| Patent Number |
Title Of Patent |
Date Issued |
| D486898 |
Heat exchanger |
February 17, 2004 |
|
| D457885 |
Scanner for nuclear magnetic resonance tomographic apparatus |
May 28, 2002 |
|
| D447803 |
Nuclear magnetic resonance tomographic apparatus |
September 11, 2001 |
|
| 7623615 |
X-ray CT image reconstruction method and X-ray CT system |
November 24, 2009 |
| An X-ray CT image reconstruction method includes turning a fan-shaped X-ray beam, which is thick and irradiated to a subject, about the subject, detecting projection data items concerning an X-ray beam, which is transmitted by the subject, with the X-ray beam turned by a plurality of |
| 7622925 |
Parallel MR imaging method with MRI multi-turn coils having different pitch/sensitivity distribu |
November 24, 2009 |
| An MRI coil capable of improving an SNR (signal-to-noise ratio) includes a pair of multi-turn coils disposed to face each other in an x-direction across a space for accommodating a subject, and the center of turns of the first multi-turn coil is biased in a (-y)-direction, and the center |
| 7621007 |
Multiconfiguration braking system |
November 24, 2009 |
| Certain embodiments include a system and method for braking in a patient positioning system. The system includes a patient positioning surface for supporting a patient, a first brake for affecting motion of the patient positioning surface, and a second brake for affecting motion of the |
| 7608044 |
Ultrasonic image display method and ultrasonic diagnosis apparatus |
October 27, 2009 |
| An ultrasonic image display method for displaying a composite image made from a B mode image and a tissue velocity image of an object taken by means of ultrasound. The method includes decreasing the weight of the B mode image while increasing the weight of the tissue velocity image, in |
| 7606345 |
X-ray CT apparatus |
October 20, 2009 |
| An X-ray CT apparatus enables decreasing the degradation of image quality and reducing futile exposure to X-ray in a helical shuttle scan. The X-ray CT apparatus comprises: a gantry rotating device having an X-ray generator for generating the X-ray and an X-ray detector for detecting |
| 7605588 |
RF coil assembly |
October 20, 2009 |
| The present invention aims to provide an RF coil assembly capable of eliminating the need for connecting and disconnecting an electric path at decoupling portions and is an RF coil assembly including: a plurality of coil loops that are adjacent to each other in sequence and construct a |
| 7604403 |
X-ray irradiating apparatus and X-ray imaging system |
October 20, 2009 |
| An X-ray irradiating apparatus includes an X-ray tube attached to a front end of a column suspended from a carriage, the carriage being displaceable along a rail parallel to a ceiling. The X-ray irradiating apparatus includes a power supply cable fixed at one end thereof to the carri |
| 7599579 |
Interpolated image filtering method and apparatus |
October 6, 2009 |
| A technique for processing a digital image in which an operator selection of a field of view triggers the automatic selection of a shrink factor, so that image processing and quality is uniform regardless of the operator selection. Processing of the image includes shrinking the image |
| 7596205 |
X-ray hybrid diagnosis system |
September 29, 2009 |
| An X-ray hybrid diagnosis system includes a single power supply, an X-ray radiography unit, an X-ray CT unit, and a single control console. The single power supply powers X-ray CR system having first X-ray tube and X-ray CT system having second X-ray tube. The X-ray radiography unit |
| 7595713 |
Magnetic field generator for MRI and method of covering magnetic field generator for MRI |
September 29, 2009 |
| A magnetic field generator for MRI comprises a generator main body and a covering member for covering the whole generator main body, and the covering member is made of a non-magnetic material, for example a closely woven fabric of stainless steel, aluminum, copper, nylon, cotton, hemp, |
| 7590306 |
Resolution adaptive image filtering system and method |
September 15, 2009 |
| A technique is provided for improving digital images by analysis of the sampling rate of the image data. The optimal sampling rate is determined, such as based on the point-spread function of the imaging system, and is compared to the actual pixel sampling rate. Based upon the comparison |
| 7580501 |
CT image reconstruction method, CT apparatus, and program |
August 25, 2009 |
| A CT image reconstruction method includes substituting other projection data, which has a predetermined positional relationship to projection data that is found defective during scanning, for the defective data, and interpolating back projection data using a value and information on a |
| 7576541 |
RF coil for MRI apparatus, method of using RF coil for MRI apparatus, and MRI apparatus |
August 18, 2009 |
| A RF coil according to the invention is made up of an 8-shaped coil having a crossed conductive path, and an impedance adjustment coil that performs connection between crossing points of the conductive path. The crossing points of the conductive path are connected in parallel by the impe |
| 7576537 |
RF pulse applying method with an MRI apparatus which reduces vertical magnetization |
August 18, 2009 |
| The present invention aims to receive a signal of tissue long in T2 at a relatively high level and suppress artifacts. When a magnetic resonance frequency of a component intended for measurement is assumed to be .OMEGA. and the frequency corresponding to a repetition time TR is assum |
| 7575373 |
Cassette tray and X-ray imaging apparatus |
August 18, 2009 |
