A cardiac pacing lead for use in the coronary sinus and coronary veins. The lead is provided with a lead body configured to exhibit a curved configuration along a distal portion thereof, induced to maintain a portion of the curved configuration solely by means of a portion of a polyurethane lead body...http://www.google.de/patents/US6144882?utm_source=gb-gplus-sharePatent US6144882 - Medical electrical lead
