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Fetoheart sonic aid (Doppler) clinic_hospital use Amaris Medical
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Fetoheart Sonic Aid Doppler (clinic/hospital use)

A Fetoheart Sonic Aid Doppler (Fetal Doppler) is a Class II medical ultrasound device (2-3 MHz probe) for real-time detection and audible/visual display of fetal heart rate in clinical obstetric settings from 10-12 weeks gestation. Features include handheld or tabletop console, waterproof probe, digital heart rate display (30-240 bpm), amplified speaker, headphone jack, and rechargeable battery or AC power operation. Continuous wave or pulsed wave Doppler technology with auto-correlation signal processing rejects maternal artifact. Primary clinical applications include fetal heart rate detection and monitoring during routine prenatal visits, confirmation of fetal viability in first trimester, intermittent fetal monitoring during labor, non-stress test administration, multiple gestation assessment, fetal presentation determination, and post-procedure confirmation (amniocentesis, CVS, ECV). Critical safety considerations include following ALARA principle (minimum necessary exposure), appropriate ultrasound gel use, probe pressure avoidance, infection control (probe cleaning between patients), differentiation of fetal from maternal signals, and interpretation by qualified providers. Essential equipment in outpatient obstetric clinics, hospital labor and delivery units, and prenatal care settings.
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Ultrasonic Doppler Amaris Medical
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Ultrasonic Doppler

An Ultrasonic Doppler is a handheld or tabletop medical device that uses continuous wave Doppler ultrasound (2-10 MHz probes) to detect and amplify blood flow sounds for fetal heart rate monitoring and peripheral vascular assessment. Available with obstetric probes (2-3 MHz for deep fetal detection) and vascular probes (4-5 MHz for deep vessels, 8-10 MHz for superficial vessels). Features audio output through speaker or headphones, digital heart rate display (30-300 bpm), and directional flow capability on select models. Primary clinical applications include fetal heart rate detection and monitoring (as early as 10-12 weeks gestation), peripheral arterial disease assessment (ankle-brachial index calculation), deep vein thrombosis evaluation, blood pressure measurement in difficult populations, intraoperative and postoperative vascular monitoring, wound healing assessment, and penile blood flow evaluation for erectile dysfunction. Class II medical device requiring FDA clearance. Critical safety considerations include following ALARA principle for ultrasound exposure, appropriate gel use, probe pressure avoidance, infection control (probe cleaning and sterile covers), and qualified interpretation of Doppler sounds.
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