Dental treatment apparatus with a root canal length measurement

Details Dental treatment apparatus with a root canal length measurement Dental treatment apparatus with a root canal length measurement

1997-08-22

1999-05-11

Hilten, John

Dentistry

Apparatus

Having condition sensor to transmit signal to regulate...

433 77, 433 98, A61C1/00

Patent

active

059021055

ABSTRACT:
A dental treatment apparatus with a root canal length measurement function comprising a cordless handpiece equipped with at least a cutting tool drive motor, a root canal length measurement circuit and a power supply battery, and a charger equipped with at least a charge circuit for charging the power supply battery. With this structure, the handpiece can be operated as desired without interference with any tube since no tube is necessary to connect the handpiece to a main control unit, thereby capable of providing an easy-to-use treatment apparatus. By charging the power supply battery for the handpiece using the charger, the battery can be used repeatedly.

REFERENCES:
patent: 4193408 (1980-03-01), Fujino
patent: 4501555 (1985-02-01), Ditchburn
patent: 4622503 (1986-11-01), Sundblom et al.
patent: 5139421 (1992-08-01), Verderber
patent: 5145369 (1992-09-01), Lustig et al.
patent: 5295833 (1994-03-01), Chihiro et al.
patent: 5453008 (1995-09-01), Berlin

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