Medical catheters; medical stents; medical guide wires; gel coatings sold as a component for medical catheters, medical stents and medical guide wires for reducing blood coagulation; guide wire tips and shapers; guide wire introducers and extensions; motor drive units to power medical catheters; hemostatic side-arm adapters; hemostatic valves; medical injecting device for injecting radio opaque contrasting agents for x-ray purposes; pressure indicators and regulators; flushing tools and hand operated balloon inflating and deflating devices for use in coronary procedures