Mastel Precision Surgical Instruments, Inc. products

The Chang Hydodissection Cannula is a 27 gauge and features a flattened 90° tip. Angulation of tip extends 1mm from main cannula, similar to a Sinsky hook. Design allows the surgeon to hydrodissect, hydrodelineate and easily mobilize the nucleus. Designed with David Chang, MD, Los Altos, California, USA.