Dentistry – Apparatus – Having condition sensor to transmit signal to regulate...
Patent
1979-04-20
1981-01-06
Mancene, Gene
Dentistry
Apparatus
Having condition sensor to transmit signal to regulate...
433 75, 433 99, 433102, 433224, A61C 100
Patent
active
042433886
ABSTRACT:
A dental hand engine for driving a reamer for widening root canals, which is characterized in the provision of a control device which electrically senses the time when a forward end of the reamer reaches a radical apex for automatically stopping the engine and consequently the reamer.
REFERENCES:
patent: 1366877 (1921-01-01), Craig
patent: 1713971 (1929-05-01), Lowry et al.
patent: 3346958 (1967-10-01), Sinatra et al.
patent: 3660901 (1972-05-01), Inoue
patent: 3839797 (1974-10-01), Randolph
patent: 3916529 (1975-11-01), Mousseau
Kabushiki-Kaisha Dentronics
Mancene Gene
Wilson John J.
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