Viola
Viola
Viola is a combo unit that integrates a screening middle ear analyzer offering ultrafast and reliable tympanometry and reflex tests with a diagnostic audiometer capable of performing threshold and speech examinations in AC and BC.
THE MODELS
Viola has a very small footprint, just 2 kg of weight that allows to carry the entire diagnostic station in a small suitcase. Viola is available in two models: Basic and Plus. The following table is an overview of the tests available on each version.
| BASIC | PLUS | |
|---|---|---|
|
Automatic tympanometry |
Yes | Yes |
| Automatic acoustic reflex thresholds | Yes (Ipsi/Contra) |
Yes (Ipsi/Contra) |
| Reflex test with fixed intensity | Yes (Ipsi/Contra) |
Yes (Ipsi/Contra) |
| Reflex test with increasing intensity | Yes (Ipsi/Contra) |
Yes (Ipsi/Contra) |
|
Quick tests (tymp. + reflex tests) |
Yes (2 tests) |
Yes (2 tests) |
| Acustic reflex decay | No | Yes (Ipsi/Contra) |
|
Pure tone audiometry |
Yes | Yes |
|
Speech audiometry |
No | Yes |
EMBEDDED SPEECH MATERIAL
No more external player headaches! Viola Plus features an integrated flash memory for storing your speech material. The screen displays the word currently being pronounced.
| Available tests |
Only Viola Plus
|
|---|---|
| Middle ear analyzer specifications | |
| Probe tone | Frequency: 226 Hz Level: 85 dB SPL (@ 226 Hz) |
| Compl. range | 0.2 ÷ 8.0 ml (@ 226 Hz) |
| Pressure system | Rotary type pump with endless flow |
| Tympanometry | Viewing mode: absolute or compensated Single scan User selectable pressure range Maximum range: -600 to +400 daPa Safety limits: -800 daPa and +600 daPa Available rates: 50, 100, 200, 300 daPa/sec and AUTO (100-300 daPa/sec) Auto start feature |
| Acoustic reflex test | Ipsilateral and contralateral stimulation Stimulus ON-Time: selectable from 0.5s to 2.5s Stimulus OFF-Time: selectable from 0.5s to 2.5s Three different tests available:
|
| Acoustic reflex decay (Viola Plus only) | Ipsilateral and contralateral stimulation Test duration: 10 sec or 20 sec (selectable) |
| Quick tests | Two user programmable Quick tests available Each test consists of a sequence of
|
| Available stimuli and maximum levels | Attenuator step: 5 dB Stimuli: 250, 500, 1k, 2k, 3k, 4k Hz |
| Audiometer specifications | |
| Available signals |
Only Viola Plus:
|
| Signals specification | Attenuator step: 5 dB Presentation: Continuous, Pulsed (0.5, 1 and 2 Hz) Warble: 5 Hz sin wave modulating signal |
| Available outputs and trasducers | AC: TDH-39 / DD45 headphones, ER-3C/ IP30 insert earphones BC: B-71 bone vibrator Insert masking earphone: IME-100 |
| Patient-operator communication | Talk over: built-in or external microphone Talk back (Viola Plus only): through built-in speaker or monitor headset (included); patient microphone included Patient response trigger |
| Monitor signal (only Viola Plus) | Both channels monitored through the built-in speaker or monitor headset (included) |
| Device specifications | |
| Printer | Optional integrated thermal printer Paper size: 112 mm |
| Calibration | Validity: 12 months All the parameters set through the device software |
| Computer interface | Connection: USB (driverless) Compatible software: Inventis Maestro |
| Display | Type: Graphical color TFT LCD Size: diagonal 4.3”, 95 mm x 54 mm Resolution: 480 x 272 |
| Power supply |
Without integrated printer: With integrated printer: |
| Mechanics |
Without integrated printer: With integrated printer: |
| Freight Packing | Size (WxDxH): 47 x 42 x 35 cm / 18.5 x 15.8 x 13.8 in Gross weight (without printer): 4.3 Kg / 9.48 lbs Gross weight (with printer): 4.8 Kg / 10.58 lbs |
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