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8170175 |
X-ray CT apparatus and a method for detecting magnetic pole position thereof
An X-ray CT apparatus includes a fixed gantry having a plurality of stator coils arranged in a circle and mounted on the fixed gantry. A ring-shaped rotation frame of the CT apparatus includes a...
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8164929 |
Controlled contactless power transmission
An inductive coupled power transmission circuit has a rotating transformer, including an AC voltage supply for feeding an AC voltage via a series capacitor into the primary winding of said rotating...
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8130900 |
Computed tomography gantry rotor
A rotor of a gantry of a computed tomography apparatus is produced at least in sections in a differential style from bar-shaped basic elements. Due to the differential style of the rotor, the...
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8129865 |
Inductive systems for non-contact transmission of electrical energy
An inductive rotary joint for non-contact transmission of electrical energy between a stationary part and a rotating part of the rotary joint comprises a power generator for generating an...
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8094774 |
X-ray computed tomography apparatus
A control unit performs helical scanning an subject while moving a top along a direction substantially parallel to a body axis. An acquisition unit acquires projection data via an X-ray detector. A...
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8094775 |
X-ray computer tomography apparatus including a pair of separably movable collimators
An X-ray computer tomography apparatus includes an X-ray tube, a two-dimensional array type X-ray detector, a rotating mechanism, a pair of collimators, a collimator moving mechanism which...
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8085896 |
Rigid computed tomography rotor and method for the manufacture thereof
A rotor for a gantry of a computed tomography apparatus, as well as a manufacturing method for such a rotor. The rotor according to the invention is produced at least in segments from a composite...
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8073098 |
Air bearing to support a body
An air bearing has a rotor having a circularly curved radial rotor bearing surface along its circumferential direction. The air bearing also has a stator having at least one radial stator bearing...
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8031828 |
Method and apparatus for computed tomography
In one embodiment, a first set of projection data is acquired using a first portion of a detector and a second set of projection data is acquired using a second portion of the detector. The second...
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8031830 |
X-ray CT apparatus and method of controlling a collimator and an angle to acquire X-ray data
In an X-ray CT apparatus, the X-ray tube generates an X-ray beam during a line-orbit scan, and the collimator plate shields a part of the X-ray beam other than the part that contributes to image...
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8021044 |
X-ray tomography apparatus
Fins are arranged on the rotating side of an X-ray computed tomography apparatus. The fins are rotated to generate airflow as the rotating side is rotated. This airflow serves to discharge wear...
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8000433 |
Method of creating images in computed tomography (CT), and CT device
A method is for image reconstruction for computed tomography with a non-one-dimensional, extended detector. The rays of the detector are weighted during the backprojection as a function of their...
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7997797 |
Computed tomography rotor rigidified by a metal matrix material
A computed tomography apparatus according to the invention ha a rotor that is produced at least in segments from a composite material with metal matrix reinforced with particles. Composite...
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7949090 |
X-ray CT apparatus and image reconstruction method
An X-ray CT apparatus is provided for reducing the amount of computation at image reconstruction thereby to shorten an image reconstruction time. The X-ray CT apparatus comprises a cradle which...
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7939806 |
Nuclear medicine imaging system having attenuation correction
A nuclear medicine (NM) imaging system having attenuation correction (AC) has a stationary portion having an NM rotating portion mounted thereon. At least one gamma camera head is mounted on the NM...
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7933377 |
Method of CT perfusion imaging and apparatus for implementing same
A CT system includes a scintillator array having a first length in an axial direction of the CT system, the scintillator array includes a plurality of scintillator cells along the first length. The...
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7927013 |
Computed tomography rotor, and gantry embodying same
A rotor, and a gantry and a computed tomography apparatus with such a rotor, has recess to accommodate at least one component of an image data acquisition device, and the recess is dimensioned such...
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7907698 |
Gated CT with irregular sampling for slow CT acquisition
A physiological parameter monitor (44) monitors a cyclic physiological parameter and generates a cyclic parameter phase indicative signal. A radiation system (8) is disposed adjacent an examination...
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7899149 |
Non-contacting rotary joint with clock modulation
A non-contacting data path for rotating data transmission of digital data from a data source to a data sink includes at least one clock modulator. A data clock frequency is specifically modulated...
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7899150 |
Computed tomography device including transmitters for contactless transmission of data and electrical power
A computer tomography device is provided. The computer tomography device includes a rotating part and a stationary part. The rotating part has an X-ray tube for radiographing an object to be...
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7889836 |
Device and method for data transfer with high data rate between two parts moving relative to one another at a slight distance
In a device and a method for data transfer between two parts moving relative to one another while maintaining a slight distance between the parts, a transmission device with at least one...
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7889835 |
System and method for detecting an object by dynamically adjusting computational load
A system and method for ascertaining the identity of an object within an enclosed article. The system includes an acquisition subsystem, a reconstruction subsystem, a computer-aided detection (CAD)...
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7885376 |
X-ray CT apparatus
An X-ray CT apparatus comprises a rotating part, a fixed frame and a stand. The rotating part mounts an X-ray tube and a detector. The fixed frame supports the rotating part. The stand settled to a...
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7885377 |
X-ray computer tomographic apparatus, medical imaging apparatus, and medical image display apparatus
An X-ray computed tomographic apparatus includes an X-ray tube, an X-ray detector, a rotating mechanism unit which continuously rotates the X-ray tube around a subject to be examined, together with...
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7885374 |
X-ray CT apparatus, a method for changing the helical pitch, an image reconstruction processing apparatus, an image reconstruction processing method, and an image reconstruction processing program
An X-ray computed tomography (CT) apparatus having an X-ray tube emitting an X-ray, a detector detecting X-rays transmitted through a subject to be examined, and a bed on which said subject to be...
