(July 12, 2017, 10:52 AM EDT) -- ST. LOUIS — An Eighth Circuit U.S. Court of Appeals panel on July 5 affirmed a federal judge in Missouri’s ruling excluding the testimony of a metallurgist who opined that a manufacturing defect in the stem of a hip implant caused it to fracture, holding that the expert did not consider other factors before reaching his conclusion (Judith A. Redd v. DuPuy Orthopedics Inc., No. 16-3428, 8th Cir., 2017 U.S. App. LEXIS 11930)....