Surgery – Truss – Pad
Patent
1985-10-15
1987-06-09
Howell, Kyle L.
Surgery
Truss
Pad
A61B 1000
Patent
active
046712933
ABSTRACT:
An improved biplane phased array transducer for real time medical imaging in at least two sector planes having a composite piezoelectric plate with an array of transducer elements disposed on each major surface of said plate, the array on one side being at an angle to the array on the other side, said transducer elements being defined by dicing each major surface of said composite plate through the conductive electrode surface and into a portion of the composite piezoelectric material, and electrical connections provided whereby each array may be grounded alternately so that real time sector imaging in two planes is obtained.
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patent: 4514247 (1985-04-01), Zola
patent: 4518889 (1985-05-01), T Hoen
"Properties of Composite Piezoelectric Materials for Ultrasonic Transducers' W. A. Smith et al., 1984 IEEE Ultrasonics Symposium, Dec. 1984.
"Performance of Ultrasonic Transducers Made from Composite Piezoelectric Materials", A. A. Shoulov et al., 1984 IEEE Ultrasonics Symposium, Dec. 1984.
Cannon, Jr. James J.
Haken Jack E.
Howell Kyle L.
Jaworski Francis J.
North American Philips Corporation
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