IT1270315B - Single use syringe with retractable needle - Google Patents

Single use syringe with retractable needle

Info

Publication number
IT1270315B
IT1270315B ITPT920005A ITPT920005A IT1270315B IT 1270315 B IT1270315 B IT 1270315B IT PT920005 A ITPT920005 A IT PT920005A IT PT920005 A ITPT920005 A IT PT920005A IT 1270315 B IT1270315 B IT 1270315B
Authority
IT
Italy
Prior art keywords
syringe
needle
single use
piston
retraction
Prior art date
Application number
ITPT920005A
Other languages
Italian (it)
Inventor
Paola Danesi
Original Assignee
Paola Danesi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Paola Danesi filed Critical Paola Danesi
Priority to ITPT920005A priority Critical patent/IT1270315B/en
Publication of ITPT920005A0 publication Critical patent/ITPT920005A0/en
Publication of ITPT920005A1 publication Critical patent/ITPT920005A1/en
Application granted granted Critical
Publication of IT1270315B publication Critical patent/IT1270315B/en

Links

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Single use syringe with retractable needle for intramuscular, intravenous and endodermic injections, fitted with a device that permits automatic and complete retraction of the needle inside the syringe as soon as the medical fluid has been injected. The said retraction is caused by the expansion of a coiled spring held in compression before and during the period of use by a piston (carrying the needle) which is acted on by the pressure of a liquid. When the piston that injects the medical fluid reaches the bottom of the syringe, a flexible rod causes the liquid contained in the reservoir to be emptied due to the thrust of the compressed spring causing complete retraction of the needle into the body of the syringe, preventing further use. <IMAGE>
ITPT920005A 1992-02-28 1992-02-28 Single use syringe with retractable needle IT1270315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITPT920005A IT1270315B (en) 1992-02-28 1992-02-28 Single use syringe with retractable needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPT920005A IT1270315B (en) 1992-02-28 1992-02-28 Single use syringe with retractable needle

Publications (3)

Publication Number Publication Date
ITPT920005A0 ITPT920005A0 (en) 1992-02-28
ITPT920005A1 ITPT920005A1 (en) 1993-08-28
IT1270315B true IT1270315B (en) 1997-05-02

Family

ID=11396996

Family Applications (1)

Application Number Title Priority Date Filing Date
ITPT920005A IT1270315B (en) 1992-02-28 1992-02-28 Single use syringe with retractable needle

Country Status (1)

Country Link
IT (1) IT1270315B (en)

Also Published As

Publication number Publication date
ITPT920005A0 (en) 1992-02-28
ITPT920005A1 (en) 1993-08-28

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Legal Events

Date Code Title Description
0001 Granted