Devices and methods for performing percutaneous myocardial revascularization (PMR). A catheter in accordance with the invention includes an elongate shaft having a proximal end and a distal end. The elongate shaft defines a lumen, and a conductor is disposed inside the lumen. An electrode portion is...http://www.google.co.uk/patents/US20010049523?utm_source=gb-gplus-sharePatent US20010049523 - PMR catheter
