ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,801, issued on March 11, was assigned to ACCU TARGET MEDIPHARMA (SHANGHAI) Co. LTD. (Shanghai, Japan).
"Adjustable cryoablation needle" was invented by Chi Yang (Shanghai), Binkai Xu (Shanghai), Yinlong Wu (Shanghai) and Zhaohua Chang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an adjustable cryoablation needle, comprising a needle rod (3), a front-segment heat-insulated tube (1), a rear-segment heat-insulated tube (2), and an gas inlet structure (7) penetrating the needle rod (3) and the front-segment heat-insulated tube (1), wherein the needle rod (3) can move relative to the rear-segment heat-insulated tube (2) in the a...