STENT COVER MEMBER AND STENT DEVICE

WIPO Patent Application WO/2012/011269

A1

Disclosed is a stent device wherein a stent (2), which, upon being implanted in a blood vessel, expands and supports said blood vessel from the inside, is held in a contracted state by a stent cover member (3). The stent is formed into a tube shape from a bioabsorbable shape-memory polylactic acid (PLA) and stores a shape of a size such that upon being implanted in a blood vessel, the stent can support said blood vessel from the inside. The stent is inserted, on the balloon (12) of a balloon catheter (11), into the blood vessel while being held in a contracted state by the cover member. The cover member is formed, from an elastic bioabsorbable polymer material, into a tube shape of a size such that the inner diameter thereof holds the stent in the contracted state. When the stent expands to the size stored therein, the cover member plastically deforms such that the stent is no longer held. After being implanted in the blood vessel, the stent and the stent cover member disappear in the blood vessel.

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WO/2006/049855	END-CAPPED POLY(ESTER AMIDE) COPOLYMERS
WO/2024/077019	COMPRESSIBLE-GAS-FILLED IMPLANT WITH LIQUID BUFFER

IGAKI KEIJI (JP)
YAMADA HIROKAZU (JP)

PCT/JP2011/004080

January 26, 2012

July 19, 2011

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KYOTO MEDICAL PLANNING CO LTD (JP)
IGAKI KEIJI (JP)
YAMADA HIROKAZU (JP)

A61F2/07; A61F2/89

WO2000013737A1	2000-03-16
WO1992015342A1	1992-09-17
WO2000013737A1	2000-03-16
WO2009157164A1	2009-12-30
WO2004103450A1	2004-12-02

JP2010521211A	2010-06-24
JP2005534425A	2005-11-17
JP2008253707A	2008-10-23

See also references of EP 2596766A4

TAMURA, EIICHI (JP)
Eiichi Tamura (JP)

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