Biocompatible implant material comprising a tri-axial or more three-dimensional fabric
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United States of America Patent
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Jan 27, 1998
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N/A
app pub date -
May 24, 1995
filing date -
Sep 24, 1993
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Abstract
This invention provides an implant material which has high mechanical strength and durability in three-dimensional directions and a function to synchronize with deformation characteristics of surrounding biological tissues, is capable of being penetrated by biological tissues into its fabric space, and does not cause foreign body reaction or can positively connect with biological tissues, so that it can be implanted in the living body for a prolonged period of time. It uses, as a base material, a biocompatible bulk structure of a three-dimensionally woven or knitted fabric of organic fibers or a composite fabric thereof, and its void ratio in the fabric is preferably set to 20 to 90 vol %. More preferably, the surface of organic fibers which constitute the bulk structure is biologically activated or inactivated.
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