Magnesium-based biodegradable metallic material
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jul 2, 2009
app pub date -
Nov 16, 2006
filing date -
Nov 16, 2005
priority date (Note) -
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Abstract
As a novel biodegradable metallic material the degradation speed of which in vivo can be controlled over a broad scope while achieving desired mechanical properties such as strength, work hardening and ductility without restricting the shape of an implant device, it is intended to provide a magnesium-based biodegradable metallic material which comprises Mg containing Mg as the major composition and having a concentration of inevitable impurities equal to or less than 0.05 atomic %, is free from precipitates or intermetallic compounds, and has an average grain size being regulated to equal to or less than ¼ of the minimum part of the material.
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