Patent Foramen Ovale Closure With the AMPLATZER PFO OCCLUDER in Patients With Recurrent Cryptogenic Stroke Due to Presumed Paradoxical Embolism Through a Patent Foramen Ovale Who Have Failed Conventional Drug Therapy

The primary objective of the PFO Access Registry is to allow access to the AMPLATZER PFO Occluder in subjects with a PFO who have already experienced at least two cryptogenic strokes due to presumed paradoxical embolism through a patent foramen ovale and who have failed conventional drug therapy.