Advances in Biomedical Sciences and Engineering

Advances in Biomedical Sciences and Engineering

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This authoritative reference provides update information on the fundamental aspects and applications of biomaterials and biomedical sciences. It includes nickel-titanium alloys with superelasticity ...
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Metallic Implants for Spinal Deformity Correction

Pp. 1-44 (44)

Kelvin Wai-Kwok Yeung, Kenneth MC Cheung, Keith Dip-Kei Luk and Chi Yuan Chung


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.


Division of Spine Surgery, Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong.