Resonator for surgical handpiece

Details Resonator for surgical handpiece Resonator for surgical handpiece

1988-12-20

1990-12-18

Kamm, William E.

Surgery

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

With means for cutting, scarifying, or vibrating tissue

128 24A, 51 59SS, 310 26, A61M 100

Patent

active

049783335

ABSTRACT:
An ultrasonic resonant vibrator comprising an ultrasonic vibration magnetostrictive transducer, and a resonant member having a proximal end and a distal end for transmitting ultrasonic vibrations to an operating member which is part of the resonant structure. The vibrator comprises an integral substantially rigid column having a central axis with fins extending radially relative to said axis and having a longitudinal hole defining a tunnel centered along the central axis, wherein at least part of the resonant member is located within the tunnel; and a surgical handpiece incorporating such a vibrator.

REFERENCES:
patent: Re25033 (1961-08-01), Balamuth et al.
patent: 2826396 (1958-03-01), Murdoch, Jr.
patent: 3311352 (1967-03-01), Dostal
patent: 3370186 (1968-02-01), Antonevich
patent: 3375583 (1968-04-01), Blank et al.
patent: 4223676 (1980-09-01), Wuchinich et al.
patent: 4330278 (1982-05-01), Martin
patent: 4425115 (1984-01-01), Wuchinich

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