ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,230, issued on June 17, was assigned to SHANGHAI UNITED IMAGING HEALTHCARE Co. LTD. (Shanghai).

"Multi-leaf collimator and driving system" was invented by Jian Zhang (Shanghai), Xiaolong Liu (Shanghai), Xiao Fang (Shanghai), Hui Zhou (Shanghai), Hui Yin (Shanghai), Xu Chao (Shanghai) and Jian Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a collimator. The collimator may include a motor, a transmission unit having a first end and a second end, and a leaf unit having a leaf. The first end of the transmission unit may be connected to the motor and the second end of the transmission unit may be connected ...