MemoPart™ Patent Ductus Arteriosus (PDA) Occlusion Device • Special surface treatment, avoids nickel ion • Precipitation, provides superior bio-compatibility and long term safety. • Effectively blocks blood aorta-pulmonary shunt, guarantees operation efficacy especially for great PDA. • Both Straight shape and Core to tiped shape are available; varieties of specifications expand procedural options. So as to make PDA occluder more adaptable to the clinical needs, on the basis of typical structure, improve PDA ocduder appearance and thus have below 4 vanantion structure. Typical structure A: Aortic Disc Diameter B: Pulmonic Waist Diameter C: Aortic Waist Diameter E: Stainless Stell Hub A E H: Height of Connecting Waist