发明名称 |
Intra-ocular lens. |
摘要 |
An intra-ocular lens comprising a lens part and a fixing part is disclosed, said lens part comprising a colorless transparent polyimide consisting mainly of a repeating unit represented by formula (I): <CHEM> The intra-ocular lens exhibits compatibility with the organism, chemical inactivity, and insusceptibility to modification or deterioration by the organism, has a refractive index of 1.6 or higher, completely absorbs ultraviolet rays while exhibiting substantial transparency to visible rays, and possesses heat resistance enough to withstand autoclaving. |
申请公布号 |
EP0345810(A1) |
申请公布日期 |
1989.12.13 |
申请号 |
EP19890110491 |
申请日期 |
1989.06.09 |
申请人 |
NITTO DENKO CORPORATION;MENICON CO., LTD. |
发明人 |
HIGASHI, KAZUMI;NAKAJIMA, TOSHIO;HINO, ATSUSHI;INOUE, SUNAO |
分类号 |
A61L27/00;A61L27/18;C08G73/10;G02B1/04 |
主分类号 |
A61L27/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|