Profile: Disposable Instrument Co. Inc. serves the medical device industry. Our product list comprises of trocars, steinman pins, fixation pins, tunnelers, guide pins, obturators, and handles, points & ends. Our wound drainage trocars are made of stainless steel that meet ASTM F-899 and ISO 7153-1, the controlling specifications for stainless steel medical instruments. Our custom tunnelers are made from a variety of stainless steel material including precipitation hardening alloys.