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Omnipod FAQs

Is Omnipod supported on Loop?

Yes.

Which pods will work with Loop?

  • Omnipod Eros pods are supported with DIY Loop
  • Omnipod DASH pods are supported in the dev branch of DIY Loop
  • Omnipod 5 pods are not supported with DIY Loop

What about Tidepool Loop?

Tidepool is working to bring DIY Loop through the FDA regulatory process and Insulet has been announced as the first pump partner for that project. Tidepool Loop is being developed to work with a future version of the Omnipod system, no RileyLink required. Tidepool Loop was first submitted to the FDA in December 2020.

If you would like to stay informed about Tidepool Loop progress, you can fill out an interest form here.

Do I still need a PDM with Omnipod Loop?

No, pods are monogamous little creatures. They will pair with only one device at a time for safety reasons...so a pod is either paired with a PDM or your Loop app on your iPhone. In other words, your PDM can stay in the diabetes closet while you are Looping. You cannot use the PDM for a pod that has been activated with Loop. That doesn't mean you should get rid of your PDM. Instead, keep it for backup situations if you lose your phone. See below for what to do if you lose your phone or RileyLink.

Can I cancel a bolus?

Yes, you can cancel a bolus in progress. In fact, because it is very easy to cancel, make sure your phone is locked prior to being put away to avoid inadvertently cancelling a bolus. (This behavior is very similar to the Insulet PDM - which also needs to be locked once a bolus has started.)

As soon as a bolus is initiated, look at your phone in portrait orientation. You will see a bolus message indicating the progress of the bolus. This message is highlighted with a red rectangle in the graphic below. If you tap on this part of the display, the bolus is immediately cancelled. (This graphic of the Loop display is from Loop-dev. If you are on Loop v2.2.x, the bolus in progress message looks and behaves the same.)

  • The displayed amount Bolused is based on the time since the bolus was started
  • Loop will present that graphic for the entire time the bolus is in progress with the delivery amount updated based on time
  • Once the bolus completes, Loop updates the actual delivery amount based on communication with the pod (taking into account any interruption of that bolus from the user or a pod error)

graphic showing the bolus in progress - tap to cancel display

Can I cancel a temp basal?

Cancel Temp Basal with Loop v2.2.x

If you are running Loop v2.2.x, the method for canceling a temp basal is to suspend the pump and then resume delivery.

Be sure to follow the suspend with the resume command. Otherwise, all insulin delivery is stopped and remains stopped until the user either clicks on the "Tap to Resume" command from the main screen or the "resume delivery" command accessed in the pump settings display. The resume insulin delivery command returns insulin delivery to your scheduled basal rate.

If a bolus was interrupted, the bolus will not resume.

As long as you are in closed loop mode, Loop will resume automatic insulin delivery adjustments within 5 minutes.

Cancel Temp Basal with Loop-dev

With Loop-dev, disabling the setting for Closed Loop also changes the basal rate on the pump to the scheduled basal rate, which effectively cancels the temp basal.

Bolus in progress

If a bolus is in progress when switching to Open Loop, any active Temp Basal continues until it would expire naturally, unless the user takes further action.

Can I prime or set my own temp basal on Loop?

Loop 2.2.x does not allow you to pick your own temp basal rate or prime insulin (a Medtronic pump trick for adding extra insulin that Loop does not add to IOB).

If you find yourself in a situation where you would like to specify an exact temp basal rate of your own, you would need to (1) change your scheduled basal rate for the time(s) that you'd like that basal rate, (2) cancel any currently running temp basal that Loop has running) and (3) disable Closed Loop in Loop Settings so that you are running in "open loop" mode for the duration of the time you want to use that specific basal rate.

A manual temp basal feature will be available when the development branch is released as Loop 3.

For pod users, your pod will finish any currently running temporary basal rate and then revert back to your scheduled basal rate. Without a phone or RileyLink, however, you will not be able to affect any pod use; no basal change, suspend, cancel, or bolus. To do anything other than let basals continue, you will need to take action depending on the situation.

  • Lost RileyLink only: You can replace your missing RileyLink with one from your backup supplies. No problem to switch out to a different Rileylink mid-pod session. If you don't have a backup RileyLink to use, then you will need to remove the pod and put on a new pod paired with your PDM until you can get a new RileyLink. In the interim, you are still getting basal from the pod. If you are taking bolus insulin via injection, just add it to Apple Health under insulin. Loop will read it and keep making predictions for you. Once you inject, then add the carbs that go with that injection into Loop.

  • Lost iPhone only: You will need to remove the pod and put on a new pod paired with your PDM until you can get a new phone and Loop app built onto it. In the interim, the pod will continue to deliver your scheduled basal until the pod reaches 80 hours. See Updating FAQs for New Phone for more information.

  • Lost both RileyLink and phone: You're having a really bad day. You'll need a hug and to follow the same directions as if you lost the phone as shown in the bullet above.

Is there an increase in pod failures on Loop?

There is more communication between the pod and the controller (your Loop phone) than is typical with the PDM (Insulet provided controller), which increases the load on the pod battery. Most people have no increase in pod failures, but there are steps to take to limit "extra pod battery use". Every time the Loop app requests an update of the pod state or issues a command (bolus, basal schedule, temp basal), messages are exchanged with the pod.

  • Set your correction range to be 10 to 20 mg/dL (0.5 to 1.1 mmol/L) instead of a single number
    • The number of commands will be reduced
  • Keep your Loop app in the background or your phone locked when possible
    • This protects against accidentally issuing a command
    • When phone is unlocked and Loop is in the foreground:
      • Loop 2.2.x updates the pod state when CGM updates (approximately 5 minutes) - same as when app is in the background
      • Loop 3 updates the pod state every 30 sec in the foreground, every 3 to 5 minutes in the background
    • Use an alternate display method such as Nightscout or Loop Follow instead of keeping the Loopers phone unlocked with Loop app open

What do I do if a pod fails to pair?

If you get a pod that is failing to pair, please see this page for steps on how to fix the problem. Follow these steps before filling and trying another pod. If the pod is not screaming, you can probably recover it.

What do you do to stop a screaming pod?

Screaming pods indicate the pod is out of insulin or out of time (80 hours) or there has been a critical pod fault. In all these cases, there is no more delivery of insulin.

The first step is to use your phone to Deactivate the pod. You may need to go to the pod settings and tap on the Replace Pod row or the app may take you to the screen with a Deactivate button directly. This only works if the app is able to communicate with the pod. Sometimes this is not possible. After you attempt to deactivate two times, the app will "discard" the pod as active if communication fails and enable you to pair a new pod. But you still need to make that noise go away.

If you are not successful at deactivating a pod and you've tried everything for resetting the RileyLink or resetting Bluetooth on your phone, make sure the old pod is removed from the area before trying to connect a new pod. (Placing it in a microwave temporarily prevents the phone for detecting that pod.) The paperclip trick (next paragraph) only breaks the sound connection, the pod electronics is still active.

Once you have removed the screaming pod, it can be silenced using a paperclip. Simply put the paperclip in the small hole that is on the bottom (the side opposite where the cannula is) of the pod as shown. Push the paperclip in until you hear a little click, that click is breaking the circuit that connects the speaker to the electronics.

img/paperclip.jpg

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