Surgery – Truss – Pad
Patent
1983-08-04
1985-09-17
Howell, Kyle L.
Surgery
Truss
Pad
73626, A61B 1000
Patent
active
045414360
ABSTRACT:
The invention involves an ultrasonic tomography device having an ultrasonic transmitting and receiving system for scanning an object under examination from different angles line by line, a fluid tank for immersing the object to be examined, a cover for the fluid tank with a round opening in the center for inserting the object under examination, and a support for an ultrasonic transmitting and receiving system which rotates in the fluid tank around an essentially vertical axis aligned toward the round opening in the center of the cover. In the case of such ultrasonic tomography devices, there is both the requirement of obtaining information from areas as close to the chest wall as possible, and the necessity of distinguishing localized information that can be traced back to artifacts, from real localized information. For this purpose, the invention provides an additional horizontal axis, intersecting the vertical axis just a few millimeters below the surface of the fluid, which is attached to a second angled support rotating around a vertical axis. From this additional horizontal axis is suspended a revolving, essentially L-shaped support bearing a second ultrasonic transmitting and receiving system on its free end that is capable of revolving through the median perpendicular to the central opening in the cover, and whose direction of radiation is aligned to the mid-point of the central opening in the cover. An ultrasonic tomography device designed in accordance with the invention is particularly suited for use in medical technology.
REFERENCES:
patent: 4105018 (1978-08-01), Greenleaf et al.
patent: 4233988 (1980-11-01), Dick et al.
patent: 4322974 (1982-04-01), Abele et al.
patent: 4339952 (1982-07-01), Foster
patent: 4362058 (1982-12-01), Abele
patent: 4455872 (1984-06-01), Kossoff et al.
Resolution & Image Quality by Ultrasonic Echo Tomography: Experimental Approach, by Hundt et al., Siemens AG.
Ultrasonic Reflectivity Tomography: Reconstruction with Circular Transducer Arrays, by Norton & Linzer (1979).
Hassler Dieter
Mittelstaedt Wolfgang
Howell Kyle L.
Jaworski Francis J.
Jay Mark H.
Siemens Aktiengesellschaft
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