overview


Medical Manufacturing Research Highlights


Ellen J. Kehoe Senior Editor


Journals & Tech Papers


Bone marrow biopsy at Georgetown University Hospital. Recent research has focused on improved tissue cutting in needle biopsies through needle-tip design, vibration cutting and friction reduction.


A


s extraordinary breakthroughs in medical, dental and surgical materials and devices go steadily main- stream, doctors and hospitals are no longer “just


practicing” but are high-tech masters of what researchers’ minds envision. Last June’s co-located SME North American Manufactur- ing Research Conference (NAMRC), ASME Manufacturing Science and Engineering Conference (MSEC) and JSME International Conference on Materials and Processing (ICMP) featured numerous papers highlighting medical manufactur- ing innovations. Articles from SME’s research and conference paper collections provide additional, interesting knowledge on medical manufacturing topics.


Bioceramics and More Bio-inert, resorbable, bioactive or porous bioceramics are applied in replacements for hips, knees, teeth, tendons, liga- ments and used for bone repair. Drawbacks are brittleness and poor plastic deformation, leading to edge chipping and fracturing; even new bioceramics with improved proper- ties exhibit similar problems due to machining diffi culty and surface damage. Researchers from North Carolina A&T State University


(Greensboro) and Tianjin University of Technology and Education (Tianjin, China) investigated ultrasonic vibra- tion assisted grinding (UVAG) as a cost-effective method to reduce edge chipping in high-speed milling of bioceramics.


18 — Medical Manufacturing 2015


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