Open Source Automated Insulin Dosing Software

Continuing the discussion from Practical places to wear a pod?:

@pady87 How’d you decide on Trio?

I thought it’d be neat to start a topic on Trio, Loop, AndroidAPS, OpenAPS and any others for those that are curious. I’ll start by saying these are for people who are eager to solve problems and are willing to manage the risks of running medical device software on your phone that can’t guarantee the medical device software is running.

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That’s a great idea! My choice was driven by my cgm choice. When I started pumping a year ago, there wasn’t an option to go closed loop with eversense. I chose omnipod 5 because no tube and I could use it with my phone. on a private msg group that the juice box guy ran, I learned that trio had a test branch with eversense, and worked with omnipod dash and that the trio app lets you use dash pods without a PDM. So it checked all my boxes.

I find the DIY network tech support way more reliable than the product companies. I get answers and troubleshooting almost immediately on the triodocs discord from ppl who have actually have hands on experience. Way better than scripted answers during business hours only from manufacturers.

Thanks @pady87. Following your lead I’ll say my choice was driven first by wanting a tubeless pump but the O5 can’t handle my dawn phenomenon or 60% variations in daily insulin. So that leaves the OS-AID options. iPhone was less risky than Android for pump software before iOS 26, now its about even. I already have an iPhone so that leaves Trio and Loop. I really wanted to use Trio but looking through the github project something made me say ah heck no so I’m trying Loop.

I’m hoping someone using a Medtronic Minimed or non-US pump will chime in about supply availability at some point.

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@jbowler and @Tlholz when can I ask insulet for a replacement pod? Is it like Dexcom and any time the pod fails to reach the end of day 3 I call? Or because I’m using an OS-AID to run the pod are there limited cases?

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I think I’ve only done that once (I can’t remember) but my understanding is that every pod is expected to last at least 72 hours (i.e. 3 days) so up to 72 I’d call. They might replace up to the full 80 hours, but I don’t know; my prescription is 10 pods every 30 days, I always run them 80 hours so I continuously, but slowly, accumulate spares. My earlier failures are almost always due to mechanical detachment.

Did you request replacements for pods that suffered “mechanical detachment”?

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Nah. I considered that the door frame’s fault, not Insulet’s. That said it is an inevitable consequence of having such a large mollusc attached to our exterior skin. The damn thing is big.

My bottom line is that because it runs for 80 hours and I am happy to use all those hours (many people would not be happy to do that for good reason) I get enough extra from my prescription to ignore the odd failure. I figure this is good for the planet, myself and, indeed Insulet.

But the 'pod is big and that is a design defect; a clear responsibility of Insulet. When it comes off as a result that is a design failure and so a replacement is in order.

What Insulet don’t quite get is that if they let the 3 day pod run for 90 hours they would probably get a whole lot less customer service calls, saving them an enormous amount of money and costing them barely a half-cent on the dollar.

Whatever. 80 hours is enough for me.

Replaced a Dash pod yesterday, adhesive let go and the canula slipped out less than hour after activation. So I called Insulet and spent a soul crushing 30 minutes on the phone with support. They’re sending a replacement. I asked about replacements for occlusions, he said in general they’ll send replacements for detachment, leaking, rising glucose and alarms that occur within 3 days. At some point of quantity/time they’ll make you talk to their CDEs to get replacements.