Advances in Biomedical Sciences and Engineering

Metallic Implants for Spinal Deformity Correction

Author(s): Kelvin Wai-Kwok Yeung, Kenneth MC Cheung, Keith Dip-Kei Luk and Chi Yuan Chung

Pp: 1-44 (44)

Doi: 10.2174/978160805040610901010001

* (Excluding Mailing and Handling)

Abstract

Patients with severe spinal lateral deformity will consider for surgical intervention due to cardiopulmonary and cosmetic compromise. However, the current operation making use of conventional metals can only achieve 60-70% correction due to the spinal viscoelastic properties. Hence, spinal implants making use of the shape memory effect of nickel titanium shape memory alloy have been developed to overcome these problems. Nevertheless, the surgical outcome did not significantly differ with the conventional implants. The invention new spinal system is still needed in order to achieve better spinal deformity correction.

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