Cartridge type dental handpiece

Details Cartridge type dental handpiece Cartridge type dental handpiece

1992-08-07

1993-10-12

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 82, 433115, A61C 108, A61C 110, A61C 112, A61C 105

Patent

active

052520650

ABSTRACT:
A cartridge type dental handpiece contains a handpiece main body, a head housing provided at a distal end of the handpiece main body, and a cartridge detachably adapted within the head housing. The cartridge has a cartridge casing and a rotatable sleeve rotatably mounted within the cartridge casing and adapted for detachably holding a dental burr. The dental handpiece further contains a fluid passage defined between an inner surface of the head housing and an outer surface of the cartridge casing when the cartridge is mounted within the head housing, a fluid spraying port formed in a lower surface of the cartridge casing in communication with the fluid passage for spraying the fluid from the fluid passage onto a tooth being treated, and a communication port for supplying the fluid from a fluid supply duct within the handpiece main body into the fluid supply passage.

REFERENCES:
patent: 4234308 (1980-11-01), Leonard
patent: 4369034 (1983-01-01), Garnier et al.
patent: 4975056 (1990-12-01), Eibofner
patent: 5078601 (1992-01-01), Badoz et al.
patent: 5167501 (1992-12-01), Castellini

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