Tandem balloon dilatation catheter
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United States of America Patent
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-
Mar 26, 1991
Issued Date -
N/A
app pub date -
Jun 21, 1989
filing date -
Jan 6, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Tandem balloon dilatation catheter assembly having a flexible elongate member with proximal and distal ends. The flexible elongate member is provided with at least first and second lumens extending therethrough. First and second balloons are carried by the distal extremity of the flexible elongate member and are spaced apart longitudinally thereof. The first balloon has a diameter which is less than the diameter of the second balloon. The first balloon is disposed distally of the second balloon. Communication is established between the interior of the first balloon and the first lumen and between the interior of the second balloon and the second lumen.
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