A system for removing the lens from an eye of a mammal, including a lens-removal device having a probe for penetrating the lens capsule. The probe includes a sheath that shields a rotating impeller at all times, with the impeller being pneumatically actuated to advance to a lens removal position within...http://www.google.com/patents/US6506176?utm_source=gb-gplus-sharePatent US6506176 - Methods, apparatus and system for removal of lenses from mammalian eyes
