US Patent Issued on Sept. 8 for "System and method for continuously recording intracranial b waves using doppler ultrasound to track and enhance the sleep surge in glymphatic flow to prevent cognitive decline and alzheimer's disease" (Washington Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,292, issued on Sept. 8.

"System and method for continuously recording intracranial b waves using doppler ultrasound to track and enhance the sleep surge in glymphatic flow to prevent cognitive decline and alzheimer's disease" was invented by David W. Newell (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for improving cerebrospinal fluid clearance through a glymphatic system, while a patient is sleeping, resting, or a combination thereof, the method comprising measuring ultrasound data with one or more ultrasound emitters and extracting B-wave oscillations from the ultrasound data."

The patent was filed on Feb. 24, 2026, under Appl...