Patent ID: 8852091
Filing Date: 2014-10-07
Classification: A61B,A61F

Abstract:
1. A pupil expander system comprising: a support member sized to expand a pupil, the support member having a generally circumferential length and a width; a plurality of iris cups coupled to and spaced about the generally circumferential length of the support member, each iris cup having a recess shaped and sized to receive an inner margin of an iris, the recess located between an inner surface of a first flange and an inner surface of a second flange of each iris cup, the first and second flanges extending generally radially from the support member, and a distance between an outer surface of the first flange and an outer surface of the second flange defining a height of each iris cup; and a delivery and extraction instrument comprising a housing, a plunger longitudinally disposed within a lumen of the housing, an actuator for moving the plunger in a forward and reverse direction, and a cartridge configured to hold the pupil expander, the plunger moving through the cartridge in a forward direction to deliver the pupil expander into the eye, the plunger moving through the cartridge in a reverse direction to extract the pupil expander from the eye.