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The iCareNewlife Fetal Doppler is indicated for monitoring fetal heart rate during the antepartum period as a general indication of fetal well-being. The device is for heart sounds through the speaker only. The device is intended to be used by health care professionals including registered nurses, midwives, ultrasound technicians, and physician assistants, by prescription from licensed physicians in hospitals, clinics and private offices.

The device is a hand-held ultrasonic fetal heart beat detector, which can detect the Fetal Heart Rate (FHR). The built-in speaker of the device allows for listening of the fetal heartbeat. The device is generally applied to above 16 weeks gestation. Ultrasonic wave is transmitted from one piezoelectric ceramic at the front of the uterus of the pregnant women. Echo is received by the other piezoelectric ceramic at the front of the probe when ultrasonic wave reaches the fetal heart. Then it is converted into voltage. This Doppler signal is detected and demodulated from the received signal. And the Doppler frequency is consistent with the rhythm of the fetal systole and diastole. Once cardiac valves vibrate and a Doppler frequency excursion is formed. lt is transmitted an output signal of cardiac valves vibrating, and it is sent to the loudspeaker for getting a rhythmical sound with the fetal heartbeat. The device is powered by a 9V alkaline battery.

This product will be used to detect fetal heart tones transvaginally as an aid for determining fetal viability. Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows: Transvaginal (N= new indication)

The EchoHeart Transvaginal Doppler is an interchangeable transvaginal Doppler probe used with the handheld LifeDop Doppler System. It is designed for more consistent determination of fetal viability in difficult examinations when a standard transabdominal probe is insufficient - such as early gestations. obese patients and retroverted uterine positions.