Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-06-23
1994-06-28
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604111, 604198, A61M 500
Patent
active
053242645
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.
REFERENCES:
patent: 3973554 (1976-08-01), Tipton
patent: 4666435 (1987-05-01), Braginetz
patent: 4743233 (1988-05-01), Schneider
patent: 4943282 (1990-07-01), Page et al.
patent: 5106380 (1992-04-01), Lobello
Kroll Michael I.
Yasko John D.
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