Intraocular lens injector and method
View Patent ↗An injector and method for injecting a dual optic AIOL into an eye wherein the AIOL is loaded into the injector in an initially loaded condition with the first and second optics in generally coaxial alignment. A lens moving element is provided and operable to move the first optic toward the proximal end of the main body whereupon the first optic becomes located proximally of the second optic. A stop may be provided to prevent the second optic from moving proximally with the first optic. Displacing the optics to a non-coaxial position reduces the cross-sectional area of the AIOL which allows the AIOL to non-destructively compress to the size of the opening of the injector tip which may be as small as about 2.8 mm or less, for example.
1. An injector for injecting an intraocular lens having first and second optics into an eye, said injector comprising:
a) an injector main body portion having a lumen extending between a proximal end and a distal end, and including a lens mounting surface adapted for placement of the intraocular lens thereon in an initially loaded condition, an opening at the distal end of the lumen, and a ramp;
wherein said ramp is located further from the opening than said lens mounting surface; and
an injector tip having an opening for delivering the intraocular lens into the eye;
the injector tip being moveable relative to the injector main body, and the injector tip having a lumen extending between an injector tip proximal end and an injector tip distal end, said injector tip proximal end adapted to be connected to the distal end of said injector main body portion;
said injector tip comprising a lens moving element operable to move said first optic along said ramp toward said injector body proximal end when the injector tip proximal end is connected to the distal end of said injector main body portion.
2. The injector of claim 1 wherein said lens moving element is positioned within said injector tip lumen.
3. The injector of claim 2 wherein said lens moving element comprises a projection positioned to move said first optic along said ramp toward said injector body proximal end as said injector tip is connected to said injector main body portion.
4. The injector of claim 3 wherein said ramp includes first and second spaced ramp segments, said lens moving element adapted to extend between said first and second ramp segments.
5. The injector of claim 1 and further comprising a stop positioned opposite said ramp, said stop operable to block said second optic from advancing toward said main body portion proximal end as said first optic is moved by said lens moving element.
6. The injector of claim 5 and further comprising a cover configured to be placed over said lens mounting surface, said stop located on said cover.