Computerized instrument platform positioning system

Dentistry – Method or material for testing – treating – restoring – or...

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433 72, 433223, A61C 500

Patent

active

058460810

ABSTRACT:
A precision instrumentation platform carrying a tool, such as a scanner or drill, on a computer-controlled robotic arm is controlled by a robotic type positioning system. The scanner of the platform makes a three dimensional tomographic type scan of the area being diagnosed and a computer image is formed. A drill, or other treatment modality of the instrumentation platform, is controlled to treat the affected area. In the preferred embodiment of the invention, computer-controlled hydraulic pumps control vertical movement and rotation of the robotic arm and the instrumentation platform. These pumps adjust fluid volummes in various chambers to position the platform either for the purpose of making the scan or performing the treatment. As fluid volummes change, pistons move, and the platform follows a computer-directed path. Positional sensors, along with connecting torque systems and control systems create a multi-loop servo-system that guides the platform.

REFERENCES:
patent: 4411626 (1983-10-01), Becker et al.
patent: 4478580 (1984-10-01), Barrut
patent: 4575805 (1986-03-01), Moermann et al.
patent: 4941826 (1990-07-01), Loran et al.
patent: 5224049 (1993-06-01), Mushabac
patent: 5383752 (1995-01-01), Rheinberger et al.

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