INTEGRATED 3D BIOPRINTING METHOD AND APPLICATION OF HARD MATERIALS AND CELLS FOR PREPARING BONE-REPAIR FUNCTIONAL MODULES AND BONE ORGANOIDS
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United States of America Patent
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Apr 6, 2023
app pub date -
Sep 30, 2022
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Sep 30, 2021
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Abstract
A technology of 3D printing integration of hard materials and cells, a preparation of bone-repair functional module with osteogenic microenvironment, bone organoid method and the application of quick repair of bone defects are provided. A preparation method of biological microenvironmental factors as independent osteogenic factors is further provided. The present integrated 3D printing technology realizes 3D printing of cells and hard materials synchronously by adjusting the temperature, so as to build a real sense of biomimetic bone tissue, which can be customized according to the specific defects and clinical needs of patients. In the present bone-repair functional module, the cells have high survival rate and proliferation activity on the surface of hard materials, and realize osteogenic differentiation and mineralization; after implantation, it has the dual metabolic functions of bone formation and bone resorption, promoting vascular and neurogenesis, improving elastic modulus and reducing stress shielding.
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