Conducting An Open Tender Above The Limits For The Procurement Of "Heart Valves" (Cpv: 33182220-7), Against A Total Budgeted Expenditure Of €1,385,209.00 Excluding Vat. 13% And 24% (€1,572,010.47 With Vat), For One (1) Year, With The Right To Extend For One (1) Additional Year, With A Corresponding Increase In The Natural &Amp; Financial Object, By Unilateral Decision Of The Board Of Directors.