Process for cleaning and enlarging passages

Details Process for cleaning and enlarging passages Process for cleaning and enlarging passages

1991-03-01

1992-05-26

Mancene, Gene

Dentistry

Method or material for testing, treating, restoring, or...

Cleaning

433215, 433224, 606 7, A61C 1500, A61C 500, A61C 502

Patent

active

051162270

ABSTRACT:
A process for cleaning and/or shaping passages, comprising providing an optical fiber having a diameter sufficiently small to be introduced into the passage and having a free end provided with a radiation focussing element; introducing the free end of the fiber into the passage so that the focal point defined by the radiation focussing element is located adjacent the region to be cleaned or shaped; providing a liquid in the passage at the location of the focal point of the radiation focussing element; and supplying pulses of laser radiation to the fiber so that the radiation exits the fiber via the free end to provoke a cavitation of vapor at the interior of the irrigating liquid.

REFERENCES:
patent: 4273535 (1981-06-01), Yamamoto et al.
patent: 4503853 (1985-03-01), Ota et al.
patent: 4583539 (1986-04-01), Karlin et al.
patent: 4784135 (1988-11-01), Blum et al.
patent: 4791927 (1988-12-01), Menger
patent: 4832023 (1989-05-01), Murphy-Chutorian
patent: 4848336 (1989-07-01), Fox et al.
patent: 4850872 (1989-07-01), Goldman et al.
patent: 4940411 (1990-07-01), Vassiliadis et al.

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