Bah and humbug. I am annoyed about this whole situation. Closed loop systems have existed for 40 years. Why are they not available for patients yet? It's not a technology issue. It's just like the 1970s and 80s when the medical profession refused to give blood glucose meters to Type 1 patients as this would "confuse them".
I am very ****** off that I am walking round with a pump and a very accurate CGM, paired, such that the pump continually knows my blood glucose, yet it does nothing active with this information beyond alarms. It goes out of its way to pretend it doesn't know my BG. When I use the BG wizard it defaults to 4.4 even though it knows my actual BG and could trivially set the actual value as a proposed value. So if doesn't even support a person in the loop mode, let alone a closed loop. How many more years are going to be required before we get our hands on this kit? If infuriates me because I could write a safe and effective algorithm for a closed loop in under a minute. If I could patch the pump software that is exactly what I would do.
Even apart from the lack of a closed loop or even person in the loop support, why doesn't my pump/CGM pair:
- calculate my insulin:carb ratio on the fly from actual empirical data and notify me when that value varies much from what I have set?
- same with my correction ratio?
- same with my basal dose? Why isn't the pump measuring, every time IOB is zero and no carbs are active, and advising me when BG is not flat?
All of this stuff is TRIVIAL to implement. It can all have a person in the loop for safety. And what's the safety risk? Hypos? Remind me what we do when someone is in the worst risk category for hypos again? How do we address this issue? Oh yeah, we GIVE THEM A CGM! So anyone using a closed loop or semi open loop is already in the safest situation we can devise.
It makes me want to start my own company like the Omnipod guy, was it? My blood boils at the delay.
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