Koch Stop & Chop Manipulator

angled shaft w/ 1.5 mm tip, 4-1/3″ (11.2 cm) Koch Stop & Chop Manipulator is a tool used exclusively for cataract procedures. The manipulator is used to facilitate the stop and chop technique, in which the lens nucleus is initially sculpted and then chopped into smaller pieces for extraction. The angled shaft aids in accessing the lens capsule.