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Conventional mechanical prosthetics. The device can be single or assembled with a Dacron prosthesis (valved Dacron tube). (a) St Jude Medical Regent bileaflet mechanical valve. (b) Valsalva mechanical valved graft (St. Jude Medical, Minneapolis, MN). (c) Carbomedics Aortic Mechanical Valve. (d) Bicarbon Aortic Valve (LivaNova, PLC, London, UK). (e) Carbomedics mechanical valved graft (LivaNova, PLC, London, UK).
