Bioceramic Scaffold with Hierarchical Porous Structures for Long Bone Regeneration

Comprehensive solution of design, material selection and additive manufacturing process of biodegradable scaffold for long bone regeneration.

Many fabrication methods have been investigated in attempts to achieve HA/TCP scaffolds with microporous structure enabling cell growth and nutrient transport. However, current 3D printing methods can only achieve the fabrication of HA/TCP scaffolds with certain range of microporous structure. To overcome this challenge, we developed a slurry-based microscale stereolithography (μSLA), allowing us to form a HA/TCP-based photocurable suspension with complex geometry including biomimetic features and hierarchical porous structures ranging from nanoscale to macroscale.

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