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Oxymon MKIII

MANUFACTURER Artinis Medical Systems (manufacturer's website)
MODEL Oxymon Mk III
ACRONYM NIRS
AVAILABILITY By prior arrangement as it is heavily used
CONTACT 1 External enquiries: Martine Dobson - Funding, Development & Support
CONTACT 2 Internal enquiries: Tony Dickson, Principal Technician
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SITE Harris Site

Description

The Oxymon Mk III is a user-friendly, and flexible near infrared spectroscopy system.

The main characteristics of this highly advanced research tool are:

  • Measures oxy-, deoxy-, and total haemoglobin concentration changes and optionally absolute concentrations and tissue saturation index.
  • Stable, versatile and highly sensitive
  • Various configurations, from 1 to 96 channels
  • Fast data collection at 50 Hz as standard - up to 250 Hz is possible!
  • No need to screen against ambient light
  • The light detector cannot be damaged by ambient light
  • Raw data (optical densities) easily accessible
  • Standard configuration with two wavelengths per channel, up to 6 wavelengths is possible
  • Data recording via PC using a free USB bus
  • Simultaneous capture of other (physiological) data
  • Compact, rugged, and portable device
  • Can be used in hostile environments such as high altitudes and the Antarctic
  • Unlimited data storage

Specification

  • Technology – Continuous wave near infrared spectroscopy using modified Lambert-Beer Law
  • Measures – Changes in oxy- and deoxyhemoglobin and optionally regional tissue saturation index (TSI) using spatially resolved spectroscopy
  • Operating Systems – Windows XP, Vista or 7, with at least USB 1.1
  • Channels - Between 1 and 96, depending on configuration and splitting of fibres. Maximum configuration is 2 x4 cabinets with 8 transmitter/ 8 receiver. Minimum is 1 cabinet with 1 transmitter/ 1 receiver.
  • Light Source – Temperature stabilized pulsed laser sources (Class 1 according to IEC – 60825-1, safety of lasers)
  • Wavelengths – Standard nominal 765 and 855 nm, others possible
  • Detector(s) – Temperature stabilized and cooled avalanche photo diode with ambient light protection
  • Sampling time- From 0.1 Hz to 50 Hz (up to 250 Hz optional)
  • Noise - 0.001 standard deviation in optical density at a total of 6 optical densities at 10 Hz measurement frequency
  • Storage – Real-time, unlimited data storage
  • External inputs – Optional are 8 additional analog data inputs at 50 Hz (up to 250 Hz optional), +/- 4 Volt
  • Optode fibres – Standard 3 meter, lengths up to 10 meter available
  • Optode holders – Standard with multiple distances for muscle or head, multi-channel generally customer specific
  • Optode distance – Depending on application. Frontal head with brain device up to 6cm possible with arterial pulsation still visible. For fNIRS 3 – 4 cm is recommended.
  • Upgrades – The instrument can easily be upgraded
  • Power – Auto sensing 110-240V, approx. 40 Watt
  • Dimensions – Weight 7 to 8 kg, WxDxH: 37x30x9 cm
  • Environment – Operating temp. 10-27 C, both source and detector temperature stabilized, altitude 0-5750 m
  • Interference – With NMR compatible fibres the instrument can be used inside the MRI. EEG/ECG does not interfere the optical signal

Item ID #96.

Last Updated: 9th November, 2016

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