A ring electrode for an implantable medical device includes a conductive tubular member adapted to be attached to a lead body and having a continuous generally helical slot formed therein to form a coil thereby enabling omni directional bending. The coil is of flattened cross section and in one embodiment,...http://www.google.com/patents/US7389148?utm_source=gb-gplus-sharePatent US7389148 - Electrode design for defibrillation and/or sensing capabilities