Surface heating by transvaginal transducers

Ultrasound in Obstetrics and Gynecology

Volumn 29, Issue 4, 2007, Pages 427-432

  Calvert, J ^a   Duck, F ^a   Clift, S ^b   Azaime, H ^b  

^a ROYAL UNITED HOSPITAL   (United Kingdom)

^b University of Bath   (United Kingdom)

Author keywords

Thermal safety; Transducer self heating; Transvaginal ultrasound scanning

Indexed keywords

ARTICLE; COLOR ULTRASOUND FLOWMETRY; CONTROLLED STUDY; FEMALE; FETUS ECHOGRAPHY; HEALTH SURVEY; HEATING; HUMAN; IMAGING SYSTEM; INTERMETHOD COMPARISON; PRIORITY JOURNAL; TEMPERATURE SENSITIVITY; THERMAL CONDUCTIVITY; TRANSDUCER; TRANSVAGINAL ECHOGRAPHY; VALIDATION PROCESS;

EQUIPMENT SAFETY; FEMALE; FINITE ELEMENT ANALYSIS; HEAT; HUMANS; TRANSDUCERS; ULTRASONOGRAPHY; VAGINA;

EID: 34247361661     PISSN: 09607692     EISSN: 14690705     Source Type: Journal    
DOI: 10.1002/uog.3973     Document Type: Article

References (22)

1. Duck FA, Starritt HC, ter Haar GR, Lunt MJ. Surface heating of diagnostic ultrasound transducers. Br J Radiol 1989; 62: 1005-1013.
2. Hekkenberg RT, Bezemer RA. Aspects concerning the measurement of surface temperature of ultrasonic diagnostic transducers, Part 2: on a human and artificial tissue. TNO Prevention and Health report. Leiden, 2003.
3. Hekkenberg RT, Bezemer RA. On the development of a method to measure the surface temperature of ultrasonic diagnostic transducers. Advanced Metrology for Ultrasound in Medicine. Journal of Physics: Conference Series 2004; 1: 84-89.
4. Thomenius KE. Estimation of the potential for bioeffects. In Ultrasonic exposimetry, Ziskin MC, Lewin PA (eds). CRC Press: Boca Raton, FL, USA, 1992; 371-407.
5. Calvert J, Duck F. Self-heating of diagnostic ultrasound transducers in air and in contact with tissue mimics. Ultrasound 2006; 14: 100-108.
6. IEC Standard 60601-2-37 : 2001/A1 : 2005: Medical electrical equipment - Particular requirements for the safety of ultrasonic medical diagnostic and monitoring equipment: International Electrotechnical Commission, Geneva, 2005.
7. Fraser JD, Nguyen L, Powell S. Ultrasonic transducer probe with heat dissipating lens. US Patent 555887, 1996.
8. Snyder JE. Method and apparatus for transferring heat from transducer array of ultrasonic probe. US Patent 5721463, 1998.
9. Miller D, Salgo I, Peszynski M. Imaging ultrasound transducer temperature control system and method. US patent 6669638, 2003.
10. Killingback ALT, Newey VR, Chan J, Buland CM, Nassiri DK. A survey of probe self heating in diagnostic intracavitary probes. Ultrasound 2004; 12: 248.
11. Pearson CE. Handbook of applied mathematics. Van Nostrand Reinhold: London, 1974; 351-353.
12. Doody C, Duck FA, Humphrey VF. Comparison of finite element and heated disc models of tissue heating by ultrasound. Ultrasound Med Biol 2000; 26: 1347-1355.
13. Saunders O, Clift S, Duck FA. Ultrasound transducer self heating: development of 3-D finite element models. Advanced Metrology for Ultrasound in Medicine. Journal of Physics: Conference Series 2004; 1: 72-77.
14. Shaw A, Pay NM, Preston RC, Bond AD. Proposed standard thermal test object for medical ultrasound. Ultrasound Med Biol 1999; 25: 121-132.
15. International Commission on Radiation Units and Measurements. ICRU report 61: Tissue substitutes, phantoms and computational modeling in medical ultrasound. International commission on radiation units and measurements. ICRU: Bethesda, MD, USA, 1998.
16. Starritt HC, Duck FA, Dicken P. Measurement of ultrasound transducer heating. Physica Med 2001; 17: 167-168.
17. Curley MG. Soft tissue temperature rise caused by scanned, diagnostic ultrasound. IEEE Trans Ultrasonics, Ferroelectrics and Freq Contr 1993; 40: 59-66.
18. WFUMB symposium on safety of ultrasound in medicine recommendations on the safe use of ultrasound. Ultrasound Med Biol 1998; 24 (Suppl 1): xv-xvi.
19. IEC Standard 60601 part 1: Medical electrical equipment: General requirements for safety and essential performance. International Electrotechnical Commission, Geneva, 2005.
20. Dewey WC. Arrhenius relationships from the molecule and cell to the clinic. Int J Hyperthermia 1994; 10: 457-483.
21. Harmon BV, Takano YS, Winterford CM, Gobe GC. The role of apoptosis in the response of cells and tumours to mild hyperthermia. Int J Radiation Biol 1991; 59: 489-501.
22. Vykhodtseva N, Sorrentino V, Jolesz FA, Bronson RT, Hynynen K. MRI detection of the thermal effects of focused ultrasound on the brain. Ultrasound Med Biol 2000; 26: 871-880.