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| Number | Title | Issue Date |
| 8340242 | Device to transfer high frequency electrical signals between a rotating component and a stationary component A device for the transfer of high frequency electrical signals between a rotating component and a stationary component, in particular for use in a CT system, in particular in a gantry of a CT system has a rotor, a stator; at least one brush attached at the stator, w... | 12/25/2012 |
| 8320520 | X-ray CT apparatus and method of controlling thereof In an X-ray Computed Tomography apparatus according to an embodiment, an angle determining unit determines an angle indicating a position of an X-ray radiation unit in a circular orbit at a moment to start radiation after a return of reciprocation, based on a time f... | 11/27/2012 |
| 8295431 | Non-contacting rotary joint A rotary joint for transmission of data from a data source to a data sink, between a rotating part and a stationary part, includes a transmission line arrangement fed from a transmission means, and also a receiving means which taps signals from the transmission line... | 10/23/2012 |
| 8270563 | Diagnostic scanning apparatus An apparatus includes an annular rotor that rotates about a rotational axis. A magnetic bearing system influences the position of the annular rotor in three-dimensional space and includes at least three actuators, wherein at least one actuator generates a force for ... | 09/18/2012 |
| 8213568 | Dynamic collimation in cone beam computed tomography to reduce patient exposure When performing a fly-by or helical CT scan of a subject, radiation dose is limited by positioning a dynamic collimator (142) between the subject and an X-ray source (112). The collimator moves axially with the X-ray source (112) along a volume ... | 07/03/2012 |
| 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 plurality of rotor magnets facing the plurality of stator coils. The CT... | 05/01/2012 |
| 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 rotation mass is reduced to a significant degree given a simultaneously ma... | 03/06/2012 |
| 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 separately moves the pair of collimators in a direction almost parallel to a ... | 01/10/2012 |
| 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 projection data extraction unit extracts a projection data set neces... | 01/10/2012 |
| 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 surface partially enclosing the rotor in the circumferential direction... | 12/06/2011 |
| 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 reconstruction. The part of the X-ray beam which contributes to the ima... | 10/04/2011 |
| 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 moves in a horizontal direction to convey a subject to a photography spa... | 05/24/2011 |
| 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 examined with X-rays and a detector for detecting the X-rays transmitted th... | 03/01/2011 |
| 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 transmission antenna (connected with a transmitter) and a reception device with... | 02/15/2011 |
| 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 the X-ray detector, a data storage unit which stores projection data... | 02/08/2011 |
| 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 floor supports the fixed frame. The stand includes a lower member, s... | 02/08/2011 |
| 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 measured dose rate dependent on the circulation angle, projection dat... | 12/21/2010 |
| 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 the rotary part and that detects the X-ray beams; an image processor ... | 12/07/2010 |
| 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 movement, the center of gravity of the whole containing respective consti... | 12/07/2010 |
| 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 detector provided at the rotary part opposing the X-ray tube, and that... | 11/02/2010 |
| 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 relative to the object without stopping movement of the radiation so... | 10/19/2010 |
| 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 transmitter element is mounted on one gantry part to transmit the elec... | 07/20/2010 |
| 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 is mounted to the rotary frame, a plurality of rotor magnets which is ... | 07/20/2010 |
| 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 apparatus for performing contrast imaging by repeating a reciprocating h... | 07/13/2010 |
| 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 additional time is needed to render a decision on a complex bag; accelerat... | 05/25/2010 |
| 7706500 | X-ray CT apparatus The supporter supports a patient and is disposed movably along the body axis direction of said patient. The imaging part includes an X-ray-generator and an X-ray-detector. The X-ray-generator irradiates X-rays while rotating around the body axis. The X-ray-detector ... | 04/27/2010 |
| 7684539 | X-ray tomograph A tomograph which determines projection data phase range capable of back projection for each reconfigured voxel with an arbitrary value larger than π so that the absolute values of cone angles at the ends of this phase range is minimized, calculates an approximate ... | 03/23/2010 |
| 7668287 | Radiation CT apparatus An imaging section includes a radiation source that emits radiation, a detecting panel for detecting the radiation, and a rotating section for integrally rotating the radiation source and the detecting panel about a rotating axis. The radiation source and the detect... | 02/23/2010 |
| 7639776 | X-ray CT apparatus The present invention aims to obtain a tomographic image similar in image quality to a tomographic image obtained by executing a scan at X-ray tube current value set by an X-ray automatic exposure function even when the X-ray tube current value set by the X-ray auto... | 12/29/2009 |
| 7623619 | X-ray CT apparatus An X-ray CT apparatus that achieves a higher quality of reconstructed CT images by preventing displacements of relative positions of the X-ray tube and the X-ray detector from occurring, including a front side rotation frame configured to mount at least one X-ray tu... | 11/24/2009 |
| 7551711 | CT scanner including a camera to obtain external images of a patient A CT scanner includes a gantry that supports and houses components of the CT scanner. A camera is mounted to the gantry. As the gantry rotates about an axis of rotation, the camera captures a photographic external image of the patient at a plurality of rotational po... | 06/23/2009 |
| 7542542 | X-ray computed tomography apparatus A computed tomography apparatus is capable of adjusting rotational balance of gantry rotating part in a wide range with easy control. A computed tomography apparatus 100 comprises a rotating part 130 having an X-ray tube 102, a rotating part ... | 06/02/2009 |
| 7539281 | Methods and apparatus for reconstruction in helical cone beam volumetric CT A method for reconstructing an image of an object utilizing a cone-beam volumetric computed tomographic imaging apparatus includes helically scanning the object with a radiation source utilizing the cone-beam volumetric computed tomographic imaging apparatus, select... | 05/26/2009 |
| 7529335 | Voxel-driven spiral reconstruction for cone-beam computer tomography A method is disclosed for generating computer tomography images using a 3D image reconstruction method. According to the method, to scan an object to be examined using a cone-shaped bundle of rays originating from a focal point and a planar, preferably multi-line de... | 05/05/2009 |
| 7522697 | X-ray CT apparatus The present invention is to easily associate X-ray projection data and scanning table z-direction coordinate information with each other. Using set parameters of the operations of a scanning gantry and a scanning table, the association of the X-ray projection data a... | 04/21/2009 |
| 7519144 | Multi-positional CT image producing method and X-ray CT apparatus A method of producing CT images at a plurality of positions in phase, wherein data are collected by an axial or helical scan using a multi-row detector, and a plurality of CT images at different slice positions are produced from the data collected by one axial or he... | 04/14/2009 |
| 7508903 | Collimator control method and X-ray CT apparatus A collimator control method for an X-ray CT apparatus includes changing an aperture of the collimator according to a position of a helical scan on the body axis of the subject in the progress of the helical scan. ... | 03/24/2009 |
| 7508904 | X-ray CT apparatus An X-ray CT apparatus, wherein a drum type rotation frame is rotatably supported by a fixed circular frame so as to surround an outer surface of the drum type rotation frame through a plurality of bearings provided between an inner surface of the fixing circular fra... | 03/24/2009 |
| 7502438 | X-ray CT apparatus and medical data communication link system A receiving medium comprising N components is assigned to a channel comprising N components respectively and provided along the circumference around which a rotating frame rotates. At a position facing the receiving medium corresponding to the rotation, the transmis... | 03/10/2009 |
| 7492856 | Apparatus and method for providing an orthographic projection from helical scan data An apparatus and method for providing a projection image directly from data acquired by a CT scanner, the method comprising: acquiring an amount of data corresponding to an entire object that is scanned by the CT scanner, wherein the amount of data is generated by a... | 02/17/2009 |
