Created by a founder of Elon Musk’s Neuralink, Precision has developed a device with some 1.000 electrodes in a one square centimeter flexilbe film. the trial could open the way to a computer-brain interface.

Clearance of the new system settles a controversy that began last year when Owl sold a similar pulse oximetry device over the counter, but was ordered to pull it from sale and seek regulatory approval as a medical device.