US 5,570,403 A · X-ray CT imaging apparatus with varied energy level detection capability

Abstract

An X-ray computerized tomographic (CT) imaging apparatus which can achieve a multiple energy scanning system on a real time basis so that plural kinds of tomographic information can be obtained corresponding to plural types of energy characteristics. The X-ray CT imaging apparatus includes: an X-ray tube for irradiating an X-ray to a biological body under medical examination; a plurality of detection systems for detecting an X-ray energy transmitted through the biological body, in which the plural detection systems have different energy characteristics respectively; a data acquisition unit for acquiring respective transmission X-ray energy data of the biological body which are detected by the plural detection systems; and a reconstruction unit for reconstructing a tomographic image for the biological body in accordance with data from the data acquisition unit.

Claims4

Dependent claims

An X-ray computerized tomographic (CT) imaging apparatus comprising:

an X-ray tube for irradiating X-rays to a biological body under medical examination;
a plurality of detection systems for detecting an X-ray energy transmitted through the biological body, the plural detection systems having different energy characteristics respectively;
data acquisition means for acquiring respective transmission X-ray energy data of the biological body which are detected by the plural detection systems;
reconstruction means for reconstructing a tomographic image for the biological body in accordance with data from the data acquisition means;
and
switch means for switching between a dual-energy scanning mode and a multi-slice scanning mode.

3 more elements

Dependencies are inferred from the claim text.

X-ray CT imaging apparatus with varied energy level detection capability

Life of this patent

X-ray CT imaging apparatus with varied energy level detection capability

Life of this patent

Abstract

Claims4