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200237 ˘ˇˆ · PDF file Technology, Shanghai 200237, China; Xinhua Hospital, Shanghai...

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  • �������� Chinese Journal of Tissue Engineering Research

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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

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    � 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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    ���������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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