The XV Lung Ventilation Analysis Software is a software-based image processing technology that analyzes cinefluorograph images in combination with a CT image to quantify ventilation of pulmonary tissue, thereby providing support to physicians in their assessment of patients with lung diseases.The XV Lung Ventilation Analysis Software measures the tissue motion of the lung, at all locations throughout the lung, and at all phases of the breath. It uses these motion measurements to calculate the 4-dimensional (4D) ventilation of lung tissues. Quantification and statistics are provided in the form of a Report.The key outputs are:• The tidal volume (i.e. total lung ventilation), presented as a single value;• Visualization of lung ventilation with color-defined specific ventilation ranges;• The heterogeneity of lung ventilation, presented as three values; and• Ventilation graph/ histogram of the classified lung voxel’s relative frequencies including ventilation defect percentage.
An application software program intended to add specific image processing and/or analysis capabilities to an x-ray computed tomography (CT) imaging system; it is not dedicated to radiotherapy treatment planning. A basic set of applications programs and routines are included with such computer-controlled imaging systems and they can be upgraded to correct programming errors or to add new system capabilities. Some applications software routines or groups of routines must be combined with specific hardware or firmware accessories or configurations in order to function as intended. Applications program packages are typically identified by a proprietary name and version or upgrade number.
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