Medical and surgical apparatus and instruments for use in general surgery and structural parts therefor; medical and surgical devices, namely, artificial hearts, ventricular assist devices, heart support devices, pacemakers, implantable defibrillators and cardioverters, extracorporeal circulation devices; artificial limbs and organs in the nature of heart, lungs, vessels, liver and structural parts therefor; accessories for artificial hearts, ventricular assist devices, heart support devices,...