| A cassette tray includes a front clamp, a rear clamp, and opposing side clamps. A front clamp supporting unit supports the front clamp such that the front clamp may be moved in a direction vertical to a surface of the X-ray film cassette. A rear clamp supporting unit supports the rear cl |
| 7573269 |
Method and apparatus for acquiring magnetic resonance imaging data |
August 11, 2009 |
| A method for generating a magnetic resonance image of a moving subject comprises tracking the position and orientation of a target volume and modifying acquisition parameters for each line of k-space data using current position and orientation information. By approximating the target |
| 7567831 |
Respiratory measurement system and method related thereto |
July 28, 2009 |
| A respiratory measurement system and a method for measuring respiratory motion are provided. The system includes a strapping device that is configured to be placed across a chest of a person. The strapping device is substantially transparent to x-rays. The system further includes a s |
| 7565190 |
Cardiac CT system and method for planning atrial fibrillation intervention |
July 21, 2009 |
| A method for planning atrial fibrillation (AF) intervention for a patient includes obtaining acquisition data from a medical imaging system, and generating a 3D model of the left atrium and pulmonary veins of the patient. One or more left atrial anatomical landmarks are identified on |
| 7564942 |
X-ray CT apparatus |
July 21, 2009 |
| An X-ray CT apparatus permitting compatibility between the resolution orientation and the coverage orientation at low cost is to be realized. The X-ray CT apparatus uses as the X-ray detector what has a former half channel part and a latter half channel part which are the same in the |
| 7564242 |
MR data acquisition method, MR image construction method, and MRI system |
July 21, 2009 |
| An MR data acquisition method for acquiring data D_.phi.fat according to a steady-state pulse sequence specifying that a phase of an RF pulse is varied in order of 0, 1.times..phi.fat, 2.times..phi.fat, etc., wherein .phi.fat=(2-TR/T_out+2.times.m).times..pi. is established on an ass |
| 7563229 |
Method and apparatus for automatically measuring delay of tissue motion and deformation |
July 21, 2009 |
| System and method for automatically measuring the delay of tissue motion and deformation. For example, asynchrony may be measured between the left and right ventricles and within the left ventricle. A measurement feature may be defined by default or obtained using a user input. A referen |
| 7561660 |
Radiation CT system and data acquisition system |
July 14, 2009 |
| A CT system including a multi-array detector that includes a plurality of detector cell, a data acquisition system that acquires data items representing doses of radiation incident on the detector according to output signals of the detector cells, and a data processing unit that iden |
| 7560933 |
MRI apparatus and RF pulse generating circuit |
July 14, 2009 |
| An MRI apparatus includes: an RF coil to which analog RF pulse signals are applied; an RF pulse generating circuit which generates said analog RF pulse signals; and a magnetic resonance signal receiving circuit which receives analog magnetic resonance signals and converts these signals |
| 7560931 |
Switching device compatible with RF coil and magnetic resonance imaging system |
July 14, 2009 |
| With the objective of providing a switching apparatus capable of reducing a geometrical size while a radiation loss is being suppressed, the switching apparatus that switches a state of an RF coil of an MRI between an effective state and an ineffective state, comprises a coaxial cable |
| 7560924 |
Magnetic resonance imaging apparatus and magnetic resonance imaging method |
July 14, 2009 |
| A magnetic resonance imaging apparatus has a controller which controls an operation of a scan section in such a manner that the scan section executes a scan in an imaging sequence, based on the imaging sequence condition set so as to correspond to a slice tracking method by an imagin |
| 7558365 |
Scanning detection device of an X-ray CT apparatus, an X-ray CT system, and method of operation |
July 7, 2009 |
| Method of operating an X-ray CT apparatus and the corresponding apparatus and system thereof. A method includes analyzing scout scan data to obtain a position with a minimum noise index and a position with a maximum noise index, calculating noise indexes at the two positions in a range o |
| 7556427 |
X-ray radiography apparatus and X-ray generator moving device |
July 7, 2009 |
| The present invention provides an X-ray radiography apparatus constructed so as to be capable of moving an X-ray generator to as low a position as possible. A X-ray radiography apparatus is of the X-ray radiography apparatus that includes a table which has a transverse direction and a |
| 7549799 |
Radiograhic system |
June 23, 2009 |
| A radiographic system (100) is provided wherein a single X-ray detector can be handled freely using a cable and which can prevent an operator or a patient from being troubled by the cable. The radiographic system (100) comprises a radiographic panel (5) configured to radiograph in two |
| 7548640 |
Method and apparatus for calibration and correction of gray levels in images |
June 16, 2009 |
| A method and apparatus for calibrating an apparatus that acquires a sequence of radiographic images and correcting images of an object under observation. For each image of a sequence acquired by the apparatus and for a given frequency of acquisition of the sequence, the apparatus is |
| 7542542 |
X-ray computed tomography apparatus |
June 2, 2009 |
| 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 130 having an X-ray detector for detecting |
