Prosthetic artificial bone having ceramic layers of different porosity
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United States of America Patent
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Oct 6, 1992
Issued Date -
N/A
app pub date -
Feb 18, 1992
filing date -
Dec 7, 1989
priority date (Note) -
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Abstract
A prosthetic artificial bone having a double-layered structure obtained by forming a high porosity portion having a porosity of from 40 to 90% and a lower porosity portion having a porosity of 50% or less, into an integral body, and wherein the high porosity portion and the lower porosity portion each comprise a ceramics containing calcium and phosphorus.
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