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Sensor arrangement for the control of implantable devices

  • US 4,877,032 A
  • Filed: 04/06/1989
  • Issued: 10/31/1989
  • Est. Priority Date: 06/16/1986
  • Status: Expired due to Term
First Claim
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1. An apparatus for medically treating a patient comprising:

  • an implantable device which supplies a medical treatment to said patient, said device having at least one variable function;

    a catheter connected to said device and also implantable in said patient, said catheter having a plurality of leads therein;

    a plurality of sensors which respectively generate measured signals corresponding to different body parameters of said patient contained within said catheter;

    control means in said catheter for successively respectively connecting said sensors across only two leads of said plurality of leads and thereby activating said sensors chronologically offset;

    an evaluation means disposed in said implantable device remote from said sensors and connected to said sensors by said catheter for generating a signal for use in varying said variable function from said measured signals; and

    means for transmitting said respective measured signals from each activated sensor chronologically offset to said evaluation means via no more than said two leads.

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