ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,819, issued on March 11, was assigned to Mako Surgical Corp. (Weston, Fla.).

"Method of surgery" was invented by Samuel John Macdessi (Haberfield, Australia), Darren Chen (Woollahra, Australia) and William Griffiths-Jones (Devon, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods of performing knee surgery, which include comparing a lateral distal femoral angle (LDFA) of the knee with a medial proximal tibial angle (MPTA) of the knee and determining a pre-disease alignment of the knee therefrom. Additionally, prognostic and diagnostic methods for use in knee surgery as well as methods of determining an angle of...