Martin Bublat

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MRI information is widely used for the monitoring of thermal therapies, such as laser-induced interstitial thermotherapy (LITT). However, a detailed knowledge about the relationship between time/temperature exposure and resulting tissue thermal damage is needed to estimate the lesion extent. The aims of this work were to model the thermal response of(More)
BACKGROUND AND PURPOSE We evaluated an advanced concept for patient-based navigation during minimally invasive neurosurgical procedures. METHODS An infrared-based, off-line neuro-navigation system (LOCALITE, Bonn, Germany) was applied during operations within a 0.5 T intraoperative MRI scanner (iMRI) (Signa SF, GE Medical Systems, Milwaukee, WI, USA) in(More)
A fast, robust, accurate, and automatic registration technique based on magnetic resonance (MR) active microcoils (active markers) for registration of tracked medical devices to preprocedural MR-images is presented. This allows for a straight-forward integration of position measurement systems into clinical procedures. The presented method is useful for(More)
One of the major problems in neurosurgery is to find an optimal access route towards the area of interest, e.g., a lesion to be treated chirurgically. The quality of a route depends on the type of pathology to treat, its location, the functional areas surrounding it and many other aspects. The overall goal of route optimization is of course, to treat the(More)
PURPOSE To present an advanced concept for patient-based navigation and to report on our first clinical experience with interventions in the cranium, of soft-tissue structures (breast, liver) and in the musculoskeletal system. MATERIALS AND METHODS A PC-based navigation system was integrated into an existing interventional MRI environment.(More)
Zusammenfassung. Mit Hilfe interventioneller Kernspintomographen ist es möglich, intraoperative Bilddaten zu erzeugen. Durch den Vergleich dieser Bil der mit präoperativen Aufnahmen ist der Chirurg in der Lage, den Operations verlauf mit dem geplanten Vorgehen abzugleichen. Der von uns entwickelte LOCALITE Navigator ist nicht nur in der Lage, Bilder in(More)
Medical imaging permits high precision minimally invasive interventions even in very delicate situations but leads to complex medical procedures not easily applied in a hospital setting. The LOCALITE Navigator is an interactive navigation system that comprises state-of-the art registration and visualization of multimodal medical images for minimally(More)