Rotatable medical and/or dental instrument having a variable spe

Details Rotatable medical and/or dental instrument having a variable spe Rotatable medical and/or dental instrument having a variable spe

1998-09-01

1999-11-02

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433126, A61C 108

Patent

active

059759003

ABSTRACT:
A handheld medical instrument for rotating a tool including a support structure having a portion that may be gripped by a user, and an electric motor having an output rotatable at a first speed. A tool rotating shaft extends from the support structure and is adapted to be coupled to a tool to rotate the tool at a second speed. A variable speed transmission is operatively coupled between the output of the electric motor and the tool rotating shaft to transfer rotation therebetween and is selectively adjustable between at least two different ratios of the first speed relative to the second speed.

REFERENCES:
patent: 3229369 (1966-01-01), Hoffmeister et al.
patent: 3436980 (1969-04-01), Loge et al.
patent: 4278428 (1981-07-01), Straihammer et al.
patent: 4306865 (1981-12-01), Leonard
patent: 5281138 (1994-01-01), Rosensstatter
patent: 5569034 (1996-10-01), Meller et al.

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