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Scanning systems that combine ultrasonic and near-infrared (NIR) laser scanning spectroscopy that are designed to provide data and images showing both the characteristics of the structure (e.g., degree of stenosis) of the blood vessels and the lipid composition of the inner layers of the vascular walls (i.e., intravascular). These systems consist of a central unit typically mounted on a cart that includes a high frequency generator, a laser source, data processors, appropriate software, and a display; the system also includes a detachable catheter with a hub at the proximal end with connectors for the ultrasound and optical output of the central unit. Intravascular ultrasonic/NIR laser scanning systems are intended to facilitate diagnosis and most appropriate treatment of vascular diseases.
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