Patent ID: 8864710
Filing Date: 2014-10-21
Classification: A61F

Abstract:
1. A method of performing phacoemulsification, the method comprising the steps of: providing an infusion sleeve with a hollow body having an open end, a port extending through the infusion sleeve and having a first cross-section bounded by a rim, and a slit through the infusion sleeve beginning at and in communication with the port and bounded by first and second edges, the infusion sleeve having a first state with no flow of infusion liquid through the infusion sleeve body to and through the open end; directing infusion liquid into the infusion sleeve hollow body with the open end occluded as an incident of which the infusion sleeve is changed from the first state into a second state wherein a flap is folded out of the infusion sleeve about a fold line to create an additional cross-section, contiguous with the first cross-section, for infusion liquid flowing from the infusion sleeve body, the flap bounded by a segment of the rim , the first slit edge, and the fold line; and directing infusion liquid into the infusion sleeve body without the open end occluded with the infusion sleeve in the first state wherein the flap is not folded out of the infusion sleeve.