System and method for upgrading a pressure generating system

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Health care management

Reexamination Certificate

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Details

C705S003000, C600S300000, C600S301000

Reexamination Certificate

active

07574368

ABSTRACT:
A method of upgrading a medical device having a controller that controls operation of the medical device according to an operating routine executed by the controller. Upgrading the medical device includes communicating an external device, such as a conventional computer, with the controller. An external access key is provided to the external device and compared to an internal access key provided by the medical device. Upgrading of the medical device is enabled if the two access keys match. Upgrading includes modifying or rewriting the operating routine stored in the medical device. A medical device manufacturer, supplier, or seller controls the distribution of the external access keys, thereby providing the ability to track the medical devices being upgraded and the upgrade provided to that device.

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