US Patent Issued to Zimmer on March 18 for "Prosthetic knee implant systems and methods with linked tibial rotation" (Indiana Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,314, issued on March 18, was assigned to Zimmer Inc. (Warsaw, Ind.).

"Prosthetic knee implant systems and methods with linked tibial rotation" was invented by Brian D. Earl (South Bend, Ind.) and Alexander P. Wolfe (Fort Wayne, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tibial spacer paddle comprises a spacer block comprising opposing bearing surfaces, an alignment slot extending into the spacer block; and a handle extending from the spacer block. The spacer block can include feet for passively engaging the femur or pegs for actively engaging a femoral component so that the spacer block is linked to the femur while the tibia rotates. A t...