Ultrasonic device having wire sheath

Details Ultrasonic device having wire sheath Ultrasonic device having wire sheath

1990-12-24

1993-09-28

Rosenbaum, C. Fred

Power plants

128 24AA, 606169, A61B 1720

Patent

active

052482960

ABSTRACT:
An ultrasonic device having a wire sheath for use in removing plaque from a human artery. This ultrasonic device has a wire for removing the plaque, a sheath around the wire for minimizing transverse displacement during cavitation; a handpiece having a portion joined to the wire at one end, and a transducer in the handpiece for vibrating the wire axially. It may also have a pips fitting having an opening for a syringe for fluid under pressure for a passageway between the wire and sheath.

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patent: 4431006 (1984-02-01), Trimmer et al.
patent: 4474180 (1984-10-01), Angulo
patent: 4735604 (1988-04-01), Watmough et al.
patent: 4920954 (1990-05-01), Alliger et al.
patent: 5069664 (1991-12-01), Guess et al.
patent: 5116343 (1992-05-01), Ams et al.

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