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Traditional 510(k) of Fetal & Maternal Monitor
F15 Series Fetal & Maternal Monitor User Manual
the high-frequency signals, so fetal heart sound is heard. On the other hand, the autocorrelation
algorithm computes the stronger signal source and thereby the maternal heart/pulse rate is displayed.
As a result, the audio output differs from the screen reading.
If this situation occurs, it can be dismissed by repositioning the transducer.
In a word, the abnormalities listed above (artifacts, sound and reading differences) are caused by the
limitations of ultrasonic monitoring technique. Fortunately they rarely occur. But a good understanding
of how to detect them and what countermeasures should be taken will help obtain better fetal
monitoring effect.
We hope you find this information useful. If you have any questions about fetal monitoring, please
contact our sales representatives and perinatal specialists.
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