Medical apparatus and instruments for use in urology, gynecology, anesthesia, endovascular, cardiovascular, respiratory, endoscopic, orthopedic, thoracic, plastic, or general surgery, medical and surgical treatment, and medical and surgical care; heart-lung machines for medical and surgical use; cardiopulmonary bypass circuits; membrane oxygenators; extracorporeal membrane type oxygenators; centrifugal pump systems for medical purposes consisting of centrifugal pumps, motors, temperature regulators, cardiopulmonary bypass circuits, sensors, monitors, and membrane oxygenators; heating and cooling units for medical purposes, namely, medical apparatus comprised of patient body temperature management products being warming and cooling apparatus for stabilizing and controlling patient body temperature, comprised primarily of patient and cardioplegia temperature monitors and controls and forced water warming and cooling systems consisting primarily of a thermal unit, compressor system and controls therefor, all sold as an integrated unit; anesthesia machines for use in patient care; breathing circuits for anesthesia systems; tracheostomy tubes; electric scalpels for surgical purposes; electrosurgical units and electrodes, namely, electro-surgical generators being part of surgical and medical apparatus and instruments for use in general surgery; electric low pressure aspirators for medical purposes; suction bottles for medical purposes; drainage bags for medical purposes; drainage tubes for medical purposes; forceps; dressing forceps; surgical scissors; needle holders specially adapted for holding needles for medical purposes; suture apparatus for medical purposes; surgical raspatories; heat exchangers for extracorporeal circulation for medical use; reservoirs for extracorporeal circulation, namely, containers for temporarily storing blood which is removed from a patient during an extracorporeal circulation surgical procedure; blood reservoirs for extracorporeal circulation, namely, containers for temporarily storing blood which is removed from a patient during an extracorporeal circulation surgical procedure; cannulas for extracorporeal circulation; medical ventilators