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Virtual Grid Provides Flexibility in High-Quality Imaging

By Daniel Beris
Posted on 09 Dec 2016
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Image: The FDR D-EVO GL detector with virtual grid (Photo courtesy of Fujifilm).
Image: The FDR D-EVO GL detector with virtual grid (Photo courtesy of Fujifilm).
A new extra-long panel detector with virtual grid image processing is designed to capture long-length digital images in a single exposure.

The Fujifilm (Tokyo, Japan) FDR D-EVO GL detector features a 43 x 125 cm field of view, offering a wide format that helps improve patient safety and lower radiation dose, thanks to fewer repeat exposures resulting from anatomy cutoff. Image capture is instant, with 86-125 cm long images displayed in just 18-24 seconds, whereas with computed radiography (CR), additional time is needed for processing the cassettes and imaging plates.

The virtual grid image processing can be used for all body parts (except for breast imaging), and simplifies patient positioning by eliminating heavy grid caps and by making the detector more comfortable behind the patient. Virtual Grid also automatically adapts image processing to replicate physical grid use, enhancing image contrast at the same time; it also offers automated, selectable grid characteristics to further adapt to site preferences.

Depending on the exam type and patient, FDR D-EVO GL with Virtual Grid can produce images with contrast and clarity comparable to radiographic exams performed using a physical grid, while requiring as little as half the dose. And when compared to multiple exposure conventional long length digital radiography (DR) imaging, the GL's single exposure improves processes of care and simplifies exam time, improving patient experiences.

“Fujifilm's FDR D-EVO GL detector with Virtual Grid allows technologists to efficiently acquire long-length exams with a single low dose DR exposure, generating high quality images without a grid, with as much as 50% lower dose than grid exams,” said Rob Fabrizio, director of digital x-ray at Fujifilm Medical Systems North America. “The acquisition speed and dose savings particularly benefits routine patients in acute postoperative pain and pediatric scoliosis patients on whom these tests are performed recurrently.”

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