BIODEGRADABLE OSTOCHONDREAL IMPLANT
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Oct 18, 2006
filing date -
Oct 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A biodegradable osteochondral implant comprises a porous top and a porous bottom section separated by a barrier impermeable to agents that have a detrimental effect on the regeneration of cartilage. The implant or its top section is of rotationally symmetric or parallelepipedal form and comprises a resilient polymer material such as polyurethane urea. Also disclosed is a corresponding sheet material from which implants can be excised, processes of manufacture of the implant and the sheet material, and a method for implanting the osteochondral implant in a recess prepared in a load-bearing surface of a joint.
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