Figure 1From: 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 Delivery systems and self-made devices used for OPOTTMIS. Outer sheath; Inner sheath; Guiding probe; Delivery rod; Retrieval wire.Back to article page