Medical apparatus and instruments; surgical apparatus and instruments; medical devices for heart valve repair or replacement; medical devices, namely cardiovascular prostheses; artificial heart valves, stents, annuloplasty rings, vascular grafts; cardiovascular delivery devices, namely, sheaths, catheters, guidewires, sleeves, conduits, loading devices and accessories; medical devices involved in the field of cardiac surgery solutions, namely, aortic devices, namely, sutureless valve for aortic valve replacement, mechanical heart valve prostheses, mechanical prosthesis for aortic root replacement, supra-annular aortic valve; mitral devices, namely, rigid annuloplasty rings; cannulae for minimally invasive cardiac surgery; aortic valve comprised of artificial materials for implantation; aortic clamps; mechanical heart valves comprised of artificial materials for implantation; mitral valves comprised of artificial materials for implantation; mitral rings and bands comprised of artificial materials for degenerative mitral valve regurgitation and myxomatous degeneration; minibands comprised of artificial materials for degenerative and functional mitral regurgitation and for tricuspid regurgitation; tricuspid bands comprised of artificial materials for tricuspid valve regurgitation; mitral and tricuspidal atrial blades retractors; vascular prostheses; vascular repairing parts, namely, aortic bioprosthesis heart valves, aortic pericardial heart valves.