A personalized 3D printed bone tissue engineering scaffold with mosaic structure
A tissue engineering scaffold and mosaic structure technology, applied in tissue regeneration, additive processing, prosthesis, etc., can solve the problems of single, fixed aperture, simple structure, etc.
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0020] A mosaic-structured 3D-printed jaw bone tissue engineering scaffold includes two parts, one is an external contour scaffold for restoring the shape and structure of craniomaxillofacial bone defects, and the other is an internal tubular scaffold for promoting blood vessel formation.
[0021] The outer scaffolds were seeded with mesenchymal stem cells (MSCs) and / or loaded with bone morphogenic protein (BMP), and the inner scaffolds were seeded with endothelial cells (ECs) and / or loaded with vascular endothelial growth factor (VEGF).
[0022] The implementation of a 3D printed bone tissue engineering scaffold with a personalized mosaic structure includes the following steps:
[0023] (1) First, for the patient's craniomaxillofacial bone defect, 3D reconstruction is performed based on CT imaging technology to simulate the size and shape of the mandib...
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