Medical instruments and apparatus, namely, medical guide wires, PTCA (Percutaneous Transluminal Coronary Angioplasty) guide wires, IVR (Interventional Radiology) guide wires, spring guide wires, and plastic clad guide wires; catheters; medical catheters; guiding catheters; guide catheters; PTCA guiding catheters; PTCA balloon catheters; angiographic catheters; micro catheters; occlusion catheters; ablation catheters; atherectomy catheters