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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Determination of the acoustic output of a harmonic scalpel
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Determination of the acoustic output of a harmonic scalpel

机译：确定谐波手术刀的声音输出

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摘要

The acoustic output of a harmonic scalpel was experimentally determined, and both the airborne ultrasound and the ultrasound transmitted in water were taken into account. The sound pressure level of airborne ultrasound was measured with a microphone and an artificial head, so that the free-field value and the sound level at the entrance at the bottom of the cavum conchae of the ear could be determined. The derived output power in water was obtained from a hydrophone measurement. The results were strongly influenced by cavitation effects, and it is shown that the power values with and without cavitation differ by more than a factor of 5. The measurement of acoustic output parameters forms the basis for describing the performance of the devices and for an assessment of the risk of harmful bioeffects on both the operator and the patient.
机译：通过实验确定谐波手术刀的声音输出，并同时考虑了航空超声和水中传播的超声。用麦克风和人造头测量机载超声的声压级，以便可以确定耳腔底部的入口处的自由场值和声级。通过水听器测量获得水中的推导输出功率。结果受到气蚀效应的强烈影响，并且表明有和没有气蚀的功率值相差超过5倍。声输出参数的测量构成了描述设备性能和评估的基础。对操作者和患者有害生物影响的风险。

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