Thermal Injury byIn VitroIncision of Equine Skin with Electrosurgery, Radiosurgery, and a Carbon Dioxide Laser

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Abstract
Freshly harvested equine skin incised with an electrosurgical unit, a radiosurgical device, or a carbon dioxide (CO2) laser was examined by light microscopy to determine the extent of thermal injury caused by each instrument. There was no significant difference between the thermal injury caused by the electrosurgical unit in the pure‐cut mode and the CO2laser in the superpulse mode, or between the electrosurgical unit and the radiosurgical device in the fully filtered cut mode. However, thermal injury caused by the CO2laser was significantly less than that caused by the radiosurgical device. The amount of thermal injury in thisin vitrostudy was similar to that foundin vivowith other species.