Title:
GUIDE WIRE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2003/045489
Kind Code:
A1
Abstract:
A guide wire comprising an inner core (a) having, integrally formed together, a body portion (a−1) high in rigidity and a tip end portion (a−2) smaller in diameter and lower in rigidity than the (a−1), an a high X−ray contrast unit (b) provided at the (a−2), the (a−2) being resin−molded with the (b) contained therein, wherein the guide wire having the high X−ray contrast unit (coil) integrally formed with resin allows no blood to enter the coil, no thrombus to be formed, and the coil not to shrink or expand or come off when the guide wire is to be removed, and an elastomer used for metal powder−contained rubber portion at the front tip end is soft and not likely to damage blood vessels, whereby it is possible to materialize a very fine guide wire having an inner core with an outer diameter of 0.25−0.31 mm.
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Inventors:
FURUKAWA KAZUTOSHI (JP)
Application Number:
PCT/JP2002/012291
Publication Date:
June 05, 2003
Filing Date:
November 25, 2002
Export Citation:
Assignee:
URAWA KENKYUSHO PRIVATE LTD CO (JP)
NISHIYAMA CORP (JP)
FURUKAWA KAZUTOSHI (JP)
NISHIYAMA CORP (JP)
FURUKAWA KAZUTOSHI (JP)
International Classes:
A61M25/01; A61M25/09; A61M25/095; B29C31/00; (IPC1-7): A61M25/01
Domestic Patent References:
| WO1999044668A1 | 1999-09-10 |
Foreign References:
| JP2000107296A | 2000-04-18 | |||
| JPH10290839A | 1998-11-04 | |||
| JPH0747120A | 1995-02-21 | |||
| JPH11197249A | 1999-07-27 | |||
| JP2001046508A | 2001-02-20 |
Attorney, Agent or Firm:
Yoshikawa, Toshio (9-19 Higashinoda-cho 4-chome, Miyakojima-k, Osaka-shi Osaka, JP)
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