An endoscopic micromanipulator for multiplanar transesophageal imaging
作者： Roy W. Martin , G. Bashein , Roy Zimmer , John Sutherland
DOI: 10.1016/0301-5629(86)90065-7
关键词: Short axis 、 CTD 、 Iterative reconstruction 、 Computer science 、 Micromanipulator 、 Surgery 、 Biomedical engineering 、 Ultrasonic sensor 、 Reconstruction method 、 Cardiac imaging 、 Phased array
摘要: Abstract We have developed an esophageal probe with a precision micromanipulator and transversely oriented 32 element ultrasonic array which operates at 3.5 MHz. The allows us to obtain multiple two-dimensional images of the heart known angular relationships between them over series cardiac cycles. Our ultimate purpose is acquire for left ventricular volume estimation three-dimensional reconstruction method. Technical details design are given. In vitro tests shown that imaging plane can be angulated within 1.5° root mean square error. vivo results dogs demonstrated its ability multiplanar short axis heart.
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