Offset proximal cage for embolic filtering devices
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United States of America Patent
Stats
-
Sep 6, 2005
Grant Date -
May 29, 2003
app pub date -
Nov 27, 2001
filing date -
Nov 27, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An expandable cage used in conjunction with an embolic filtering device has a strut configuration including a proximal strut assembly coupled to a distal strut assembly. A filter can be attached to the distal strut assembly which has an inlet opening. The proximal strut assembly is 'offset' from the distal strut assembly in that these proximal struts extend substantially along the vessel wall of the patient, rather than being 'centered' in the body vessel when the cage is expanded in a body vessel. As a result, there is little cage structure directly in front of the opening of the filter, resulting in a virtually unobstructed opening for the filter.
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