Surgery – Truss – Pad
Patent
1983-11-14
1986-02-25
Howell, Kyle L.
Surgery
Truss
Pad
128661, 358112, A61B 1000
Patent
active
045722021
ABSTRACT:
A method and apparatus for high-speed ultrasonic imaging of very rapidly moving bodily structures. A transducer produces sequential data frames corresponding to sequential images of bodily cross-sections produced by periodically scanning a body with an ultrasound beam produced by the transducer. Reflected ultrasonic echo pulses are digitized and stored in a memory array in which each data frame is stored in a single segment of a plurality of memory segments which form the memory. The transducer periodically scans the body at a predetermined first rate, whereas the sequential display of the sequential data frames occurs at a second predetermined rate which is different from the first rate. The system permits acquisition of data at a rate which is greater than the perception rate of the human eye and display of the acquired data at a rate which can be visualized by a human observer. An electrocardiogram generates a first control signal for controlling the transducer scan rate and a second control signal for timing the data storage can be triggered to occur at a desired portion of a cardiac cycle, e.g., when an abnormal cardiac event occurs.
REFERENCES:
patent: 3954098 (1976-05-01), Dick et al.
patent: 3974826 (1976-08-01), Eggleton et al.
patent: 4034744 (1977-07-01), Goldberg
patent: 4070905 (1978-01-01), Kossoff
patent: 4106492 (1978-08-01), Schuette et al.
patent: 4271842 (1981-06-01), Specht et al.
Elscint Inc.
Howell Kyle L.
Jaworski Francis J.
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