Equilibrated C-arm x-ray device

Details Equilibrated C-arm x-ray device Equilibrated C-arm x-ray device

2005-02-17

2009-06-09

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Source support

Including movable source

C378S196000, C378S198000

Reexamination Certificate

active

07543986

ABSTRACT:
An x-ray C-arm device has a C-arm rotatable around an orbital axis proceeding perpendicular to the plane of the C-arm. The C-arm carries an x-ray source and a radiation detector, and the overall center of gravity of the C-arm and the components carried thereby exerts a first torque on the C-arm. A counterbalancing device generates a second torque that at least partially compensates the first torque. The counterbalancing device includes a counterweight that is displaceably coupled to the C-arm by a gearing arrangement.

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