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:
Dec. 27, 1994
Filed:
Oct. 20, 1993
Applicant:
Inventors:
William Ellis, Lafayette, CA (US);
Kerry K Assil, St. Louis, MO (US);
William R Knepshield, Malvern, PA (US);
Kristen S Fay, Glen Mills, PA (US);
Assignee:
KMI, Inc., West Chester, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606166 ; 606167 ; 606172 ;
Abstract
Surgical blades, knives and keratotomy procedures are provided which are capable of severing deep corneal tissue in the optical zone without penetrating the surface of this zone and causing optical glare. The blades of this invention include at least one cutting edge thereon which is shorter than about 0.5 mm and which includes a projecting cutting portion and/or recessed blunt edge to permit primary or secondary incisions beneath the surface of the optical zone.