Patent ID: 8242925

Claim:
An arrangement for positioning at least one controllable apparatus component in a system, comprising: a pointer instrument comprising a first navigation marker; an x-ray apparatus comprising positionable x-ray apparatus component to be positioned in space, said x-ray apparatus component comprising a second navigation marker; a navigation system that detects and tracks respective positions and orientations of each of said first navigation marker and said second navigation marker; said pointer instrument being manually manipulable to orient the pointer instrument relative to a location to which said x-ray apparatus component is to be aligned; an evaluation and control unit, connected to said navigation system, configured to identify relative positions and orientations of said pointer instrument and said x-ray apparatus component from the respective detected positions of said first and second navigation markers and to generate position control data in electronic form from the identified relative positions and orientations of the pointer instrument and the apparatus component, and to emit the position control data in electronic form; and a positioning device provided with said positioning control data in electronic form operated by said evaluation and control system to position said apparatus component relative to the location designated by said pointer instrument using said positioning control data.