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RACCORDS DESTINÉS À ÊTRE UTILISÉS DANS DES SYSTÈMES ET DES MÉTHODES DE RÉDUCTION DE RISQUE DE CYPHOSE JONCTIONNELLE PROXIMALE
RACCORDS DESTINÉS À ÊTRE UTILISÉS DANS DES SYSTÈMES ET DES MÉTHODES DE RÉDUCTION DE RISQUE DE CYPHOSE JONCTIONNELLE PROXIMALE
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摘要
Systems and methods for reducing the risk of PJK, PJF, and other conditions are disclosed herein. In some embodiments, a longitudinal extension can be added to a primary fixation construct to extend the construct to one or more additional vertebral levels. The extension can be attached to a first attachment point, such as a spinous process of a vertebra that is superior to the primary construct. The extension can also be attached to a second attachment point, such as a component of the primary construct or an anatomical structure disposed inferior to the first attachment point. The extension can be more flexible than the primary construct and/or can limit motion to a lesser degree than the primary construct, thereby providing a more-gradual transition from the instrumented vertebrae to the natural patient anatomy adjacent thereto. The extension can be placed with little or no soft tissue disruption.
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