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Monitoring device

  • US 4,428,381 A
  • Filed: 03/13/1981
  • Issued: 01/31/1984
  • Est. Priority Date: 03/13/1981
  • Status: Expired due to Term
First Claim
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1. Apparatus for transtelephonic monitoring of acoustic clicks of a prosthetic heart valve comprising:

  • a sensor means for sensing said acoustic clicks at a first rate and for converting said sensed acoustic clicks to an input signal;

    means responsively coupled to said sensor means for converting said input signal to a digital signal;

    means responsively coupled to said converting means for storing said digital signal;

    means responsively coupled to said storing means for transmitting said digital signal transtelephonically at a different second rate; and

    means responsively coupled to said transmitting means for receiving said digital signal transtelephonically.

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