中耳分析儀

Timpani 攜帶式中耳分析儀

Timpani

Display	Type: Graphical color TFT LCD, capacitive touchscreen Size: diagonal 2.8”, 43.2 x 57.6 mm Resolution: 240 x 320 x RGB

Tympanometry	Meatus compensated viewing mode Single scan Scan interval (choice): standard, from +200 to -400 a daPa reduced, from +100 to -300 daPa Safety limits: -750 daPa and +550 daPa Scan rate: 400 daPa/sec Auto start feature

Tympanometry

Meatus compensated viewing mode
Single scan
Scan interval (choice): standard, from +200 to -400 a daPa reduced, from +100 to -300 daPa
Safety limits: -750 daPa and +550 daPa
Scan rate: 400 daPa/sec
Auto start feature

Acoustic reflex test	Ipsilateral stimulation, probe tone @ 226Hz Pulsed stimulus for reduced artifacts Exam modes available: Automatic threshold Fixed intensity Exam pressure: Automatic, between tympanogram peak pressure and peak pressure minus tympanogram width (or ambient pressure, when no peak found)

Acoustic reflex test

Ipsilateral stimulation, probe tone @ 226Hz
Pulsed stimulus for reduced artifacts

Exam modes available:

Automatic threshold
Fixed intensity

Exam pressure:

Automatic, between tympanogram peak pressure and peak pressure minus tympanogram width (or ambient pressure, when no peak found)

Available stimuli and levels	Pure tones: 500Hz, 1000Hz, 2000Hz, 4000Hz Attenuator step (selectable): 5 or 10 dB (automatic threshold); 5 dB (fixed intensity) Minimum Intensity: 70 dB HL Maximum intensity: 100 dB HL