Collapsible needle cover

Details Collapsible needle cover Collapsible needle cover

1989-09-08

1990-08-21

Green, Randall L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604198, 604263, A61M 532

Patent

active

049502506

ABSTRACT:
A safety enhancing, relatively low-cost, needle cover which is integrally bonded to a disposable needle cannula of a hypodermic syringe and adapted to eliminate the handling and/or destruction of the needle after use. The needle cover comprises distally and proximally oriented pairs of needle cover segments which are hingedly interconnected and pivotable relative to one another. The needle cover is collapsible from an open, expanded configuration, with the cannula biased in an armed state for administering an injection of the fluid contents of the syringe, to a closed, generally planar configuration, with the cannula biased in a shielded state completely surrounded, shielded and isolated after use. By virtue of the present invention, the needle cannula can be safely discarded within its collapsible cover while avoiding an accidental needle strike and the spread of a contagious, and possible life threatening disease.

REFERENCES:
patent: 3904033 (1978-09-01), Haerr
patent: 4139009 (1979-02-01), Alvarez
patent: 4725267 (1988-02-01), Vaillancourt
patent: 4735618 (1988-04-01), Hagen
patent: 4790828 (1988-12-01), Dombrowski
patent: 4820277 (1989-04-01), Norelli

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