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Anatomical terminology. In some individuals, the foramen fails to close, leading to an interventricular septal defect known as a patent interventricular foramen.
What Is a Patent Foramen Ovale? The foramen ovale (feh-RAY-men oh-VAL-ee) is a normal opening between the upper two chambers (the right atrium and left atrium) of an unborn baby's heart. The foramen ovale usually closes 6 months to a year after the baby's birth.
Patent foramen ovale occurs in about 1 in 4 people. Most people with the condition never know they have it. A patent foramen ovale is often discovered during tests for other health problems.
PFO is common, presenting in about one in four people. But more than 95% of those with the condition will never find out, as most don't suffer PFO symptoms or health issues. Heart specialists don't often need to diagnose or treat PFO in healthy patients.
PFO itself usually does not cause any symptoms. PFO can occasionally result in complications. The most serious of these is stroke. Most people will not need treatment for a PFO.
Patent foramen ovale occurs in about 1 in 4 people. Most people with the condition never know they have it. A patent foramen ovale is often discovered during tests for other health problems.
Definition. Patent foramen ovale (PFO) is a hole between the left and right atria (upper chambers) of the heart. This hole exists in everyone before birth, but most often closes shortly after being born.
U.S. Patent and Trademark Office (USPTO)
Patent applications: the three criteria Novelty. This means that your invention must not have been made public – not even by yourself – before the date of the application. Inventive step. This means that your product or process must be an inventive solution. Industrial applicability.
A very simple example for a patent claim: "A furniture having at least three legs." An easily understandable example of a claim is: "A furniture having at least three legs." This claim covers all the chairs, tables and every furniture that has at least three legs.