In 2008 DRDC Toronto scientists completed development of a three-dimensional (3D) ultrasound prototype that they have been working on since 2002. The prototype, which uses advanced naval sonar and radar technologies, will lead to a hand-held and field-deployable 3D ultrasound imaging device. The device can be used for front-line medical applications, including diagnosing non-visible internal injuries and locating foreign objects (e.g., shrapnel) inside the body.

The project was developed to overcome the limitations of existing two-dimensional (2D) ultrasound imaging, which displays the image of a plane cutting through the area being scanned. Operators of the 2D technology need to be highly trained and technically skillful in order to aim well to get a clear image of what they are looking for and interpret what they are seeing; even a small tilt of the sensor will fail to detect important details, such as minor internal bleeding, tissue injuries or small foreign objects. The new 3D ultrasound system is more user-friendly.
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