Mealey's (March 15, 2017, 12:39 PM EDT) -- NEW ORLEANS — Medtronic Inc. on March 9 told the Fifth Circuit U.S. Court of Appeals that a plaintiff failed to exercise due diligence about other possible causes of his injury and that his “newly discovered evidence” would not have changed the outcome of his case (Bryant Lyles v. Medtronic Sofamor Danek USA, Inc., Nos. 16-30517 and 16-31044, 5th Cir.)....