Open Procedure Above Threshold, In Electronic Mode, Pursuant To Art. 71 Of Legislative Decree 36/2023, Divided Into 7 Lots, For The Three-Year Supply, On Conservation Account, Of Cochlear Implants, With The Right Of Renewal For One Year, With The Lowest Price Criteria Pursuant To Art. 108 Co. 3 Of Legislative Decree 36/2023, For The U.O.C. Of Ent Of The Paolo Giaccone University Hospital Of Palermo