05181514 is referenced by 79 patents and cites 10 patents.

An endoscope ultrasound probe for use with an ultrasound imaging system in transesophageal echo cardiography comprises a motorized positioning system which provides for automated control of an ultrasound transducer array. The positioning system employs an electric motor for rotating the array which is positioned in the distal end of the probe. A switch mechanism may be manipulated to provide power to actuate the motor. The motor is mechanically coupled to the array providing the capability to rotate the array to any angular position to provide a plurality of scan planes for obtaining a plurality of corresponding two-dimensional cross-sectional images. Further, the positioning system may comprise a position feedback mechanism coupled to the array for providing remote imaging system electronics with array position indications corresponding to each of a plurality of corresponding two-dimensional cross-sectional images. Also, the positioning system may be electronically controlled by a controller in the imaging system for providing three-dimensional images of a subject.

Title
Transducer positioning system
Application Number
7/703648
Publication Number
5181514
Application Date
May 21, 1991
Publication Date
January 26, 1993
Inventor
James T Fearnside
Lexington
MA, US
George Gruner
Everett
WA, US
Martin K Mason
Andover
MA, US
Rodney J Solomon
Needham
MA, US
Assignee
Hewlett Packard Company
CA, US
IPC
A61B 8/00
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