The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1987
Filed:
Feb. 14, 1985
Applicant:
Inventors:
Casimir Swinger, New York, NY (US);
Daniel Cassiday, Jersey City, NJ (US);
Assignee:
Techno Opthalmics International, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128305 ;
Abstract
Apparatus for altering the refraction of corneal tissue including a perforated die to deform the corneal tissue in a predetermined manner so that a cut in a transverse plane achieves the desired alteration. The corneal tissue is held firmly to the die both by suction and mechanical pressure. The method of so treating corneal tissue by deforming it to obtain a desired refraction with a planar cut including a method of holding the tissue in the deformed state by means of suction and mechanical pressure.