Cardiothoracic surgery devices and instruments, namely catheters, introducers for placement of catheters, guidewires, occluders, probes, drug delivery catheters, percutaneous vascular access ports, syringes, tubing, trocars, pinch tubes, heart valve prostheses and holders for heart valve prostheses, retractors, forceps, graspers, porous balloons, knives, needle drivers, scalpels, staplers, anastomosis sutures, scissors, sutures, electrocautery scalpels, cannulae, blood filters, external valve...