Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1989-10-03
1992-04-28
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
606194, A61M 2900
Patent
active
051083701
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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Article entitled "Effect of Inflation Pressures on Coronary Angioplasty Balloons", by Jain et al., published at pp. 26-28 of the Jan. 1, 1986, issue of The American Journal of Cardiology.
"The Balloon on a Wire Device", by Myler et al., published at pp. 135-140 of vol. 14, No. 2, 1988 of Catheterization and Cardiovascular Diagnosis, published by Alan R. Liss, Inc., New York.
"Selection of Dilatation Hardware for PTCA-1985" by Topol et al., published at pp. 629-637 of vol. 11, No. 6, 1985 issue of Catheterization and Cardiovascular Diagnosis, published by Alan R. Liss, Inc., New York.
"Perfusion During Coronary Angioplasty", by Rossen, published at pp. 103-106 of the Jun. 1989 issue of the periodical Cardio.
Lewis William W.
Meise William H.
Rosenbaum C. Fred
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