| 摘要 |
A cardiopulmonary bypass filter system comprises a housing (366) having distal and proximal ends, the proximal end comprising a connector (372) adapted to connect to at least one hose (360) and the distal end comprising a distal member (370) having first and second openings. The housing has a first lumen (374) adapted to be in fluid communication with the at least one hose (360) and one of the first and second openings (388), and also a second lumen (378) which extends from a port (380) to the other of the first and second openings (384) in the housing distal member. The filter system (394) includes a vascular filter system comprising a collapsible filter (394) which can be advanced through the housing port (380), said vascular filter system comprising (a) a filter membrane (400) support structure, and (b) a filter membrane (170) attached to said filter membrane support structure, said filter membrane having openings (190), wherein said openings (190) have variable diameters, and wherein the diameter of said openings (190) range from about 20 to about 300 microns. |
