Balloon catheter inflation pressure and diameter display apparatus and method
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United States of America Patent
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Dec 15, 1992
Grant Date -
N/A
app pub date -
Aug 2, 1991
filing date -
Aug 2, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An apparatus for determining fluid pressure and inflation diameter in the balloon of a dilation catheter includes a pressure sensing transducer in fluid communication with the interior of the catheter balloon. The transducer provides a balloon pressure signal which is processed by a microcomputer to determine a balloon diameter or circumference as a function of the balloon pressure. The microcomputer produces a signal representing the balloon diameter or circumference. A digital display responds to the pressure signal and diameter signal to display both balloon pressure and diameter in order to provide an added degree of safety and control to a vascular physician conducting balloon angioplasty or similar procedures.
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