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Grass Comet Portable EEG/PSG System

The Grass Comet Portable EEG/PSG System consists of the high response 40-channel AS40 amplifier system, a personality module with electrode inputs designed especially for PSG, and twin PSG record and review software. It can be upgraded easily to also record EEG studies.

Note: Cart and computer sold separate.

Warranty: 90 Days – Parts and Labor.

Amplifier System:

The AS40 amplifier system is designed specifically for the PSG and EEG monitoring lab.

The AS40 is a 40-channel AC amplifier unit which is expandable up to 50 channels. An optional 8-channel DC input module and pulse oximeter allow for an additional 10 channels of data. This flexibility allows for wide range of physiological parameters to be monitored and recorded.

The amplifier system provides for patient safety isolation, signal conditioning (physiological signal amplification and filtering), and digitization. Communications with a host computer are accomplished using TCP/IP protocol over a 10BaseT Ethernet network or dedicated cable. A host computer, using TWin software, sets the sample rate, starts and stops the data transmission, monitors the digital data, and stores it to hard disk.

A user interface with LCD screen is present with the amplifier. From the amplifier itself, a user is able to implement such features as electrode impedance checking, amplifier calibration, and photic stimulator control. Also from the LCD display, a user is able to obtain information such as connection status to the host computer, and oximetry/pulse rate information when an oximeter is in use.

Features

Grass Comet Portable EEG/PSG System Features

• Compact design that is rugged, lightweight, and easy to use.
• On-board analog to digital conversion for interference-free recordings.
• Connect to any PC with the on-board Ethernet connection.
• Can perform both EEG and PSG applications.
• Up to 50 total available channels.
• Integrated pulse-oximeter connection providing SpO₂ and heart rate.
• Easy, identifiable electrode input with the head and body diagram layout.
• On-board impedance checking and calibrations at the amplifier system.
• Can be mounted next to a patient bed or attached to a cart.

Configurations

Grass Comet Portable EEG/PSG System Configurations

• #MFI-GRS-COMET-PSG: (Previous Model Amplifier – PSG/Sleep): Includes the Grass Comet AS40 Amplifier, SPM PSG Personality Module with built on cable, Nonin XPOD SpO₂ Adapter, power supply, and power cord.
• #MFI-GRS-COMET-EEG: (Previous Model Amplifier – Clinical EEG): Includes the Grass Comet AS40 Amplifier, UPM EEG Personality Module with built on cable, power supply, and power cord.
• #MFI-GRS-COMET-PLUS-PSG: (Current Model Amplifier – PSG/Sleep): Includes the Grass Comet AS40-PLUS Amplifier, SPM-PLUS PSG Personality Module, Nonin XPOD SpO₂ Adapter, Amplifier Cable, power supply, and power cord.
• #MFI-GRS-COMET-PLUS-EEG: (Current Model Amplifier – Clinical EEG): Includes the Grass Comet AS40-PLUS Amplifier, UPM-PLUS EEG Personality Module, Amplifier Cable, power supply, and power cord.

Accessories

Grass Comet Portable EEG/PSG System Accessories

The following accessories are compatible and commonly purchased with the Comet Portable EEG/PSG System:

• #MFI-GRS-DCM8: Grass DCM8 DC Input Module.
• Grass 10-Key Programmable Keyboard (No longer sold by MFI Medical, although it may still be available through other vendors).
• Grass TWin Computer:
  • #MFI-GRS-TWin-Laptop: Laptop.
  • #MFI-GRS-TWin-Desktop: Desktop.
• Xltek Neuroworks Computer:
  • #MFI-XLT-XLTEK-LPTP: Laptop.
  • #MFI-XLT-XLTEK-DESK: Desktop.
  • #MFI-XLT-EMU128-DESK: Desktop with Communication Card.
• #1200: SleepSense Dynamic Snore Sensor.
• #1450-Kit: SleepSense Thermistor Flow Sensor Kit.
• #1575-Kit: SleepSense 1/8″ Plug DC Body Position Sensor Kit.
• #1770-Kit: SleepSense Limb Movement Sensor Kit.
• #8110-T100A300: SleepSense Adult Soft-Tip SpO2 Sensor – Nonin Compatible.
• #9010-Kit: SleepSense Reusable Inductive System – Adult Kit.
• #15805: SleepSense Adult Nasal Pressure Monitoring Cannula.
• Technomed Reusable EEG Cup Electrode.
• 3M Transpore Surgical Tape.
• Dynarex Stretch Gauze Bandage.
• Weaver Nuprep Skin Prep.
• Weaver Ten20 Conductive Paste.