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          Event Location
          3540 Engineering

          Mechanical Engineering Seminar
          Tuesday, February 11, 2020
          10:15 a.m., 3540 Engineering Building
          Refreshments Served at 10:00 a.m.

          Biomedical Manufacturing: Two Stories on Additive Manufacturing of Custom Assistive Devices and Machining Inside the Blood Vessel

          Albert Shih, Ph.D.

          Professor of Mechanical Engineering and Biomedical Engineering
          Faculty Member of Integrative Systems and Design
          Institute of Gerontology
          University of Michigan


          Manufacturing is an integral part of multi-disciplinary innovative solutions to transform our healthcare.  This talk focuses on two examples of manufacturing research to demonstrate the healthcare needs and manufacturing solutions.  One is the cyber design and additive manufacturing custom ankle foot orthosis at the University of Michigan’s Orthotics and Prosthetics Center.  The process, machine, system, and metrology aspects of the R&D is used to outline the technology to overcome overlapping needs for reconfigurable, personalized, and socially adoptable assistive devices. The goal is to create a smart care system to transform the quality of care in our society.  The second example is the machining inside the blood vessel in atherectomy (the internal grinding of calcified plaque) and mechanical thrombectomy (the removal of blood clots in the brain) procedures. Atherectomy utilizes a small (1.25 to 2.5 mm diameter diamond grinding wheel) rotating up to 230,000 rpm to grind the calcified plaque and restore the blood flow.  Mechanical thrombectomy physically removes the blood clots by stenting, cutting or vacuum suction.  A cutting-based device using a high-speed rotating tool at the tip of the catheter tube and the vacuum for suction of the debris will be discussed.  Both plaque grinding and clot cutting apply the machining and cutting mechanics to enable the innovation and fabrication of novel interventional devices.


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          Persons with disabilities have the right to request and receive reasonable accommodation. Please call the Department of Mechanical Engineering at 517-355-5131 at least one day prior to the seminar; requests received after this date will be met when possible.

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