Guide wire and stent

Details Guide wire and stent Guide wire and stent

2008-04-24

2011-11-08

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Flexible catheter guide

Reexamination Certificate

active

08052620

ABSTRACT:
A guide wire includes a distal core member made of a ferrous alloy which has shape memory properties and superelasticity. The ferrous alloy preferably includes substantially two phases, and has a difference of 100° C. or less between an Af point and an Ms point in a thermal hysteresis of martensitic transformation and reverse transformation. The guide wire may include a proximal core member made of an iron-containing alloy and having a higher modulus of elasticity than the distal core member. The two core members may be joined together by welding to form a core of the guide wire.

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Non-English language version of International Search Report dated May 20, 2008 (with English language translation of category of cited documents).
Hiroyuki Kato et al., “Stress-Induced FCC/FCT Phase Transformation in Fe-Pd Alloy”, Scripta Materialia, vol. 46, 2002, pp. 471-475, Pergamon, Acta Materialia Inc., Published by Elsevier Science Ltd.
English language translation of International Preliminary Report on Patentability issued Nov. 24, 2009 by The International Bureau of WIPO in International Application No. PCT/JP2008/057525.

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