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Suggesting it is one thing, Richard. Actually doing it is quite another.

Yes, that's why I'm suggesting it on a forum - perhaps someone at College, University or a R&D department, who's interested in pursuing it wants to have a go as a technical project, eh?

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Sounds like a hardware hack to me, Mate.

Yes - but predominantly software I think and one that could be common to all devices if there's a standard "port" or even wireless aerial access connection fitted externally.

I suppose what I'm basically saying is either use wireless networking or build active RFID transponder capability into the medical device to transfer data two-ways, whilst emulating a standard RFID tag with data transfer capabilities. The choice comes down to comparative costs and ease of implementation I guess.

That's why a standard needs to be developed for designers and manufacturers of RFID/wireless adaptors/medical devices to implement the "interfaces" that purchasers of their equipment may "demand" in future.

I'm discussing potential future developments in design and manufacture that could give "value-added" functionality not retrofit modifications or gizmos.