ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,878, issued on Aug. 5, was assigned to TERUMO K.K. (Tokyo).

"Medical device" was invented by Kosuke Nishio (Irvine, Calif.), Tomonori Hatta (San Jose, Calif.) and Taiga Nakano (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device for cutting an object in a body lumen includes: a tubular drive shaft; a cutting unit fixed to a distal portion of the drive shaft; a protective tubular main body accommodated in the drive shaft and the cutting unit and rotatable relative to the drive shaft; and a protective-side stopper disposed on an outer peripheral surface of a distal portion of the protective tubular main body. The distal porti...