ALL-PURPOSE DENTAL HAND PIECE Russian patent published in 1995 - IPC

Abstract RU 2040223 C1

FIELD: medical engineering; operative dentistry. SUBSTANCE: device has casing 2 of boring bar, driven roller and tie rod bushing coupled with the drive. The device has spring-loaded pusher and a member for locking cutting instrument having three free balls entering a ring-shaped groove of the drill, bearing platform for drill flat. The bearing platform is coupled with the boring bar casing and driven roller. EFFECT: accelerated treatment of carious cavity walls. 3 cl, 8 dwg

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RU 2 040 223 C1

Authors

Asriev Aleksandr Mikhajlovich

Dates

1995-07-25—Published

1993-12-16—Filed