Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuaki Kurihashi0
Date of Patent
August 31, 2010
0Patent Application Number
105248240
Date Filed
May 26, 2004
0Patent Primary Examiner
Patent abstract
A punctal plug inserted into the punctum-canaliculus, includes a shaft, a tip portion attached to one end of said shaft and a brim attached to the other end of said shaft, and a thin member penetrated into either one or all 3 out of said tip portion, shaft and brim, or said tip portion and shaft, or said shaft and brim. The thin member is thread 0.05 mm or less in diameter. The brim is disk shaped and the diameter of the brim is far smaller than the diameter of the tip. A protuberance is attached to the tip portion.
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