Prospective, multi-center, randomized, controlled pilot study to demonstrate the safety and effectiveness of the VGS Fluent external support device, supporting saphenous vein grafts in patients with coronary heart disease.

Primary Inclusion Criteria:

1. Patient scheduled for on-pump CABG on clinical grounds
2. Vein grafts indicated for right and circumflex coronary arteries and LIMA indicated for the LAD on clinical grounds
3. Native circumflex and right coronary arteries have at least one stenosis in each vessel> 75%

Primary Exclusion Criteria:

1. Concomitant non-CABG cardiac procedure
2. Prior peripheral vascular or cardiac surgery
3. Emergency CABG surgery (cardiogenic shock, inotrophic pressure support, IABP)