Ultrasound in Medicine and Biology
Volume 34, Issue 9 , Pages 1513-1527 , September 2008

Evaluation of a Novel Solid-State Method for Determining the Acoustic Power Generated by Physiotherapy Ultrasound Transducers

  • Bajram Zeqiri

      Affiliations

    • Corresponding Author InformationAddress correspondence to: Dr Bajram Zeqiri, Acoustics Group, Quality of Life Division, National Physical Laboratory, Teddington, Middlesex, TW11 0LW United Kingdom
  • ,
  • Jill Barrie

Received 24 August 2007 ,Revised 23 January 2008 ,Accepted 4 February 2008.

References 

  1. Beissner K. The influence of membrane reflections on ultrasonic power measurements. J Acoust Soc Am. 1984;50:1505–1510
  2. Beissner K. Radiation force and force balances. In:  Ziskin MC,  Lewin PA editor. Ultrasonic Exposimetry. Boca Raton, FL: CRC Press; 1993;p. 127–142
  3. Beissner K. Thermal techniques. In:  Ziskin MC,  Lewin PA editor. Ultrasonic Exposimetry. Boca Raton, FL: CRC Press; 1993;p. 163–168
  4. Davidson F. Ultrasonic power balances. In:  Preston RC editors. Output Measurements for Medical Ultrasound. London: Springer-Verlag; 1991;p. 75–90
  5. Fay B, Rinker M. The thermoacoustic effect and its use in ultrasonic power determination. Ultrasonics. 1996;34:563–566
  6. Fry WJ, Fry WB. Determination of absolute sound levels and acoustic absorption coefficients by thermocouple probes. J Acoust Soc Am. 1954;26:294–317
  7. Gledhill M. Survey of physiotherapy ultrasound equipment calibrations. 1996;National Radiation Laboratory (New Zealand) Report NRL 1996/4.
  8. ter Haar GR. Therapeutic applications of ultrasound. Progr Biophys Mol Biol. 2007;93(1–3):111–129
  9. Harris GR, Preston RC, DeReggi AS. The impact of piezoelectric pvdf on medical ultrasound exposure measurements, standards and regulations. IEEE Trans Ultrason Ferroelectr Freq Control. 2000;47(6):1321–1335
  10. Hekkenberg RT, Beissner K, Zeqiri B, Bezemer RA, Hodnett M. Validated ultrasonic power measurements up to 20 W. Ultrasound Med Biol. 2001;27(3):427–438
  11. Hekkenberg RT, Beissner, K, Zeqiri, B. Therapy-level ultrasonic power measurement. Final Technical Report SMT4-T96–2139, European Commission, BCR Information, report EUR 18828 ISSN 2000.
  12. Hekkenberg RT, Richards A, Beissner K, Zeqiri B, Bezemer RA, Hodnett M, et al. Transfer standard device to improve the traceable calibration of physiotherapy ultrasound machines. Ultrasound Med Biol. 2006;32(9):1423–1429
  13. Hekkenberg RT, Reibold R, Zeqiri B. Development of standard measurement methods for the essential properties of ultrasound therapy equipment. Ultrasound Med Biol. 1994;20(1):83–94
  14. International Electrotechnical Commission. IEC Technical Specification TS 62462: Ultrasonics–Output Test: Guide for the maintenance of ultrasound physiotherapy systems. 2007;IEC.
  15. International Electrotechnical Commission. Ultrasonics–Physiotherapy systems and methods of measurement in the frequency range 0.5 MHz to 5 MHz. 1996;IEC 61689 Ed. 1,. IEC.
  16. International Electrotechnical Commission (IEC) 60601–2–5. Medical Electrical Equipment–Part 2–5: Particular requirements for the safety of ultrasonic physiotherapy equipment. 2nd ed.. 2005;IEC.
  17. International Electrotechnical Commission IEC (IEC) 61161. Ultrasonics–Power radiation force balances and performance requirements. 2nd ed.. 2006;IEC.
  18. Lang SB. Sourcebook of Pyroelectricity (Ferroelectricity and Related Phenomena). New York: Gordon and Breach; 1974;
  19. Pinkerton JMM. The absorption of ultrasonic waves in liquids and its relation to molecular constitution. Proc Phys Soc. 1949;62:129–141
  20. Pye SD, Milford C. The performance of ultrasound physiotherapy machines in the Lothian Region, Scotland. Ultrasound Med Biol. 1992;20:347–359
  21. Pye SD, Zeqiri B. Guidelines for the testing and calibration of physiotherapy ultrasound machines. 2001;IPEM report No. 84. (Institute of Physics and Engineering in Medicine, York, UK).
  22. Safety Action Notice SAN(SC) 06/44, Scottish Healthcare Supplies, Edinburgh. September 2006.
  23. Zeqiri B, Bickley CJ. A new anechoic material for medical ultrasonic applications. Ultrasound Med Biol. 2000;26(3):481–485
  24. Zeqiri B, Gelat PN, Barrie J, Bickley CJ. A novel pyroelectric method of determining ultrasonic transducer output power: device concept, modelling and preliminary studies. IEEE Trans Ultrason Ferroelectr Freq Control. 2007;54(11):2318–2330

PII: S0301-5629(08)00073-2

doi: 10.1016/j.ultrasmedbio.2008.02.003

Ultrasound in Medicine and Biology
Volume 34, Issue 9 , Pages 1513-1527 , September 2008