Joseph Eli Whitaker

US Patent:

53242645, Jun 28, 1994

Filed:

Jun 23, 1993

Appl. No.:

8/079924

Inventors:

Joseph Whitaker - Honolulu HI

International Classification:

A61M 500

US Classification:

604110

Abstract:

A self-capping syringe is provided, which consists of a barrel having a first end and a second end. A finger flange is on the first end and a needle hub is on the second end of the barrel. A plunger slides within the barrel and extends from the finger flange, while a thumb rest is on an outer end of the plunger. A needle extends axially outward from the needle hub on the second end of the barrel. A protective cap is also provided. A mechanism is for allowing the protective cap to twist upon the barrel from a retracted position that exposes the needle to an extended position which covers the needle. A structure is for locking the protective cap in the extended position after use, so as to prevent an accidental needle stick before disposal.