IT1202357B - Injection syringe with sliding sleeve fixed to piston - Google Patents

Injection syringe with sliding sleeve fixed to piston

Info

Publication number
IT1202357B
IT1202357B IT2112677A IT2112677A IT1202357B IT 1202357 B IT1202357 B IT 1202357B IT 2112677 A IT2112677 A IT 2112677A IT 2112677 A IT2112677 A IT 2112677A IT 1202357 B IT1202357 B IT 1202357B
Authority
IT
Italy
Prior art keywords
piston
syringe
pusher plate
housing
injection
Prior art date
Application number
IT2112677A
Other languages
Italian (it)
Original Assignee
Medical Sciences Int
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 Medical Sciences Int filed Critical Medical Sciences Int
Priority to IT2112677A priority Critical patent/IT1202357B/en
Application granted granted Critical
Publication of IT1202357B publication Critical patent/IT1202357B/en

Links

Abstract

A compact injection syringe comprises a tubular housing and a piston pushed by means of a rod fitted with a pusher plate at its rear end. The piston thus expels the contents of the housing through the forward end via an injection needle. The piston rod-pusher plate assembly comprises an outer sleeve extending forwards from the pusher plate so that its forward, open end slides externally along the outside of the tubular housing, and is limited at its forward position by meeting a flange projecting radially outwards near the front end of the housing. Used in partic. for self-injection, as a thrown-away syringe. It is economical to make, compact and requires very few components; the sterility of the internal chamber is improved by the sliding sleeve, when it meets the forward scopic movement of this sleeve, when it meets the forward projecting flange, exactly defines the quantity of contents expelled from the syringe.
IT2112677A 1977-03-10 1977-03-10 Injection syringe with sliding sleeve fixed to piston IT1202357B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT2112677A IT1202357B (en) 1977-03-10 1977-03-10 Injection syringe with sliding sleeve fixed to piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2112677A IT1202357B (en) 1977-03-10 1977-03-10 Injection syringe with sliding sleeve fixed to piston

Publications (1)

Publication Number Publication Date
IT1202357B true IT1202357B (en) 1989-02-09

Family

ID=11177108

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2112677A IT1202357B (en) 1977-03-10 1977-03-10 Injection syringe with sliding sleeve fixed to piston

Country Status (1)

Country Link
IT (1) IT1202357B (en)

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