Abstract
Introduction: The Cranio-Orbital Zygomatic (COZ) approach is a commonly used approach for intra- and extradural lesions of the anterior and middle skull base, as well as lesions of the basilar artery. Traditionally, osteotomies of the supraorbital foramen, zygomatic arch, and superior-lateral orbit are made to complete this approach. Tools previously used for these osteotomies include the gigli saw, osteotome, and a B1 bit on a Midas Rex drill without a footplate. Here, we report the first reported experience making osteotomies for a COZ approach using an ultrasonic irrigating knife (Stryker Sonopet sonicontrol knife), which has a single-side seriated-edge blade with a blunt tip.
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