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Danish international auditory evoked potential
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Danish international auditory evoked potential

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Retail price:
47456.0
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Market price:
66735.0
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Number:
ABR+ASSR
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Product description
parameter

The interface is intuitive and easy to operate. Eclipse integrates a variety of clinically relevant auditory evoked potential tests, and the number of test types is ahead of similar devices. The objective auditory test platform perfectly combines the flexibility of parameter adjustment with the friendliness of user operation, and powerful technology eliminates interference

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Objective auditory test platform (abr+assr)
Comprehensive parameters:
The software function module includes: auditory brainstem evoked potential (ABR), auditory steady state evoked potential (ASSR)
★ hardware platform: all software functions share the same hardware platform and are connected to the computer through USB
1、 Technical requirements for auditory brainstem evoked potential (ABR):
★1. Functional requirements: auditory brainstem evoked potential (ABR) test items include: click, tone, burst 500-4000hz, CE chirp, (NB ce-chirp500-4000hz) (NB ce-chirp500-4000hz) ECochG (click, tone burst 2000Hz), latency intensity function, medium latency MLR, long latency llrp300/mmn, EABR, neuro rate study examination, neuro latency examination, BC click, BC tone burst ALR Tone Burst、CVEMP、OVEMP、Neonate Screening Chirp。
1) Dual channel, left and right channel separate tracing, multiple automatic test rules can be pre programmed
2) Automatically calculate the waveform repetition rate and signal-to-noise ratio. When the preset parameters are reached, it can automatically end and jump to the next stimulus sound
3) Curve display: single curve, multi curve, multi curve split screen,
★ 4) curve editing: automatic and manual I, III and V wave marks; A. B curve separation; Contralateral curve display, curve addition and subtraction; Peak baseline calculation; Peak trough calculation; Double cursor, curve annotation label
5) The software has a full Chinese interface and can be upgraded. When upgrading, you only need to update the software.
2. technical parameter requirements:
1) Dual channel, gain: 80 db/60db,
2) Frequency response range: 0.5 to 5000 Hz,
3) Noise: 4 NV √ Hz, 0.22 µ V RMS (0-3 kHz),
4)CMRR:> 118 dB(0.1Hz – 100 Hz),
5) Input impedance: > 10 m Ω, acceptable electrode offset: > 300 MV,
6) Raw eeg: online display, refresh rate: 10 Hz typical value;
7) Filter: digital filter after low pass and high pass, analog input filter: 0.5 Hz to 100 Hz, impedance check: 33 Hz rectangular wave, measuring current 19 µ a, measuring range: 0.5 – 25 K Ω
★ 8) stimulus sound: short sound, short pure tone, CE chirp, CE NB chirp, CE NB chirp LS
9) Short sound: stimulation rate: 0.1-80.1 times / s, 0.1 second step;
10) Stimulation level: -10-100 DB NHL (20-130 DB pespl), 1 dB step;
11) Short pure tone: number of cycles: 1-3120;
12) Masking sound: white noise (0 to -40 dB relative to stimulus sound)
2、 Technical requirements for auditory steady state evoked potentials (ASSR):
1. the dual channel preamplifier and the new stimulus sound chirp greatly reduce the test time compared with the traditional FM AM stimulus sound.
2. the tester can select 40Hz or 90hz stimulation rate according to the patient's sleep / waking state to further shorten the test time.
★3. A total of eight binaural frequencies are tested at the same time, each frequency and or each stimulus can be controlled independently, and can be shared with other workstations through the network to complete remote monitoring, editing and other work.
4. the full Chinese operation interface can print detailed reports and customize the output content.
Technical parameters:
1. dual channel, gain: 80 db/60db, frequency response range: 0.5 to 5000 Hz, noise: 4 NV √ Hz, 0.22 µ V RMS (0-3 kHz), cmrr:> 118 dB (0.1Hz – 100 Hz), input impedance: > 10 m Ω, acceptable electrode offset: > 300 MV, raw eeg: online display, refresh rate: 10 Hz typical value; Filter: digital filter after low pass and high pass, analog input filter: 0.5 Hz to 100 hz
2. anti aliasing filter: analog 5000 Hz 24 dB octave (30 kHz sampling rate), impedance check: 33 Hz square wave, measuring current 19 A; Measurement range: measurement range: 0.5K Ω -25k Ω
★3. Stimulus sound: NB CE chirp, frequency 500, 1, 2, 4 kHz; Bandwidth: ± 1/2 octave - 3 dB; The stimulation method has cochlear delayed compensation technology. Both ears give sound at the same time, and each ear tests 4 frequencies at the same time
4. modulation ratio: 90 Hz and 40 Hz optional
5. masking sound: 0 – 100 dB HL white noise
6. stimulus control: independently control the intensity of 8 stimulus sounds, dynamically prompt the optional intensity range, and independently control the start of 8 stimulus sounds
/Stop.
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