Patent ID: 9439619
Filing Date: 2016-09-13
CPC Classification: A61B

Claim Text:
1. Apparatus for use with a C-arm type x-ray unit to locate and center an x-ray target area, the x-ray unit having an x-ray emitter located at one end of a C-arm and an x-ray receptor located at the other end of the C-arm, comprising: a ring-shaped band adjustably fitting around an outer end of the x-ray receptor; and, a first laser light source and a second laser light source, said laser light sources being carried on the band in a predetermined orientation to each other, and the laser light sources each projecting laser light into the target area between the x-ray emitter and the x-ray receptor so to determine a center of the target area through which x-rays will be propagated when a patient is positioned in the x-ray unit for a procedure to be performed on the patient.