An implantable lead body for a medical device with improved conductor lumens separates and insulates conductors while permitting access to the conductors through the implantable lead outer surface. The implantable lead comprises a lead body, a stylet lumen, at least one conductor lumen, and at least...http://www.google.ca/patents/US7818070?utm_source=gb-gplus-sharePatent US7818070 - Method of manufacturing an implantable lead
