Patent Ductus Arteriosus (PDA) Occlusion Device Effective blockage of blood shunt Varieties of spec. options 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 tapered shape are available; varieties of specifications expand procedural options; Medical catheter; Medical Consumables; Disposable Medical products; l Special surface treatment, avoids nickel ion precipitation, provides superior bio-compatibility and long term safety l Effectively blocks blood aorta-pulmonary shunt, guarantees operation efficacy especially for great PDA l Both Straight shape and tapered shape are available; varieties of specifications expand l procedural options.