ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,246, issued on Oct. 20, was assigned to TERUMO K.K. (Tokyo).
"Drug administration device with annular valve having slit shape opening" was invented by Kentaro Nakajima (Nakakoma-gun, Japan), Ryoji Kobayashi (Hadano, Japan) and Takehiko Ueda (Kofu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid medicine administration device includes: a needle unit configured to be inserted into and placed on a living body; a liquid medicine supply device provided separately from the needle unit and configured to deliver a liquid medicine filled inside from a distal portion; a tube configured to allow the liquid medicine to flow, the tube having a dist...