Patient interface device for ophthalmic surgical laser system

摘要: A single-piece patient interface device (PI) for coupling an patient's eye to ophthalmic surgical laser system, which includes a rigid shell, flexible suction ring joined lower edge of the applanation lens, and annular diaphragm joins lens shell near shell. The allows move relative including shift in longitudinal lateral directions tilt. In operation, surgeon first secures PI by hand, then couples system lowering delivery head into During process, presses down applanate cornea eye.