Guidewire apparatus for temporary distal embolic protection
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United States of America Patent
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Jun 28, 2005
Issued Date -
N/A
app pub date -
Mar 15, 2002
filing date -
Apr 3, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guidewire apparatus for use during percutaneous catheter interventions, such as angioplasty or stent deployment. A protection element comprising a filter or an occluder is mounted near the distal end of a steerable guidewire, which guides a therapeutic catheter. The guidewire apparatus comprises a hollow shaft movably disposed about a core wire and, optionally, a slippery liner interfitted there between. The shaft and core wire control relative displacement of the ends of the protection element, causing transformation of the protection element between a deployed configuration and a collapsed configuration.
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