Patent ID: 8911666
Filing Date: 2014-12-16
Classification: A61M,B01D,B32B,Y10T

Abstract:
1. A filter arrangement configured to be positioned in a housing of an oxygenator, comprising: a cylindrically shaped filter member in combination with a hollow fiber membrane bundle comprised of a plurality of integrated hollow fiber membranes that are formed of polymer material and are transmissive to gas; the filter member being configured to be arranged over an outer periphery of the hollow fiber membrane bundle to closely contact the outer periphery of the hollow fiber membrane bundle; the filter member possessing circumferential elasticity allowing an inner circumference of the filter member to be increased from a natural non-expanded state prior to placement on the hollow fiber membrane bundle to an expanded state in which the inner circumference of the filter member is increased when placed on the hollow fiber membrane bundle; and the outer circumference of the hollow fiber membrane bundle being represented by L