A transvenous lead specifically designed for coronary sinus implantation. The lead features a fixation ring positioned adjacent to the electrode. The ring is constructed so as to be readily pliable and bent. The ring functions to wedge or fix the lead within the coronary sinus in such a manner that the...http://www.google.co.uk/patents/US6006122?utm_source=gb-gplus-sharePatent US6006122 - Medical electrical lead
