Patent ID: 8801737
Filing Date: 2014-08-12
Classification: A61B,A61F

Abstract:
1. A phacoemulsification needle for use with a phacoemulsification handpiece, said needle comprising: an elongate needle body having an outer surface, a cross-sectional shape, a proximal end and a distal end, said needle body having a central needle axis extending along its length; said needle body including only a single passageway extending through said needle body, said passageway having a uniform cross-sectional size and shape and a central axis extending along its length; a needle tip formed at said distal end, said tip having a cross-sectional shape, an exterior surface and an inner surface, said tip having a central longitudinal axis; said tip axis and said passageway axis being offset and parallel such that said tip axis and said passageway axis do not coincide; said exterior surface and said inner surface terminating at a lip; said tip having a flaring shape that flares laterally outward in the direction toward said lip and terminating at said lip; said tip having a mouth defined by said lip; said tip cross-sectional shape being larger than said needle body cross-sectional shape; and said tip cross-sectional shape being rectangular.