A state appeals panel last month affirmed the dismissal of several counts against Northwestern Memorial Hospital and a doctor that alleged the surgeon implanted an experimental device without the patient’s consent.A Cook County jury in 2016 ruled against Maureen Obermeier in her lawsuit against Northwestern and Patrick McCarthy, a cardiovascular surgeon who used a “Myxo ring” during heart surgery in November 2006.The trial addressed Obermeier’s claims of informed consent, medical battery and medical …