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:
Nov. 01, 1988
Filed:
Aug. 19, 1986
Applicant:
Inventor:
Robert S Herrick, Rosemead, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128305 ; 623-4 ; 623-5 ;
Abstract
A method and implant for refractive keratoplasty or improved radial keratotomy. The improved radial keratotomy comprising making a plurality of radial corneal incisions in accordance with prior practices to correct the detected impaired vision. A piece of donor corneal tissue having a preselected geometric configuration and dimensions is inserted into keratotomy incisions and fixed in position by suturing. The corneal tissue implant may be rectangular or triangular in shape. When the implant is triangular in shape, it is inserted either base down or base up in accordance with the type of vision problem to be corrected.