Video-Photographic System For Rapid Inexpensive Unit-Record Recording And Flexible Replay Of Real-Time Ultrasonic Imaging Of The Breast

Bayard Gardineer; Charles Howlett; Sidney Krieger; Gerard Lazzaro; David Lyons; Reuben Mezrich; Donald Wiseman

doi:10.1117/12.931822

16 July 1981 Video-Photographic System For Rapid Inexpensive Unit-Record Recording And Flexible Replay Of Real-Time Ultrasonic Imaging Of The Breast

Bayard Gardineer, Charles Howlett, Sidney Krieger, Gerard Lazzaro, David Lyons, Reuben Mezrich, Donald Wiseman

Author Affiliations +

Proceedings Volume 0273, Application of Optical Instrumentation in Medicine IX; (1981) https://doi.org/10.1117/12.931822
Event: Application of Optical Instrumentation in Medicine, 1981, San Francisco, United States

Abstract

Much of the information in real-time ultrasonic imaging examination is lost when only a few of the scan planes are recorded. Recording of all scan planes is particularly desirable in the examination of the breast, where there are few anatomical landmarks and discovery of small lesions leads to the best prognosis. We have developed a system that allows such recording and provides for playback in a very flexible manner: the images can be reviewed at a rate from zero (static) to 30 frames per second, forward or backward, with "instantaneous" reversal or stopping in the progression of images under review. The images are stored as two rings of 120 images each, one ring per breast, on a disc of photographic material. The developed disc is placed in a reader which spins it at a constant 60 rev/sec. By counting the timing marks recorded along with the images (obviating tight mechanical tolerances) any selected image can be flashed onto a TV camera by a strobe unit controlled by the timing-mark count. As there is no mechanical inertia, the rate of change in the selected image can proceed at any rate up to the monitor and is applicable for use with formatters, VTR, etc., for further image recording. The recording disc is small (8" dia-meter) and inexpensive (<$5) and provides an archival unit record for inclusion in patient files.

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Bayard Gardineer, Charles Howlett, Sidney Krieger, Gerard Lazzaro, David Lyons, Reuben Mezrich, and Donald Wiseman "Video-Photographic System For Rapid Inexpensive Unit-Record Recording And Flexible Replay Of Real-Time Ultrasonic Imaging Of The Breast", Proc. SPIE 0273, Application of Optical Instrumentation in Medicine IX, (16 July 1981); https://doi.org/10.1117/12.931822

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