St. Jude Medical announced it has received European CE Mark approval of its Eon™ family of neurostimulators for treating patients with intractable chronic migraine. According to the press release: “Intractable chronic migraine is one of the most difficult-to-treat headache disorders,” said Professor Gennaro Bussone, M.D., head of the Neurological Department at Istituto Besta in Milan





