Method and apparatus for aiding dilatation catheterization
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United States of America Patent
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-
Jan 17, 1989
Grant Date -
N/A
app pub date -
Apr 9, 1987
filing date -
Apr 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved technique for positioning a balloon dilatation catheter. When the balloon catheter approaches an obstruction that is difficult to enter, a drive catheter having a rotatable head is inserted into a central passageway in the catheter. The drive catheter bores through the obstruction allowing the balloon to be inserted and pressurized to compress obstructions and widen a passageway for blood flow.
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