Perfusion dilatation catheter with expanded support coil
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United States of America Patent
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Apr 6, 1999
Issued Date -
N/A
app pub date -
Feb 7, 1997
filing date -
Mar 14, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A balloon dilatation catheter having perfusion capabilities with an expanded helical support coil within the perfusion portion of the catheter shaft proximal to the balloon with the perfusion ports being defined by passageways through adjacent turns of the support coil. Elongated portions of an outer polymer jacket are removed, preferably by laser, to expose a plurality of turns of the support coil and define a number of perfusion ports between adjacent turns.
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