ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,804, issued on April 8, was assigned to SENKO MEDICAL INSTRUMENT MFG. Co. LTD. (Tokyo).
"Blood circulation system" was invented by Yoshinari Niimi (Tokyo) and Masahiro Kamiya (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blood circulation system that can be connected to a human body is provided. The system may include a roller pump, a blood removal line through which blood removed from the human body flows to the roller pump, a blood transfer line that transfers blood, which is sent from the roller pump, to the human body, means for measuring a blood removal rate provided in the blood removal line to measure a blood removal rate parameter ...