Three-dimensional system for abdominal aortic aneurysm...

Details Three-dimensional system for abdominal aortic aneurysm... Three-dimensional system for abdominal aortic aneurysm...

2005-06-14

2005-06-14

Jaworski, Francis J. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C128S916000

Reexamination Certificate

active

06905468

ABSTRACT:
A data collection device obtains three-dimensional ultrasound scan information of a portion of the abdominal aorta. A plurality of transducer elements are arranged to provide overlapping coverage. The data collection device is first positioned over the aorta by an operator; a one-dimensional scan with a Doppler sound generator operating on the blood flow is used to verify proper initial positioning of the device. Three-dimensional scan information is then obtained and converted from plane coordinates into spherical coordinates such that the resulting converted scan line planes are perpendicular to the aorta. The information in each converted scan line plane is then processed to determine the boundaries of the aorta, from which diameter information is then calculated. Diameter measurements over a given region of the aorta can be used to determine and monitor an aneurysm in the aorta.

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Santilli, J.D. et al , Diagnosis and Treatment of Abdominal Aortic Aneurysms, Amer. Family Physician V.56 No. 4, Sep. 15, 1997.

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