Development on scaffold-free 3D regenerative cartilage as surgical implants

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We have produced complex regenerative cartilage or regenerative joints that consist of two layers of cartilage and bone to apply them to the repair of cleft lip-nose or temporomandibular joint reconstruction. Regarding every regenerative cartilage which we have invented, a large amount of cell pellets were produced, and then physical strength and resistance to hypoxia or undernutrition were added to them. After that, 3D shape was formed by accumulating and fusing those pellets together. At transplantation, tissue tension relief was attempted in the transplantation site. Based on the techniques, we have realized scaffold-free 3D regenerative cartilage.