CT gantry balance system

X-ray or gamma ray systems or devices – Accessory – Testing or calibration

Reexamination Certificate

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Details

C378S015000, C378S162000, C073S458000, C073S459000, C073S462000, C073S468000

Reexamination Certificate

active

06890100

ABSTRACT:
A method and system for balancing CT gantry mechanisms. Two balance locations are preselected on the rotating base member and stacks of spacers, shims, and weights are provided at each site. Strain gate sensors are provided on the stationary base member and included as part of a sensor circuit. Trial and test runs determine the mass and Z-location of the mass which needs to be added to the system to statically and dynamically balance it.

REFERENCES:
patent: 5432339 (1995-07-01), Gordon et al.
patent: 5448608 (1995-09-01), Swain et al.
patent: 5627762 (1997-05-01), Cameron et al.
patent: 6412345 (2002-07-01), Murray et al.
patent: 6590960 (2003-07-01), Kroener et al.
patent: 6748806 (2004-06-01), Halsmer

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