A system includes multiple slave devices implanted in a human body, wherein each slave device includes a communication module operable to receive transmitted communications and is associated with a permanent device identifier. The system further includes a master device including a communications module...http://www.google.com.au/patents/US7908334?utm_source=gb-gplus-sharePatent US7908334 - System and method for addressing implantable devices
System and method for addressing implantable devices
