smooth blunt tip, front opening, 26-gauge ?McIntyre-Binkhorst Irrigating Cannula is a useful tool in cataract procedures. The curved tip of the cannula is used for loosing the peripheral cortex of the lens during difficult extraction. The cannula features a smaller gauge for easier access and a shorter working length for more control. Both right and left curvatures of the cannula are also available depending on surgical preference.