Applying Tumor Treating Fields (TTFields) with Temperature Sensors Positioned Between the Electrode Elements and the Subject's Skin
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 26, 2024
filing date -
Sep 26, 2024
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Abstract
Alternating electric fields (e.g., tumor treating fields or TTFields) can be applied to a subject's body by positioning electrode elements on opposite sides of a target region in the subject's body, and applying an AC voltage between the opposing electrode elements. Temperature sensors that are positioned in front of the electrode elements (i.e., between the electrode elements and the subject's skin) and in thermal contact with the subject's skin are used to monitor the temperature of the subject's skin. The current that is applied to the electrode elements is adjusted to the highest level possible that will not cause the subject's skin to exceed the safety threshold (e.g., 41° C.). Optionally, one or more heat exchangers is included to remove heat from the electrode elements, in which case it will be possible to drive larger currents through the electrode elements without exceeding the safety threshold.
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