Patent ID: 8721514
Filing Date: 2014-05-13
Classification: A61N

Abstract:
1. A brachytherapy apparatus, comprising: an implantable applicator which provides at least one guide channel for guiding a radioactive source or seed to a target region; a plurality of electromagnetic sensors mounted to the applicator; a plurality of imageable fiducials which include fiducial electromagnetic sensors, the fiducials being configured for attachment to a patient adjacent the target region; an electromagnetic tracking system that determines a relative position of the electromagnetic sensors and the fiducial electromagnetic sensors; and a treatment processor that plans a brachytherapy treatment session at least partially based on a combination of the relative position of the electromagnetic sensors and the fiducial electromagnetic sensors and on a planning image including at least the implantable applicator implanted within the patient adjacent the target region and the imageable fiducials attached to the patient adjacent the target region.