Vascular re-entry catheter
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United States of America Patent
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-
Jan 28, 2003
Grant Date -
Aug 9, 2001
app pub date -
Jan 19, 2001
filing date -
Jan 13, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.
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