Patrick McCarthy, MD, Chief of Cardiac Services, Northwestern Memorial Hospital in Chicago, Illinois, designed the McCarthy Full Sternotomy Retractor in conjunction with Kapp Surgical Instrument, Inc. This self-retaining retractor was designed to provide excellent exposure for a variety of valve operations, Maze procedure, or other intracardiac procedures. It can also be used for full sternotomy or coronary artery bypass operations or for mini-sternotomy procedures.