Design, modeling and experimental evaluation of a minimally invasive cage for spinal fusion surgery utilizing superelastic Nitinol hinges-Reference-Cited by-同舟云学术

Design, modeling and experimental evaluation of a minimally invasive cage for spinal fusion surgery utilizing superelastic Nitinol hinges

Published:2014-07-01 Issue:6 Volume:26 Page:631-638
ISSN:1045-389X
Container-title:Journal of Intelligent Material Systems and Structures
language:en
Short-container-title:Journal of Intelligent Material Systems and Structures

Author:

Taheri Andani Masood¹²,Anderson Walter¹,Elahinia Mohammad¹

Affiliation:

1. Dynamic and Smart Systems Laboratory, MIME Department, University of Toledo, Toledo, OH, USA

2. Center for Vehicle Systems and Safety, Virginia Tech, Blacksburg, VA, USA

Abstract

Spinal fusion surgery is performed to alleviate low back pain, and a cage implant is a spacer that sits in between two vertebrae to allow for bone growth and fusion, all while relieving compression of the spinal cord. This paper presents the design, modeling, and experimental evaluation of a minimally invasive cage which utilizes superelastic Nitinol elliptical shaped hinges. The actuation mechanism is presented and the employed additive manufacturing technique is discussed. The modeling approach is also introduced and experimental results are presented to demonstrate the performance of the model.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/1045389X14541499

Reference26 articles.

1. Modifying the torque–angle behavior of rotary shape memory alloy actuators through axial loading: A semi-analytical study of combined tension–torsion behavior

2. A rate dependent tension–torsion constitutive model for superelastic nitinol under non-proportional loading; a departure from von Mises equivalency

3. Direct lateral access lumbar and thoracolumbar fusion: preliminary results

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