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References (6)
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B. Goldberg, H. Pollack (1972)
Ultrasonic aspiration transducer.Radiology, 102 1
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B. Goldberg, H. Pollack (1973)
Ultrasonic aspiration-biopsy transducer.Radiology, 108 3
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B. Goldberg, M. Ziskin (1973)
Echo patterns with an aspiration ultrasonic transducer.Investigative radiology, 8 2
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D. Sette (1949)
Ultrasonic Lenses of Plastic MaterialsJournal of the Acoustical Society of America, 21
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En‐Lin Yeh (1975)
A removable ultrasonic collimator for improving resolutionJournal of Clinical Ultrasound, 3
- Publisher
- Wiley
- Copyright
- Copyright © 1975 Wiley Periodicals, Inc., A Wiley Company
- ISSN
- 0091-2751
- eISSN
- 1097-0096
- DOI
- 10.1002/jcu.1870030210
- Publisher site
- See Article on Publisher Site
Abstract
A new ultrasonic deflector for aspiration and biopsy is described. It is made of a Plexiglas prism (45°) with an oblique hole (27°). The ultrasonic beam is bent in water by about 23°. A puncture needle inserted through the prism hole passes through the ultrasonic beam in water with only minimal deviation from the beam axis. A fairly strong echo from the needle tip is a useful indicator for positioning the needle for aspiration. The resolution of the ultrasonic scan is not significantly affected by the deflector. This inexpensive ultrasonic deflector is capable of performing the functions offered by the expensive ultrasonic aspiration‐biopsy transducer.
Journal
Journal of Clinical Ultrasound – Wiley
Published: Jun 1, 1975