Patent ID: 6344046
Filing Date: 2002-02-05
Classification: A61F

Abstract:
A corneal surgical apparatus for incising a cornea of a patient's eye in a layered form, comprising:a suction ring unit, having a circular opening, that is to be vacuum-fixed onto a peripheral part of the cornea; a rotatable shaft; an eccentric pin projecting from a distal end of the shaft, the eccentric pin being located at a position offset from a rotational central first axis of the shaft; and a cutting unit movable in an incising direction relative to the suction ring unit, the cutting unit including: cornea applanating means that applanates the cornea within the opening into a substantially flat form; a blade that incises the cornea; a rock transmitting member having a part with which the eccentric pin is engaged and a shaft part rockable about a second axis, the shaft part having at least one of a recess and a protrusion; and a holder that holds the rock transmitting member to be rockable in a lateral direction which is perpendicular to the rotational central first axis of the shaft, the holder having a bearing part rockably supporting the shaft part of the rock transmitting member, the bearing part having a part with which the shaft part is engaged, wherein movement of the rock transmitting member in the lateral direction causes the blade to be moved in the same direction.