Patent ID: 8690906

Claim:
A filter to be placed in a flow of blood through a vessel, the vessel having a wall, the filter comprising: a hub extending along a longitudinal axis between first and second ends; a set of first members projecting from the hub second end, each of the first members including a hook spaced along the longitudinal axis from the hub, each hook being spaced radially from the longitudinal axis a first distance, each of the first members further including a first linear segment extending substantially parallel to the longitudinal axis, a second linear segment extending tangentially with respect to the respective hook, and an intermediate linear segment extending between and obliquely coupled to the first and second segments, each of the second segments extending obliquely with respect to the longitudinal axis at a first angle, and each of the intermediate segments extending obliquely with respect to the longitudinal axis at a second angle less than the first angle; and a set of second members projecting from the hub second end and having a portion of at least one second member contiguous to a portion of at least one first member, each of the second members including a tip being spaced along the longitudinal axis from the hub, and each tip being spaced radially from the longitudinal axis a second distance less than the first distance.