Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
James Marlow Christensen0
D. Michael Colvard0
Date of Patent
May 14, 2013
0Patent Application Number
132756850
Date Filed
October 18, 2011
0Patent Primary Examiner
Patent abstract
A ring for dilating a pupil during an ophthalmic procedure includes a series of spaced supports for engaging an iris perimeter. The supports are plate elements which form an open pocket directed outwardly for engaging the iris. The sides of the ring form a primary plane, and the plates are located in respective planes above and below the primary plane. The outer periphery of the top and bottom plates forms a lip feature which is the opening to the pocket which retains the iris.
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