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The Immunicon CellTracks Analyzer II is a semi-automated fluorescence microscope used to enumerate fluorescently labeled cells that are immuno-magnetically selected and aligned. The system is for in-vitro diagnostic use when used in tandem with specimen preparation equipment and reagents that are legally marketed for in vitro diagnostic use with this device.

The CellTracks® Analyzer II is a semi-automated fluorescence microscope. The product consists of the CellTracks® Analyzer II, a dedicated computer loaded with CellTracks® software, monitor, keybord and mouse. The Cell Tracks Analyzer II is for analysis of rare cells that are isolated from biological fluids including whole blood. It is used in conjunction with the CellTracks® AutoPrep System, which automates, standading wild optimizes the sample preparation with specific reagent kits. The CellTracks Analyzer II is used in conjunction with the CellTracks AutoPrep System and in vitro diagnostic reagent kits that contain a ferrofluid-based capture reagent and immunofluonescent my one of or the detection and characterization of the captured cells. The ferrofluid reagent consists of naro-partigles with a magnetic core surrounded by a polymeric layer coated with antibodies targeting the cells of partiers. After Immunomagnetic capture and enrichment, fluorescent reagents are added for identification and enumeration of the target cells. The processed reagent/sample mixture is dispensed by the CellTracks AutoPrep System into a cartridge that is inserted into a MagNest® cell presentation device. The strong magnetic field of the MagNest causes the magnetically-labeled target cells to move to the surface of the CallTracks Analyzer II sans the entire surface of the cartridge with a series of fluorescence filters that are defined for the assay. Cellimages from the filter are compiled and presented in a gallery format for final cell classification busths user.

The Immunicon CellTracks Analyzer II is a semi-automated fluorescence microscope used to enumerate fluorescently labeled cells that are immuno-magnetically selected and aligned. The system is for in vitro diagnostic use when used in tandem with specimen preparation equipment and reagents that are legally marketed for in vitro diagnostic use with this device.

The CellTracks® Analyzer II is a semi-automated fluorescence microscope. The product consists of the CellTracks® Analyzer II, a dedicated computer loaded with CellTracks® software, monitor, keyboard and mouse. The CellTracks Analyzer II is for analysis of rare cells that are isolated from biological samples. It is used in conjunction with the CellTracks® AutoPrep System, which automates, standardizes and optimizes the sample preparation with specific reagent kits. The CellTracks Analyzer II is used in conjunction with the CellTracks AutoPrep System and specific reagent kits that contain a ferrofluid-based capture reagent and fluorescent reagents for the detection and characterization of the captured cells. The ferrofluid reagent consists of nano-particles with a magnetic core surrounded by a polymeric layer coated with antibodies targeting the cells of interest. After immunomagnetic capture and enrichment, fluorescent reagents are added for identification and enumeration of the target cells. The processed reagent/sample mixture is dispensed by the CellTracks AutoPrep System into a cartridge that is inserted into a MagNest® cell presentation device. The strong magnetic field of the MagNest causes the magnetically-labeled target cells to move to the surface of the cartridge. The CellTracks Analyzer II scans the entire surface of the cartridge with a series of fluorescence filters that are defined for the assay. Cell images from the filter are compiled and presented in a gallery format for final cell classification by the user.

The intended use for the Immunicon CellTracks™ AutoPrep System is as a generalpurpose laboratory instrument used with immunomagnetic reagents that capture and enrich target cells, and labeling reagents that differentiate cells in whole blood. Cell analyzers such as the CellTracks™ Analyzer, CellSpotter™ System, flow cytometers or microscopes may be used for cell identification and enumeration. The system is for in vitro diagnostic use.

