“A hybrid printer developed by  scientists will help print 3D tissue that simplifies the process of creating implantable cartilage that could eventually be implanted into injured patients to help re−grow cartilage in specific areas, such as the joints.”

http://en-maktoob.news.yahoo.com/hybrid-device-print-implantable-cartilage-120612606.html

Biofabrication

http://iopscience.iop.org/1758-5090/5/1/015001