Patent ID: 6142667
Filing Date: 2000-11-07
Classification: A61B

Abstract:
An X-ray positioning apparatus comprising:a support base;a C-arm, and an X-ray source and an image receptor mounted upon opposing locations, respectively, on the C-arm;a support arm pivotally attached at one end thereof to a first pivotal attachment point on the support base and slidably attached at a second end thereof to the C-arm, wherein the first pivotal attachment point coincides with an axis of lateral rotation such that the support arm is selectively rotatable relative to the support base about said axis of lateral rotation to selected lateral positions;a gas spring pivotally attached to a second pivotal attachment point on the support base and extending away from said second pivotal attachment point into a third attachment point on the support arm, wherein said second pivotal attachment point is spaced apart from the first pivotal attachment point, and wherein the entire gas spring resides inside the support arm.