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.

Date of Patent:
Oct. 30, 1990

Filed:

Apr. 27, 1989
Applicant:
Inventors:

M Bruce Shields, Durham, NC (US);

Phillip J Erickson, Bellevue, WA (US);

Assignees:

Ocular Instruments, Inc., Seattle, WA (US);

Duke University, Durham, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; G02C / ;
U.S. Cl.
CPC ...
351219 ; 3511 / ;
Abstract

A contact lens for use in connection with transscleral cyclophotocoagulation. The lens has a planar entry surface and a frustoconically-shaped exit surface that contacts the sclera surrounding the cornea. The central portion of the lens is opaque to prevent stray laser light from entering the optical portion of the eye during laser application.


Find Patent Forward Citations

Shields, M. (1990). Contact lens for laser surgery (U.S. Patent No. 4966452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4966452

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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