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Temperature safety limits in the IEC standard
| Operating mode | Maximum core temperature (°C) | Maximum local tissue temperature (°C) | Rise of core temperature (°C) |
|---|---|---|---|
| Normal | 39 | 39 | 0.5 |
| First-level controlled | 40 | 40 | 1 |
For the second-level-controlled operating mode, determining the limits is the responsibility of the investigational review board. IEC, International Electrotechnical Commission.
