Australians have developed 3D printing of live cells into the patient with the BioPen

BioPen to rewrite orthopaedic implants surgery (Health Canal)
A handheld “bio pen” developed in the labs of the University of Wollongong will allow surgeons to repair damaged and diseased bone material by delivering live cells and growth factors directly to the site of injury, accelerating the regeneration of functional bone and cartilage.
Researchers from the UOW-headquartered Australian Research Council Centre of Excellence for Electromaterials Science (ACES) have developed the prototype BioPen that will give surgeons greater control over where the materials are deposited while also reducing...