Venous reservoir with improved inlet configuration and integral

Details Venous reservoir with improved inlet configuration and integral Venous reservoir with improved inlet configuration and integral

1990-07-16

1991-10-29

Hafer, Robert A.

Surgery

Blood drawn and replaced or treated and returned to body

604410, 604122, 422310, 210436, A61M 100

Patent

active

050612360

ABSTRACT:
A blood reservoir device comprising a generally flexible blood collection chamber having an inlet portion and a main portion. The inlet portion is preferably sized and configured such that blood entering the inlet portion will avoid turbulence and will undergo generally laminar flow through the inlet portion, into the main portion of the chamber. A vent tube is provided for venting coalesced or collected gas bubbles from the top edge of the chamber. Additionally, one or more filter elements may be positioned within the chamber to further facilitate removal of air bubbles from blood passing through the chamber.

REFERENCES:
patent: 3985135 (1976-10-01), Carpenter et al.
patent: 4396383 (1983-08-01), Hart
patent: 4576603 (1986-03-01), Moss
patent: 4602910 (1986-07-01), Larkin
patent: 4734269 (1988-03-01), Clarke et al.
patent: 4863452 (1989-09-01), Irmiter et al.

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