Method and apparatus for reconstructing target tissue by grafting uses a stabilizing balloon cannula having an endoscope for visualizing the placement of the graft during the procedure. The method and apparatus advances a sheathed graft to the target tissue, releases the graft at the target site, occludes...http://www.google.com/patents/US5571172?utm_source=gb-gplus-sharePatent US5571172 - Method and apparatus for endoscopic grafting
