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Method for externally programming a device implanted in a patient

  • US 4,613,937 A
  • Filed: 02/22/1984
  • Issued: 09/23/1986
  • Est. Priority Date: 02/22/1984
  • Status: Expired due to Term
First Claim
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1. In a process for programming a device implanted in a patient from an external programming unit, the improvement comprising the steps of:

  • transmitting, from an external source to the implanted device, a first digital access signal to enable a computer within the implanted device to receive a second access signal;

    transmitting, from the external source to the implanted device, a second digital access signal to enable the computer to receive and store programming signals representing data;

    inhibiting the computer from storing programming signals from the programming unit unless both the first access signal and the second access signal have been received in sequence;

    transmitting the second access signal at a faster rate than the rate at which the first access signal is transmitted;

    if the first and second access signals have been received in sequence, then transmitting from the implanted device indicia that programming may be commenced;

    if the implanted device has transmitted indicia that programming may be commenced, then transmitting program data in digital form from the external programming unit to the computer within the implanted device;

    if program data has been received by the computer, then transmitting from the implanted device indicia representing the program data that has been received;

    if program data has been received by the computer, then activating selected computer output functions in response to said program data; and

    if selected functions have been activated, then transmitting from the implanted device verification of such activation.

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