Researchers are working with 4D printing to create a biomimetic microchannel scaffold made of collagen and hydroxyapatite.Spinal fusion is frequently performed to restore spinal stability in patients with spinal diseases, such as spinal stenosis, vertebral fractures, progressive deformities, and ...

http://www.todaysmedicaldevelopments.com/article/4d-printing-bone-tissue-scaffolding-vasularization-medical-developments

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