کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10692105 | 1019618 | 2012 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Exploiting Thermochromic Materials for the Rapid Quality Assurance of Physiotherapy Ultrasound Treatment Heads
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
آکوستیک و فرا صوت
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![عکس صفحه اول مقاله: Exploiting Thermochromic Materials for the Rapid Quality Assurance of Physiotherapy Ultrasound Treatment Heads Exploiting Thermochromic Materials for the Rapid Quality Assurance of Physiotherapy Ultrasound Treatment Heads](/preview/png/10692105.png)
چکیده انگلیسی
Significant nonuniformities in the acoustic intensity distribution generated by physiotherapy ultrasound treatment heads are not uncommon, potentially leading to significant localised temperature rises and tissue damage. An acoustic absorber tile containing a thermochromic pigment has been developed to provide rapid quality assurance of physiotherapy ultrasound treatment heads by virtue of a thermochromic colour change, indicating the time-averaged intensity distributions generated by these devices. As a bench-top device, the use of the tile is designed to mimic the nature of the physiotherapeutic application, requiring minimal training. Two designs where thermochromic pigments are added to the various polymeric layers of the tile are presented. Testing has been conducted with two physiotherapy treatment heads of differing performance, one of them notably exhibiting a strong “hot-spot” in localised acoustic time-averaged intensity. Findings show good qualitative agreement with classical hydrophone scans. Techniques are explored for the correction of nonlinearities in the thermochromic relationship, to enhance the accuracy of quantitative assessment.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultrasound in Medicine & Biology - Volume 38, Issue 5, May 2012, Pages 767-776
Journal: Ultrasound in Medicine & Biology - Volume 38, Issue 5, May 2012, Pages 767-776
نویسندگان
Ian Butterworth, Jill Barrie, Bajram Zeqiri, Gordana Žauhar, Benjamin Parisot,