Patent ID: 7711084
Filing Date: 2010-05-04
Classification: A61B,G01B,G01N

Abstract:
1. Method for determining the actual position of a structure of an object ( 1 ) to be investigated in a coordinate system, wherein a computer tomograph employing CT-technology with a first coordinate system referring to the computer tomograph, a CT-coordinate system, and a coordinate measurement instrument, which coordinate measurement instrument is either a tactile or optical coordinate measurement apparatus, a multisensor coordinate measurement apparatus, or an ultrasound coordinate measurement apparatus, with a second coordinate system referring to this coordinate measurement instrument, an MI-coordinate system, are employed wherein a) the coordinates of the object ( b) a set point position of the structure within the object ( c) the set point position is determined in the MI-coordinate system after performing the steps a) and b), d) and wherein the computer tomograph and the object ( aa) the coordinates of the object ( bb) a set point position of the structure is pregiven within the object ( cc) the set point position after performing the steps aa) and bb) is determined in the CT-coordinate system, dd) and the computer tomograph and the object (