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An analytic derivation for the transient temperature rise during an ultrasound pulse focused on bone
Bruce A Herman1, Matthew R Myers
1Center for Devices and Radiological Health, Food and Drug Administration, Rockville, MD 20850, USA. bah@cdrh.fda.gov
Ultrasound in Medicine & Biology
|May 20, 2003
Abstract:
An analytic derivation is given for the maximum transient temperature rise due to millisecond ultrasound (US) pulses focused on bone. The temperature rise is found to have, within a small correction factor, a square-root dependence on the pulse duration and is independent of the focal diameter. The equation developed is essentially the same as that found in a previous paper that obtained the formula by numerical methods and subsequent curve fitting.