Pneumatic ultrasonic surgical handpiece

Details Pneumatic ultrasonic surgical handpiece Pneumatic ultrasonic surgical handpiece

1984-08-22

1986-09-02

Truluck, Dalton L.

Surgery

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

With means for cutting, scarifying, or vibrating tissue

604 27, 604 35, 128 24A, 128305, A61B 1720

Patent

active

046093680

ABSTRACT:
A surgical handpiece having an ultrasonically driven tool operated by gas under pressure. A surgical handpiece useable for ophthalmic and other microsurgery uses a whistle for generating ultrasonic waves and causing a driving member to reciprocate at ultrasonic frequency. The handpiece has a probe with a needle or other tool reciprocable within the probe. Irrigation liquid can be supplied through the handpiece and through the probe, surrounding the tool to remove heat. The tool has a lumen, and the lumen is connected to a source of vacuum through the handpiece for aspiration of tissue fragmented by the reciprocating tool.

REFERENCES:
patent: 3994297 (1976-11-01), Kopf
patent: 4314560 (1982-02-01), Helfgott et al.
patent: 4428748 (1984-01-01), Peyman et al.

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