Patent ID: 9597055
Date: 2017-03-21
CPC Classifications: A61B

Claim:
1. A fetal pulse monitor configured to be secured to a head of a fetus comprising: an ultrasound crystal; an ultrasound controller electrically connected to the ultrasound crystal, the ultrasound controller operates the ultrasound crystal to produce ultrasound signals and receive reflected ultrasound signals which comprise a Doppler shift indicative of blood flow towards or away from the ultrasound crystal, the ultrasound controller receives the reflected ultrasound signals from the ultrasound crystal and down converts the reflected ultrasound signals to an audio signal; a wireless transmitter electrically connected to the ultrasound controller, the wireless transmitter receives the audio signal and transmits the audio signal modulated on a radio frequency signal to a patient monitoring device configured to derive a fetal pulse from the Doppler shift in the audio signal; and a biocompatible housing at least partially surrounding the ultrasound crystal, ultrasound controller, and the wireless transmitter, the biocompatible housing configured for insertion into a womb.