Radially vented flashback chamber and plug assembly

Details Radially vented flashback chamber and plug assembly Radially vented flashback chamber and plug assembly

1996-06-10

1998-10-20

Apley, Richard J.

Surgery

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

Treating material introduced into or removed from body...

604122, 604126, 604168, 604159, A61M 500

Patent

active

058240012

ABSTRACT:
A radially vented flashback chamber and plug assembly includes a plug seated in the proximal end of a flashback chamber. In one embodiment of this invention, the flashback chamber has an open proximal end and the plug has a closed proximal end, an open distal end, a lumen extending proximally from the open distal end, and a radially extending passageway located distal of the closed proximal end in communication with the lumen. A porous material is inserted into the lumen at the juncture between the lumen and the radially extending passageway to prevent blood leakage from the flashback chamber. One or more rings are located around the periphery of the plug proximal of the radially extending passageway to create a fluid tight seal between the flashback chamber and the barrel in which the flashback chamber is housed.

REFERENCES:
patent: 3670729 (1972-06-01), Bennet et al.
patent: 4149535 (1979-04-01), Volder
patent: 4682980 (1987-07-01), Suzuki
patent: 4935008 (1990-06-01), Lewis, Jr.
patent: 5032116 (1991-07-01), Peterson et al.
patent: 5053014 (1991-10-01), Van Heugten
patent: 5078689 (1992-01-01), Keller
patent: 5129884 (1992-07-01), Dysarz
patent: 5312355 (1994-05-01), Lee
patent: 5484416 (1996-01-01), Gittings
patent: 5501675 (1996-03-01), Erskine

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