Comparison of a novel real-time SonixGPS needle-tracking ultrasound technique with traditional ultrasound for vascular access in a phantom gel model

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Comparison of a novel real-time SonixGPS needle-tracking ultrasound technique with traditional ultrasound for vascular access in a phantom gel model Daniel S. Kopac, MD, FRCSC, Jerry Chen, MD, FRCSC, Raymond Tang, MD, FRCPC, Andrew Sawka, MD, FRCPC, Himat Vaghadia, FRCPC Journal of Vascular Surgery Volume 58, Issue 3, Pages 735-741 (September 2013) DOI: 10.1016/j.jvs.2013.03.007 Copyright © 2013 Society for Vascular Surgery Terms and Conditions

Fig 1 Out-of-plane with guidance positioning system (GPS): The simulated vessel is seen in the short axis and the needle tip is seen within the target. Based on the needle trajectory, an “X” is displayed onscreen where the needle will intersect the ultrasound plane. The “X” changes from white to green when the needle tip intersects the ultrasound plane. The needle position is indicated by the red silhouette and the projected path in green. On the bottom right, the footprint of the transducer is displayed with the relative needle position. Journal of Vascular Surgery 2013 58, 735-741DOI: (10.1016/j.jvs.2013.03.007) Copyright © 2013 Society for Vascular Surgery Terms and Conditions

Fig 2 In-plane ultrasound view with guidance positioning system (GPS): The simulated vessel is seen in the long axis and the needle is seen entering the target with the needle tip just beyond the posterior wall. The SonixGPS provides information on needle position indicated by the red silhouette and the projected path in green. On the bottom right, the footprint of the transducer is displayed onscreen with the relative needle position. Journal of Vascular Surgery 2013 58, 735-741DOI: (10.1016/j.jvs.2013.03.007) Copyright © 2013 Society for Vascular Surgery Terms and Conditions

Fig 3 Modified NASA Task Load Index (NASA-TLX) questionnaire. GPS, Guidance positioning system; U/S, ultrasound. Journal of Vascular Surgery 2013 58, 735-741DOI: (10.1016/j.jvs.2013.03.007) Copyright © 2013 Society for Vascular Surgery Terms and Conditions