CN Patent

CN107789093B — 自膨胀固定的人工鼻泪管

Assigned to Guangzhou Sun-Shing Biotech Co Ltd · Expires 2020-05-05 · 6y expired

What this patent protects

本发明公开了一种自膨胀固定的人工鼻泪管，所述人工鼻泪管为中空管状结构，所述中空管状结构的内径为0.5～1.5mm，所述中空管状结构的外径为0.6～4.0mm；所述人工鼻泪管由吸水可膨胀的材料制成。本发明所述人工鼻泪管的结构简单，无需设置成端部尺寸大于泪道生理尺寸的结构来达到固定的目的，固定效果好，吸水膨胀后不容易脱落。

USPTO Abstract

本发明公开了一种自膨胀固定的人工鼻泪管，所述人工鼻泪管为中空管状结构，所述中空管状结构的内径为0.5～1.5mm，所述中空管状结构的外径为0.6～4.0mm；所述人工鼻泪管由吸水可膨胀的材料制成。本发明所述人工鼻泪管的结构简单，无需设置成端部尺寸大于泪道生理尺寸的结构来达到固定的目的，固定效果好，吸水膨胀后不容易脱落。

Drugs covered by this patent

Patent Metadata

Patent number
CN107789093B
Jurisdiction
CN
Classification
—
Expires
2020-05-05
Drug substance claim
No
Drug product claim
No
Assignee
Guangzhou Sun-Shing Biotech Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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