Ultrasound Guidance and Display

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Ultrasound is the most common medical image, recently surpassing x-rays. Point-of-care is the fastest growing sector in ultrasound, especially anesthesiology. This growth is driven by several trends in ultrasound: miniaturization, cost-reduction, and advanced digital image processing on generic hardware. A typical use-case is to target a peripheral nerve with ultrasound, then guide a needle to that target and inject anesthesia. The problems limiting further growth are that the image quality is still often inadequate, and the point-of-care operators are novices/untrained in ultrasound. Operators still struggle with the hand-eye coordination needed to guide a needle to the target in the patient based on an often-noisy image on a bedside monitor. What is needed is a significant leap in image quality and ease-of-use for specific clinical applications. Such a leap would not only benefit point-of-care applications, but in the long term could finally open the ultrasound market to primary care physicians in neighbourhood offices. Primary care physicians comprise one third of all physicians and see 51% of all office visits, but do not widely use ultrasound due to these problems. This grant will develop methods to improve image quality in both 2D and 3D, and improve ease-of-use by projecting key information directly on the patient.