Disposable syringe
AssigneeFada Italia, S.p.A.
InventorGiovanni Rotundo
Life of this patent
Estimating the term…
Abstract
An improved disposable syringe, made up of a cylindrical and hollow main body in which a piston can move that pushes the liquid to inject the same through a needle coupled to the front end of the main body, specifically to a neck established for this purpose in the same; the needle being complemented by a cone for coupling to said concetric neck provided at the front end of the main body; and the rear end to a protective sheath of the needle being, in turn, coupled by pressure to said cone in order to maintain sterilization of the needle.
Claims11
A disposable syringe, comprising a substantially cylindrical hollow main body in which a piston is movable to push a liquid;
- said main body having a front end provided with a neck;
- a needle having a rear end facing said neck of said main body;
- a protective sheath removably arranged over said needle, said needle being provided with a conical element having one portion cooperating with said sheath so as to provide a hermetic sealing between said needle and said sheath and another portion cooperating with said neck of said main body so as to hold said needle in said main body.
A disposable syringe, comprising a substantially cylindrical hollow main body in which a piston is movable to push a liquid;
- said main body having a front end provided with a neck;
- a needle having a rear end facing said neck of said main body;
- a protective sheath removably arranged over said needle, said needle being provided with a conical element having one portion cooperating with said sheath so as to provide a hermetic sealing between said needle and said sheath and another portion cooperating with said neck of said main body so as to hold said needle in said main body, said other portion fo said conical element having an inner surface abutting against an outer surface of said inner wall of said neck of said main body, and an outer surface abutting against an inner surface of said protective sheath, and also a radially outwardly extending formation cooperating with radially inwardly extending formations provided on an inner surface of said outer wall of said neck.
Dependencies are inferred from the claim text.