Scanner device and method for computed tomography imaging
First Claim
1. A scanner device adapted for computed tomography imaging of an object, comprising:
- a measurement device including an X-ray source device arranged for irradiating the object with at least one X-ray beam and a detector device arranged for detecting X-ray radiation transmitted through the object, wherein the X-ray source device has a fixed position relative the detector device such that a reference point of the X-ray source device and a reference point of the detector device have constant relative spatial coordinates; and
a carrier device accommodating the object in a position between the X-ray source device and the detector device, wherein;
the measurement device and the carrier device are capable of a scanning movement relative to each other along a curved path in a scanning movement plane that includes any beam path from the X-ray source device to the detector device,the carrier device is in a fixed position in space during the scanning movement,the measurement device is movable relative to the carrier device,the measurement device and the carrier device have a fixed orientation in space, such that reference directions of a device geometry are constant for both the measurement device and the carrier device during the scanning movement,the measurement device is movable such that a distance between the X-ray source device and the carrier device can be adjusted, andthe carrier device is movable such that a perpendicular distance of the carrier device relative to the scanning movement plane can be adjusted.
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Accused Products
Abstract
A scanner device for computed tomography imaging of an object, includes a measurement device including a source device arranged for irradiating the object with at least one beam and a detector device arranged for detecting radiation transmitted through the object, wherein the source device has a fixed position relative the detector device, and a carrier device accommodating the object in a position between the source device and the detector device, wherein the measurement device and the carrier device are capable of a scanning movement relative to each other, and the measurement device and the carrier device have a fixed spatial orientation during the scanning movement. Furthermore, a scanning method for computed tomography imaging of an object is described.
11 Citations
15 Claims
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1. A scanner device adapted for computed tomography imaging of an object, comprising:
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a measurement device including an X-ray source device arranged for irradiating the object with at least one X-ray beam and a detector device arranged for detecting X-ray radiation transmitted through the object, wherein the X-ray source device has a fixed position relative the detector device such that a reference point of the X-ray source device and a reference point of the detector device have constant relative spatial coordinates; and a carrier device accommodating the object in a position between the X-ray source device and the detector device, wherein; the measurement device and the carrier device are capable of a scanning movement relative to each other along a curved path in a scanning movement plane that includes any beam path from the X-ray source device to the detector device, the carrier device is in a fixed position in space during the scanning movement, the measurement device is movable relative to the carrier device, the measurement device and the carrier device have a fixed orientation in space, such that reference directions of a device geometry are constant for both the measurement device and the carrier device during the scanning movement, the measurement device is movable such that a distance between the X-ray source device and the carrier device can be adjusted, and the carrier device is movable such that a perpendicular distance of the carrier device relative to the scanning movement plane can be adjusted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A scanning method for computed tomography imaging of an object, comprising the steps of:
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providing the object on a carrier device in a measurement device between an X-ray source device and a detector device, wherein the X-ray source device has a fixed position relative the detector device, such that a reference point of the X-ray source device and a reference point of the detector device have constant relative spatial coordinates; irradiating the object with at least one X-ray beam created with the X-ray source device, detecting X-ray radiation transmitted through the object with the detector device, and conducting a scanning movement of the measurement device and the carrier device relative to each other along a curved path in a scanning movement plane that includes any beam path from the X-ray source device to the detector device, wherein the irradiating and detecting steps are repeated with a plurality of different projections angles of the beam relative to the object, wherein; the carrier device is in a fixed position in space during the scanning movement, the measurement device is moved relative to the carrier device, an orientation of the measurement device and the carrier device is fixed in space, such that reference directions of a device geometry are constant for both the measurement device and the carrier device during the scanning movement, a distance between the X-ray source device and the carrier device is adjusted by moving the measurement device, and a perpendicular distance of the carrier device relative to the scanning movement plane is adjusted by moving the carrier device. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification