Importance

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Abstract

A safe auto-needle device for injection, comprising:

a main housing;a syringe-support for receiving a disposable prefilled syringe; said syringe comprises:a piston; a proximal end; and a distal end terminating in a needle covered by a needle sheath (NS);a drive mechanism for advancing said syringe-support distally towards an injection site;a tubular needle shield; moveable from: a needle covering position, to partially exposed, to needle irreversibly concealed;said generally tubular needle shield comprising a distal end for contacting an injection site, and a proximal end;a spring urging distal movement of said needle shield; and said needle shield comprising a spring seat;an NS remover, designed to mate with and irreversibly grip said NS, for removal of said NS prior to injection;a locking mechanism preventing premature advancement of said needle;a plunger rod for engaging said piston, wherein depressing of said plunger is manually controllable;wherein in use of said device, said NS remover is removed; said distal end of said needle shield is pressed upon an injection site, releasing said locking mechanism, and driving said syringe-support and said syringe, distally until needle penetration; and upon depressing of said plunger, a medicament may be injected.The invention additionally provides a novel two-component NS remover.

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First Claim