3D Bioprinted Trachea

Researchers were able to transplant 2cm sections of 3D bioprinted tracheal grafts into rabbits.

The bioprinted replacement tracheal graft showed normal cartilage growth, and the formation of new tissue.


The group modified a Makerbot printer to 3D print PCL tracheal scaffolds with gaps. In the gaps, they injected a mixture of PureCol® Type I collagen and chondrocytes to help the rabbit create new, native membrane/tissue.


As this was a pilot study, the group aims to do larger sample sizes, and analyze the absorption process of the scaffold.


The publication is listed here: https://www.sciencedirect.com/science/article/pii/S016558761830572X


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