Examining the Spine in Three Dimensions

An X-ray orthopedic imaging system enables routine weight-bearing and three-dimensional (3D) examination of the spine at ultra-low radiation doses.

The sterEOS workstation is indicated for use in the revision of spine pathologies and hip and knee arthropathies, where a weight-bearing assessment is necessary to ensure optimal treatment. The EOS can capture head-to-toe images of patients in a standing, weight-bearing position with a dramatic reduction in radiation dosage, up to 10 times less than a conventional X-ray and up to 1000 times less than a CT (Computed Tomography) scan. Additionally, the sterEOS 3D reconstruction and measurement workstation is designed to reduce surgical planning time and help establish the most effective course of treatment. The sterEOS uses two simultaneously captured planar images to create a 3D image of the adult spine, which eliminates errors made from projected planar X-ray images. Additional software to address the pediatric spine has also been developed, as well as a lower extremity package for hip and knee assessment. The sterEOS workstation is a product of Biospace med (Paris, France), and has been approved by the U.S. Food and Drug Administration (FDA) and the European Community (CE Marking).

"The 3D capability of EOS will be integral to the successful surgical planning of orthopedic spine procedures and, ultimately, will also be useful for hip and knee replacement surgeries,” said Jean-Charles LeHuec, M.D., Ph.D., of the Pellegrin University Hospital (Bordeaux, France). "EOS is especially helpful in any situation where patients want to limit their exposure to radiation, and also in situations where long-length, weight-bearing images are needed. The full-length, weight-bearing imaging capabilities of EOS are able to provide physicians with a global assessment of balance and posture and now, with 3D, an assessment of the relative positioning of each vertebra, thereby enabling better preoperative assessment.”

"We believe that our ultra-low-dose EOS 3D X-ray imager may become the standard of care for indications such as spine surgery and hip and knee replacement, as well as all orthopedic therapies that require a true weight-bearing assessment in order to ensure optimal treatment,” said Marie Meynadier, Ph.D., CEO of Biospace med. "We expect the EOS low dose, 3D capability to become a new paradigm for safely and effectively imaging the spine.”

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