If you want to understand how close the medical community is to a quantum leap forward in 3D bioprinting, then you need to look at the work that one intern is doing this summer at the University of Louisville.
A team of doctors, researchers, technicians, and students at the Cardiovascular Innovation Institute (CII) on Muhammad Ali Boulevard in Louisville, Kentucky swarm around the BioAssembly Tool (BAT), a square black machine that's solid on the bottom and encased in glass on three sides on the top. There's a large stuffed animal bat sitting on the machine and a computer monitor on the side, showing magnified images of the biomaterial that the machine is printing....