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Endometrial hydrothermal ablation systems designed to produce coagulation necrosis in the endometrium blindly by means of a thermal balloon designed to conform to the uterine cavity. These systems usually consist of a control panel unit including temperature, pressure, and time controls and a two-line catheter for electrical connection and injection of the heating solution (e.g., dextrose) into the balloon. In some systems, the distal end of the catheter forms the center axis of the balloon, inside of which there is a heating element and a thermistor, surrounded by a perforated heat shield.
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