A computerized system 40 for locating a device. System 40 includes a sensor module 20 and a CPU 42. A radioactive source 38, associated with the device, produces a signal in the form of radioactive disintegrations. Module 20 includes a radiation detector 22 capable of receiving a signal from source 38...http://www.google.es/patents/US7847274?utm_source=gb-gplus-sharePatente US7847274 - Localization of a radioactive source within a body of a subject
Localization of a radioactive source within a body of a subject
