Publications (5)1.29 Total impact
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Article: New strategies for high precision surgery of the temporal bone using a robotic approach for cochlear implantation.
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ABSTRACT: The aim of the study was to demonstrate a collision-free trajectory of an instrument through the facial recess to the site of planned cochleostomy guided by a surgery robot. The indication for cochlear implantation is still expanding toward more substantial residual hearing. A cochleostomy as atraumatic as possible will influence the preservation of inner ear function. The employment of a highly precise instrument guidance using a robot could represent a feasible solution for a constant reproducible surgical procedure. Screw markers for a point-based registration were fixed on a human temporal bone specimen prepared with a mastoidectomy and posterior tympanotomy. A DICOM dataset has been generated thereof in a 64-multislice computer tomography (CT). A virtual trajectory in a 3D model has been planned representing the path of instrumentation toward the desired spot of cochleostomy. A 1.9-mm endoscope has been mounted onto the robot system RobaCKa (Staeubli RX90CR) to visualize this trajectory. The target registration error added up to 0.25 mm, which met the desirable tolerance of <0.5 mm. A collision-free propagation of the endoscope into the tympanic cavity via the facial recess has been performed by the robot and the spot of cochleostomy could be visualized through the endoscope. Using a DICOM dataset of a high-resolution CT and a robot as a positioning platform for surgical instruments could be a feasible approach to perform a highly precise and constant reproducible cochleostomy. Furthermore, it could be a crucial step to preserve substantial residual hearing in terms of expanding the indications for cochlear implantation.Archives of Oto-Rhino-Laryngology 10/2008; 266(7):955-60. · 1.29 Impact Factor -
Conference Proceeding: Ein automatisches Registrierungsverfahren für intraoperative CT-Bilddaten.
Bildverarbeitung für die Medizin 2004, Algorithmen - Systeme - Anwendungen, Proceedings des Workshops vom 29. bis 30. März 2003 in Berlin; 01/2004 -
Conference Proceeding: Evaluating intraoperative rigid-body registration with the AWIGS system.
CARS 2004. Computer Assisted Radiology and Surgery. Proceedings of the 18th International Congress and Exhibition, Chicago, USA, June 23-26, 2004; 01/2004 -
Conference Proceeding: Robot-assisted milling of complex trajectories.
CARS 2004. Computer Assisted Radiology and Surgery. Proceedings of the 18th International Congress and Exhibition, Chicago, USA, June 23-26, 2004; 01/2004 -
Conference Proceeding: Intraoperative registration of computed tomography images using the AWIGS System.
CARS 2003. Computer Assisted Radiology and Surgery. Proceedings of the 17th International Congress and Exhibition, London, June 25-28, 2003; 01/2003
