| 摘要 |
<p>A lacrimal punctum plug inserted into a lacrimal punctum -lacrimal duct, comprising a shaft, a tip part fitted to one end of the shaft, and a flange fitted to the other end of the shaft. A thin member is passed through either or all of the tip part, the shaft, and the flange, or through the tip part and the shaft or the shaft and the flange. The thin member is a thread of 0.05 mm in diameter. The flange is formed in a disk shape, and its diameter is remarkably smaller than the maximum diameter of the tip part. A projection is formed at the tip part.</p> |
