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Method and apparatus for fetal audio stimulation

  • US 6,709,407 B2
  • Filed: 10/30/2001
  • Issued: 03/23/2004
  • Est. Priority Date: 10/30/2001
  • Status: Expired due to Term
First Claim
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1. A stimulation device for stimulating hearing in a middle ear of a fetus in utero, the stimulation device comprising:

  • an RF generator generating a carrier signal;

    an audio generator generating an audio range signal;

    an amplitude modulator, electrically coupled to receive the carrier signal from the RF generator and the audio range signal from the audio generator, the amplitude modulator being operable to modulate the carrier signal with the audio range signal to produce a modulated stimulation signal; and

    an ultrasound transducer electrically coupled to receive the modulated stimulation signal and being operable to convert the signal to a focused beam;

    wherein the ultrasound transducer is adapted to be acoustically coupled to the fetus and positioned to direct the focused beam at an ear of the fetus to stimulate hearing and movement.

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