Disposable ophthalmic/medical apparatus with timed color change indication

• 收藏
• 分享

专利权人:

发明人:

申请号：

EP14166858.2

公开号：

EP2767218A2

申请日:

2007.11.08

申请国别(地区):

EP

年份:

2014

代理人:

摘要：

A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/