MEDICAL TREATMENT SYSTEM AND METHOD USING RADIOACTIVITY BASED POSITION SENSOR

摘要

The present invention discloses a method of guiding a tool, the method comprising: location
(a) determining at least an indication of a location of a source of radioactivity implanted at a position having a geometric relationship to a target tissue, using at least one radioactivity detecting position sensor; and
(b) positioning a tool at a desired relative location with respect to said target tissue based on said determined location.