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7881426 |
Method and system for performing a scan of an object
A method for generating an image of an object using a scanning system includes performing a first portion of a scan in a first scanning mode to acquire a first dataset, receiving a halt command for...
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7872241 |
Method and apparatus for production and maintenance of electron beam space-charge neutralization
An electron beam production and control assembly includes a vacuum chamber, a beam source, and a target. The target has an active section and an inactive section. The active section is adapted to...
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7864916 |
X-ray computer tomography apparatus
An X-ray computer tomography apparatus includes a cone beam X-ray tube X-rays, a two-dimensional array type X-ray detector, a rotating mechanism which supports the X-ray tube, together with the...
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7856078 |
Method and X-ray CT system for generating computed tomography displays
A method is disclosed for generating computed tomography displays, in which with the aid of at least one X-ray source, an examination object is scanned in a rotationally circulating fashion with a...
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7853089 |
Image processing apparatus and method for histological analysis
An automated method for analyzing whether all cancerous or abnormal tissue has been removed as a result of surgical resection is disclosed. A number of tissue section slides are prepared...
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7848479 |
Image reconstruction for a general circle-plus trajectory
Methods, apparatus and systems for an exact filtered back projection process for circle-plus trajectories, which consist of two components: C and L. The first component C, is analogous to a circle...
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7848478 |
System for optical communication between stationary and non-stationary parts and method of making same
An optical communication system includes a rotatable base having a plurality of optical sources and optical receivers mounted thereon, and a stationary base having a plurality of optical sources...
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7848481 |
X-ray CT apparatus
In an X-ray CT apparatus, an X-ray source and an X-ray detector mounted in a guide arm are freely movable in such a direction as to approach to and separate from a sample. With respect to this...
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7848790 |
System and method of imaging using a variable speed for thorax imaging
A system and method of medical imaging using a variable speed patient positioning table are provided. The patient positioning table is configured to operate at a plurality of table speeds during...
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7848482 |
X-ray CT device and method of manufacturing the same
An X-ray CT device, including a stationary part; a rotary part; an X-ray tube provided at the rotary part and that radiates X-ray beams on an object of imaging; an X-ray detector being provided at...
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7831011 |
Computed tomography method and system
An method of computed tomography is disclosed herein. The method includes acquiring an axial dataset and acquiring a helical dataset as part of an acquisition protocol. A computed tomography system...
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7826586 |
X-ray CT device and method of imaging using the same
An X-ray CT device including a stationary part; a rotary part rotatable relative to the stationary part; an X-ray tube provided at the rotary part for radiating X-ray beams on an object; an X-ray...
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7822171 |
Cone beam computed tomography with multiple partial scanning trajectories
A computer tomography apparatus (100) for examination of an object of interest (107) comprising an electromagnetic radiation source (104) adapted to emit electromagnetic radiation to an object of...
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7817773 |
Variable speed three-dimensional imaging system
A method and apparatus for imaging an object including the steps of projecting radiation from a radiation source through an object and moving the radiation source through multiple imaging positions...
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7811092 |
Rotary electrical contact device
A rotary electrical contact device includes a stationary member configured to be coupled to a base, and a rotatable member supported for rotation relative to the stationary member and defining a...
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7807981 |
Data processing device, tomography apparatus for examination of an object of interest, method of examining an object of interest, computer-readable medium and program element
A data processing device, comprising a plurality of emitter antennas arranged on a movable data acquisition device and adapted to emit electromagnetic radiation including data acquired by the...
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7778387 |
Reconstruction method for helical cone-beam CT
The invention relates to a method and a system for the reconstruction of an object function (f(x)) based on projections acquired during the motion of a radiation source on a helical trajectory...
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7774040 |
Method and apparatus of multi-phase cardiac imaging
A method and apparatus for multi-phase cardiac CT imaging includes an adaptive, selective reconstruction process that, when possible, implements an image or non-phase location driven reconstruction...
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7760851 |
Device for non-contacting transmission of electrical signals in a computed tomography system
In a device for contact-free transmission of electrical signals between two gantry parts of a computed tomography system that rotate relative to one another, at least one annular, circumferential...
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7760850 |
X-ray computed tomographic apparatus
An X-ray computed tomographic apparatus includes a rotary frame, a mechanism which rotatably supports the rotary frame, an X-ray tube which is mounted to the rotary frame, an X-ray detector which...
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7756242 |
X-ray CT apparatus and scan control method
The present invention is directed to realize an X-ray CT apparatus and a scan control method of performing contrast imaging by a helical shuttle scan with a smaller exposure amount. An X-ray CT...
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7734009 |
Angiographic x-ray diagnostic device for rotation angiography
The invention relates to an angiographic x-ray diagnostic device for rotation angiography with an x-ray emitter which can be moved on a circular path about a patient located on a patient support...
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7734079 |
Methods and apparatus for image reconstruction
Methods and apparatus for producing an image of an object with a multi-slice imaging apparatus having a row of detectors are provided. The method includes generating a first partial image using...
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7724866 |
Method of and system for variable pitch computed tomography scanning for baggage screening
A method of and a system for variable pitch CT scanning for baggage screening and variable pitch image reconstruction are disclosed. The method comprises decelerating conveyor belt speed when...
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7717619 |
Contactless power and data transmission apparatus
Methods and apparatus for an imaging system are provided. The imaging system includes a gantry having a stationary member coupled to a rotating member. The rotating member has an opened area...
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