Implantable vagus nerve stimulators (VNS) - follow manufacturer's latest field safety notices

(Cyberonics VNS Therapy) device can have premature battery depletion (models 103 and 104), inaccurate battery life projection (models 103, 104 and 250), loss of therapy (all models) and painful, erratic or atypical stimulation (all models). (MDA/2010/050)