Disposable intra-luminal ultrasonic instrument
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United States of America Patent
Stats
-
Jan 5, 1993
Grant Date -
N/A
app pub date -
Oct 2, 1990
filing date -
Oct 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The disposable intra-luminal ultrasonic instrument for the examination and/or treatment of blood vessels and similar lumina has a small transverse cross-section. The instrument includes a catheter comprising a body and a tip having a distal end and a distal portion adapted to be introduced into a lumen and a proximal portion. The catheter has a diameter no greater than 3 millimeters, a rotatable member in the tip, a small motor in the tip and coupled to the rotatable member for rotating the rotatable member at a selected rpm, and means for generating and supplying sound waves to, the rotatable member at a frequency no greater than 60 megahertz.
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