This Handbook provides an overview of federal patent and trademark law. Information discussed includes types of patents and trademarks, duration of registration, requirements for obtaining, a guide to the application process, protecting your patent or trademark, and much more in 18 pages of materials.
Patent foramen ovale closure is a procedure to close a hole in the heart. We use minimally invasive approaches to treat PFO without open-chest surgery.Percutaneous closure of a patent foramen ovale (PFO) reduces the risk of recurrent cryptogenic stroke specifically in younger patients. The foramen ovale is a hole in the wall between the left and right atria of every human fetus. This hole allows blood to bypass the fetal lungs. In this heart surgery, the surgeon uses stitches to close the PFO . The foramen ovale usually closes 6 months to a year after the baby's birth. Why the flap doesn't seal in some people is unknown. Who Gets a Patent Foramen Ovale? Patent foramen transcatheter repair is a procedure to fix this hole in the heart.