Surgery – Instruments – Corneal cutter or guide for corneal cutter
Patent
1993-06-28
1995-06-13
Aschenbrenner, Peter A.
Surgery
Instruments
Corneal cutter or guide for corneal cutter
128898, 606167, A61B 1732
Patent
active
054238404
ABSTRACT:
A keratorefractive surgical blade has opposing sides and first and second edges which intersect each other to form a point. The first edge is shaped to form a sharp cutting edge extending from the point a predetermined distance shorter than the distance from the base of a surgical incision to Bowman's membrane, a portion of the first edge adjacent to the sharp cutting edge being dull relative to the cutting edge.
A method of performing keratorefractive surgery, includes the steps of:
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Herbert, Stan, "The Diamond Knife Rather More Than Meets the Eye," Industrial Diamond review May, 1984.
Codman/Micra, "Titanium Instruments and Diamond Knives for Opthalmology," Jan. 1985, Printed in USA, Dist. by Codman Randolph Mass. pp. 1-6.
Waring, "Repeated Surgery for Residual Myopia and Hyperopia After Refractive Corneal Surgery" In: Waring G. O. ed. "Refractive Keratotomy for Myopia and Astigmatism," St. Louis Mo.; Musby Yearbook Inc., 1991 pp. 641-668.
Bores, "Historical Reiew and Clinical Results of Radial Keratotomy in Binder P. S. ed." International Ophthalmology Clinics Refractive Corneal Surgery: The Correction of Aphahia, Hyperopia and Myopia, Boston, Mass.: Little, Brown and Co., 1983; 23: 93-118.
Casebeer J. Charles
Rae Carol A.
Aschenbrenner Peter A.
Chiron Vision Corporation
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