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SYSTEM OVERVIEW
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Multitasking:
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Simultaneous, acquisition, processing, display, saving, reviewing and printing or faxing of data.
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Multimodality:
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Simultaneous monitoring of EEG, evoked potentials, or EMG.
Automated pedicle screw test procedure.
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Interleaving:
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Up to16 stimuli per test.
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Sets:
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Up to 8 multimodality sets (subtests) can be defined within a test protocol. Sets may be sequenced on grand average or time duration.
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Data presentation:
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Data are displayed in Areas in 5 windows: Traces, Stack, Spectral, Trend, Numerics. Areas may be split, windows resized and both windows and areas may be zoomed. Traces may be repositioned within areas.
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Traces:
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64/modality or 128 total |
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Vital signs:
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Import up to 16 physiological measures using serial data link.
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Pulse Oximeter:
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Built-in, Oxygen saturation/Heart rate |
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Monitor window:
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Displays current values of selected measurements, electrical stimulator patient current, vital signs, dual synchronized video recording and playback or comment history.
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Parameters window:
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Displays key test’s parameters, which can be quickly changed during the test.
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Data review:
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Previously saved data can be reviewed while monitoring. Review data locally or remotely via network, modem or Internet. Select data by comment or time slider.
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Data playback:
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Playback saved data by EP grand average, raw EEG, EMG or signal triggered response.
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Data Recovery:
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Automatic recovery of data after power or system failure.
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Impedance test:
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Manual or automatic with visual and audible warnings.
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Test protocols:
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Standard test protocols are provided and can be modified and saved by user.
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Comments:
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Preset and free form text entry saved with time marks.
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| DIGITAL PREAMPLIFIER
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Channels:
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8, 16 or 32 (2 Digital Preamplifiers)
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Active inputs:
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32 per Digital Preamplifier
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Noise:
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20 nV/ root Hz, < 2.0 uV p-p (0.2 – 200 Hz)
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CMRR:
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> 100dB @ 10Hz
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Bandwidth:
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0.20 Hz – 4 KHz
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Environmental:
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Splash-proof design
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| EVOKED POTENTIAL MONITORING
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Modes:
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BAEP, AEP, SSEP,SEP, VEP, MEP
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Averaging:
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Manual or auto resetting Grand averaging. Linear or exponentially weighted moving averaging
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Traces:
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Up to 64
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Trace display:
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Current sweep, building average, last average, odd/even averages, up to 3 replications and baselines per trace, average of last 3 replications.
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Baselines:
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Installed independently by trace
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Markers:
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Up to 8 per trace.Manual and automatic placement.
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Marker measurements:
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Latency, amplitude, interpeak latency and amplitude, area-under-the-curve.
Ratio and difference between current and/or baseline markers
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EEG MONITORING
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Traces:
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Up to 64
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Processing:
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Absolute and relative power, rms voltage, mean and peak frequency, asymmetry and coherence in 8 user defined bands, burst suppression index, spectral edge freq.
Compressed
, Densi
ty and Color Spectral arrays.
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EMG MONITORING
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Traces:
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Up to 64
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Collection:
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Continuous, free running and signal and/or stimulus triggered.
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Audio output:
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Selectable; any or all EMG channels.
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Signal trigger tones:
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Unique frequency tone identifies highest amplitude signal trigger trace.
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Muting:
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Automatic muting of electrocautery noise using Mute Probe or dedicated Mute Trace.
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STIMULATION GENERAL
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Modes:
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Repetitive, non-repetitive
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Interleaving:
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Up to 16 stimuli
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Stimulus rate:
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0.01 – 100 stim/sec
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Train rate:
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1 – 500 Hz
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Train count:
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2 – 200
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ELECTRICAL HIGH LEVEL |
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Output sites:
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8 sites/extender.Up to 2 stim extenders/system.
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Stimulus mode:
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Single, train, pair, unilateral, bilateral
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Stimulus type:
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Constant current or voltage
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Polarity:
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Normal, Inverse, Biphssic
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Duration:
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0.100 – 0.500 msec
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High Intensity:
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0 – 100 mA in 1 mA steps, 400 V max;
0 – 400 V in 1 V steps into 4K Ohm load.
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TCeMEP STIMULATION
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Output sites:
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2 sites/extender.Up to 2 extenders/system.
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Stimulus modes:
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Train, single, unilateral
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Stimulus type:
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Constant voltage
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Polarity:
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Normal
, inverse, biphasic
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Duration:
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Slow charge: 0.100 – 0.350 msec
Fast charge: 0.050 - 0.075 msec
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High Intensity:
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Slow charge: 0 – 600 V in 1 V steps into 3.4K Ohm load., 175mA max
Fast charge: 0 - 1000 V in 1V steps into 1.0K Ohm load, 1000 mA max
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ELECTRICAL LOW LEVEL |
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Output site:
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1
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Stimulus modes:
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Single, train
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Stimulus type:
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Constant current or voltage
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Polarity:
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Normal, inverse, bi-phasic
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Duration:
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0.05 – 0.5 msec
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Intensity:
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Low level: 0 – 4.0 mA/Vin 0.01 mA/V steps, 40 V max
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AUDIO |
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Stimulus Modes:
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Left, right or binaural.Single or train.
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Type:
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Tone burst, click.
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VISUAL |
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Stimulus Modes:
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Left, right or binocular.Single or train.
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Flash duration:
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1-10 msec
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| EXTERNAL STIMULUS TRIGGER OUTPUT |
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Output sites:
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2
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Stimulus mode:
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Single, train, unilateral or bilateral
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SYSTEM ARCHITECTURE |
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Central CPU:
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Pentium IV, 1.8+ GHz, 512+ MB RAM
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Operating system:
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Windows XP
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Platform
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Desktop or Laptop Portable
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Graphics resolution:
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Min 1024 X 768
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Display size:
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Desktop: 15”, 17”, 19” or 21”
Portable: 15” min TFT LCD display
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VOLUNTARY REGULATORY STANDARDS
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Industry:
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Meets or exceeds American Electroencephalograph Society guidelines for intraoperative monitoring.
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Electrical:
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EN13485, UL2601, IEC 601-1, NRTL, CSA, CE.
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Note: Specifications subject to change without notice.
