Patent ID: 9421128
Filing Date: 2016-08-23
CPC Classification: A61B,A61F

Claim Text:
1. A positioning device for use in an eye procedure comprising an incurvate body that comprises a frustoconical ring structure configured to engage at least a portion of the eye posterior to the corneal limbus and beneath which the pars plana is located, the incurvate body comprising: (a) an upper peripheral edge having a first arc length, the upper peripheral edge configured to substantially coincide with the corneal limbus when the device is placed on the eye, (b) a lower peripheral edge having a second arc length that is longer than the first arc length, the lower peripheral edge comprising four indentations of a size effective to receive an infusion cannula, the first and second indentations being about 50° apart, the second and third indentations being about 130° apart, the third and fourth indentations being about 50° apart, and the fourth and first indentations being about 130° apart, (c) a curved lateral portion extending between the upper and lower peripheral edges, and (d) two mounting members disposed on the upper peripheral edge at opposing positions, one of which is about equal distance from the second and third indentations and the other is about equal distance from the fourth and first indentations.