PREEMIE: Study for Treatment of PDA in Premature Infants

Inclusion Criteria: * Subject is age ≥5 days at time of enrollment. * Subject has a diagnosis of a hemodynamically significant patent ductus arteriosus (PDA) requiring closure. * Subject has a PDA is ≤4.0 mm in diameter. * Subject has a PDA is ≥5 mm in length. * Subject's weight is between 600-2500 grams at time of enrollment. Exclusion Criteria: * Subject has pre-existing coarctation of the aorta. * Subject has pre-existing left pulmonary artery stenosis. * Subject has an Intracardiac thrombus that may interfere with the implant procedure * Subject has other known hemodynamically significant congenital heart disease conditions at time of enrollment requiring intervention * Subject has an active systemic infection at the time of enrollment.