The c-arm system is currently commonly used, as shown in the image above. In addition to the c-arm is a processing station that processes and displays images that takes up just as much room as the c-arm. This is an advanced c-arm system that allows rotation on two axes instead of the more normal one.
Sources:
http://www.asecvets.com/images/tour/11.jpg
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Website created by: David Thayer, last edited: May 29, 2006