Medical devices, namely, heart valve prostheses, annuloplasty rings and sizers and holders therefore; [ anastomosis connectors; ] cardiac pacing systems comprised of pulse generators and external programmers therefore, and implantable cardioverter/defibrillators and external programmers therefore; cardiac stimulation leads for use with cardiac pacing systems, pulse generators and implantable cardioverter/defibrillators; external diagnostic apparatus, therapeutic apparatus, electrode apparatus and accessories for use with cardiac pacing systems, pulse generators and implantable cardioverter/defibrillators; steerable stylets, introducers and accessories used to implant cardiac stimulation leads; catheters; catheter sheaths; introducers; guidewires; dilators; repositioning sleeves; obturators; needles for medical use; pericardial patches; bioprosthetic repair products, namely, annuloplasty rings and bands; vascular hemostatic closure devices for closing wounds; valved synthetic vascular conduits; valved synthetic vascular grafts; non-valved synthetic vascular conduits; non-valved synthetic vascular grafts