Perfusion balloon catheter
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United States of America Patent
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-
Apr 28, 1992
Grant Date -
N/A
app pub date -
Oct 3, 1989
filing date -
Oct 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A perfusion balloon catheter, as for angioplasty, has the balloon formed so that, when inflated within a vas or coronary artery, one or more channels are provided for the flow of bodily fluids or blood past the inflated balloon. In one embodiment, the balloon has a toroidal shape which defines a central open channel. In another embodiment, the balloon defines a multiply-lobed form which allows flow between the lobes. Balloon catheters with open channels, when used for angioplasty, reduce the likelihood of early termination of the procedure due to chest pain.
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