8) are provided with scale marks (16).