Using a conventional diagnostic ultrasound device and a position sensing device the possibility of creating threedimensional ultrasound images has been established. The 2-D ultrasound images of a Simens Sonoline SI400 are fit together with a Silicon Graphics Graphik Workstation to build a 3-D volume dataset. The position, where the grayscale data are inserted in the virtual volume is dependent on the location of the ultrasound head at the moment of ultrasound recording.Top
An ultrasound head of a medical imaging ultrasound device is connected to a sensor of the position sensing system Optotrak from Northern Digital. The location and orientation of the sound head can then be measured by the Optotrak. The image data of the Ultrasound device are digitalized by a video card of a computer and are provided to the software together with the position information of the ultrasound sensor. In the following figure the arrangement is shown.
The ultrasound head is moved slowly across the body. The location and the ultrasound image are recorded continuously. Afterwards, the volume data set, resulted from the compound of ultrasound images, can be looked at by volume visualization techniques.Top
The following images show volume recordings of the abdominal area of a human body.Image of the kidney: