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Operation Manual
Related Guidance Documents
For more information about ultrasonic bioeects and related topics refer to the following;
X
AIUM Report, January 28, 1993, “Bioeects and Safety of Diagnostic Ultrasound”
X
Bioeects Considerations for the Safety of Diagnostic Ultrasound, J Ultrasound Med., Sept. 1998:
Vol. 7, No. 9 Supplement
X
Acoustic Output Measurement Standard for Diagnostic Ultrasound Equipment. (AIUM, NEMA.
1998)
X
Acoustic Output Labeling Standard for Diagnostic Ultrasound Equipment (AIUM, 1998)
X
Second Edition of the AIUM Output Display Standard Brochure, Dated March 10, 1994. (A copy
of this document is shipped with each system.)
X
Information for Manufacturer Seeking Marketing Clearance of Diagnostic Ultrasound Systems
and Transducers. FDA. September 1997. FDA.
X
Standard for Real-Time Display of Thermal and Mechanical Acoustic Output Indices on Diagnostic
Ultrasound Equipment. (Revision 1, AIUM, NEMA. 1998)
X
WFUMB. Symposium on Safety of Ultrasound in Medicine: Conclusions and Recommendations
on Thermal and Non-Thermal Mechanisms for Biological Eects of Ultrasound, Ultrasound in
Medicine and Biology, 1998: Vol. 24, Supplement1.
Acoustic Output and Measurement
Since the rst usage of diagnostic ultrasound, the possible human biological eects (bioeects) of
ultrasound exposure have been studied by various scientic and medical institutions. In October 1987,
the American Institute of Ultrasound in Medicine(AIUM) ratied a report prepared by its Bioeects
Committee (Bioeects Considerations for the Safety of Diagnostic Ultrasound, J Ultrasound Med., Sept.
1988: Vol.7, No.9 Supplement), sometimes referred to as the Stowe Report, which reviewed available
data on possible eects of ultrasound exposure. Another report “Bioeects and Safety of Diagnostic
Ultrasound,” dated January 28, 1993 provides more up to date information.
The acoustic output for this system has been measured and calculated in accordance with the December
1985 “510(K) Guide for Measuring and Reporting Acoustic Output of Diagnostic Ultrasound Medical
Devices,” except that the hydrophone meets the requirements of “Acoustic Output Measurement
Standard for Diagnostic Ultrasound Equipment” (NEMA UD 2-1992)
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