Spacing device for releasing active substances in the paranasal sinus

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专利权人:

Werner Hosemann;Achim Gopferich

发明人:

Achim Gopferich,Werner Hosemann

申请号：

US10470881

公开号：

US08740929B2

申请日:

2002.02.06

申请国别(地区):

US

年份:

2014

代理人:

摘要：

A spacing device for use in fenestrations of the paranasal sinus, the device including a sheath which forms a hollow body defining at least two apertures. The sheath includes at least one layer loaded with an active substance. The ratio q of the external diameter ra of the hollow body to the internal diameter ri of the hollow body is about 1.2 to 3.0.

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中国工程科技知识中心

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