Your doctor removes the catheter, and the procedure is complete. Most people with a patent foramen ovale don't need treatment.A robotic-assisted patent foramen ovale repair is a type of minimally invasive surgery. Minimally invasive means that the surgery uses smaller cuts (incisions) You can do light activities around your home. But don't do anything strenuous until your doctor says it is okay. Patent foramen ovale (PFO) is a hole between your heart's upper chambers. The presence of a patent foramen ovale (PFO) is implicated in the pathogenesis of a number of medical conditions. The PFO closure device is threaded through the catheter to the specific location of the heart wall defect. Care guide for Patent Foramen Ovale.