An IMD can be implanted into a patient to address various conditions. The IMD case and leads can have various electrodes and other portions to measure various physiological conditions. For example, a selected current can be generated between two electrodes, either external or internal in the patient,...http://www.google.fr/patents/US7941213?utm_source=gb-gplus-shareBrevet US7941213 - System and method to evaluate electrode position and spacing
System and method to evaluate electrode position and spacing