Machined PEEK plastic has been used in custom cranial implants for some time, as it is strong, light, and biocompatible. Recent efforts have yielded a range of printable medical-grade PEEK filaments with a focus on biocompatibility, and as a result, AM technology is now being used to produce custom cranial implants at the point of care (in the hospital).
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I need that like I need a hole in the head.
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