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A simple radiation balance for measuring ultrasonic power
Journal of Medical Engineering & Technology
|July 1, 1979
Summary
A new beam balance accurately measures ultrasonic instrument power outputs. This device can detect power levels as low as 4 milliwatts (mW), aiding therapeutic and diagnostic applications.
Area of Science:
- Biomedical Engineering
- Medical Physics
- Acoustics
Background:
- Accurate measurement of ultrasonic power is crucial for ensuring the safety and efficacy of therapeutic and diagnostic medical devices.
- Existing methods for power measurement may lack the sensitivity or precision required for low-power ultrasonic instruments.
Purpose of the Study:
- To design and construct a novel beam balance specifically for measuring the power outputs of ultrasonic instruments.
- To evaluate the performance of the developed beam balance in measuring low power levels.
Main Methods:
- The study involved the design and construction of a specialized beam balance.
- A low magnification microscope was integrated into the setup to facilitate precise measurements.
- The beam balance was calibrated and tested using known power sources.
Main Results:
- The constructed beam balance demonstrated capability in measuring ultrasonic power outputs.
- The system successfully measured power outputs down to 4 milliwatts (mW).
- The low magnification microscope aided in achieving accurate readings at low power levels.
Conclusions:
- The developed beam balance provides a reliable method for measuring ultrasonic power outputs.
- This instrument is suitable for characterizing both therapeutic and diagnostic ultrasonic devices, particularly those with low power requirements.
- The findings contribute to the quality control and development of ultrasonic medical technologies.