Abstract
By virtue of their true-perspective presentation, focused and holographic methods of ultrasonic imaging hold great promise for soft tissue visualization. However, none of the numerous methods demonstrated to date combine the features required of a clinically useful instrument.
A new ultrasonic camera for real-time imaging of soft tissue is described. This system produces high resolution images of a 15- × 15-cm field. Its high sensitivity (10-11 W/cm2 threshold) permits penetration of a considerable depth of tissue. Both transmission and reflection imaging are provided, with pulse/range-gating operation in both modes. The image is displayed on a television monitor and may be recorded on video tape.
The ultrasonic camera incorporates a unique wavefield deflection system for scanning the image past a linear array of 192 piezoelectric detectors. Linear and logarithmic amplification is provided in each signal channel.
Ultrasonic images of test objects and of human extremities are presented.
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© 1974 Springer Science+Business Media New York
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Green, P.S., Schaefer, L.F., Jones, E.D., Suarez, J.R. (1974). A New, High-Performance Ultrasonic Camera. In: Green, P.S. (eds) Acoustical Holography. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0827-1_27
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DOI: https://doi.org/10.1007/978-1-4757-0827-1_27
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-0829-5
Online ISBN: 978-1-4757-0827-1
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