The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2021
Filed:
Dec. 31, 2019
Industrial Technology Research Institute, Hsinchu, TW;
Yu-Bing Liou, Hsinchu, TW;
Hsin-Yi Hsu, Taoyuan, TW;
Ying-Wen Shen, Miaoli County, TW;
Yun-Chung Teng, Kaohsiung, TW;
Yuchi Wang, New Taipei, TW;
Hsin-Hsin Shen, Hsinchu County, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
An ophthalmic drug delivery device and a method for fabricating the same are provided. The ophthalmic drug delivery device includes a shield element and a drug release element. The shield element has a light transmittance more than or equal to 80%. The drug release element is an annular body so that the drug release element surrounds the shield element. The drug release element is neutral and includes a cross-linked neutral collagen, a first hydrophilic biodegradable polymer and a drug. The shield element is acidic and includes a cross-linked acidic collagen and a second hydrophilic biodegradable polymer.