Biomedical Engineering - Herff College of Engineering
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Bone Spreader

Students: Michael Schmitz, John Mays, Mahdi Mohammed

Bone SpreaderDesign outcome: We designed a new bone spreader for use in the proximal opening wedge osteotomy procedure for the correction of Hallux Valgus (Hammer Toe). Our team’s design aimed to improve the bone engagement surface, the hand grip of the device, and to decrease the stress induced on the bone during the procedure.

Why it matters: Every year, more than 200,000 osteotomies are performed to correct Hallux Valgus, which makes it one of the most common orthopedic operations.These design changes in the surgical bone spreader tool matter because they will cut down on surgical delays and improve the functional outcomes by preventing slippage and reducing stress imposed during the surgery.

Next steps:  The next steps would be remove weight for the device and possibly move the locking mechanism closer to the hinge as well as further increase the "roughness" of the bone engagement surface.

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Dr. Warren Haggard

Dr. Warren O. Haggard, Professor and Herff Chair of Excellence in Biomedical Engineering at the University of Memphis has been named to a three-year term on the ASTM International Board of Directors beginning in January 2009. Read more ...

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Last Updated: 12/16/13