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Patent Searching and Data


Title:
VEIN COVER
Document Type and Number:
WIPO Patent Application WO/2021/177273
Kind Code:
A1
Abstract:
Provided is a vein cover capable of preventing intimal thickening by delivering the blood flowing through the lumen to the downstream vein while gradually buffering the blood pressure, pulse pressure, and blood flow. A tubular vein cover (10) placed in a vein (4) anastomosed with an artery (3) or an artificial blood vessel (5), the tubular vein cover (10) having a portion (A) that has an elastic index (10% elastic index) of 25 N or lower when the inner diameter of the vein cover (10) is expanded 10% from the natural state.

Inventors:
HAGIWARA AKEO (JP)
Application Number:
PCT/JP2021/007839
Publication Date:
September 10, 2021
Filing Date:
March 02, 2021
Export Citation:
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Assignee:
HAGIWARA AKEO (JP)
KANEKA CORP (JP)
International Classes:
A61L27/18; A61F2/06; A61L27/58; A61M1/36
Foreign References:
JP2008522735A2008-07-03
US6019788A2000-02-01
US20150119908A12015-04-30
US20100121247A12010-05-13
JP2004535896A2004-12-02
JP2010516437A2010-05-20
JP2013509258A2013-03-14
JP2020036211A2020-03-05
Other References:
HIROAKI HARUGUCHINIHON TOSEKIIGAKKAI ZASSHI, I BLOOD ACCESS PROBLEMS ASSOCIATED WITH BLOOD FLOW FAILURE, vol. 15, no. 1, 2000, pages 68 - 70
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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