Title:
MEDICAL TUBE
Document Type and Number:
WIPO Patent Application WO/2013/111848
Kind Code:
A1
Abstract:
This medical tube is formed by sequentially laminating an intermediate layer comprising a composition containing (a), (b) and (c1) below, and a lubricant layer comprising a composition containing (a), (b) and (c2) below, on a surface of an insertion member to be inserted in a living body. (a) At least one of an aromatic diisocyanate, an aliphatic diisocyanate and an alicyclic diisocyanate in an amount of 1 to 35 wt%. (b) Three or more functional polyols in an amount of 1 to 35 wt%. (c1) A polyalkylene glycol and/or monomethoxy polyalkylene glycol in an amount of 30 to 98 wt%. (c2) A polyalkylene glycol (wherein a polyalkylene glycol having a weight average molecular weight greater than that of the polyalkylene glycol of (c1) is included) and/or a monomethoxy polyalkylene glycol (wherein a monomethoxy polyalkylene glycol having a weight average molecular weight greater than that of the monomethoxy polyalkylene glycol of (c1) is included) in an amount of 30 to 98 wt%. (However, each glycol in (c1) and (c2) is a diol).
Inventors:
MATSUMOTO MARIKO (JP)
MATSUMURA YOICHI (JP)
MIYAUCHI HIDEKAZU (JP)
MATSUMURA YOICHI (JP)
MIYAUCHI HIDEKAZU (JP)
Application Number:
PCT/JP2013/051561
Publication Date:
August 01, 2013
Filing Date:
January 25, 2013
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A61L29/00; A61F9/007; A61L27/00; A61M25/14
Domestic Patent References:
| WO2008156132A1 | 2008-12-24 | |||
| WO2008023696A1 | 2008-02-28 | |||
| WO2006095766A1 | 2006-09-14 | |||
| WO2008156132A1 | 2008-12-24 |
Foreign References:
| JP2010246857A | 2010-11-04 | |||
| JPH04227671A | 1992-08-17 | |||
| JPH11506375A | 1999-06-08 | |||
| JP2539325B2 | 1996-10-02 | |||
| JP2011200601A | 2011-10-13 | |||
| JP2001104485A | 2001-04-17 |
Other References:
See also references of EP 2808041A4
HIROO YABE ET AL.: "The Effectiveness and Clinical Applications of a Hydrophilic Heparinized Polyurethane Lacrimal Stent Tube", JOURNAL OF OPHTHALMIC SURGERY, vol. 21, 2008, pages 237 - 242
HIROO YABE ET AL.: "The Effectiveness and Clinical Applications of a Hydrophilic Heparinized Polyurethane Lacrimal Stent Tube", JOURNAL OF OPHTHALMIC SURGERY, vol. 21, 2008, pages 237 - 242
Attorney, Agent or Firm:
YANAGINO Takao et al. (JP)
Takao Yanagino (JP)
Takao Yanagino (JP)
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Claims: