Each probe contains a transmitting crystal, which continually emits ultrasound. If the ultrasonic wave encounters a moving structure, the reflected ultrasound changes frequency in accordance with the Doppler-principle. the frequency-modulated signal is captured by the probe's transmitting crystal and transmitted for signal-processing, which determines the amount of Doppler-shift. This is the difference between the sent and received signals, and is proportional to the speed with which the reflectors move. The Handydop therefore provides you a signal that reflects the flow-rate of blood or characteristic noises of the fetal heart.
- exemplary handling
- sending- and receiving-electronics integrated into the probe's plug
- high sensitivity for capture of even the smallest vessels
- probes are easily exchanged
- low operation costs through power-pack
Where, up to now, probe-plugs had to be connected through complicated screwing-mechanisms, now light pressure onto a locking-key is sufficient for you to effortlessly pull the plug. Insert the new probe-plug until a soft 'click' indicates correct fit - done!