ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,211, issued on Feb. 24, was assigned to RIBS INC. (Tokyo).
"Stent graft having fenestration part" was invented by Takao Ohki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "[Problem to be solved] To provide a stent graft wherein interference between a stent row and a branch stent graft has been suppressed. [Solution] This stent graft comprises a stent including a plurality of stent rows and a graft that makes contact with the stent, the stent graft having, in a section of the graft, a fenestration part facilitating the insertion of a branch stent graft, which is another stent graft."
The patent was filed on Nov. 11, 2019, under Application No...