A minimally invasive coronary anastomosis procedure includes providing an incision in an intercostal space between two ribs of a patient, the incision providing access to a selected anastomosis site on a blocked coronary artery. A spreader device is inserted between the two ribs, the spreader device...http://www.google.de/patents/US5882299?utm_source=gb-gplus-sharePatent US5882299 - Device and procedure for minimally invasive coronary anastomosis
