Intravascular catheter having combined imaging abrasion head
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United States of America Patent
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-
Apr 20, 1999
Issued Date -
N/A
app pub date -
Aug 30, 1996
filing date -
May 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Front-end and side-on intravascular catheters are described that comprise an abrasive head contained substantially within a housing. Aspiration means and flushing means are connected to the region of grinding to remove dislodged debris. A preferred embodiment has the abrasive surface of a rotatable head comprised of diamond powder. Another preferred embodiment has an ultrasonic transducer affixed to the head to permit transluminal imaging of the site of occlusion.
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