Ultrasonic decoupling sleeve

Details Ultrasonic decoupling sleeve Ultrasonic decoupling sleeve

1986-01-24

1987-07-21

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

128305, 433119, A61F 232

Patent

active

046815619

ABSTRACT:
A decoupling sleeve for inclusion in a fluid conduit of an ultrasonically-operated instrument, such as a surgical instrument, which is irrigated by irrigating fluid at the operative site. The decoupling sleeve includes a tubular thin-walled body portion defining spaced openings, and a collar member for retaining the decoupling sleeve in a tip cap sleeve member for the instrument. The inclusion of the decoupling sleeve in the irrigating fluid conduit intermediate a portion of an ultrasonically-operated tool and the interior of the tip cap sleeve member defining the fluid conduit impedes the transmission of ultrasonic energy through the fluid medium in the conduit, thus reducing objectionable cavitation and bubble formation at the operative site.

REFERENCES:
patent: Re30536 (1981-03-01), Perdreaux, Jr.
patent: 3693613 (1972-09-01), Kelman
patent: 3805787 (1974-04-01), Banko
patent: 3945375 (1976-03-01), Banko
patent: 4417578 (1983-11-01), Banko
patent: 4428748 (1984-01-01), Peyman et al.
patent: 4504264 (1985-03-01), Kelman
patent: 4515583 (1985-05-01), Sorich

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