ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,347, issued on Nov. 11, was assigned to THE FIFTH AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIVERSITY (Guangzhuo, China).

"Series of instruments for exposure of lesions posterior to talus dome" was invented by Yulin Lin (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of medical instruments, in particular to a series of instruments for exposure of lesions posterior to talus dome, including: a lesion exposure spreader configured to spread an ankle joint, a retractor configured to laterally retract tissue, and a talus lesion bone extractor configured for lesion debridement and bone ...