Figure 2From: Off-pump occlusion of trans-thoracic minimal invasive surgery (OPOTTMIS) on simple congenital heart diseases (ASD, VSD and PDA) attached consecutive 210 cases report: A single institute experience ASD, VSD and PDA Occluders used in the OPOTTMIS. (Made in Shanghai shape memory alloy material Ltd. Co., CN, No.: 20043770007). A: ASD Occluder; B: VSD Occluder; C: PDA Occluder. The Occluders are made from Nitinol materials.Back to article page