ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,954, issued on Dec. 9, was assigned to SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co. LTD. (Shenzhen, China).

"Three-dimensional ultrasonic imaging method and system" was invented by Yaoxian Zou (Shenzhen, China), Muqing Lin (Shenzhen, China), Zhijie Chen (Shenzhen, China), Yi Xiong (Shenzhen, China) and Bin Yao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional ultrasonic imaging method includes transmitting an ultrasonic wave to a fetal head; receiving an ultrasonic echo, obtaining an ultrasonic echo signal, and obtaining the three-dimensional volume data of the fetal head according to the ultrasonic echo signal; acco...