Auditory Brainstem Response System, Model 2001-9760 or equal. GSI Audera 2 ch Desktop System (115V) W/Desktop Computer. 1 ea Specification: Auditory Steady State Responses: Can be reliable recorded in sleeping neonates and children. Are evoked by frequency specific tonal stimuli. Can be detected objectively using statistical algorithms. Thresholds that are highly correlated with behavioral audiogram thresholds. Can be used to estimate the behavioral pure tone audiogram. All ASSR information is shown in a single display. Continuous live display allows you to easily monitor the ongoing EEG signals. Electrode attachment integrity can be assessed with one-button, on-screen impedance measurement. Evoke the ASSR with AM/FM modulated tonal stimuli for the 250 ? 8k Hz frequency range. Objective ASSR detection using patented algorithms eliminates tester subjectivity and provides quality control. ASSR thresholds can be measured to 5dB accuracy. The behavioral audiogram is estimated using patented algorithms, and a confidence interval is calculated for each threshold. With one click on a button, change quickly between displaying individual trail results. ASSR threshold plots, and estimated audiograms. Preview reports on screen and print them in full size single page format in black and white or color. Audera also records other auditory evoked potentials. Can assess both cochlear and retro-chcolear function with these additional AEP testing capabilities: Electrocochleography (ECochG). Auditory Middle Latency Responses (AMLR). Long Latency on Cortical Responses (LLR). AEP Software features includes: Click, tone pip and tone burst stimuli with contralateral masking available. No predefined limits on number of waveforms displayed. Multiple panels of wave forms displayed simultaneously. Continuous live display of ongoing input signals. Waveforms color-coded for ear of stimulation and amplifier recording channel. Multiple sets of test settings of protocols. Built in, one button electrode impedance measurement. Audera Main Unit: Separate output jacks for left, right, and bone transducers, and a free field speaker output eliminated time wasted switching between transducers. Built in mains isolation transformer for safety provides isolated power for a notebook computer and an inkjet printer. Standard USB interface connects to virtually all of the latest computers. High speed serial interface connects to the Audera digital amplifier subsystem. Audera Digital Amplifier Subsystem. Small size and weight facilitates convenient placement near the patient. Full two channel capability for ispilateral/contralateral ABR recordings. Isolation for patient safety. Digital connection to main unit minimizes interference from external noise sources. Built in impedance measurement with LED readout at the amplifier minimized preparation time. Audera?s Standard TIP 50 insert Transducers. Foam tip of various sizes eliminate the problem of collapsing ear canals. Soft 2.5 and 3 mm tips included for tiny infant canals. Silicone tubes create an acoustic delay, minimizing the click stimulus artifact in ABR recordings. Stimuli are cablibrated in dB HL for ASSR testing and in dB aHL for AEP. Calibration data is provided for each transducer set. Audera is compatible with most personal computer: 32 bit application software operates in several versions of Windows. Operates with display resolution of 1024 x 768 or higher. Uses standard Windows drivers for printing on the device of your choice. Patient database can be backed up on most Window compatible archiving devices. Desktop Audera. The desktop audera offers a large flat-panel display and computer expansion slots for potential additional usage. Add the optional care for greater convenience.

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