The CellTracks™ AutoPrep System is an automated sample-handling instrument that starts with a tube of anticoagulated whole blood and delivers an enriched, processed sample that is ready to analyze by flow-cytometry, fluorescent microscopy, CellSpotter™ System or by the CellTracks™ Analyzer. The AutoPrep System performs several steps, including red cell detection, plasma aspiration and filling of a sample chamber or test tube. The principal of operation relates to the addition of a ferrofluid, which has been conjugated with monoclonal antibodies that act with the system to magnetically separate the cells of interest and in subsequent steps, within the system, to add fluorescencelabeled monoclonals to further differentiate the captured cells. The first reagent added is ferrofluid, which consists of a magnetic core surrounded by a protein layer coated with antibodies for attachment to cells. Ferrofluid particles are colloidal and when mixed with a sample containing the target cells, they interact and attach to the target cells. The ferrofluid/sample mixture is placed in a strong magnetic field, which causes the labeled target cells to move to the side of the tube. The blood is aspirated, the magnetic field is removed and the cells are resuspended in a small volume of buffer and fluorescent reagents are added for the identification and enumeration of the target cells. Another magnetic separation step and resuspension is performed and the sample is now ready for analysis. The immunomagnetic enrichment process is the new technology but does not raise any new issues of safety and effectiveness.

To enumerate fluorescently labeled leukocyte subsets that are immuno-magnetically selected and aligned.

The CellTracks Analyzer is used in conjunction with reagents containing ferrofluids and fluorescent conjugates. Depending on the application, samples may be prepared manually or using the CellTracks AutoPrep Sample Preparation System. Ferrofluid consists of a magnetic core surrounded by a polymeric layer coated with antibodies for capturing cells. Ferrofluid particles are colloidal (25-100 nanometers in radius) and when mixed with a sample containing target cells, the antibodies bound to the ferrofluid bind the associated antigens to the target cells. Fluorescent reagents are added for the identification and the enumeration of the target cells. The ferrofluid/sample mixture is placed in a magnetic field (Magnest), to select and align the labeled target cells. The Magnest, containing the fluorescence-labeled magnetically aligned target cells, is placed on the CellTracks analyzer and is ready for analysis.

CellSave tubes are evacuated blood collection tubes that are designed to be used with standard phlebotomy supplies for venous blood collections. The tube contains 300µl of a solution that contains Na2EDTA and a cell preservative preservative preserves morphology and cell surface antigen expression of the epithelial cells and leukocytes. This tube may be used for monitoring of circulating epithelial cells (tumor cells) which may aid in the management of cancer patients. This tube may be used for monitoring CD3+/CD4+ T lymphocyte subsets which may aid in the management of patients with HIV/AIDS.

The CellSave™ tube is an evacuated closed glass tube for collecting, transporting and processing blood. The assembly consists of a rubber stopper, a glass tube and anticoagulant. The anticoagulant contains EDTA (disodium EDTA), polyethylene glycol and a preservative reagent.

The Immunicon CellPrep™ Sample Preparation System is a general-purpose laboratory instrument used with immunomagnetic reagents that capture and enrich target cells, and labeling reagents that differentiate cells in whole blood. Cell analyzers such as the CellTracks™ Analyzer, flow cytometers or microscopes may be used for cell identification and enumeration. The system is for in vitro diagnostic use.

The CellPrep System is a semi-automated sample-handling instrument that starts with a tube of anticoagulated whole blood and delivers an enriched, processed sample that is ready to analyze by flow-cytometry, fluorescent microscopy or by the CellTracks™ Analyzer. The CellPrep™ System performs several steps, including red cell detection, plasma aspiration and filling of a sample chamber or test tube. The user is prompted to perform various operations such as reagent addition and mixing. The principal of operation relates to the addition of a ferrofluid, which has been conjugated with monoclonal antibodies that act with the system to magnetically separate the cells of interest and in subsequent steps, within the system, to add fluorescence-labeled monoclonals to further differentiate the captured cells. The first reagent added is ferrofluid, which consists of a magnetic core surrounded by a protein layer coated with antibodies for attachment to cells. Ferrofluid particles are colloidal and when mixed with a sample containing the target cells, they interact and attach to the target cells. The ferrofluid/sample mixture is placed in a strong magnetic field, which causes the labeled target cells to move to the side of the tube. The blood is aspirated, the magnetic field is removed and the cells are resuspended in a small volume of buffer and fluorescent reagents are added for the identification and enumeration of the target cells. Another magnetic separation step and resuspension is performed and the sample is now ready for analysis.