JP4358578B2 - 涙点プラグ - Google Patents
涙点プラグ Download PDFInfo
- Publication number
- JP4358578B2 JP4358578B2 JP2003311886A JP2003311886A JP4358578B2 JP 4358578 B2 JP4358578 B2 JP 4358578B2 JP 2003311886 A JP2003311886 A JP 2003311886A JP 2003311886 A JP2003311886 A JP 2003311886A JP 4358578 B2 JP4358578 B2 JP 4358578B2
- Authority
- JP
- Japan
- Prior art keywords
- thread
- punctum
- plug
- tip
- lacrimal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Description
2 下涙点
3 上涙小管垂直部
4 下涙小管垂直部
5 上涙小管垂直部と水平部の境界部
6 下涙小管垂直部と水平部の境界部
7 上涙小管水平部
8 下涙小管水平部
9 総涙小管
10 内総涙点
11 涙嚢
12 鼻涙管
13 鼻涙管の下端
14 涙腺
15 角膜
16 結膜
17 眼球表面
18 下鼻道
21 先端部
22 シャフト
23 ツバ
24 孔
31 糸(引張り強度、耐切創性、耐熱性、耐疲労性に優れた細い部材)
32 ピンセット
91 先端部(21)に取り付けられた先の尖った部材(突起)
Claims (1)
- シャフト(22)と、その両端に固定されたツバ(23)および先端部(21)を有する涙点プラグにおいて、
ツバ(23)の直径(b)が先端部(21)の直径(a)より小さくなっており、ツバ(23)が、涙小管の中に入り得る小さいものであるとともに、先端部が、涙小管垂直部を十分に塞ぎ、涙液の涙道内への流入を阻止することができるものであり、
涙道内に入り込んだツバ(23)を引き出すための細い部材(31)がシャフト、ツバ及び先端部の少なくとも1つに設けられており、
糸の途中が涙点プラグの中に設けられ、かつ、糸の両端が涙点プラグから出ており、涙点プラグに設けられた糸の一端側を引くことによって、必要に応じて、糸全体を涙点プラグから抜くことができるようになっており、挿入時に涙点プラグのツバが涙道内に入ってしまったとき、細い糸の両端側を同時に引っ張ることにより、涙道の中からツバを外に出すことができるようになっており、
細い部材(31)が、耐熱性のあるアラミド繊維からなる糸であることを特徴とする涙点プラグ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003311886A JP4358578B2 (ja) | 2003-09-03 | 2003-09-03 | 涙点プラグ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003311886A JP4358578B2 (ja) | 2003-09-03 | 2003-09-03 | 涙点プラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005074167A JP2005074167A (ja) | 2005-03-24 |
JP4358578B2 true JP4358578B2 (ja) | 2009-11-04 |
Family
ID=34413335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003311886A Expired - Fee Related JP4358578B2 (ja) | 2003-09-03 | 2003-09-03 | 涙点プラグ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4358578B2 (ja) |
-
2003
- 2003-09-03 JP JP2003311886A patent/JP4358578B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005074167A (ja) | 2005-03-24 |
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