Patent ID: 6789942
Filing Date: 2004-09-14
Classification: A61B

Abstract:
A C-arm x-ray apparatus comprisinga mobile support base, a vertically extendable column, an extendable cross arm having a first end slidably attached to the vertically extendable column and a second end, a support arm having a first end attached to the second end of the cross arm and a second end, a yoke having a first end attached to the second end of the support arm and a second end, a C-arm attached to the second end of the yoke, a brake handle, a brake operated by the brake handle, said brake handle being exterior to the yoke and said yoke having a hollow interior portion, a brake shaft wherein the shaft support is connected to the brake handle using an eccentric shaft support, a cam mounted on the brake shaft, a plunger engaged with the cam, a brake pad at the end of said plunger, a plunger support mounted within the yoke and having an apertur permitting the plunger to pass, a spring situated between the cam and the plunger support, wherein, when the brake handle is operated, the brake handle turns the brake shaft which rotates the cam, and the cam then pushes the plunger, compresses the spring and sets the brake pad onto the C-arm, an x-ray source, an image receptor, wherein the image receptor and the x-ray source are mounted on opposing ends of the C-arm.