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How Fetal Doppler Works

Fetal Doppler work on the principle of listening to reflections of small, high frequency sound waves (ultrasound). These ultrasound waves are generated by microscopic vibrations of piezoelectric crystals. When the waves are reflected from moving objects, such as a fetal heart the frequency changes slightly. It is this change that is analysed by the electronics of the Doppler and converted into a sound that you can hear or a digital display of the heart rate. In a word, it is a device of fetal heart-beat measuring.

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Meditech Equipment Co.,Ltd is part of Meditech Group. Product(s) described may not be licensed or available for sale in all countries. Sonotech, Sonovet, iSonic, FOs2pro, Dolphi, Defi, HeartRec,miniScan,Cardios,SpirOx,iBreath, Meditech and all corresponding design marks are trademarks of Meditech. The symbol indicates the trademark is registered. Patent and Trademark Office and certain other countries. All other names and marks mentioned are the trade names, trademarks or service marks of their respective owners. Please see the Instructions for Use for a complete listing of the indications, contraindications, warnings and precautions.

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