An adjustable fusion cage for cervical spine surgery

Abstract

The utility model relates to the field of medical apparatus and instruments, disclose a kind of adjustable fusion cage for cervical vertebra operation.The utility model wherein, adjustable fusion cage for cervical vertebra operation includes support, driving part, linkage, first distraction body and second distraction body, first distraction body and second distraction body are oppositely arranged in the width direction of support two sides, linkage is arranged between first distraction body and second distraction body, linkage and first distraction body and second distraction body form linkage cooperation, driving part is used to drive linkage to move along the length direction of support to make first distraction body and second distraction body open outward or contract inward along the width direction of support. Thus, adjustable fusion cage can realize fine sectional area adjustment by adopting lateral distraction adjustment mode, to accurately adapt the lateral space difference between cervical vertebra interbody, better restore the normal physiological structure and biomechanical performance of cervical vertebra.

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