IVC FILTER WITH TRANSLATING HOOKS

摘要

A filter with translating hooks is described. The filter can include strut members having first and second struts connected by a connecting portion, A translating hook is disposed adjacent the connecting portion at the strut members, the hook including a first elongate member attached at one end to the first strut and a second elongate member attached at one end to a second strut, the opposite ends of the elongate members connected together to define a tip. The translating hooks are configured to bend toward a central axis of the filter when the filter is in a collapsed configuration for delivery to a blood vessel and recovery from a blood vessel, and away from the central axis of the filter when the filter is in an expanded configuration within a blood vessel such that the hooks engage a vessel wall.

主权项

1. A filter comprising:
a hub disposed on the central longitudinal axis of the filter; an appendage comprising:
a first leg connected to the hub and a second leg connected to the hub;a strut member comprising first and second struts wherein
each strut has a first end and a second end,the second ends of each strut are joined together through a first connecting portion,the first end of the first strut connects to the first leg through a second connecting portion,the first end of the second strut connects to the second leg through a third connecting portion,a biased hook bridging a connecting portion, wherein the filter has an expanded configuration with a perimeter measured orthogonal to the longitudinal axis and a retracted configuration with a perimeter measured orthogonal to the longitudinal axis smaller than the expanded configuration longitudinal perimeter.