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首页> 外文期刊>Ultrasound in Medicine and Biology >A novel method for more accurately mapping the surface temperature of ultrasonic transducers.
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A novel method for more accurately mapping the surface temperature of ultrasonic transducers.

机译：一种用于更精确地绘制超声换能器表面温度的新颖方法。

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摘要

This paper introduces a novel method for measuring the surface temperature of ultrasound transducer membranes and compares it with two standard measurement techniques. The surface temperature rise was measured as defined in the IEC Standard 60601-2-37. The measurement techniques were (i) thermocouple, (ii) thermal camera and (iii) novel infra-red (IR) "micro-sensor." Peak transducer surface measurements taken with the thermocouple and thermal camera were -3.7 +/- 0.7 (95% CI) degrees C and -4.3 +/- 1.8 (95% CI) degrees C, respectively, within the limits of the IEC Standard. Measurements taken with the novel IR micro-sensor exceeded these limits by 3.3 +/- 0.9 (95% CI) degrees C. The ambiguity between our novel method and the standard techniques could have direct patient safety implications because the IR micro-sensor measurements were beyond set limits. The spatial resolution of the measurement technique is not well defined in the IEC Standard and this has to be taken into consideration when selecting which measurement technique is used to determine the maximum surface temperature.
机译：本文介绍了一种测量超声换能器膜表面温度的新方法，并将其与两种标准测量技术进行了比较。按照IEC标准60601-2-37的规定测量表面温升。测量技术是（i）热电偶，（ii）热像仪和（iii）新型红外（IR）“微传感器”。在IEC标准的范围内，使用热电偶和热像仪进行的换能器表面峰值测量分别为-3.7 +/- 0.7（95％CI）摄氏度和-4.3 +/- 1.8（95％CI）摄氏度。使用新型红外微型传感器进行的测量超出了这些限制3.3 +/- 0.9（95％CI）摄氏度。我们的新型方法与标准技术之间的歧义可能直接影响患者的安全性，因为红外微型传感器的测量结果是超出设定的限制。 IEC标准没有很好地定义测量技术的空间分辨率，因此在选择使用哪种测量技术确定最高表面温度时必须考虑到这一点。

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