The invention relates to a method for presenting interventional instruments in a 3D data set of an anatomy to be treated. A 3D data set of the anatomy is recorded before introduction of an interventional instrument. Once the interventional instrument has been applied, the spatial position of the instrument...http://www.google.com/patents/US8068581?utm_source=gb-gplus-sharePatent US8068581 - Method for representing interventional instruments in a 3D data set of an anatomy to be examined as well as a reproduction system for performing the method