Thoratec Announces the First Human Use of HeartMate PHP™ (via PR Newswire)PLEASANTON, Calif., March 18, 2013 /PRNewswire/ — Thoratec Corporation (NASDAQ: THOR), a world leader in device-based mechanical circulatory support (MCS) therapies to save, support, and restore failing hearts, announced today that it has successfully completed the first human use of HeartMate PHP…