JP2004085274A5 - - Google Patents

Claims (9)

An X-ray imaging apparatus comprising: an X-ray generator that irradiates an object to be imaged with X-rays; and an X-ray transmission image pickup device that obtains a transmission image of the object to be captured by X-rays transmitted through the object to be imaged In
A plurality of shields manufactured in advance according to the shape of a plurality of types of imaging objects;
Selecting means for selecting a shape corresponding to the object to be imaged from the plurality of shields;
And characterized in that it comprises driving means for moving the shield selected by said selection means, before Symbol plane intersecting the imaging optical axis of the irradiation optical axis or the X-ray transmission imaging device of the X-ray generator X-ray imaging apparatus. A reflected image imager for obtaining a reflected image of the object;
Discriminating means for discriminating the shape of the object to be imaged based on the reflection image obtained by the reflection image capturing device;
The X-ray image capturing apparatus according to claim 1, wherein the selecting unit is configured to select a shield according to the shape of the object to be imaged determined by the determining unit. An X-ray imaging apparatus comprising: an X-ray generator that irradiates an object to be imaged with X-rays; and an X-ray transmission image pickup device that obtains a transmission image of the object to be captured by X-rays transmitted through the object to be imaged In
A plurality of shields provided independently movable,
Each shield, before Symbol X-ray imaging apparatus characterized by comprising a driving means for moving in a plane intersecting the imaging optical axis of the X-ray generator irradiate an optical axis or the X-ray transmission imaging instrument . A reflected image imager for obtaining a reflected image of the object;
Discriminating means for discriminating the shape of the object to be imaged based on the reflection image obtained by the reflection image capturing device;
The X-ray image capturing apparatus according to claim 3, wherein the driving unit is configured to move each shield according to the shape of the imaging object determined by the determining unit.   5. The X-ray imaging apparatus according to claim 3, wherein each of the plurality of shields has a long bar shape or a belt shape in a moving direction thereof.   The plurality of shields are provided in two rows parallel to each other in the width direction, and these two rows of shields are used as an irradiation optical axis of the X-ray generator or imaging light of the X-ray transmission image pickup device. 6. The X-ray imaging apparatus according to claim 5, wherein the X-ray imaging apparatus is disposed so as to sandwich the axis. An X-ray imaging apparatus comprising: an X-ray generator that irradiates an object to be imaged with X-rays; and an X-ray transmission image pickup device that obtains a transmission image of the object to be captured by X-rays transmitted through the object to be imaged In
A container that is installed between the X-ray generator and the X-ray transmission image pickup device and accommodates the object to be picked up;
An X-ray imaging apparatus comprising: an X-ray shielding material filled in the container to cover the periphery of the object to be imaged.   The X-ray imaging apparatus according to claim 7, wherein the X-ray shielding material is iron powder or liquid metal.   An X-ray generator for irradiating an object to be imaged with X-rays, and an X-ray transmission image imager for obtaining a transmission image of the object to be imaged by backscattered X-rays from the object to be imaged X-ray imaging apparatus.