Apparatus for delivering brachytherapy to a target tissue region includes an elongate body including a proximal end, a distal end sized for introduction into a tissue tract and carrying a plurality of elongate members including pathways for receiving a source of radiation. The elongate members are movable...http://www.google.de/patents/US20070106108?utm_source=gb-gplus-sharePatent US20070106108 - Brachytherapy Apparatus and Methods for Using Them