Multi-function surgical instrument for facilitating ophthalmic laser surgery

摘要

The multi-function surgical instrument for facilitating corneal surgery by laser includes lower and upper rings. Lower ring includes a wall structure about a central aperture. Wall of the lower ring isolates a cornea disposed within the central aperture. Drainage system of the lower ring is used to control hydration of corneal tissue disposed in the central aperture. Platform of the lower ring isolates and prevents excessive hydration of a corneal flap reposed thereon. Upper ring includes a plurality of passages having directed ports and may be used to evacuate plume, direct beneficial fluids or gases onto tissues below.