Biomechanics of Cervical Disc Arthroplasty Devices

Prosthesis design has an influence on the quantity and quality of postoperative motion after cervical disc arthroplasty. Prostheses with built-in resistance to angular and translational motion may have an advantage in restoring physiologic motion. The ability of a prosthesis to work with remaining b...

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Bibliographic Details
Published in:	Neurosurgery clinics of North America Vol. 32; no. 4; pp. 493 - 504
Main Authors:	Patwardhan, Avinash G., Havey, Robert M.
Format:	Journal Article
Language:	English
Published:	Elsevier Inc 01-10-2021
Subjects:	Biomechanics Cervical disc arthroplasty Cervical spine Total disc replacement Biomechanics Total disc replacement Cervical disc arthroplasty Cervical spine
Online Access:	Get full text
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Summary:	Prosthesis design has an influence on the quantity and quality of postoperative motion after cervical disc arthroplasty. Prostheses with built-in resistance to angular and translational motion may have an advantage in restoring physiologic motion. The ability of a prosthesis to work with remaining bony and soft tissues to restore motion and load-sharing is a function of the kinematic degrees of freedom DOF, axis of rotation for a given motion, and device stiffness. How these characteristics allow the prosthesis to work with the patient's anatomy will determine whether the prosthesis is successful at restoring motion and mitigating adjacent-level stresses.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-3 content type line 23 ObjectType-Review-1
ISSN:	1042-3680 1558-1349
DOI:	10.1016/j.nec.2021.05.008