3D printing technology has been used to print several parts of human body, but it's on call use has never been so fascinating. The new Biopen uses hyrdogel bio-inkto create mid-surgery cartilage implants which yield a cell survival rate of an impressive 97 percent, and further extends the realm of possibility for 3D printing in medicine.

Source: http://www.digitaltrends.com/cool-tech/3d-printing-biopen/

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