| 7541810 |
RF coil and magnetic resonance imaging apparatus |
June 2, 2009 |
| For the purpose of making available an RF coil which makes possible a reduction in elements to be controlled in varying the size of the RF coil, there are provided an original loop unit, a conductor so connected to the original loop unit as to split the original loop unit into split |
| 7541809 |
Magnetic resonance imaging apparatus |
June 2, 2009 |
| A magnetic resonance imaging apparatus which executes an imaging sequence for obtaining, as imaging data, magnetic resonance signals each generated from a spin excited at a subject within a static magnetic field space and produces an image about the subject, based on the imaging data obt |
| 7538550 |
Magnetic resonance imaging apparatus, magnetic resonance imaging method, scan apparatus, program |
May 26, 2009 |
| With the objective of reducing the number of times that RF pulse are idle-shot during an idling time upon executing an SSFP pulse sequence by a phase cycling method and thereby performing imaging efficiently, the angle of the phase of each RF pulse is changed during the idling time so |
| 7538549 |
Magnetic resonance imaging apparatus, magnetic resonance imaging method and program therefor |
May 26, 2009 |
| A magnetic resonance imaging method includes the steps of performing a scan for collecting magnetic resonance signals from a subject in an imaging space where a magnetostatic field is formed, so as to match the PROPELLER method, wherein in executing the scan by the PROPELLER method, |
| 7522697 |
X-ray CT apparatus |
April 21, 2009 |
| 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 and scanning table |
| 7522695 |
X-ray CT apparatus |
April 21, 2009 |
| A data acquisition device, which has an X-ray detector including a plurality of channel widths at which channels at its central portion are fine and channels at its peripheral portions are coarse or rough, and a plurality of data acquisition ranges including a data acquisition range |
| 7519225 |
Image processing method and apparatus for extracting an image |
April 14, 2009 |
| An object of the present invention is to extract an image closest to a reference image from among a plurality of candidate images. A plurality of candidate images similar to the reference image are extracted from a plurality of images by utilizing granulometry. The plurality of candidate |
| 7519144 |
Multi-positional CT image producing method and X-ray CT apparatus |
April 14, 2009 |
| 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 helical scan. |
| 7518541 |
Magnetic resonance imaging apparatus and A-D conversion device |
April 14, 2009 |
| With the aim of reducing noise due to a digital signal in an A-D conversion unit, the following is implemented: an input unit is provided with four A-D converters and a gray code conversion unit. An analog NMR signal corresponding to each channel is inputted to each A-D converter, an |
| 7516528 |
Method for the manufacture of an X-ray tube cathode filament |
April 14, 2009 |
| A method for the manufacture of a cathode filament of an X-ray tube and an X-ray tube formed by the method wherein the filament has at least two legs and one body, the filament being a single-piece filament. Spraying at least one material on a support by plasma spraying or by another |
| 7514925 |
Magnetic resonance imaging apparatus and magnetic resonance imaging method |
April 7, 2009 |
| With the objective of easily drawing a flow such as a bloodstream in a subject at low luminance, there is provided a magnetic resonance imaging apparatus including a static magnetic field forming unit, a transmission unit which transmits a plurality of inversion RF pulses to a subject |
| 7511498 |
Magnetic resonance imaging apparatus and RF coil |
March 31, 2009 |
| A magnetic resonance imaging apparatus capable of receiving magnetic resonance signals with a plurality of coils while uniformly exciting such signals is to be provided. An RF coil of the magnetic resonance imaging apparatus is provided with an original loop unit, and a conductor which |
| 7508903 |
Collimator control method and X-ray CT apparatus |
March 24, 2009 |
| 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. |
| 7508685 |
Stabilized power supply |
March 24, 2009 |
| A stabilized power supply for X-ray tubes having a first rectifier circuit, an inverter circuit comprising main switches, a transformer, a second rectifier circuit an oscillation circuit and an inverter circuit. The power supply includes an auxiliary circuit that can be driven and is |
| 7507968 |
Systems and methods for correcting a positron emission tomography emission image |
March 24, 2009 |
| A method for correcting a positron emission tomography (PET) emission image is described. The method includes obtaining a PET emission sinogram of an object, obtaining a computed tomography (CT) image for a scanned portion of the object, the object having a truncated portion outside a |
| 7505806 |
Fiber rendering apparatus |
March 17, 2009 |
| For the purpose of preventing a situation in which the fiber density looks as if it suddenly decreases in a specific view direction, a method comprises: specifying a region of interest R1 in MR image data collected by a diffusion tensor method; defining regular grid points in the region |
| 7504828 |
Frequency synthesizer for RF pulses, MRI apparatus and RF pulse generating method |
March 17, 2009 |
| A frequency synthesizer for RF pulses for RF coils used in MRI apparatuses, includes: a D/A converter which converts digital values of the waveform of a fundamental wave whose frequency is lower than a Nyquist frequency, which is half the sampling frequency, into an analog waveform; |
