In vivo ultrasonic system with angioplasty and ultrasonic contrast imaging
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United States of America Patent
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Nov 17, 1992
Issued Date -
N/A
app pub date -
Dec 12, 1989
filing date -
Jan 22, 1988
priority date (Note) -
Expired
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Abstract
An instrument and method for removing an obstruction from a human body lumen, such as an artery, is provided wherein the distal end of an ultrasonic transmission member is inserted within the artery and is connected at its proximal end to an ultrasonic power generator including a horn. A high efficiency ultrasonic transmission wire is connected to the horn which is formed from a material having a mechanical Q greater than about 50,000.
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