Background Brain-shift is a major source of error in neuronavigation systems based on pre-
operative images. In this paper, we present intra-operative correction of brain-shift using 3D …

Medical imaging plays an important role in patients' care and is continuously being used in
managing health and disease. To obtain the maximum benefit from this rapidly develo** …

Within the field of ultrasound-guided procedures, there are a number of methods for
ultrasound probe calibration. While these methods are usually developed for a specific …

Purpose: Treatments like radiotherapy and focused ultrasound in the abdomen require
accurate motion tracking, in order to optimize dosage delivery to the target and minimize …

Purpose: Surgical navigation based on preoperative images partly overcomes some of the
drawbacks of minimally invasive interventions-reduction of free sight, lack of dexterity and …

Purpose: Electromagnetic based navigated bronchoscopy using preoperative CT images
has reached the clinic during the last decade. One of the challenges is the “CT to patient …

Purpose Inaccurate placement of external ventricular drains (EVDs) is a common issue in
cerebrospinal diversion procedures. The conventional freehand technique results in a high …

One of the main limitations of today's navigation systems for spine surgery is that they often
are not available until after the bone surface has been exposed. Also, they lack the …

Most people experience back pain at some point in their life. While most of these conditions
are treated nonoperatively, surgical treatment has been shown to be both effective and cost …