Patent ID: 6610076
Filing Date: 2003-08-26
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 structured to define a pivot axis for a cutting head assembly's movement across the aperture; said pivot assembly comprising at least a post member to generally define said pivot axis; f) a coupling member pivotally interconnecting said pivot assembly and said 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 assembly; and h) said cut origination control comprising a slot defined in said post member, 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.