The objective of the study is to investigate the safety, efficacy and clinical utility of the Occlutech PDA device for closure of patent ductus arteriosus of all types.

Inclusion Criteria:

1. Patients with a demonstrated patent ductus arteriosus
2. Female or male
3. Belonging to any ethnic group
4. Age between > 6 months and 70 years
5. Body weight > 6 kg < 120 kg

Exclusion Criteria:

1. Associated congenital cardiac anomalies,
2. Body weight < 6 Kilograms

General exclusion criteria

• presence of a known coagulation disorder
• thrombus at the position allocated for the implantation
• a vein thrombosis in the blood vessels chosen for the introducing system
• an active infection
• Nitinol intolerance (nickel or titanium)
• contrast medium intolerance
• patients who have a vascular system which is too small to admit the required sheath
• patients with pulmonary hypertension and pulmonary-vascular resistance of >8 Woods Units or a lung - / systemic resistance (PR/SR) of >0.4.