AN-Visual evoked potential meter M-800E_Henan Anhel Medical Equipment Co., Ltd

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AN-Visual evoked potential meter M-800E

AN- Visual evoked potential meter M-800E PRVEP and FVEP (visual evoked potential) are commonly used in: a. Detect subclinical lesions and determine optic neuritis, multiple sclerosis and other multi-system diseases. b. Provide objective ind...

Features
Specifications

AN-Visual evoked potential meter M-800E

AN-Visual evoked potential meter M-800E

PRVEP and FVEP (visual evoked potential) are commonly used in:

a. Detect subclinical lesions and determine optic neuritis, multiple sclerosis and other multi-system diseases.

b. Provide objective indicators for tracking changes in the condition and observing curative effects in certain neurological diseases.

c. Discover new pathophysiological abnormalities in different diseases. ...

d. Application in ophthalmology: optic neuritis, multiple sclerosis, optic nerve pathway disease, diffuse neuropathy (leukodystrophy, Parkinson's disease, Vit B12 / E deficiency, toxic optic neuropathy, neurosyphilis, Alzheimer's Disease, etc.), brain tumors, cerebral infarction, migraine, epilepsy, hysteria and blindness, objective examination of visual function, amblyopia, glaucoma, optic neuropathy and surgical monitoring.

Basic parameters

A. System composition: preamplifier, stimulation system, data processing system, trolley, power supply system and accessories
B. Trolley size (length X width X height): 750mm x 700mm x 1150mm
C. Continuous working time: ≥4 hours
D. Specific inspection plans can be customized to facilitate clinical adjustment of inspection requirements flexibly

2. Amplifier
A. Number of channels: dual-channel or four-channel with retractable cantilever
b. Input impedance: ≥2000 megohms
c. Input short-circuit noise: ≤0.4μVrms (0.1-10khz)
d. Common mode rejection ratio: ≥115dB
e. Sensitivity: 0.01μV/div-20mv/div 1mS/div-500mS/div
F. Filtering frequency: 0.1Hz-20KHz;
g. Transmission mode: photoelectric isolation, AC power supply
h. Input signal range: 1μV – 10mV

3. Recorder
a. Interface technology: USB
b. A/D conversion rate: 16Bit
c. Sampling rate: 200KHz
F. Maximum time for collecting data: unlimited time
G. Scanning time: 1ms-6s

4. Stimulator

A. Light stimulator (two types):
A1. Flash stimulator:
A1.1. Flash output: eye mask
A1.2. Left and right two flash output interfaces, can choose unilateral or bilateral simultaneous output
A1.3, brightness 0-100% adjustable
A1.4, flash duration 2-500 mS
A1.5. Maximum illuminance: 4mm away from the normal direction of the LED ≤ illuminance in the ophthalmology bright room
A2 Image stimulator (CRT):
A2.1. Image output: 43.3cm (17”) color CRT
A2.2. Field frequency: ≥60Hz
A2.3. Provide image mode flip and give/withdraw two stimulus modes
A2.4. Image brightness: level 5, approximately 0%, 20%, 40%, 60%, 100% of the maximum brightness
A2.5. Gaze point: It is located in the center of the screen by default, and can be set on/off by software
A2.6 Image type: checkerboard, vertical bar, horizontal bar
A2.7. Image size: 4*3, 8*6, 16*12, 32*24, 64*48, 128*96
A2.8, stimulus field of view: full screen, left half screen, right half screen, top half screen, bottom half screen, top, bottom, left, right 1/4 screen

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AN-Visual evoked potential meter M-800E

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