Vascular catheter with expanded distal tip for receiving a thromboembolic protection device and method of use
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2003
app pub date -
Jan 21, 2003
filing date -
Mar 12, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vascular catheter including a radially expandable segment, such as an inflatable balloon, and an expanded distal tip having an increased storage volume is disclosed. The inflatable balloon segment of the catheter may be used to provide traditional balloon angioplasty to a portion of a blood vessel narrowed by stenosis, and the expanded distal tip of the catheter apparatus may be used to safely capture, store, and remove a thromboembolic protection device such as an embolic filter used to catch pieces of plaque and other embolic material dislodged during the balloon angioplasty procedure. The catheter of the present invention provides an effective means for dilating a narrowed portion of a blood vessel, as well as preventing the need for deploying a second catheter system to capture and retrieve the embolic filter. The present invention also greatly reduces the chance for plaque and other thromboembolic material to escape from the embolic filter and enter the patient's bloodstream.
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