Methods for intraoperative, sterile pose-setting of patient-specific microstereotactic frames

Benjamin Vollmann; Samuel Müller; Dennis Kundrat; Tobias Ortmaier; Lüder A. Kahrs

doi:10.1117/12.2082066

18 March 2015 Methods for intraoperative, sterile pose-setting of patient-specific microstereotactic frames

Benjamin Vollmann, Samuel Müller, Dennis Kundrat, Tobias Ortmaier, Lüder A. Kahrs

Proceedings Volume 9415, Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling; 94150M (2015) https://doi.org/10.1117/12.2082066
Event: SPIE Medical Imaging, 2015, Orlando, Florida, United States

Abstract

This work proposes new methods for a microstereotactic frame based on bone cement fixation. Microstereotactic frames are under investigation for minimal invasive temporal bone surgery, e.g. cochlear implantation, or for deep brain stimulation, where products are already on the market. The correct pose of the microstereotactic frame is either adjusted outside or inside the operating room and the frame is used for e.g. drill or electrode guidance. We present a patientspecific, disposable frame that allows intraoperative, sterile pose-setting. Key idea of our approach is bone cement between two plates that cures while the plates are positioned with a mechatronics system in the desired pose. This paper includes new designs of microstereotactic frames, a system for alignment and first measurements to analyze accuracy and applicable load.

Citation Download Citation

Benjamin Vollmann, Samuel Müller, Dennis Kundrat, Tobias Ortmaier, and Lüder A. Kahrs "Methods for intraoperative, sterile pose-setting of patient-specific microstereotactic frames", Proc. SPIE 9415, Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling, 94150M (18 March 2015); https://doi.org/10.1117/12.2082066

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