Low profile perfusion catheter
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United States of America Patent
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Sep 6, 1994
Grant Date -
N/A
app pub date -
Jun 30, 1993
filing date -
Jun 30, 1993
priority date (Note) -
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Abstract
Disclosed is a Low Profile Perfusion Catheter, for use in coronary angioplasty applications. Preferably, the catheter is provided with an inflatable dilatation balloon, and a perfusion lumen extending therethrough. The diameter of the perfusion lumen is enlargable from a first, reduced diameter to a second, enlarged diameter. In one embodiment, an axially movable tubular support is movable within the lumen from a proximal, insertion position to a distal perfusion position. In another embodiment, the support is radially expandable. In a further embodiment, a porus drug delivery balloon is provided.
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