Medical and surgical apparatus consisting of blood filters and blood filter holders; medical and surgical apparatus consisting of blood oxygenators, blood reservoirs, blood filters, blood filter holders, probes, heat exchangers, connectors, and parts and fittings for the aforesaid goods; medical and surgical apparatus consisting of blood oxygenators, blood reservoirs, heat exchangers, tubes, tubing packs, connectors, and parts and fittings for all the aforesaid goods; medical and surgical apparatus consisting of blood oxygenators, heat exchangers, and blood reservoirs; medical and surgical apparatus, namely, blood oxygenators; medical apparatus and instruments for cardiopulmonary circulation; medical apparatus for the treatment of respiratory conditions; oxygenators, medical tubing for blood perfusion, and trolleys for medical equipment, all for medical use; surgical and medical apparatus, namely, blood oxygenator and cardiotomy venous reservoir; surgical cannula; cannula kit comprising cannula, introducer, connector, plug, cap, hemostasis seal, suture ring, tip ring, guidewire, introducer needle and sheath for cannulation of a patient for mechanical circulatory support