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Smart Structures and Systems Volume 11, Number 3, March 2013 , pages 283-297 DOI: https://doi.org/10.12989/sss.2013.11.3.283 |
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Design and testing of a minimally invasive intervertebral cage for spinal fusion surgery |
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Walter Anderson, Cory Chapman, Zohreh Karbaschi, Mohammad Elahinia and Vijay Goel
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| Abstract | ||
| An innovative cage for spinal fusion surgery is presented within this work. The cage utilizes shape memory alloy for its hinge actuation. Because of the use of SMA, a smaller incision is needed which makes the cage deployment minimally invasive. In the development of the cage, a model for predicting the torsional behavior of SMAs was developed and verified experimentally. The prototype design of the cage was developed and manufactured. The prototype was subjected to static tests per ASTM specifications. The cage survived all of the tests, alluding to its safety within the body. | ||
| Key Words | ||
| shape memory alloy; spinal fusion; superelastic; intervertebral cage | ||
| Address | ||
| Walter Anderson, Cory Chapman, Zohreh Karbaschi, Mohammad Elahinia and Vijay Goel : Mechnical, Industrial and Manufacturing Engineering, University of Toledo, College of Engineering, Toledo 43606, USA | ||