Porous and nonporous materials for tissue grafting and repair

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Tissue

Reexamination Certificate

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C623S023750, C606S907000, C606S908000

Reexamination Certificate

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08029575

ABSTRACT:
Implants, such as interbody spacers, fusion devices and bone grafts, are provided having improved mechanical properties and/or degradation profiles. Such implants include a three-dimensional scaffold formed from particles, such as microspheres, which may in some embodiments be resorbable or biodegradable and which may have at least two different degradation rates. In some embodiments, the scaffold may be elastomeric. The three-dimensional scaffold may be for example, porous or semi-porous. Also provided are kits including such implants, and methods of producing and using the same.

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