EOS: an appropriate imaging alternative that reduces radiation exposure!

 | Post date: 2021/09/27 | 
The EOS™ X-ray machine, based on a Nobel prize-winning invention in physics in the field of particle detection, is capable of a simultaneous capture of biplanar X-ray images by slot scanning of the whole body in an upright, physiological load-bearing position, using ultra-low radiation doses. The simultaneous capture of spatially calibrated anterioposterior and lateral images provides a three-dimensional (3D) surface reconstruction of the skeletal system using a special software. Parts of the skeletal system in X-ray images and 3D-reconstructed models appear in true 1:1 scale for size and volume, thus spinal and vertebral parameters, lower limb axis lengths and angles, as well as any relevant clinical parameters in orthopaedic practice can be very precisely measured and calculated. Visualisation of 3D reconstructed models in various views by sterEOS 3D software enables presentation of top view images to help analyse rotational conditions of lower limbs, joints and spine deformities in the horizontal plane, providing revolutionary novel possibilities in orthopaedic surgery, especially in spine surgery.
During an EOS exam, the patient stands or sits in an upright position inside a special scanning cabin. Two very narrow X-ray beams – one vertical, one horizontal – scan entire body to create 2D and 3D images of the spine and joints.
Unlike traditional X-ray imaging, where the patient may have to be repositioned to get views from different angles, these two simultaneous scans provide all the imaging necessary. Capturing frontal and lateral (side-view), full-body images takes less than twenty seconds. If a full-body image is not necessary (such as for a knee condition), the EOS system can be set to scan a particular region of the patient’s anatomy.
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