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Implantable medical pump with multi-layer back-up memory

  • US 6,635,048 B1
  • Filed: 04/28/2000
  • Issued: 10/21/2003
  • Est. Priority Date: 04/30/1999
  • Status: Expired due to Term
First Claim
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1. A system for storing treatment parameter values in an implantable drug pump, the system comprising:

  • (a) a read only memory (“

    ROM”

    ) having stored therein at least one safe mode parameter value;

    (b) a non-volatile, programmable memory having stored therein at least one customized parameter value; and

    (c) a random access memory (“

    RAM”

    ) having stored therein either the safe mode parameter value or the customized parameter value.

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