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. 20, 1994
Filed:
Jun. 29, 1993
Applicant:
Inventors:
Paolo Arpa, Milan, IT;
Gholam A Peyman, New Orleans, LA (US);
Stephen A Updegraff, New Orleans, LA (US);
Assignee:
Vitrophage, Inc., Lyons, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606107 ; 128 20 ; 606191 ;
Abstract
A pupillary dilation and protection device is disclosed comprising an elastomeric ring made from biocompatible material having a groove formed therein for receiving and protecting the pupillary rim and iris, whereby, when the ring is inserted into the pupil of an eye of a patient, it mechanically dilates the pupil.