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Continuous acidification demineralization process for producing osteoinductive bone; and osteoinductive bone produced thereby
Continuous acidification demineralization process for producing osteoinductive bone; and osteoinductive bone produced thereby
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机译:连续酸化脱盐过程生产骨诱导性骨;和由此产生的骨诱导性骨
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摘要
The invention is directed to a process for producing demineralized osteoinductive bone, and demineralized osteoinductive bone produced thereby. The process achieves demineralization of bone by subjecting bone, including for example ground bone, bone cubes, chips, strips, or essentially intact bone, to a rapid continuous acid demineralization process. The process includes subjecting bone to a continuous exchange of demineralizing acid solution where the demineralizing acid solution is recirculated from the substantially closed container through an ion exchange media to remove calcium and phosphate thereby producing a regenerated acid, and returning the regenerated acid to the substantially closed container to produce osteoinductive demineralized bone. The process allows bone to be rapidly demineralized to a precise and specific desired residual calcium level, without sacrificing osteoinductivity.
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