Diamond dusted extrusion cannula

摘要: An aspirating cannula for ophthalmic surgery is provided, having a soft tip with an abrasive coating at its distal end. These features combine the functionality of soft-tip instrument means to remove fluid from eye. The function may be used provide suction, thereby increasing frictional force that can applied by coating, without requiring surgeon apply additional downward pressure on retina. Several methods advantageously using this perform surgical procedures are also disclosed.