Device for filtering blood in a vessel with helical elements
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United States of America Patent
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Issued Date -
Jan 26, 2006
app pub date -
Jul 22, 2004
filing date -
Jul 22, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
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 .gtoreq.120 .mu.m. 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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