Patent Number: 7,785,285

Title: Lacrimal punctum plug

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.

Inventors: Kurihashi; Katsuaki (Hamamatsu, JP)

Assignee: MLC Limited Company

International Classification: A61M 5/00 (20060101); A61B 17/00 (20060101); A61M 35/00 (20060101)

Expiration Date: 8/31/12018