Patent ID: 6258110
Filing Date: 2001-07-10
Classification: A61B,A61F

Abstract:
For retaining, positioning and at least partially exposing during a surgical procedure, a cornea of an eye that is disposed in a latitudinally narrowed ocular access, a positioning assembly comprising:a) a positioning segment, said positioning segment including a retention plate;b) said retention plate including an aperture defined therein and structured to receive and expose the cornea of the eye therein;c) said positioning segment further including a flange member disposed about said aperture and structured to engage the eye;d) said flange member being disposed a closely spaced apart distance from said aperture at least at a latitudinal radius thereof;e) a pivot assembly comprising at least a post member structured to generally define a pivot axis for movement of a cutting head assembly across said aperture;f) a coupling member pivotally interconnecting said pivot assembly and the cutting head assembly;g) said pivot assembly further comprising a cut origination control structured to define an origination point for operative pivotal movement of said coupling member, and accordingly the cutting head assembly; andh) said cut origination control comprising a slot defined in said post member, and said coupling member including a restrictor element structured to restrict operative engagement of said coupling member with said post member unless correspondingly disposed in said slot.