Preliminary analysis of the clinical safety of cochlear implants in non-implanted humans under magnetic resonance-specific conditions

In non-implanted volunteers with the CS-30A externally affixed at the anatomical site, MRI at both 1.5 and 3.0 T produced no reports of pain, electrical-like sensations, or thermal burns. Pre- and post-scan position assessments confirmed the absence of displacement, and comprehensive functional and magnet performance testing demonstrated stable operation throughout. These device-specific findings, obtained under the tested MRI parameters, provide preliminary but important evidence supporting the compatibility of the CS-30A with MRI.