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Fan-Beam Technology...a HOLOGIC Innovation

Fan-beam bone densitometers evolved from pencil-beam DXA technology, developed by HOLOGIC in 1987. Fan-beam systems emit dual-energy (alternating high and low), low-dose X-rays, which sweep across a region of interest in a fan-shaped pattern and are detected by a high resolution multi-detector array to form a high-quality image. HOLOGIC's fan-beam bone densitometers image across the entire width of a region of interest, eliminating the need to scan in a rectilinear pattern as required by pencil-beam systems; so they can scan faster...and without compromising precision or safety.



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