Page 153 - Demo

Augmentedrealityguidedcondylectomy1519Figure1ThemandiblewastrackedbytheQRmarkerfixatedonthelowerdentition(A)ThepositionofthepointerwithlaserengravedQR-marker(B)wastrackedbytheHoloLensandthetipoftheKirschnerwire(C)wasvisualizedbythesurgeonintheHoloLensThesurgicaldrill(D)wasusedtoperformthecondylectomyTheaccuracyofthepresentedmethodshouldbefurtherinvestigatedinfutureresearchBesidesthesoftwarecanbeimprovedtomaketheARapplicationmoreintuitive Toeliminatetheuseofthepointer,thesurgicalhandpiece(andthustheburr)canbeequippedwithaQR-codesothatthepositionoftheburrcanbetracked and corrected throughout surgery Themagnitude of theregistration error,perceptionerror6andsurgicalerrorinAR-guidedsurgeryshouldbeinvestigatedthoroughlyAlthoughconventionalsurgicalnavigationsystemscanbeusedtoguidetheuserduringsurgery thecombinationof theHoloLenswithsterilizableQRmarkersisaneasyandlow-costalternative ThisARsolutionallowstheusertostayfocusedonthesurgicalfieldwhileattainingfeedbackfromtheplanningThesurgeonisnotforced toswitchhis/her view toanexternalmonitorasinconventionalnavigationWebelievethatARguidanceisanadequatemethodtotransferavirtualplanningforvariouscranio-maxillofacialproceduresEspeciallyduringproportional