As we move into 2015, stories about the use of 3-D printing (also called additive manufacturing) in the health care industry continue to hit headlines. Some 3-D printed products are already available to U.S. patients, including knee and cranial implants, while others, including a graft device to treat aneurysms, are coming down the pipeline.

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In early October, FDA held a public workshop to discuss the challenges of regulating medical devices made through additive manufacturing (also known as 3-D printing). Additive manufacturing gives designers the ability to build devices directly from 3-D images, like patient CT or MRI scans. As the push toward personalized medicine continues, 3-D printed devices hold