Vein holder for coronary bypass surgery.

Two types of vein holder were designed to facilitate coronary bypass surgery. One is designed for vein graft-to-coronary artery anastomosis and is particularly useful for the side-to-side anastomosis in sequential grafting. The other is designed for vein graft-to-aorta anastomosis and enables anastomosis by one surgeon. The vein holder holds the vein graft in a three-dimensional position without the need of forceps, which protects the vein graft wall from crush injuries caused by vascular forceps.