An instrument and method for performing a capsulotomy where the instrument is in the form of a tubular probe through which irrigation fluid may be passed, the end of the probe carrying a thin blade pivotable about an axis transverse to the axis of the tubular probe, the blade being disposed eccentrically...http://www.google.de/patents/US5342377?utm_source=gb-gplus-sharePatent US5342377 - Rotating blade capsulotomy instrument and method of performing a capsulotomy
