PubMed · 9386836
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P Galletti. Biomaterials and availability.. https://doi.org/10.1097/00002480-199711000-00006
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OBJECTIVE: To summarize the developmental process of biomedical materials and regenerative medicine. METHODS: After reviewing and analyzing the literature concerned, we put forward the developmental direction of biomedical materials and regenerative medicine in the future. RESULTS: Biomedical materials developed from the first- and second-generations to the third-generation in the 1990s. Regenerative medicine was able to help the injured tissues and organs to be regenerated by the use of the capability of healing themselves. This kind of medicine included the technologies of the stem cells and the cloning, the tissue engineering, the substitute tissues and organs, xenotransplantation and so on. CONCLUSION: The third-generation biomaterials possess the following two properties: degradation and bioactivity; and they can help the body heal itself once implanted. Regenerative medicine is a rapidly advancing field that opens a new and exciting opportunity for completely revolutionary therapeutic modalities and technologies.
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Reconstruction of skull base defects following tumor resection is of paramount importance in avoiding serious and life-threatening complications. Cranial base surgery has evolved and outcomes have steadily improved as increasingly reliable reconstructive techniques have been adapted to repair the challenging wounds in this complex anatomic region. The most significant development has been the introduction and refinement of microvascular free tissue transfer to the skull base over the past 15 to 20 years. Free flaps can reliably provide the requisite tissue to not only seal the intracranial space from the subjacent cavities, but also to restore complex craniofacial defects that often result from skull base tumor excision. Advances in alloplast technology have also expanded the armamentarium available to the reconstructive surgeon. In particular, bone substitutes, titanium hardware, and resorbable plate fixation have been shown to be very efficacious when used in carefully selected situations. Finally, tissue sealants and adhesives have become widely used as an adjunctive method to achieve a water-tight dural repair.