MULTI-SENSOR PATCH AND SIGNAL ANALYZER THAT ENABLE SAFE CARDIAC ABLATION
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 11, 2024
filing date -
Sep 11, 2024
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Abstract
A system that enables safe cardiac pulsed field ablation by using multiple types of sensors on a patch to detect and cross-check that the heartbeat is in a safe phase to receive an ablation pulse. The patch may contain for example any or all of ECG electrodes, PPG sensors, accelerometers, and microphones. The patch may also contain one or more pulse return electrodes for unipolar ablation. A signal analyzer coupled to a pulse generator may receive sensor data from the patch and may analyze this data to determine the heartbeat phase. If data from different sensors are inconsistent, then pulse generation may be disabled as a safety feature. Otherwise, pulses may be enabled when the heartbeat is in a safe phase; for example, pulses may be excluded during the T wave.
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