ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,331, issued on June 30, was assigned to COMPREMIUM AG (Bern, Switzerland).

"Method and device for determining intracranial pressure of a patient" was invented by Ulrich Baumann (Munsingen, Switzerland), Vincent Boris Baumann (Gumligen, Switzerland), Peter Nuot Frei (Dulliken, Switzerland) and Patrick Roth (Burgdorf, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining intracranial pressure of a patient includes ultrasound imaging of a central retinal vein supplying a retina of an eye of the patient, for generating ultrasound images, exerting a varying external pressure on the eye, identifying a collapse and/or an occlu...