Acquisition and display of ultrasonic images from sequentially oriented image planes
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United States of America Patent
Stats
-
Oct 4, 1994
Grant Date -
N/A
app pub date -
Nov 21, 1991
filing date -
Nov 22, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic imaging system is disclosed which produces a sequence of images of planes of a subject including both image and spatial positional information of the image plane. In one embodiment the positional information is developed from a plurality of accelerometers located within a scanhead. The second integrals of the acceleration signals are used to determine positional information of the image plane. In a second embodiment a transmitter transmits a magnetic field and a receiver attached to the scanhead detects the position of the scanhead in relation to the transmitted magnetic field. Spatially related images are displayed by displaying one image plane in the plane of the display and a second image plane projected in relation thereto. Either of the displayed planes may be displayed in outline form, and the outline may be modulated to depict depth.
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