Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1990-07-05
1991-05-21
Wilson, John J.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433 72, 433108, 433 76, A61C 1904, A61C 302, A61C 102, A61C 108, A61C 118
Patent
active
050171399
ABSTRACT:
A mechanical support for holding a dental medical instrument includes multiple segments which are mounted to one another to provide six degrees of freedom of motion for an instrument supported at one end of the support arm. At each juncture or joint between segments, a positioning encoder provides an electrical signal which indicates the motion of one of the segments relative to the adjacent segment. The combined encoder outputs provides information concerning all six degrees of freedom of motion and thus provides a signal which tracks with the motion of the operating instrument. A slave probe coupled to the operating end of the instrument provides a technique of either commanding the positioning of the instrument or, alternatively, tracking with the position of the instrument. The slave probe thus executes a three dimensional contour that is the same as the three dimensional surface traced by the instrument.
REFERENCES:
patent: 3083462 (1963-03-01), Jermyn
patent: 4182312 (1980-01-01), Mushabac
patent: 4344755 (1982-08-01), Gold et al.
Cherichetti Cindy A.
Wilson John J.
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