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The Neuron-Spectrum-AM system with Neuron-Spectrum.NET software is intended for use as a digital neurophysiological system for recording, processing, and displaying biopotential signals such as Electroencephalography (EEG) and Polysomnography (PSG) derived from Electroencephalography (EEG) by the means of a dedicated software module and dedicated electrodes. The device is portable and can register up to 21 EEG channels, 4 polygraphic channels, and 1 direct current channel. The device does not provide alarms, does not provide automated event marking and does not provide to the user any diagnostic conclusion about the patient's condition. They are in patient care institutions, diagnostics centers, neurosurgical hospitals, experimental laboratories. The device can also be used as a home use device under supervision of qualified personnel. The patient group includes all ages and sexes.

The Neuron-Spectrum-AM with Neuron-Spectrum.NET Software (Subject device) is an ambulatory wireless digital neurophysiological device capable of recording, processing, and displaying electroencephalography (EEG), video EEG, long-term monitoring (LTM), and polysomnography (PSG) biopotential signals. As listed in Table 1, The NS-AM device comprises an Electronic Unit, a Battery Adaptor, an External Rechargeable Battery Bank, a Carrying Pouch and the Neuron-Spectrum.NET desktop application software. The Neuron-Spectrum.NET Software application was cleared in the Predicate's 510(k) submission (K133995). The Subject device supports up to 21 EEG channels, 4 wide-band polygraphic channels, 1 breath channel, and 1 direct current channel for a total of 27 analog input channels. The Electronic Unit acquires, records and transmits biopotential signals such electroencephalography (EEG) and polysomnography (PSG). The built-in 2.4GHz Wi-Fi radio allows real-time transfer of the collected biopotential signals to the computer running the Neuron-Spectrum.NET software. The biopotential signals are also recorded onto a removable SD memory card as back up for later post analysis. The Electronic Unit includes a front panel ON/OFF power button, a light sensor and a User Interface (UI). The UI consist of a liquid crystal display and three menu navigation buttons. Figure 4 shows the UI main functions. The Electronic Unit can be powered by replaceable internal AA batteries or by the External Rechargeable Battery Bank. The Electronic Unit and the External Rechargeable Battery Bank reside side-by-side inside the Carrying Pouch. The pouch is strapped and worn over the patient clothing while in use. The Neuron-Spectrum.NET software is a computer application that receives, records, processes, and displays the biopotential signals collected by the electronic unit on the PC display. The main operations provided by the Neuron-Spectrum.NET software are: - EEG Acquisition - · EEG Review, Editing, Storing, Exporting. - EEG Analysis - Creation of Exam Reports - · Program Setup The electronic unit measures (141 H x 96 W x 36 D) mm and weighs about 270 grams. The External Rechargeable Battery Bank unit measures (165 H x 106 W x 25 D) mm and weighs about 570 grams. The combined weight for the electronic unit, the battery adaptor and the External Rechargeable Battery Bank is approximately 880 grams.