Blood drawing device

Details Blood drawing device Blood drawing device

1995-12-18

1998-01-20

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 500

Patent

active

057096694

ABSTRACT:
A blood collection device for use with vacuum sample tube is provided having a retractable carrier for a double cannula. A sliding tab is mounted to the carrier by an outwardly biased flexible member and extends through a longitudinal slot in the barrel. Near either end of the slot V notches are provided in the internal wall of the barrel to engage locking hubs on the sliding tab to releasably lock the carrier in either the exposed or retracted position. A first cap is provided to cover the original open end and a second cap is provided to cover the end left open after retraction of the double cannula into the barrel.

REFERENCES:
patent: 4758231 (1988-07-01), Haber et al.
patent: 4892107 (1990-01-01), Haber
patent: 5024660 (1991-06-01), McNaughton
patent: 5038794 (1991-08-01), Van Valkenburg
patent: 5120311 (1992-06-01), Sagstetter et al.
patent: 5137521 (1992-08-01), Wilkins
patent: 5222947 (1993-06-01), D'Amico
patent: 5445620 (1995-08-01), Haber et al.

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