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510(k) Data Aggregation
(269 days)
Immunoglobulin Isotypes (GAM) for the EXENT Analyser:
The Immunoglobulin Isotypes (GAM) for the EXENT Analyser is a MALDI-TOF mass spectrometry immunoassay that is used in conjunction with the Binding Site Optilite IgG, IgA and IgM assays for the semi-quantitative in vitro measurement of monoclonal IgG, IgA, and IgM as a reflex test in serum for patients with a result suggestive of the presence of monoclonal immunoglobulins by serum protein electrophoresis (gel or capillary zone electrophoresis), or with an abnormal serum free light chain concentration and free light chain ratio result.
The assay is intended for use as an aid in the evaluation of monoclonal gammopathy of undetermined significance (MGUS); and as an aid in the diagnosis of smouldering multiple myeloma (SMM), multiple myeloma (MM), Waldenström's macroglobulinaemia, and AL amyloidosis.
Assay results should be used in conjunction with other laboratory and clinical findings.
EXENT Analyser:
The EXENT Analyser is an automated analyser intended for the qualitative and quantitative in vitro measurement of analytes in human body fluids used in conjunction with the EXENT assays. The device is designed for professional in vitro diagnostic use only and it is not a device for self-testing.
The system consisting of the EXENT® Analyser and the EXENT® assays are intended for the in vitro measurements of analytes in human body fluids. It is designed to provide automation and integration of all the analytical steps (including liquid handling and MALDI-ToF mass spectrometry). The EXENT Analyser is designed to be used solely in combination with EXENT assays to measure a variety of analytes depending on the reagents. The device is designed for professional use only and it is not a device for self-testing.
The EXENT Analyser combines automated immunoassay with readout by MALDI-ToF mass spectrometry. It is a modular analyser, and the major components are described in Table 3 and illustrated schematically in Figure 1.
| Component | Description | Function |
|---|---|---|
| EXENT-iP® 500 | Automated liquid handler | Preparation of patient samples by magnetic bead immunoprecipitation assays for subsequent analysis by MALDI-ToF Mass spectrometry |
| EXENT-iX® 500 | MALDI-ToF mass spectrometer | Analysis of prepared patient samples by MALDI-ToF mass spectrometry |
| EXENT-iQ® software | Workflow and data management software | Management of the workflow between the EXENT-iP500 and EXENT-iX500 instruments. Data management including processing and results release. |
The EXENT-iP500 component is an automated liquid handler that prepares human body fluids using the EXENT assay specific reagents. The samples are prepared using magnetic beads that are coated with isotype-specific antibodies. Any unbound material is washed away during the sample preparation process. The EXENT-iP500 also manages the transfer of the prepared patient sample to the MALDI plate.
The EXENT-iX500 component is a MALDI-ToF mass spectrometer. Signals are produced by ionizing the compound or biological material under investigation and separating the resulting ions by means of an electrical and magnetic field according to their mass-to-charge ratios. The EXENT-iX500 is used to read samples prepared by the EXENT-iP500.
The EXENT-iQ software integrates sample preparation and MALDI-ToF mass spectrometry and is used for data storage and processing. It is the primary user interface used by the user to review and release results.
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