An implantable medical electrode for use with implantable medical device systems having a base formed of a tungsten alloy. The tungsten alloy electrode may be a lead-based or leadless electrode and may be provided with or without a coating. The tungsten alloy electrode is utilized in an implantable medical...http://www.google.es/patents/US20070233217?utm_source=gb-gplus-sharePatente US20070233217 - Implantable medical electrode
