Title:
BIOABSORBABLE STENT
Document Type and Number:
WIPO Patent Application WO/2019/182003
Kind Code:
A1
Abstract:
Provided is a bioabsorbable stent which is formed from a magnesium alloy that does not contain a rare earth element and aluminum. A bioabsorbable stent which has a core structure that is formed from a magnesium alloy which is mainly composed of 90% by mass or more of magnesium, while containing zinc, zirconium and manganese as minor components and without containing a rare earth element and aluminum. This bioabsorbable stent is provided with: a first anti-corrosion layer which is formed on the core structure that is formed of the magnesium alloy, and which is mainly composed of magnesium fluoride; and a second anti-corrosion layer which is formed on the first anti-corrosion layer, and which is formed from a parylene. Also provided is a method for producing this bioabsorbable stent.
Inventors:
SASAKI MAKOTO (JP)
KOGA YUKI (JP)
OKAZAWA YUKI (JP)
UEDA HIRONORI (JP)
INOUE MASASHI (JP)
YAMASHITA SHUZO (JP)
KOGA YUKI (JP)
OKAZAWA YUKI (JP)
UEDA HIRONORI (JP)
INOUE MASASHI (JP)
YAMASHITA SHUZO (JP)
Application Number:
PCT/JP2019/011667
Publication Date:
September 26, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
JAPAN MEDICAL DEVICE TECH CO LTD (JP)
FUJI LIGHT METAL CO LTD (JP)
FUJI LIGHT METAL CO LTD (JP)
International Classes:
A61L31/02; A61F2/07; A61F2/915; A61L31/04; A61L31/08; A61L31/10; A61L31/12; A61L31/14
Domestic Patent References:
| WO2018139647A1 | 2018-08-02 | |||
| WO2018122418A1 | 2018-07-05 |
Foreign References:
| US20140277396A1 | 2014-09-18 | |||
| JP2008537111A | 2008-09-11 | |||
| US20160129162A1 | 2016-05-12 | |||
| US20100305684A1 | 2010-12-02 | |||
| JP2014534841A | 2014-12-25 | |||
| JP2005531391A | 2005-10-20 | |||
| US20160129162A1 | 2016-05-12 | |||
| US20140277396A1 | 2014-09-18 |
Other References:
See also references of EP 3769797A4
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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