Contra-angle ultrasonic endodontic instrument

Details Contra-angle ultrasonic endodontic instrument Contra-angle ultrasonic endodontic instrument

1978-08-23

1980-10-21

Peshock, Robert

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433102, A61C 107, A61C 303

Patent

active

042291682

ABSTRACT:
A contra-angle ultrasonic endodontic instrument is described which includes, basically, a head mechanically coupled to the ultrasonically driven shaft of an endodontic instrument. The head includes means, such as one or more holes, to receive a shaft of an endodontic tool of relatively uniform longitudinal and lateral cross-section with its longitudinal axis at a substantial angle to the longitudinal axis of the shaft, thus, ultrasonic vibrations in the shaft are transferred to the tool.

REFERENCES:
patent: 3368280 (1968-02-01), Friedman et al.
patent: 3892040 (1975-07-01), Marquis
patent: 3969823 (1976-07-01), Nakanishi

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