Medline Industries Blister Piston Irrigation Syringe Feed Tray 60cc, Sterile, Latex-free. Contro-piston Syringe offers uninterrupted action in a single-hand technique. The sterile, disposable syringe with thumb ring is designed to minimize hand slippage and prevent contamination. The barrel features raised, large and easy-to-read graduations that are calibrated in oz. and cc. The tip, elongated to facilitate tube feeding, has an extra-large orifice for better removal of clots and mucous shreds.