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The type of heat source used in the approved thermal stimulation device described in the technical documents
| Types of thermal stimulation | N | % |
|---|---|---|
| Heating wire | 145 | 47.2 |
| Infrared ray | 44 | 14.3 |
| Ultrasonic wave | 42 | 13.7 |
| Firer | 21 | 6.8 |
| Heater | 17 | 5.5 |
| High frequency | 13 | 4.2 |
| Water | 9 | 2.9 |
| Surface heating element | 4 | 1.3 |
| Microwave | 3 | 1.0 |
| High frequency+heater | 2 | 0.7 |
| Carbon fiber heating element | 1 | 0.3 |
| Infrared+carbon heating element | 1 | 0.3 |
| Heat+infrared | 1 | 0.3 |
| Heating film | 1 | 0.3 |
| Coil heating element | 1 | 0.3 |
| Heater LED | 1 | 0.3 |
| Polycarbonate, UV cured Cyanoacrylate | 1 | 0.3 |