Composite material endoprosthesis
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United States of America Patent
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Mar 31, 1998
Grant Date -
N/A
app pub date -
May 28, 1996
filing date -
May 28, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
An endoprosthesis includes a body structure formed of a biocompatible material, the body structure including a first material having an average atomic number greater than 24 and a second material that is different than the first material. The first material is present in an amount not greater than 9% by volume based on the combined volume of the first material and the second material. The body structure has a mass absorption coefficient effective to provide a ratio of an intensity of an incident X-ray to an intensity of a transmitted X-ray in a range of 1e.sup.-2 to 1e.sup.-4.
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