Procedure and device for corrective and therapeutic eye treatmen

Details Procedure and device for corrective and therapeutic eye treatmen Procedure and device for corrective and therapeutic eye treatmen

1996-09-13

1998-11-10

Shay, David M.

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606167, 604 20, 604 22, A61F 214

Patent

active

058337016

ABSTRACT:
A device and method for the selective removal of corneal tissue, and change of curvature thereof, for refractive vision correction, and for removal of corneal tissue for therapeutic treatment of the cornea; by means of a deforming template in conjunction with a water jet keratome. The template is adapted to deform the cornea to provide a regular surface which can be transversely cut by the water jet, while the cornea is supported against movement. The water jet can be adjusted to cleanly separate defective epithelium tissue from the Bowman's layer. Use of the water jet keratome provides a cut corneal tissue surface of smoothness and polish, substantially equivalent to that of the original surface, thereby enhancing healing and transplantation effectiveness.

REFERENCES:
patent: 4856513 (1989-08-01), Muller
patent: 5215104 (1993-06-01), Steinert
patent: 5556406 (1996-09-01), Gordon
patent: 5562692 (1996-10-01), Bair

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