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:
Assignee:
HAGIWARA AKEO (JP)
KANEKA CORP (JP)
KANEKA CORP (JP)
International Classes:
A61L27/18; A61F2/06; A61L27/58; A61M1/36
Foreign References:
| JP2008522735A | 2008-07-03 | |||
| US6019788A | 2000-02-01 | |||
| US20150119908A1 | 2015-04-30 | |||
| US20100121247A1 | 2010-05-13 | |||
| JP2004535896A | 2004-12-02 | |||
| JP2010516437A | 2010-05-20 | |||
| JP2013509258A | 2013-03-14 | |||
| JP2020036211A | 2020-03-05 |
Other References:
HIROAKI HARUGUCHINIHON TOSEKIIGAKKAI ZASSHI, I BLOOD ACCESS PROBLEMS ASSOCIATED WITH BLOOD FLOW FAILURE, vol. 15, no. 1, 2000, pages 68 - 70
See also references of EP 4115915A4
See also references of EP 4115915A4
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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