PFO catheter repair closes the patent foramen ovale (flap in the atrial septum wall). The surgeons at our adult congenital heart center perform patent foramen ovale closures and actively research innovative techniques to treat the condition.To close the hole, we use a small tube called a catheter. The catheter goes into your blood vessels using a small cut (is a minimally invasive procedure). Patent foramen transcatheter repair is a procedure to fix this hole in the heart. Normally, the atrial septum separates the right and left atria. Use our self-service options on this website to pay your taxes or make a phone or video appointment at your convenience. If you have a PFO and low blood oxygen levels or an unexplained stroke, you may need a procedure to close the hole. PFO device implantation is an outpatient procedure. Patent foramen ovale closure is a procedure to close a hole in the heart.