Patent ID: 6045562
Filing Date: 2000-04-04
Classification: A61F

Abstract:
A cornea surgical operation apparatus for incising a cornea of a patient's eye into a layer, the apparatus comprising:a suction ring part having a circular opening with a center, the suction ring part adapted to be fixed to a peripheral part of the cornea through a vacuum created by suction;a base part including a cornea press means for pressing the cornea nearly flat within the opening, a blade for cutting the cornea, and a movement unit for moving the blade from a setting position to an initial cutting position and for moving the blade linearly so that it passes through the center of the suction ring part's circular opening; anda base rotating mechanism configured to rotate the base part so that the blade is adapted to incise at least an epithelium of the cornea and a Bowman membrane in a circumferential edge of the opening, the base rotating mechanism including stoppers for limiting the rotation of the base part, the base rotating mechanism holding the base part on the suction ring part so that the base part is rotatable with respect to the suction ring part.