Declaration 30/2025 Supply Of Health Materials For Implants In Patients In Need To Make Transdermal Aortic Valve (Tavi) With Cpv: 33182220-7 (Heart Valves), 33141200-2 (Catheters) And 33111730-7 Hemodynamics-Seniographies And Invasive Cardiology Of The Pgn Alexandroupolis For A Period Of Time