Medical infusion pump with power source voltage logging and method for logging a power source voltage in a medical infusion pump
First Claim
1. A method for logging a power source voltage (Vbat) of a power source in a medical infusion pump, the medical infusion pump comprising a processor, the power source powering the processor with the power source voltage (Vbat), the method comprising:
- detecting if a processor supply voltage (VDD) provided to the processor is interrupted;
logging logged data comprising the power source voltage as a function of time starting when an interruption occurs;
maintaining the logged data while the power source is interrupted;
storing the logged data to enable a retrospective analysis of the logged data; and
determining a cause of the voltage interruption based at least in part on an analysis of the logged data.
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Abstract
A medical infusion pump and a method for logging a power source voltage of a medical infusion pump are disclosed. The medical pump may include a power source, a processor, and a voltage supervisor which responds if a voltage (VDD) drops to a response voltage level which is above a reset voltage level of the processor. When the voltage supervisor responds, the processor start logging the voltage (Vbat) of the power source in a memory, thus generating a voltage log. The memory maintains the logged data when the power supply by the power source is interrupted, thus enabling retrospective analysis of the voltage log.
33 Citations
20 Claims
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1. A method for logging a power source voltage (Vbat) of a power source in a medical infusion pump, the medical infusion pump comprising a processor, the power source powering the processor with the power source voltage (Vbat), the method comprising:
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detecting if a processor supply voltage (VDD) provided to the processor is interrupted; logging logged data comprising the power source voltage as a function of time starting when an interruption occurs; maintaining the logged data while the power source is interrupted; storing the logged data to enable a retrospective analysis of the logged data; and determining a cause of the voltage interruption based at least in part on an analysis of the logged data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification