(August 11, 2016, 11:03 AM EDT) -- NEW ORLEANS — A Louisiana federal judge on Aug. 9 told three drug pump patients to file amended complaints to try to show that their claims are not preempted by federal law (Erika Chiasson, et al. v. Medtronic Inc., et al., Nos. 16-789, 16-3552 and 16-3721, E.D. La.; 2016 U.S. Dist. LEXIS 104716)....