Patent ID: 6773426
Filing Date: 2004-08-10
Classification: A61M,Y10S

Abstract:
A system to trap and remove air from a venous blood reservoir to be used during cardiopulmonary bypass designed, comprising of:a) A venous reservoir, said reservoir having: i. at least two walls, at least one of the walls being flexible, the walls having a first perimeter, the walls sealed along the first perimeter to form a blood chamber, having a first top, a first bottom, and a first blood level; ii. an inlet tube entering the blood chamber having a first inside diameter, iii. an outlet tube exiting the blood chamber; b) an air venting chimney, having a second top as its outlet, and a second bottom as its inlet, the second bottom being in fluid communication with the first top of the blood chamber and the second top being in fluid communication with the first means to remove air; c) a first means to remove the air automatically from the blood chamber; wherein the first means removes air but not blood from the venting chimney thereby allowing air, but not blood, to be removed from the blood chamber.