A capsulectomy apparatus which comprises a console, a handpiece and a needle. The handpiece operates from a vibrating transducer which drives a rod within the sleeve of the needle for actively engageing the anterior lens capsule which is to be severed. The head of the needle which engages and cuts the...http://www.google.com/patents/US4911161?utm_source=gb-gplus-sharePatent US4911161 - Capsulectomy cutting apparatus