Patent ID: 7393349
Filing Date: 2008-07-01
Classification: A61B,A61F

Abstract:
1. An ophthalmic laser treatment apparatus comprising: a main unit in which an illumination and observation optical system for illuminating a patient's eye and allowing observation of the patient's eye under illumination, and an irradiation optical system for irradiating a treatment laser beam and an aiming beam to the patient's eye; a joystick including a grip to be grasped by an operator, the joystick being configured to move the main unit with respect to the patient's eye; a first switch provided at a top of the joystick and used to input a trigger signal for irradiation of the treatment beam; a second switch placed in an opening formed in one of an upper side and a lower side of the joystick relative to the grip so that the second switch can be operated with fingers of the operator who grasps the grip and a top of the second switch does not protrude from an outer periphery of the joystick, the second switch being a switch for inputting a plurality of switch signals, configured to input a first switch signal when pushed toward a center axis of the joystick and input a second switch signal and a third switch signal when tilted or rotated in one of a rightward and leftward direction and an upward and downward direction; and changing means for changing functions of the switch signals to be inputted by the second switch.