Conventional Radiofrequency: In conventional Radiofrequency Thermal ablation is the main action. we can set the temperature at a different level and also we can set the time required to continue the procedure. Depending on the pain generator time varies according to the procedure. In conventional Radiofrequency heat is generated that creates the lesion around the nerve and ablates the signals that covey by it. In this 2-4 mm of the lesion is created, 2 mm at shaft and 4 mm tip. here temperature goes beyond 60 degrees Celsius so we give LA before the procedure to decrease the pain.

Pulsed Radiofrequency: Here the main mechanism is the generation of an Electromagnetic field that stimulates the oncogenes and anti-inflammatory components that is helpful, particularly in joint space. It also stops the nociceptive signals from the nerves also. Here the maximum temperature is 42 degrees Celsius and the minimum duration is 180 seconds which does not produce heat like conventional Radiofrequency so it is not that much pain. here also 2-4 mm lesion is generated.

Cooled Radiofrequency: In this type there are two different electrodes of which one acts as heat generator and the other act to cool.