Forget Organ Donation, Scientists Are Now Printing Body Parts

Monday, February 25, 2013

Lawrence Bonassar with a printed ear. (Lindsay France/Cornell University Photography)

Three-dimensional printing is a dynamic new technology that promises to revolutionize how we manufacture and create things. Still in its early stages of development, it's already being used to make chocolate, guns, and even body parts. The technology is even being employed by ordinary (if technologically-inclined) people who are building their own 3D printers at home.

Three-dimensional printing has been around for awhile, so what's new about it? According to Lawrence Bonassar, a professor of biomedical engineering at Cornell, it has to do with printing living tissue:

"We think that the real leap forward here has been…in figuring out how to make that toner or ink out of living tissue, out of living materials, that contain cells within them."

Bonassar and some colleagues recently printed a real, human ear. And while you might expect to learn that they built a framework and then attached living cells to it, they were actually printing with real human cells. Cartilage lends itself to this sort of printing because its creators don't have to worry as much about supplying the tissue with nutrients via blood — cartilage naturally depends less on a blood supply. Of course, it's still alive.

Max Lobovsky is the founder of FormLabs, a start-up company that is creating a more affordable professional 3D printer.

A 3D printer from MakerBot Industries. (Courtesy MakerBot)


Professor Lawrence Bonassar, Professor Jennifer Lewis and Maxim Lobovsky

Produced by:

Ibby Caputo and Mythili Rao

Comments [3]

unkerjay from Puget Sound, WA

And don't forget the more affordable 3D tinkering tool the 3Doodle pen:

Feb. 25 2013 04:49 PM
unkerjay from Puget Sound, WA

All the references left out TinkerCAD:

a REALLY user friendly means for designing printable 3D models.

There's also a fairly expansive reference covering several aspects of 3D printing put out by

"Ultimate Guide to 3D printing"

which also touches on the subject of biological printing.

(If you're interested.)

Feb. 25 2013 04:36 PM
Larry Fisher from Brooklyn, N.Y.

A printer in someone's home in fifty years, might be a whole different one than the epson printer I am looking at, at my desk.

Feb. 25 2013 11:50 AM

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