US PATENT SUBCLASS 378 / 18
.~.~ With tissue equivalent material

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

1  DF  SPECIFIC APPLICATION {14}
4  DF  .~ Computerized tomography {13}
18.~.~ With tissue equivalent material

DEFINITION

Classification: 378/18

With tissue equivalent material:

(under subclass 4) Subject matter including use in the path of the X-rays of a material whose X-ray absorption characteristics are similar to those of the object to be examined for purposes such as path length compensation.

(1) Note. Surrounding a human being with water is one example of the subject matter found here.

(2) Note. This subclass also includes "examination phantoms" such as manikins.

SEE OR SEARCH THIS CLASS, SUBCLASS:

156, for X-ray filters.

SEE OR SEARCH CLASS

250, Radiant Energy,

505.1, for examination phantoms in general.