Device for measuring radiation absorption in a section of a body
AssigneeU.S. Philips Corporation
InventorsKlaus Pasedach, Wolfgang Wagner
Life of this patent
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Abstract
A device for examining a body section by means of x-radiation including a plurality of detectors arranged to intercept radiation passing through the body in straight lines or strips and a calculating circuit which interpolates, on the basis of absorption values measured, absorption values which can be expected along sets of mutually extending strips which cross each other at different angles. The absorption in the section of the body can then be calculated in known manner on the basis of these values.
Claims11
A device for measuring radiation absorption in a section of a body, comprising a radiation source emitting a wedge-shaped flat beam which irradiates the body, a series of adjacently arranged radiation detectors for the local measurement of a transmitted part of the radiation in different positions of the source and the detectors with respect to the body, means for calculating the absorption in the section to be measured on the basis of the measuring values obtained, and means to calculate integral values of the absorption along mutually crossing sets of mutually parallel extending strips by interpolation of measuring values, the integral values being processed by the means for calculating the absorption in the section of the body.
Dependencies are inferred from the claim text.