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Page 1: 200237 ˘ˇˆ ORCID · Technology, Shanghai 200237, China; Xinhua Hospital, Shanghai Jiao Tong University Medical School, Shanghai 200092, China) bs trac BACKGROUND: Biodegradable

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Zhang Xiao-dong, Ph.D.,

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Research Center, East China

University of Science and

Technology, Shanghai

200237, China

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DOI:10.3969/j.issn.2095-4344.0022 ORCID: 0000-0001-7038-9291(���)

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A patent analysis of biodegradable vascular scaffolds

Zhang Xiao-dong

�, Sun Jing

� (

�Intellectual Property Research Center, East China University of Science and

Technology, Shanghai 200237, China;

�Xinhua Hospital, Shanghai Jiao Tong University Medical School,

Shanghai 200092, China)

Abstract

BACKGROUND: Biodegradable vascular stents show great commercial potential as the third generation of

stents in the treatment of vascular stenosis, and there is naturally an intense competition in patents.

OBJECTIVE: To analyze the patent information of biodegradable vascular scaffolds, which is helpful for better

understanding of the development of biodegradable vascular scaffold technology, and provides reference for

patent early warning.

METHODS: Based on the Orbit patent database, through the manual screening, we conducted an analysis

with FAMPAT patent family as analysis object from three aspects—the application trend, patent layout and

competitor analysis. In combination with the development of technology and industrialization, important

Chinese patent list was also screened.

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Page 2: 200237 ˘ˇˆ ORCID · Technology, Shanghai 200237, China; Xinhua Hospital, Shanghai Jiao Tong University Medical School, Shanghai 200092, China) bs trac BACKGROUND: Biodegradable

������. ���� �������[J].

���������2018�22(2):303-309. DOI:10.3969/j.issn.2095-4344.0022

ISSN 2095-4344 CN 21-1581/R CODEN: ZLKHAH

304

RESULTS AND CONCLUSION: USA is in a leading position in this field, and China develops quickly. There are still a lot of research and

patent layout space in the improvement of stent materials. Although some of basic patents have expired, patent infringement risks in China

still needs to be investigated due to the intensive patent layout when Chinese enterprises develop their industrialization.

Subject headings: Patents; Tissue Engineering

0 �� Introduction

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Page 3: 200237 ˘ˇˆ ORCID · Technology, Shanghai 200237, China; Xinhua Hospital, Shanghai Jiao Tong University Medical School, Shanghai 200092, China) bs trac BACKGROUND: Biodegradable

Zhang XD, Sun J. A patent analysis of biodegradable vascular scaffolds. Zhongguo Zuzhi Gongcheng Yanjiu. 2018;22(2):303-309.

DOI:10.3969/j.issn.2095-4344.0022.

P.O. Box 10002, Shenyang 110180 www.CRTER.org

305

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Page 5: 200237 ˘ˇˆ ORCID · Technology, Shanghai 200237, China; Xinhua Hospital, Shanghai Jiao Tong University Medical School, Shanghai 200092, China) bs trac BACKGROUND: Biodegradable

Zhang XD, Sun J. A patent analysis of biodegradable vascular scaffolds. Zhongguo Zuzhi Gongcheng Yanjiu. 2018;22(2):303-309.

DOI:10.3969/j.issn.2095-4344.0022.

P.O. Box 10002, Shenyang 110180 www.CRTER.org

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