'Biopen' lets doctors 3D print cartilage during surgery
 

If you need knee replacement surgery in the future, doctors may be able to create a custom-made joint from your own stem cells. A team from St Vincent's Hospital, Melbourne, have developed the Biopen, a type of 3D printer that uses "ink" made from h...

http://www.engadget.com/2016/04/04/b...uring-surgery/