Biodegradable calcium phosphate/collagen composite materials for medical use and method for preparation thereof
A composite material, calcium phosphate technology, applied in the field of biomedicine, can solve the problems of matching treatment position, bone repair materials can not fully meet the clinical application, etc., and achieve the effect of good biocompatibility, continuously adjustable degradation rate, and tight binding.
Inactive Publication Date: 2005-08-17
ZHEJIANG UNIV
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Abstract
The present invention discloses one kind biodegradable medical composite calcium phosphate/collagen material and its preparationpr. The composite calcium phosphate/collagen material consists of nanometer level calcium phosphate in 50-80 wt% and collagen in 20-50 wt%, where the calcium phosphate may be amorphous calcium phosphate, alpha-tricalcium phosphate, beta-tricalcium phosphate, apatite, calcium biphosphate, composite apatite/alpha-tricalcium phosphate powder, composite apatite/beta-tricalcium phosphate powder, or composite alpha-tricalcium phosphate powder/beta-tricalcium phosphate powder. The composite calcium phosphate/collagen material has homogeneously distributed calcium phosphate, close combination between calcium phosphate and collagen, continuously adjustable degradation rate, high biocompatibility and other features, and is especially suitable for use as bone repairing material.
Application Domain
Surgery
Technology Topic
Phosphoric acidBeta-tricalcium phosphate +10
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