Technology | September 25, 2008

GE Introduces Ultrasound Fusion, Merging Logiq E9 with CT, MR, PET

GE Healthcare launched a new ultrasound system for radiology and vascular applications, the LOGIQ E9, which fuses ultrasound images with images from other imaging modalities like CT and MR.

The LOGIQ E9 includes volume navigation, a tool incorporating two key components to maximize the system’s ultrasound architecture: fusion to combine the advantages of real-time ultrasound imaging with the high spatial and contrast resolution of CT, MR or PET; and a GPS-like technology to track and mark a patient’s anatomy during the ultrasound exam.

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Volume flow as a function of color flow gain (at a single testing site). For each row the color flow c-plane and the computed volume flow are shown as a function of color flow gain. The c-plane is shown for four representative gain levels, whereas the computed volume flow is shown for 12–17 steps across the available gain settings. Flow was computed with (solid circles on the graphs) and without (hollow circles on the graphs) partial volume correction. Partial volume correction accounts for pixels that are only partially inside the lumen. Therefore, high gain (ie, blooming) does not result in overestimation of flow. Systems 1 and 2 converge to true flow after the lumen is filled with color pixel. System 3 is nearly constant regarding gain and underestimates the flow by approximately 17%. Shown are mean flow estimated from 20 volumes, and the error bars show standard deviation. Image courtesy of the journal Radiology

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