Abstract
A visual navigation system (VN) was developed which uses intraoperatively stored endoscopic
images together with their specific 3D-address. A special calibration enables one
to recalculate the distortion of the endoscopic images. Several modules (e. g., landmark
tracking, virtual back-movement) are offered to the neurosurgeon. The system was tested
in 12 human subjects during neuroendoscopic interventions and worked without problems
in nearly all cases. The possibilities of digital image navigation can be used especially
for control of instrument movement in case of red-out situations or blurred vision.
Many further developments of the VN system are possible in order to increase the safety
of neuroendoscopic interventions.
Key words
Neuroendoscopy - neuronavigation - image-guided surgery
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PD Dr. med. Martin Scholz
Neurochirurgische Universitätsklinik · Knappschaftskrankenhaus
In der Schornau 23-25
44892 Bochum
Germany
Phone: +49/234/299/0
Fax: +49/234/299/3609 ·
Email: martin.scholz@ruhr-uni-bochum.de
