| 摘要 |
Methods for delipidation, viral inactivation and terminal sterilization are provided for bone grafting material. The methods include contacting bone material with an amount of supercritical fluid effective to remove at least lipids and at least contaminants from the bone material, thereby obtaining a terminally sterilized and delipidated bone material. In various embodiments, the substantially terminally sterilized and delipidated bone material is 99.0%, 99.5% or 99.9% free of lipids and contaminants. Contaminants that are removed from bone material by terminal sterilization with supercritical fluid include infectious organisms, such as bacteria, viruses, protozoa, parasites, fungi and mold. Bone material or bone compositions that can be treated with critical or supercritical fluids comprise mineralized or demineralized bone particles, mineralized or demineralized bone matrix, partially demineralized bone matrix or combinations thereof. |
