Evaluation: Nox T3 Home Sleep Testing Kit
March 27, 2019 | Evaluations & Guidance
- The T3 is an ambulatory device used to record physiologic signals during sleep. The data is downloaded to a computer, where it is analyzed to determine whether the patient has sleep apnea.
- System components: a) Body-worn ambulatory sleep recorder
- Memory: 1 GB of internal memory, which can store up to 24 hours of data
- Size: 7.9 × 6.3 × 2.1 cm (3.1 × 2.5 × 0.8 in)
- Weight: 112 g (3.95 oz) with battery
- Internal sensors:
- Microphone for monitoring snoring
- Accelerometer for monitoring patient position and for actigraphy
- Light sensor for measuring ambient light
- Input channels:
- Pressure channel for recording pressure via nasal cannula (flow is derived)
- Two respiratory effort channels for recording thoracic and abdominal effort via RIP belts (flow can also be derived from these channels)
- Bluetooth module to wirelessly connect to pulse oximeter assembly
- Two bipolar channels for recording of electrocardiography (ECG), electromyography (EMG), electroencephalography (EEG), or electrooculography (EOG)
- Mini USB connector for connecting to a PC for configuring the recorder and downloading recorded data
- One AA battery
- LCD to provide limited instructions to the patient, as well as several indicators, including recording status, recording time, battery level, and status of sensors (if configured to display sensor status)
- LED to indicate recorder status:
- Blinking green indicates that a recording is in progress and the device is functioning normally.
- Blinking orange indicates a low battery.
- Forward and back buttons for navigating screens on the display
- Power button to turn the recorder on, wake up the display during a study, and manually start and stop recording