Bloodless flashback vent

Details Bloodless flashback vent Bloodless flashback vent

1995-07-20

1996-08-06

Green, Randall L.

Surgery

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

Treating material introduced into or removed from body...

604236, 604900, A61M 5178

Patent

active

055429327

ABSTRACT:
This invention is an improved flashback vent. A thin piece of biocompatible material is affixed over the open proximal end of a flashback chamber or a plug in the flashback chamber. This material has a plurality of holes formed therein. Thus, where the flashback chamber is used with an IV catheter introducer needle, blood can enter the flashback chamber and allow air to be vented therefrom without blood leaking from the flashback chamber.

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patent: 4894052 (1990-01-01), Crawford
patent: 4917671 (1990-04-01), Chang
patent: 5066284 (1991-11-01), Mersch et al.
patent: 5226883 (1993-06-01), Katsaros et al.
patent: 5290246 (1994-03-01), Yamamoto et al.

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