Calcium-containing bone implants

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert

Reexamination Certificate

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Reexamination Certificate

active

07998499

ABSTRACT:
This invention relates to a method for preparing a porous bone implant containing a calcium-based mineral. The method includes immersing a porous matrix in an acidic solution containing a calcium-based mineral; removing the matrix from the solution; and exposing the matrix to an alkali to neutralize the acidic solution, thereby causing precipitation of the calcium-based mineral to obtain a porous bone implant containing a calcium-based mineral.

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patent: 2006/0246150 (2006-11-01), Thorne

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