Van Der Kouwe
Andre Van Der Kouwe, Woburn, MA US
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20100261993 | STEM AND METHOD FOR ACQUIRING MRI DATA FROM BONE AND SOFT TISSUES - A system and method for producing MR images in which bone and soft tissue are identified. The method includes applying a pulse sequence that includes a first stage configured to acquire a radially-encoded FID and radially-encoded echoes performed after a non-selective RF excitation pulse and before a second stage, which is configured to acquire additional echoes. The radially-encoded MR data acquired during the first stage is substantially representative of bone, while the MR data acquired during the second stage is substantially representative of soft tissues. MR images in which bone and soft tissue are identified are reconstructed from these MR data sets. | 10-14-2010 |
20150035530 | SYSTEM AND METHOD FOR REAL-TIME FREQUENCY CORRECTION FOR MAGNETIC RESONANCE IMAGING - Systems and methods for estimating frequency drifts in magnetic resonance signals acquired with a magnetic resonance imaging (“MRI”) system are provided. In one example, the frequency drifts are estimated from phase-correction data that are obtained during an echo-planar imaging (“EPI”), or other multiecho imaging, scan. The systems and methods of the present invention provide for efficiently and accurately computing frequency drift values that can be used for real-time, prospective frequency drift correction. | 02-05-2015 |
Andre Van Der Kouwe, Charlestown, MA US
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20120197104 | SYSTEM AND METHODS FOR AUTOMATIC PLACEMENT OF SPATIAL SUPRESSION REGIONS IN MRI AND MRSI - A system and methods for imaging a patient organ. The system includes a MRI imaging apparatus communicating with a memory and processor. The method aligns the organ with a standardized organ, and includes a step of spatially normalizing the standardized organ to the patient organ. The method also provides optimized slices of the standardized organ and translates optimized slices of standardized organ into optimized slices of the patient organ. The method images the patient organ according to the optimized slices of the patient organ. | 08-02-2012 |
Andre Jan Willem Van Der Kouwe, Woburn, MA US
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20130187649 | System for Motion Corrected MR Diffusion Imaging - A system determines motion correction data for use in diffusion MR imaging using an RF signal generator and magnetic field gradient generator which sequentially acquire in a single first direction through a volume, first and second slice sets individually comprising multiple individual diffusion image slices. The first set of slices and the second set of slices are spatially interleaved within the volume, by providing in acquiring the second slice set, a low flip angle RF pulse successively followed by a non-diffusion image data readout magnetic field gradient for acquisition of data representing a two dimensional (2D) non-diffusion image used for motion detection of the first slice set successively followed by, a first diffusion imaging RF pulse followed by a first diffusion imaging phase encoding magnetic field gradient for preparation for acquiring data representing a diffusion image slice of the second slice set. | 07-25-2013 |
Danielle Elisabeth Van Der Kouwe, Hengelo NL
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20080300630 | MEDICAL DEVICE FOR POSITIONING BONE ELEMENTS, IN PARTICULAR VERTEBRAE, RELATIVE TO EACH OTHER, AS WELL AS A TOOL FOR THE PLACEMENT, PART BY PART, OF SUCH A MEDICAL DEVICE - The invention relates to a medical device for positioning bone elements, in particular vertebrae, relative to each other, comprising at least one assembly built up of two or more anchoring elements, which can each be implanted in a bone element with a first end thereof, as well as an elongated connecting element, which can be connected to the other ends of the anchoring elements projecting from the bone element in question. | 12-04-2008 |
Paul Van Der Kouwe, San Jose, CA US
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20140092113 | SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR PROVIDING A DYNAMIC DISPLAY REFRESH - A system, method, and computer program product are provided for a dynamic display refresh. In use, a state of a display device is identified in which an entirety of an image frame is currently displayed by the display device. In response to the identification of the state, it is determined whether an entirety of a next image frame to be displayed has been rendered to memory. The next image frame is transmitted to the display device for display thereof, when it is determined that the entirety of the next image frame to be displayed has been rendered to the memory. Further, a refresh of the display device is delayed, when it is determined that the entirety of the next image frame to be displayed has not been rendered to the memory. | 04-03-2014 |