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Medtronic Insulin Pumps

The most current model of Medtronic MiniMed insulin pump available in Canada is the 780G with Automated Insulin Delivery (AID) and auto-corrections. The term SmartGuard has replaced the term "AutoMode". Older and still popular Medtronic models in use include the MiniMed 630G, 670G and the 770G with AID which is upgradeable to the 780G. For a comparison between AID pumps, click here. 

780G

780G Overview 

For comparison with the older 770G pump, see the Automated Insulin Delivery (AID) Pumps page here. 

  • The 780G SmartGuard feature uses an algorithm and Guardian Sensor 3 to adjust and correct glucose readings every 5 minutes when SmartGuard is engaged.
  • Automated insulin delivery may include toggling basal up, down or off and may include the addition of auto corrections.

  • Glucose Targets available in SmartGuard 
    • 5.5 mmol/L (with auto corrections on as default; these can be disabled) 
    • 6.1 mmol/L (with auto corrections on as default; these can be disabled) 
    • 6.7 mmol/L (with auto corrections on as default; these can be disabled) 
    • 8.3 mmol/L with no autocorrections available
  • The pump can be used in:
    • Full SmartGuard Mode (previously termed AutoMode)
    • Or in manual plus suspend before low
    • Or in full manual mode
  • The pump and sensor communicate via MiniMed Mobile phone app using Bluetooth.
  • Data is visible on the app and is uploaded to Carelink automatically. The app will not program the pump.
  • Carb counting and manual meal bolusing are required. 
  • For more information visit Medtronic. 
  • Consideration: If A1c prior to the start of using an AID pump (previously hybrid closed loop) could drop quickly by more than 2% over 3 months (particularly for those with A1c in double digits), consider discussions with the specialist physican and patient about higher temporary glucose targets. Rapid A1c improvements have been associated with changes in retinopathy and rarely, painful treatment induced neuropathy of diabetes (TIND) or insulin edema.

SmartGuard (previously AutoMode)Features Available for Use

In SmartGuard, users will only be able to control the:

  • Active insulin time
  • Carbohydrate ratio
  • Glucose target (4 presets)

The following are NOT available for use in SmartGuard (they are available in Manual Mode):

  • Temporary basal rates
  • Insulin sensitivity factor - ISF (The algorithm determines a correction dose based on recent insulin delivery, not on ISF. The patient may accept or decline the dose.)
  • Dual or square wave bolus
  • Pre-set boluses
  • Easy bolus
  • Manual bolus with user decided units
  • Remote bolus

Additional SmartGuard (previously Auto Mode) information:

  • Requires blood glucose calibrations of CGM. Usually, three calibrations on day 1 of the sensor and usually two calibrations daily afterwards.
  • SmartGuard will stop if the pump delivers basal insulin based on insulin delivery history, and not sensor readings, for four hours.
  • Periodically the manual basal rates should be updated to reflect overall basal insulin delivery in SmartGuard.
  • Guardian Link CGM Preparation page
  • The AutoMode Setup page refers only to 670G and 770G models

Training

 

780G (Upgraded from 770G)

At Follow-Up or At 780G SmartGuard Training:
Recommended settings to assist SmartGuard. (These may need to change in manual mode.)

  • Target 5.5 mmol/L is the default. (If need to raise it visit Main Menu > SmartGuard > SmartGuard Settings)
  • 2 hr Active Insulin Time is suggested but is NOT the default consider changing. (Main Menu > Insulin > Insulin Delivery Settings > Bolus wizard setup)
  • Bolus Increment 0.025 units ((Main Menu > Insulin > Insulin Delivery Settings)
  • Bolus delivery speed: Quick (Main Menu > Insulin > Insulin Delivery Settings)
  • Advise to prebolus for meals
  • Carb Ratio may need to be strengthened
  • Carelink report is the same except for the following:

Carelink 780G Auto-Corrections AND Meal Bolus
  • Above Carelink 780G: Small purple bars below the line are auto-corrections. As usual, purple bars above the line are meal boluses. Pink continues to be auto-basal. 

780G Phone app


  • Above: The patient Medtronic App view is the same except, long blue bars indicate auto-corrections. As usual, little yellow fork/knife symbols on bottom indicate carb input (touching reveals grams); little blue vials on top indicate meal bolus OR if the patient has delivered a manual correction (after opening Bolus Menu and seeing the pump suggests one. Otherwise, pump will deliver this as auto-correction in time.) 

770G

 

Medtronic Resources 770G: Videos & PDF Handouts  


  • Cannula Fills
    Set Name Cannula Length Cannula Fill
    Silhouette 13 mm or 17 mm 0.7 unit
    Mio 30  13 mm 0.7 unit
    Quick Set 6 mm
    9 mm    		 0.3 unit
    0.5 unit
    Mio 6 mm
    9 mm    		 0.3 unit
    0.5 unit
    Mio Advanced 6 mm 0.6 unit
    Sure-T 6 mm or 8 mm Zero unit

Company Contacts

  • CONTACTS- MEDTRONIC
    • Medtronic Canada Website
    • Medtronic Insulin Pump Innovation Page
    • Customer Care: 1-800-284-4416 
    • Diabetes Territory Manager (Southern Alberta): This email address is being protected from spambots. You need JavaScript enabled to view it. 1-403-829-1932
    • Diabetes Clinical Specialist (Alberta): This email address is being protected from spambots. You need JavaScript enabled to view it.  1-403-831-4102
    • This email address is being protected from spambots. You need JavaScript enabled to view it. 1-905-460-3738
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