Fig. 3

Assessment of the integrity and deformability of the coating on an expanded Graftmaster RX coronary stent system by SEM. Panel a shows a coated Graftmaster RX coronary stent system before expansion. After expansion, no cracking, fissuring, or peeling was seen on the coated metal surface (panels b and c), and on the ePTFE the coating remained elastic with no peeling or flaking (panels d and e)