Polypectomy snares; surgical cutting instruments; medical instruments and apparatus, including medical guide wires, ptca (percutaneous transluminal coronary angioplasty) guide wires, ivr (interventional radiology) guide wires, spring guide wires, and plastic clad guide wires, angiographic guide wires; catheters including ptca guiding catheters, ptca balloon catheters, angiographic catheters, micro catheters, and occlusion catheters; retrieval baskets for medical purposes; endoscopic brushes; ...