During PFO closure, your doctor will use a small, thin tube called a catheter to implant a closure device that plugs your PFO. Most people with a patent foramen ovale don't need treatment.Patent foramen ovale (PFO) is a hole between your heart's upper chambers. However, it may cause serious complications under certain circumstances. Patent foramen transcatheter repair is a procedure to fix this hole in the heart. Normally, the atrial septum separates the right and left atria. A patent foramen ovale is a small, flaplike opening in the wall between the upper chambers of the heart. These forms will be useful when filing required documents related to estates of deceased or incapacitated persons.