Patent ID: 9345564
Filing Date: 2016-05-24
CPC Classification: A61F

Claim Text:
1. A removable filter assembly comprising a filter having a collapsed state and an expanded state for capturing thrombi in a blood vessel, the filter including: a hub defining a waist and a longitudinal filter axis; a plurality of primary struts extending from a first axial side of the hub axially away from the hub and radially outward and terminating in primary free ends in the expanded state; and a plurality of secondary struts extending from a second axial side of the hub opposing the first axial side, the plurality of secondary struts extending axially away from the hub and axially away from the primary struts in a strut portion adjoining the hub, and terminating in secondary free ends which, in the expanded state, point toward the longitudinal filter axis, the secondary struts forming a radially outward arc extending from the hub over an angle of at least about 180° in the expanded state.