Michal Popek

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Die Anwendung herkömmlicher CT-/MRT-unterstützter Navigationsverfahren sind bei Weichteileingriffen im Kopf-Hals-Bereich aufgrund des Gewebeshifts unzureichend. Ferner lassen sich hierbei Veränderungen, die sich im Rahmen invasiver Maßnahmen ergeben, nicht darstellen. Ein Navigationssystem für die Sonographie im Weichteilbereich unter Verwendung eines(More)
In surgery, sonography has been a well-accepted means of orientation for years. The immediate vicinity of many vital structures in the head and neck region calls for a very exact visualization of the surgical instrument in the 2-D ultrasonic picture. We report on the development of a new method for navigation-supported and sonographically-controlled(More)
The aim of this work was to develop a new computer system to support oncologic surgery in the maxillo-facial area (Maxillo-Facial Surgery System). The system applies DICOM data (Magnetic Resonance Imaging - MRI and Computed Tomography - CT scans) during the phase of virtual planning of surgical scenario, to identify the location and spatial geometry of(More)
OBJECTIVE To evaluate the accuracy of craniomaxillofacial resections performed with an image-guided surgical sagittal saw. MATERIAL AND METHODS Twenty-four craniomaxillofacial resections were performed using an image-guided sagittal saw. Surgical outcomes were compared with a preoperative virtual plan in terms of the resected bone volume, control point(More)
BACKGROUND The past years showed a considerable progress in the development of imaging and navigation systems to support minimal-invasive surgery. However, these methods do not always meet actual clinical requirements of surgeons. They often cause technical and logistic efforts and considerable costs. Purpose of our study was the development of a navigation(More)
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