Device for filtering blood in a vessel with helical elements

Details Device for filtering blood in a vessel with helical elements Device for filtering blood in a vessel with helical elements

A - Human Necessities

61

F

A61F 2/01 (2006.01) A61L 17/06 (2006.01)

Patent

CA 2512232

A device for capturing an embolus within a vessel of a patient's body has at least one helix made of a mesh material. The at least one helix has a plurality of turns helically arranged around a longitudinal axis. The mesh material has a plurality of pores therein and the pores have a size >= 120 µm. The at least one helix includes a plurality of panels wherein the panels are movable from a collapsed state to an expanded state when placed within a vessel. The mesh material is made of a self expanding material such as nickel titanium in one embodiment. In another embodiment, the device has a double helix arrangement.

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