Patent application number | Description | Published |
20080278163 | METHOD AND SYSTEM FOR MAGNETIC RESONANCE IMAGING USING LABELED CONTRAST AGENTS - A method and system for imaging using labeled contrast agents and a magnetic resonance imaging (MRI) scanner are provided. The method comprises performing a prescan at a frequency selected to be substantially similar to a frequency of the labeled contrast agent and performing an examination scan at the frequency of the labeled contrast agent substantially immediately after administering the labeled contrast agent to a subject. | 11-13-2008 |
20090256569 | MULTI-FREQUENCY RF COIL - A multi-frequency imaging radio frequency (RF) coil operational at three or more different frequencies, with a shifting frequency loop structure proximate the coil and switchably coupled to provide different frequencies when the loop structure is coupled to the coil. In one embodiment one of the frequencies is a proton frequency, one is a sodium frequency, and one of the frequencies is a carbon frequency. One example involves imaging examinations using hyperpolarized compounds. | 10-15-2009 |
20100315084 | SYSTEM, METHOD, AND APPARATUS FOR MAGNETIC RESONANCE RF-FIELD MEASUREMENT - An apparatus, system, and method including a magnetic resonance imaging (MRI) apparatus includes a magnetic resonance imaging (MRI) system having a plurality of gradient coils positioned about a bore of a magnet, and an RF transceiver system and an RF switch controlled by a pulse module to transmit RF signals to an RF coil assembly to acquire MR images, and a computer. The computer is programmed to apply a first off-resonant radio frequency (RF) pulse at a first frequency different than the resonant frequency to a plurality of nuclei excited at a resonant frequency, acquire a first signal from the plurality of nuclei after application of the first off-resonant RF pulse, determine a phase shift from the first signal based on the first off-resonant RF pulse, determine a B1 field based on the phase shift, and store the B1 field on a computer readable storage medium. | 12-16-2010 |
20120274326 | METHOD AND APPARATUS FOR IMAGING A PATIENT USING LOCAL SHIM COILS - A method of generating a magnetic resonance (MR) image includes applying a localized magnetic field to a portion of a patient, determining a difference between a local field strength around a first region of interest and a local field strength around a different second region of interest, adjusting the local field strength around the first region of interest such that the local field strength around the first region of interest is substantially the same as the local field strength around the second region of interest, and generating an image of the first and second regions after adjusting the local field strength around the first second region of interest. A coil apparatus and a system are also described herein. | 11-01-2012 |
20130165767 | SYSTEMS AND METHODS FOR AUTOMATIC LANDMARKING - Embodiments of systems, methods, and non-transitory computer readable media for automatic landmarking are presented. A coil including at least one marker is placed on a desired region on interest (ROI) of a subject. Further, a detector detects a position of the marker while translating the subject from a home position in an imaging system into a bore of a magnet in the imaging system. A positioning unit coupled to at least one of the coil, the marker and the detector is configured to initiate automatic translation of the subject from the home position into the magnet bore. Further, the positioning unit determines a distance between the detected marker position and a homogenous position of the magnet based at least on the detected marker position. The positioning unit then controls movement of the subject over the determined distance to the homogenous magnet position for automatically landmarking the desired ROI. | 06-27-2013 |
20140103925 | Determining Electrical Properties of Tissue Using Complex Magnetic Resonance Images - Exemplary embodiments are directed to estimating an electrical property of tissue using Magnetic Resonance (MR) images. In exemplary embodiments, complex MR images of a target tissue are obtained. An estimated value of an electrical property of the target tissue is determined based on complex values of the pixels in the complex MR images. The complex values are proportional to the product of the transmit radio frequency magnetic field and the receive RF magnetic field. | 04-17-2014 |
20140105476 | Determining Electrical Properties of Tissue Using Magnetic Resonance Imaging and Least Squared Estimate - Exemplary embodiments of the present disclosure are directed to estimating an electrical property of tissue using MR images. Complex values having real components and imaginary components are generated and are associated with pixels in one or more MR images that corresponding to a region of tissue for which the electrical property is constant. An estimated value of the electrical property for the region of tissue is determined based on a least squared error estimation applied to the complex values. | 04-17-2014 |
20140296701 | BREAST COIL FOR USE IN MAGNETIC RESONANCE IMAGING - The present disclosure relates to a receive coil assembly for use in magnetic resonance imaging of breast tissue. In certain embodiments the assembly comprises separable parts: a configurable mechanical support and a flexible receive coil array. The adjustability and separability of the receive coil array relative to the mechanical support allows the receive coil array to substantially conform to the breasts of the patient during imaging. | 10-02-2014 |
Patent application number | Description | Published |
20110087521 | Methodology For Setting, Prioritization, And Alignment Of Goals And Objectives Throughout Any Organization, At All Levels - A methodology for setting, prioritization, and alignment of goals and objectives throughout an organization, which includes the following steps: identifying key goals for the organization as a whole, establishing each functional area's contribution to each said goals, establishing each functional area contributor's alignment and deliverables within the scope of each said goals, establishing key metrics and target levels for each said goal, followed by the repetition of the above steps at subordinated lower levels, as goals, metrics, and target levels are trickled down, to ensure alignment and goals assignment at all levels of the organization, from the top level role (i.e. CEO) to each entry level worker. | 04-14-2011 |
20110184783 | Multiple Ranking Methodology for Selecting Part of a Group Based on Combined Multiple Performance and/or Characteristics Criteria - A methodology for selecting a part of a group of many similar units (i.e. workers as part of a team, retail store locations as part of a store chain, bolts as part of a bolts lot of many similar bolts, etc.), based on the combination of multiple performance and/or characteristics criteria, which includes the following steps: identification of the source group out of which some will be selected, (i.e. team of | 07-28-2011 |
20110184785 | Methodology for Monitoring and Tracking Process Changes, Special Cause Occurrences, Process Improvement Actions, and Their Effects, in Single or Multiple, Correlated Processes - A methodology for monitoring and tracking of process changes, special cause occurrences, and process improvement actions, and their effects on correlated processes, which includes the following steps: identifying the targeted process(es), defining the key performance indicator(s) (KPIs) for the process(es), selecting the appropriate frequency of the data points (i.e. daily, weekly, monthly, etc), capturing and reflecting the data points every completed period on a tracking chart or similar visual aid, and document significant events, special cause occurrences, and process improvement action start dates in a visually correlated matrix or data table, with data point dates serving as alignment indices. | 07-28-2011 |
20110184786 | Methodology for Data-Driven Employee Performance Management for Individual Performance, Measured Through Key Performance Indicators - A methodology for data-driven employee performance management and performance-related compensation (i.e. bonus), measured through key performance indicators, methodology which includes the following steps: setting individual key performance indicators (KPIs) and the respective performance goals associated with said KPIs, establishing performance review frequency (i.e. monthly, quarterly, annually), establishing baseline levels for said KPIs (i.e. value at the end of previous performance review period), establishing ranges for performance ratings (i.e. result <90% of goal leads to a “below expectations” rating), establishing bonus or payout levels associated with each goal's performance level (i.e. “below expectations” performance pays 50%, “exceeds expectations” pays 125%), establishing goal priority, timing, and weighting, calculation of overall performance rating and (bonus) payout level at the end of the review period, and documentation of the results of all the steps listed above. | 07-28-2011 |