3D Bioprinting System to ‘Grow’ Body Parts, Muscles

US bioengineers have developed a 3D tissue-organ printer that can fabricate stable, human-sized bones, muscle and cartilage using stem cells and polymer templates, the journal Nature Biotechnology reported.

“We present an integrated tissue–organ printer (ITOP) that can fabricate stable, human-scale tissue constructs of any shape. The results of this study bring us closer to the reality of using 3D printing to repair defects using the patient’s own engineered tissue,” Dr. Anthony Atala from Wake Forest School of Medicine in North Carolina, told Reuters Health in an e-mail.

The correct shape of the tissue construct is achieved by representing clinical imaging data as a computer model of the anatomical defect and translating the model into a program that controls the motions of the printer nozzles, which dispense cells to discrete locations.


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