Ambulatory medical apparatus and method having telemetry modifiable control software
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 21, 2003
Issued Date -
N/A
app pub date -
Jan 22, 2001
filing date -
Jan 21, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An implanted medical device (e.g. infusion pump) and handheld communication device wherein the implantable device is capable of operating under control of different software programs, wherein a first program operates after resetting the implantable device and is not capable of providing significant medical functionality but is capable of selected telemetry operations including telemetry operations that allow replacement software to be downloaded, and wherein a second program may be caused to take control of the device and is capable of significant medical functionality and selected telemetry operations but is incapable of receiving replacement software. A software image may be received in multiple messages where each message is provided with its own validation code and wherein a validation code for the whole image is provided and wherein each provided validation code must compared to a derived validation code prior to accepting the validity of the replacement software.
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