Inventis Flute tympanometry and ipsi/contra reflex tests
Inventis Flute fast and reliable
Inventis Flute three models available
Inventis Flute user-friendly interface
Inventis Flute light, small and sturdy metal probe


Flute is a diagnostic middle ear analyzer, capable of performing incredibly fast and reliable automatic sequences of tympanometry and reflex threshold tests, as well as manual reflex and reflex decay tests, ETF test, and high frequency tympanometry.


Flute is available in three models: Basic, Plus and HF. The following table is an overview of the tests available on each version.

Automatic tympanometry
Manual tympanometry
Reflex test      
Fixed intensity
Growing intensity
Automatic threshold
Acoustic reflex decay
Quick test (tymp. + reflex seq.)
TM intact
TM perforated
Probe tones 226 Hz 226 Hz 226 Hz
    1000 Hz
1000 Hz

(*) Available through optional activation license


Flute features an extremely light, small and sturdy metal probe, which can be very rapidly disassembled and cleaned. The probe is connected to the small Control Box, through which you can select the ear and start the exam.


Simply connect Flute to a USB port on your computer (no drivers needed), and you can transfer exam results into your Maestro or Noah database. With the live view feature, you can have a wide view of the examination in progress on the computer display.

Inventis Flute 1k Hz probe tone, ETF and reflex decay (Plus or HF)
Few seconds
Run your tests in just a few seconds.
Suitable For All Needs
3 different models
Choose the model that best fits your needs.
Easy Data Management
No drivers needed, transfer directly your exam results into your Maestro database.

Probe tone Frequency: 226 Hz; 1000 Hz (Flute Plus w/optional license and Flute HF)
Level: 85 dB SPL (@ 226 Hz); 75 dB SPL (@ 1000 Hz)
Volume range 0.2 to 8.0 ml (at 226 Hz)
0.9 to 16 mmho (at 1000 Hz) (Plus and HF)
Pressure system Rotary type pump with endless flow
Manual pressure adjustment available in the tympanometry and reflex tests (Flute Plus only)
Available tests
  • Tympanometry (automatic)
  • Acoustic Reflex Threshold (automatic)
  • 2 Automatic test sequences (tympanometry + reflex test)

Only Flute Plus

  • Tympanometry (manual)
  • Acoustic Reflex Threshold (manual)
  • Acoustic Reflex Decay
  • Eustachian Tube Function (intact TM)

Only Flute HF

  • Eustachian Tube Function (intact and perforated TM)
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)
Manual pressure adjustment (Flute Plus only)
Auto start feature
Acoustic reflex test

Ipsilateral and contralateral stimulation
Non-acoustic stimulation (Flute Plus only)
Stimulus ON-Time: selectable from 0.5s to 2.5s
Stimulus OFF-Time: selectable from 0.5s to 2.5s
Four different tests available:

  • Automatic threshold
  • Fixed intensity
  • Growing intensity
  • Manual mode (Flute Plus only)
Acoustic reflex decay test (Flute Plus only) Ipsilateral and contralateral stimulation
Non-acoustic stimulation
Test duration: 10 sec or 20 sec (selectable)
Eustachian Tube Function Test ETF with TM intact: Williams test
ETF with perforated TM: Toynbee test, with customable duration and pressure range
Quick tests Two user programmable Quick tests available
Each test consists of a sequence of
  • Tympanometry
  • Reflex test (Fixed intensity or Automatic threshold, with user defined parameters)
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:
Main Unit: 6Vdc, 1.2A
External adapter: 100-240 Vac 50/60 Hz 0.9-0.34A medical grade, responding to IEC 60601-1 standard

With integrated printer:
Main Unit: 6Vdc, 3.2A
External adapter: 100-240 Vac 50/60 Hz 0.9-0.34A medical grade, responding to IEC 60601-1 standard


Without integrated printer:
Size (WxDxH): 32 x 32 x 9 cm / 12.6 x 12.6 x 3.5 in
Weight: 1.9 Kg / 4.19 lbs

With integrated printer:
Size (WxDxH): 32 x 39 x 9 cm / 12.6 x 15.4 x 3.5 in
Weight: 2.4 Kg / 5.29lbs

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

Inventis S.r.l. a socio unico
Corso Stati Uniti, 1/3
35127 Padova

Tel.: +39.049.8962.844

North America

Inventis North America Inc.
2503 S Washington Ave #586
Titusville FL, 32780

Toll free: +1.844.683.6847


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2 rue Marc Donadille
Hôtel Technoptic
13013 Marseille

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