MEDICAL DEVICES AND INSTRUMENTS, NAMELY, MEDICAL CATHETERS, MEDICAL STENT SYSTEMS, SURGICAL STAPLERS AND SCISSORS, CHEST RETRACTORS, DISSECTORS, MANIPULATORS, STABILIZERS, ANASTOMOSIS DEVICES, INTRODUCERS, SYNTHETIC VASCULAR GRAFTS; MEDICAL ATTACHMENT SYSTEM COMPRISING MEDICAL STENTS, EXPANDABLE FRAMES AND POINTED PROJECTIONS FOR USE IN IMPLANTING VASCULAR GRAFTS; MEDICAL DEVICES, NAMELY, CANNULAE, PORTS, DISSECTORS, ENDOSCOPES, RETRACTORS, FORCEPS AND PARTS AND ATTACHMENTS THEREFOR SOLD AS A UNIT AND SEPARATELY FOR USE IN CONNECTION WITH THE HARVESTING OF SAPHENOUS VEINS IN THE HUMAN BODY; DISPOSABLE INFLATION DEVICES; PROSTHESES; MEDICAL APPARATUS, NAMELY, BLOOD VESSEL OCCLUDERS AND ACCESSORIES THEREFOR; HEART STABILIZERS; CARDIAC SHUNTS; AND BLOOD FLOW RATE MONITORS