DI 14050X-ENGU : Ideas III ENG
DI 14050X-ENGU : Ideas III ENG 4 channels, option for Nysstar, without computer, with USB adapter
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The electronystagmography is based on the fact that there exists around the eye an electric field. The modifications induced in this electric field by eye movements are recorded by electrodes, filtered, amplified and analysed. Ideas III is the essential tool to study the various functions of balance, namely the study of the oculomotricity (ocular saccades, pursuit, optocinetic nystagmus) and the study of the vestibular system (spontaneous and positional nystagmi, rotatory tests, caloric tests). Ideas III is complementary with videonystagmography in case of the use of corrector optical is necessary. Moreover, the signal is not disturbed by the make-up on the eyelids or the nervous twitches.
Ideas III is accompanied by a powerful data-processing software which simplifies the task of the doctor. According to the performed tests, the software analyses and measures various parameters:
number of jolts or ocular movements
low phase velocity of the nystagmus
latency, phase, distorsion
symmetry or asymmetry of the response
labyrinthine paresis or hypoexcitabilities, directional preponderance of nystagmus
compare the answers opened eyes, closed eyes and measure the indices of ocular fixation
Supply: DC 4,8V by rechargeable battery
Number of channels: 2 or 4 equivalent to 1 or 2 in VNG
Modes: AC and DC
Input offset range: 100 mV
Amplification gain: form 100 to 250000
Low pass filter: 10 to 100 Hz, Bessel 8th order
High pass filter (AC mode): 1 sec.
Sampling frequency: 200 Hz
Accuracy: 0,05% (12 bits)
Isolation: 3 kV DC
Weight: 500 grams
Size: 230 x 95 x 55 mm (W x D x H)
Ideas III meets EN 60601-1 Standard and European Directive 93/42/EEC.
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