Image: Medtronic
Medtronic
Guardian 4
Real-time continuous glucose monitor · Sensor life 7 days.
Sensor: 7 days Warm-up: 2 hours Real-time: Yes Alarms: Yes MARD: 10.6 %
Technical specifications
| Brand | Medtronic |
|---|---|
| Model | Guardian 4 |
| Sensor Life | 7 days |
| Warm-up | 2 hours |
| Scan required | No |
| Real-time reading | Yes |
| Alarms | Yes (hyperglycemia, hypoglycemia, signal_loss) |
| Calibration | Required |
| MARD (accuracy) | 10.6 % |
| Separate transmitter | Yes (12 months) |
| Water resistance | Brief splashes only |
| Smartphone required | Yes |
| Compatible Apps | MiniMed Mobile |
| Approved for | adults, children ≥7 years |
| Note | Works with MiniMed 780G AID system (exclusive). Shortest wear (7 days) of any active rtCGM in the CH market. Reported app ratings 1–2 ★; painful insertion; limited water resistance. |
Insulin pump integration
This CGM system is compatible with the following pumps for Automated Insulin Delivery (AID) systems:
MiniMed 780G
Price comparison
As of: — · MiGeL-capped.No public retail prices available. CGM sensors are mostly obtained by prescription and direct insurance billing (MiGeL 21.06, CHF 4.85/day).
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