Optical topography system for non-invasive cerebral blood flow monitoring

Hitachi Medical Systems presents the ETG-4100 optical topography system designed
to offer a safe and user-friendly tool for non-invasive monitoring of cerebral
blood flow. Available in Australia from Scitech, the ETG-4100 uses near-infrared
spectroscopy (NIRS) for the investigation of blood flow in the brain. The
mobile system can be used in clinical and research environments in the areas of
cognitive neuroscience, psychology, psychiatry, neurology, rehabilitation, paediatrics
and education.

The ETG-4100 optical topography system uses the specific absorbance of
near-infrared light by haemoglobin to precisely monitor cerebral blood flow. It
transmits near-infrared light through the skull to the cerebral cortex where
the light is absorbed by haemoglobin. Changing concentrations in haemoglobin
can then be determined to pinpoint activated brain areas in the cerebral

This technology allows users to get a close look at the working brain
like never before by exploiting the different absorption spectra of oxygenated
and deoxygenated haemoglobin in the near-infrared region of light. The ETG-4100
optical topography system opens a new window to the secrets of the human brain.

Key features of the ETG-4100 optical topography system include a wide
range of fibre holders for simultaneous monitoring of several independent brain
areas with a capacity of 24 – 52 channels; user-friendly plug-in and go system offering
the portability needed to be easily moved from room to room and quickly set up;
and extremely user-friendly and efficient on-screen user interface and wide-screen
monitor providing a clear view of in-vivo- and analysed data.

For more information, please visit the Scitech
website www.scitech.com.au or call (03) 9480 4999.

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