CN201394248Y

CN201394248Y - Disposable injector capable of being damaged after use

Info

Publication number: CN201394248Y
Application number: CN2009200904354U
Authority: CN
Inventors: 赵肖璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-14
Filing date: 2009-05-14
Publication date: 2010-02-03
Anticipated expiration: 2019-05-14

Abstract

A disposable injector capable of being damaged after use belongs to injectors. The injector is provided with an outer tube and an inner tube, wherein the outer tube is sleeved outside the inner tube,and the outer tube and the inner tube are mutually matched; a pushing hand is arranged at the rear part of the inner tube, a liquid outlet is formed at the front part of the outer tube, a raised groove is formed on the outer tube, a bulge is formed on the inner tube, and the raised groove on the outer tube is matched with the bulge on the inner tube; and the raised groove on the outer tube extendsin the direction of the liquid outlet, and is transitioned to a shape of the part without bulge of the inner tube at the adjacency of the liquid outlet. The injector has the advantages that the structure of the injector is simple, the front end of the outer tube of the injector is squeezed and broken by the bulge of the inner tube after the completion of the one-time injection, the injector is automatically damaged, and do not have recycling value any longer, thereby guaranteeing the health of patients, reducing the pain of patients and cutting off the disease source cross infection caused bythe injector.

Description

Once with back damage syringe

Technical field

This utility model relates to a kind of syringe, and is particularly a kind of once with back damage syringe.

Background technology

At present, the syringe that uses when having an injection to patient in the hospital is disposable syringe, and this syringe has urceolus and inner core, and urceolus and inner core be identical mutually circular cylinder, at the rear portion of inner core pushing hands are arranged, and in the front portion of urceolus liquid outlet are arranged.This disposable syringe itself remains intact after using, and utilizes after often having syringe after minority is used to be recovered again, and very easily causes the cross infection of source of disease, causes new misery to the patient.

The utility model content

The purpose of this utility model is to provide a kind of: that can't recycle after once using once damages syringe with the back.

The purpose of this utility model is achieved in that this syringe has urceolus and inner core, urceolus is enclosed within outside the inner core, coincide mutually, there is pushing hands at rear portion at inner core, in the front portion of urceolus liquid outlet is arranged, and the protrusion groove is arranged on urceolus, protrusion is arranged on inner core, protrusion groove on the urceolus and the protrusion on the inner core match, and the protrusion groove on the urceolus extends to the liquid outlet direction, and transition is not for having the position of protrusion shape with inner core in the time of near liquid outlet.

Protrusion on the described inner core is 1 protrusion; Perhaps be 2 protrusions; Perhaps be 3 protrusions.

Beneficial effect: owing to adopted such scheme, at syringe the protrusion groove arranged on urceolus, protrusion is arranged on inner core, protrusion groove on the urceolus and the protrusion on the inner core match, protrusion groove on the urceolus extends to the liquid outlet direction, transition is not for having the position of protrusion shape with inner core in the time of near liquid outlet, during use, when the protrusion of inner core when the protrusion groove of urceolus is shifted the end onto, inner core can also be pushed ahead, at this moment the groove of urceolus protrusion disappears, the protrusion of inner core is crowded broken with the barrel of preceding outer cylinder front end, and at this moment the medicinal liquid in the syringe is just injected and finished, and damages after the disposable use of this syringe, can't be recycled, reach the purpose of this utility model.Advantage: this syringe construction is simple, after a shot is finished, the front end of syringe urceolus will be squeezed broken by the protrusion of inner core, after injection is finished, syringe is damaged automatically, no longer has recycle to be worth, and has guaranteed that the patient's is healthy, reduce patient's misery, cut off the source of disease cross infection that causes by syringe.

Description of drawings

Fig. 1 is a structure chart of the present utility model.

Fig. 2 is an end face sectional structure chart of the present utility model.

Fig. 3 is the second embodiment end face sectional structure chart of the present utility model.

Fig. 4 is the 3rd an embodiment end face sectional structure chart of the present utility model.

The specific embodiment

Embodiment 1: this syringe has urceolus and inner core, urceolus 5 and inner core 4 coincide mutually, at the rear portion of inner core 4 pushing hands 6 is arranged, in the front portion of urceolus liquid outlet 1 is arranged, the groove 3 of protrusion is arranged on urceolus, have on inner core and protrude 2, protrusion groove on the urceolus and the protrusion on the inner core match, protrusion groove on the urceolus extends to the liquid outlet direction, and transition is to protrude the position shape with inner core in the time of near liquid outlet.Protrusion on the described inner core is 1 protrusion.

Embodiment 2: the protrusion on the described inner core is 2 protrusions.Other and embodiment 1 omit together.

Embodiment 3: the protrusion on the described inner core is 3 protrusions.Other and embodiment 1 omit together.

Claims

1, a kind of once with back damage syringe, this syringe has urceolus and inner core, urceolus is enclosed within outside the inner core, coincide mutually, at the rear portion of inner core pushing hands is arranged, there is liquid outlet front portion at urceolus, it is characterized in that: the protrusion groove is arranged on urceolus, protrusion is arranged on inner core, protrusion groove on the urceolus and the protrusion on the inner core match, protrusion groove on the urceolus extends to the liquid outlet direction, and transition is not for having the position of protrusion shape with inner core in the time of near liquid outlet.

2, according to claim 1 once with back damage syringe, it is characterized in that: the protrusion on the described inner core is 1 protrusion; Perhaps be 2 protrusions; Perhaps be 3 protrusions.