1 Introduction The CPAP/Flow sensor expands the possibilities of your SOMNOtouch NIBP to record nasal flow and snoring. Furthermore it is possible to determine the CPAP pressure. This instruction manual gives you information on the application and sensor specific settings. Please note the main instruction manual of the SOMNOtouch NIBP.
4 Applying the sensors Connect the sensor to the SOMNOtouch NIBP. Due to the cognition of the sensor-ID you can plug the CPAP/Flow-sensor arbitrarily in one of the two sockets. Now apply the nasal cannula and connect the Luer-Lock to its counterpart at the sensor.
5 Analysis - Global settings DOMINO light In all analysis settings you can change the settings of the parameters for the analysis, the colour display of the analysis curves and the colour classification of the events (click at the colour field; red frames in the figures).
5.1 Flow-Analysis “Hide events during wake” If you activate this checkbox, automatically scored flow events during wake are not displayed. Manually edited events during wake are still shown. When you edit events manually, automatic events that are hidden, are overwritten by the manual scoring. Note that only events during sleep are included in the analysis for the report.
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8) “Mixed A: central part [s]” (A: Apnoea) Where no central apnoea is detected but an Apnoea and an effort event overlap for at least 4 seconds, a mixed apnoea will be scored. 9) “% Snore time” If the percentage of snoring during an apnoea phase exceeds this value, a hypopnoea will be detected.
5.2 Snore-Analysis Snore 1) “Analysis Window [s]” Time period used for the analysis. 2) “Ratio [%]” This ratio shows the percentage increase by which the signal needs to exceed the baseline. All values above this ratio are detected as snore. 3) “Min.
6 Report Open the Report Selection by clicking on “Report...“ in the “Report“ menu. Additionally select the following report parts and click the View Button. CPAP recording: Note: Only events during TIB will be evaluated in the report. Respiratory Report Obstructive / Mixed / Central A differentiation is not possible with this montage.
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Number apn Number hy popnoea AHI (/h) TIB (h.) Flow Limitations (Index) Number of Flow Limitations. Max. Apnoea Duration (s) Maximum duration of Apnoea. Max. Hypopnoea Duration (s) Maximum duration of Hypopnoea. Average Apnoea Dur. (s) Average duration of Apnoea. Average Hypopnoea Dur.
7 Technical Specifications Name Measuring range Frequency range Accuracy DC – 8Hz CPAP pressure 0-30mbar ± 2% / 20% 0.007Hz – 1kHz Flow ± 2mbar ± 5% / 20% 0.07 – 256 Hz Snore 8 Cleaning / Desinfection Clean the sensors according to the directions in the SOMNOtouch NIBP main manual.
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