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Electrothermal cautery probes in which the heating component (e.g., a high-resistance wire) is formed to an appropriate shape and left exposed to contact the tissue directly. They do not deliver electrical current to tissue. Uncovered electrocautery probes are used mainly for cutting and/or coagulation during surgical procedures. In some dedicated probes, the heating element is attached to a scalpel blade, making them hemostatic scalpels.
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