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Upon intravenous administration of SPY AGENT GREEN (indocyanine green for injection, USP), the SPY-PH System is used with SPY AGENT GREEN to perform intraoperative fluorescence angiography. The SPY-PHI System is indicated for use in adult and pediatric patients one month of age and older. The SPY-PHI System is indicated for fluorescence imaging of blood flow and tissue perfusion before, and after. vascular, gastrointestinal, organ transplant, and plastic, micro- and reconstructive surgical procedures. Upon interstitial administration of SPY AGENT GREEN, the SPY-PHI System is used to perform intraoperative fluorescence imaging and visualization of the lymphatic system, including lymphatic vessels and lymph nodes. Upon intradermal administration of SPY AGENT GREEN, the SPY-PHI System is indicated for fluorescence imaging of lymph nodes and delineation of lymphatic vessels during lymphatic mapping in adults with breast cancer for which this procedure is a component of intraoperative management.

The SPY-PHI System is a real-time white-light and near-infrared illumination/ fluorescence imaging system used during open-field surgical procedures. Near-infrared illumination is used for fluorescence imaging using SPY AGENT® GREEN for the visual assessment of blood flow, tissue perfusion and visualization of the lymphatic system, including lymphatic vessels and lymph nodes. It consists of the SPY Portable Handheld Imager/ imaging head with an integrated light guide and camera cable and the Video Processor/ Illuminator. Additionally, SPY-QP Fluorescence Assessment Software is provided as an optional upgrade to the SPY-PHI System that enables relative quantification of NIR fluorescence.