Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-05-26
1994-08-30
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 53, 604102, 606194, A61M 2900
Patent
active
053423062
ABSTRACT:
A method and apparatus for performing a medical treatment at a selected location of a physiologic passage by: introducing the apparatus into the passage so that a first location on the catheter is opposite the selected location of the passage; establishing a selected spacing between first and second balloons carried by the apparatus and inflating the first and second balloons to establish a treatment region which is bounded by the balloons, the catheter and the passage; periodically introducing a treatment chemical into the treatment region and withdrawing fluid from the treatment region via means for permitting flow and a first lumen of the apparatus; and during the course of the step of periodically introducing, varying the spacing between the first and second balloons.
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Gring N. Kent
Rosenbaum C. Fred
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