ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,457, issued on July 8.

"Ureteral stent assembly and stent pusher thereof" was invented by Chen-Hsun Ho (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ureteral stent assembly includes a ureteral stent, a bladder portion, and a stent pusher. The bladder portion is connected to the ureteral end of the ureteral stent with a tether. The stent pusher includes a bladder portion pusher. When the ureteral stent and the bladder portion are pushed into a predetermined position of the human body along a guidewire by the stent pusher, the guidewire passes through the ureteral stent, the bladder portion and the stent pusher, and the front end of ...