ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,103, issued on Aug. 4, was assigned to Capsibo AD (Sofia, Bulgaria).

"Swallowable capsule for obtaining a fluid sample from the GI tract of a subject" was invented by Ivan Aleksandrov Lyutakov (Sofia, Bulgaria), Angel Ventsislavov Petkov (Pazardzhik, Bulgaria) and Simeon Yankov Yanchev (Sofia, Bulgaria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A swallowable capsule for obtaining fluid samples from the gastrointestinal (GI) tract of a subject. The capsule comprises an outer shell having an inlet port that allows a fluid sample to enter into the interior space of the capsule.A piston is arranged in the interior space and can be moved via a pressur...