Ultrasound and Tympanometer Combi – Center 4000-M UT

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The HOMOTH Center 4000-M series combines advanced ENT diagnostics, offering tympanography and ultrasound functions, saving space and costs. Tympanography conducts fully automatic impedance measurement, including a quick compliance test ideal for children. The device ensures objective results independently of patient involvement, with simple operation for direct workplace examinations. The ultrasound examination of paranasal sinuses serves as a safe alternative to X-rays, especially for children and pregnant women. The HOMOTH ultrasound module features state-of-the-art technology, with adjustable gain curves and linear amplification, compliant with billing regulations and offering electronic data storage compatible with all Windows printers.

Technical Specifications

Tympanometer:

  • System: Impedance and reflex measurement
  • Measuring tone: 226Hz, 85dB SPL
  • Print area: +200 to -400 daPa
  • Pressure change: 300 daPa/sec
  • Measuring time: 2 sec. for compliance
  • Reflex tones: 500, 1000, 2000 and 4000 Hz at 85, 95 and 105 dB SPL
  • Reflex detection: automatically
  • Reflex measurement: ipsi-lateral and optionally contralateral
  • Pressure calibration: automatically when dialed
  • Status display: three-color LED in the probe, detailed display symbols
  • Changing sides: automatic or manual

 Ultrasound:

  • Procedure: A-Mode
  • Probe: focused, 10 mm diameter
  • Ultrasonic frequency: 3.5MHz
  • Pulse sequence: 120Hz
  • Transmission power: 1.2 mW/cm²
  • Signal amplification: 80dB
  • Depth compensation: 20dB
  • Measuring range: Frontal sinus – 3.5 cm; Maxillary sinus – 7.5 cm
  • Switching: automatically or manually using a foot switch