ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,131, issued on Jan. 13.
"Bone cutting guide system for femoral head transplantation" was invented by Amir A Jamali (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bone cutting guide for preparing a femoral head allograft for transplantation. The guide includes a base and a head holder disposed atop the base and having a hemispherical body with a hemispherical interior cavity for containing a femoral head. The head holder includes fenestrations through which to view a femoral head disposed within the head holder. Coupling elements disposed about its upper rim enable it to be coupled to a dome-shaped top having similar coupling eleme...