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Acoustic output measurement is a critical process in evaluating the safety and performance of ultrasound devices. It involves quantifying the acoustic energy emitted by these devices, typically expressed in terms of intensity, pressure, or power. Key parameters measured include spatial-peak temporal-average intensity (ISPTA), mechanical index (MI), and thermal index (TI). These measurements are essential for ensuring compliance with regulatory standards and assessing potential bioeffects. Specialized equipment such as hydrophones and radiation force balances are used to capture accurate data. Understanding and properly conducting acoustic output measurements is crucial for manufacturers, researchers, and regulatory bodies in the ultrasound industry.
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