Patent foramen ovale and atrial septal defect closure is a routine procedure to close holes in the upper chambers of the heart. A robotic-assisted patent foramen ovale repair is a type of surgery to fix this hole in the heart.Normally, a wall separates the right and left atria. A PFO is closed using during a procedure called cardiac catheterisation. In: European Heart Journal - Case Reports. Stefan Buchholz, Postgraduate Medical Journal, 2012.