CN201279327Y

CN201279327Y - Disposable syringe

Info

Publication number: CN201279327Y
Application number: CNU200820174054XU
Authority: CN
Inventors: 张月琴; 崔建莉; 孙欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-28
Filing date: 2008-10-28
Publication date: 2009-07-29
Anticipated expiration: 2018-10-28

Abstract

The utility model discloses a disposable syringe which comprises a handspike used for propelling the medical solution, a piston installed at the top end of the handspike to seal the medical solution, and a needle tube matching with the piston. A protruding part and a concave groove corresponding to the protruding part are arranged on the inner wall of the needle tube. The disposable syringe is safe to use, simple in structure, convenient and quick, and can prevent the syringe from being put into the market for reuse which causes cross infection.

Description

Disposable syringe

Technical field

This utility model relates to a kind of medical instruments, relates in particular to the once syringe of back auto-destruct of a kind of use.

Background technology

At present, necessary artificial destruction the after employed disposable syringe is finished using in the domestic and foreign hospitals, otherwise can also use repeatedly after the sterilization, so also not exclusively possess disposable characteristics; And adopt artificial destruction labor intensity bigger, and cause personal damage easily, form cross infection; Adopt mechanical method of destroying to be suitable for concentrating and destroy, concentrated destruction just needs the regular hour to collect, transport, and the syringe of Shou Jiing just might come into the market once more and be repeated to use in the meantime.

The utility model content

Technical problem to be solved in the utility model provides a kind of simple in structure, and is easy to operate, the disposable syringe that can destroy on the spot rapidly when finishing using.

For solving the problems of the technologies described above, the technical solution of the utility model is: disposable syringe, comprise and promote the push rod that medicinal liquid is used, be installed in the piston of described push rod end sealing medicinal liquid and the syringe that cooperates with described piston, described syringe inwall is provided with jut, and and described jut corresponding groove.

As a kind of improvement, described jut is set to one away from an end and the described syringe of described syringe mounting of syringe syringe needle.

Owing to adopted technique scheme, disposable syringe comprises promoting the push rod that medicinal liquid is used, and is installed in the piston of described push rod end sealing medicinal liquid and the syringe that cooperates with described piston, described syringe inwall is provided with jut, and and described jut corresponding groove; The beneficial effects of the utility model are: simple in structure, easy to use, and when finishing using, just destroyed voluntarily syringe, do not need to carry out extra destruction work again, saved the labour force.

Description of drawings

Fig. 1 is the structural representation of this utility model embodiment;

Fig. 2 is the self-destruction view of this utility model embodiment.

The specific embodiment

As shown in drawings, disposable syringe comprises promoting the push rod 1 that medicinal liquid is used, and is installed in the piston 2 of described push rod 1 end sealing medicinal liquid and the syringe 3 that is used with described push rod 1, described syringe 3 inwalls are provided with jut 4, and and described jut 4 corresponding groove 5; Described jut 4 is set to one away from an end and the described syringe 3 of described syringe 3 mounting of syringe syringe needles, and the other parts of described jut 4 are not connected with described syringe 3, in order to guarantee reliability a plurality of juts 4 and corresponding groove 5 thereof can be set.

Below in conjunction with Fig. 1 and Fig. 2 the operation principle of present embodiment once is described:

4 surfaces of jut described in the present embodiment are smoother, has certain elasticity, when not using, jut 4 is perks, push rod 1 moves to jut 4 and will push jut 4 when implementing injection, because the elasticity of jut 4, jut 4 can be extruded in the groove 5 that is arranged on syringe 3 inwalls with jut 4 corresponding uses, so that push rod 1 and piston 2 can successfully slip over; After the push rod 1 of syringe slips over jut 4 because the disappearance of extruding force, jut 4 is upspring automatically, make that jut 4 will perk near an end of syringe needle, piston 2 will be stuck in the end of syringe near syringe needle, the back pulls out push rod 1 if injection finishes, because the perk of jut 4 ends will stop piston 2, thereby syringe can not be reused.

This utility model is simple in structure, with regard to energy auto-destruct syringe, does not need other destruction auxiliary facilities when using syringe.

Claims

1. disposable syringe comprises promoting the push rod that medicinal liquid is used, and is installed in the piston of described push rod end sealing medicinal liquid and the syringe that cooperates with described piston, and it is characterized in that: described syringe inwall is provided with jut, and and described jut corresponding groove.

2. disposable syringe as claimed in claim 1, device is characterised in that: described jut is set to one away from an end and the described syringe of described syringe mounting of syringe syringe needle.