... during operation. In order to locate the lesion within an external reference frame, the patient space and the image space have to be registered together using a fiducial markers set placed by the surgeon on the skin of the patient’s skull. biomedical MRI brain models computerised tomography...

... metallic coils seem to be about 30% with traditional coils and about 40% with complex-shaped coils, with balloon- or stent-assistance providing an additional 5–10% absolute increase ( 6 7 10 ). endovascular coiling coil geometry spiral loop spherical helix biomedical equipment brain...