Disposable syringe with a retractable needle

Details Disposable syringe with a retractable needle Disposable syringe with a retractable needle

A - Human Necessities

61

M

A61M 5/32 (2006.01)

Patent

CA 2116292

DISPOSABLE SYRINGE WITH A RETRACTABLE NEEDLE ABSTRACT The present invention relates to a disposable syringe construction including a retractable or with- drawing needle, which comprises a cylindric body de- fining, at one end thereof, an end piece for the connection of the needle, and being open, at the other end thereof, for receiving a piston therein, provided with a sealing gasket. More parti- cularily, the main feature of the invention is that the end piece is provided in its inside with a cut- out for coupling with abutment legs of a hub ele- ment to which the point of the needle is connected, an outer collar being moreover provided, which can be applied to the end of the end piece so as to pre- vent the hub and related needle to be outwardly ejected.

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