Broken hips, skull fractures, spinal injury, and worn knees and elbows. The human body is an imperfect machine, subject to trauma and degenerative disorders that only decades ago may have permanently impaired us or worse. Today, treatment of these and other unfortunate conditions often requires little more than a brief visit to the hospital and some physical therapy. Once-debilitated patients are good as new.
The majority of the pins, screws, and implants used to repair humans are made from metal. Titanium and cobalt chrome alloy, 300-series stainless steel – and a host of proprietary alloys are machined, forged, and formed into a variety of life-changing, often life-saving devices. But compared to many metals, these tough alloys are difficult to process. CNC machine tools must withstand extreme forces when carving up parts such as a Steinmann pin or threading a cannulated screw. Cutting tools wear down quickly, and accuracy suffers as a result.
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