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Class 600/419 - Of fluid flow


Subclass of Class 600 - Surgery
Definition: MRI wherein the image creating or analyzing system is used
No. of applications: 68
Last issue date: 04/05/2012


1    
Application No.Application TitleIssue Date
20120083688HEAD INJURY DIAGNOSTICS
Systems and methods for detecting the effects of concussion are disclosed. In various embodiments, fMRI or other live analysis technique captures data regarding the subject's brain activity while he or she is performing a task that exercises one or more particular funct...
04/05/2012
20120083687Retrospectively Correlated Turbo Spin Echo Imaging
Systems and methods which generate a sequence of images using turbo spin echo magnetic resonance imaging which are retrospectively correlated with periodic motion occurring within a subject being imaged are described. In one embodiment, k-space measurements (or the meas...
04/05/2012
20120046541MRI USING HYBRID IMAGE
Magnetic resonance images (MRI) are generated by acquiring a plurality of N>2 image data sets for an imaged patient volume using respectively corresponding different data acquisition imaging parameters. At least one hybrid image data set X is generated for the imaged...
02/23/2012
20110275929Device and method for measuring contrast agent
A tomography device (3) producing magnetic resonance (MR) images of a part of the body of a living organism (1) disposed in a measurement volume of the tomography device (3), with a first measurement unit (4a) for acquiring a spatially...
11/10/2011
20110263970System for Non-Contrast Enhanced MR Anatomical Imaging
A system for Non-Contrast Agent enhanced MR imaging, includes an MR image acquisition device that acquires first and second datasets representing first and second image slabs individually comprising multiple image slices acquired at fast and slow blood flow portions of ...
10/27/2011
20110245656Arterial spin labeling MRI-based correction factor for improving quantitative accuracy of blood flow and volume images
Arterial spin labeling MRI is used to provide a patient specific correction factor to correct a image provided by a non-ASL imaging modality (e.g., DSC MRI). More specifically, a first blood flow image is taken using the non-ASL imaging modality, and a corresponding sec...
10/06/2011
20110230756FLUID FLOW ASSESSMENT
A method of assessing fluid flow in a body is provided which includes phase contrast velocity encoded MRI scanning the body to obtain the velocity of fluids flowing in each of a plurality of volume elements (voxels) in three orthogonal directions; determining whether th...
09/22/2011
20110190622MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD
A magnetic resonance imaging apparatus executes a pulse sequence for generating a phase shift of each spin, corresponding to a flow rate of the spin to thereby acquire magnetic resonance signals from a subject and determines a position of each blood vessel of the subjec...
08/04/2011
20110098556Computer-Based Method And System For Imaging-Based Dynamic Function Evaluation Of An Organ
A computer-based method of determining a functional assessment of at least one organ having secretional or excretional functions, such as a liver or kidneys, of a human is disclosed. The method comprises processing a four-dimensional (4D) image data set of said human co...
04/28/2011
20110098557SYSTEM AND METHOD FOR DIAGNOSING A FLUID STATUS OF A PATIENT
A system and method for diagnosing a fluid status of a patient includes non-invasively determining a left ventricular pressure of blood within a left ventricle of a heart of the patient. The left ventricular pressure is compared to a predefined pressure value to diagnos...
04/28/2011
20110092805DIGITAL DRUG DELIVERY
For delivery of a chemical to a target region of a subject's brain, an apparatus comprising a storage medium on which is stored digital representations of subject-specific selective visual stimuli that, when viewed, selectively stimulate blood flow to the target area of...
04/21/2011
20110071384MAGNETIC RESONANCE IMAGING APPARATUS
A magnetic resonance imaging apparatus includes an acquisition unit that acquires first data in which a tissue of interest has higher signal intensity than a background and second data in which the tissue of interest has lower signal intensity than the background, with ...
03/24/2011
20110071382MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD
According to one of the aspects of an MRI apparatus of the present invention, the MRI apparatus includes an imaging data acquiring unit and a blood flow information generating unit. The imaging data acquiring unit acquires imaging data from an imaging region including m...
03/24/2011
20110014129MAGNETIC MICROSTRUCTURES FOR MAGNETIC RESONANCE IMAGING
The present invention relates to a magnetic resonance structure with a cavity or a reserved space that provides contrast and the additional ability to frequency-shift the spectral signature of the NMR-susceptible nuclei such as water protons by a discrete and controllab...
01/20/2011
20100280357MAGNETIC RESONANCE ANGIOGRAPHY WITH FLOW-COMPENSATED AND FLOW-SENSITIVE IMAGING
In a magnetic resonance angiography method with flow-compensated and flow-sensitive imaging and a magnetic resonance apparatus for implementing such a method, a first MR data set of the examination region is acquired with an imaging sequence in which vessels in the exam...
11/04/2010
20100268066 System for Automated Parameter Setting in Cardiac Magnetic Resonance Imaging
A system automatically calculates optimal protocol parameters for dark-blood (DB) preparation and inversion recovery. The system automatically determines pulse sequence timing parameters for MR imaging with blood related signal suppression. The system comprises an acqui...
10/21/2010
20100268065SYSTEMS AND METHODS FOR IMAGING A BLOOD VESSEL USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING
A method for producing an image of a blood vessel in a patient utilizing temperature sensitive MRI measurement. The method includes introducing a fluid in a blood vessel, obtaining magnetic resonance information from the blood vessel, and determining a magnetic resonanc...
10/21/2010
20100198053MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD
A magnetic resonance imaging apparatus includes a first blood flow image acquisition unit and a second blood flow image acquisition unit. The first blood flow image acquisition unit acquires a first blood flow image of a breast of an object without contrast medium. The ...
08/05/2010
20100174174BLOOD FLOW DYNAMIC ANALYSIS APPARATUS, MAGNETIC RESONANCE IMAGING SYSTEM AND PROGRAM
A blood flow dynamic analysis apparatus for analyzing the dynamic state of a blood flow of a subject using data about a plurality of frame images acquired from the subject with a contrast agent injected therein, includes a map creation device for creating maps each indi...
07/08/2010
20100145184METHOD AND MAGNETIC RESONANCE SYSTEM FOR DETERMINING A CODING FOR A FLOW MEASUREMENT AND FOR IMPLEMENTING A FLOW MEASUREMENT WITH THE CODING
In a method and magnetic resonance system to determine a flow coding for a flow measurement with the magnetic resonance system, in order to determine the optimal flow coding, a flow pre-measurement with multiple different flow codings is conducted within a slice within ...
06/10/2010
20100137703BLOOD FLOW DYNAMIC ANALYSIS APPARATUS AND MAGNETIC RESONANCE IMAGING SYSTEM
A blood flow dynamic analysis apparatus for determining a baseline indicative of a signal strength prior to an arrival of a contrast agent to a predetermined region of a subject, based on MR signals collected in time series from the predetermined region of the subject w...
06/03/2010
20100113914BLOOD FLOW DYNAMIC ANALYSIS APPARATUS AND METHOD, AND MAGNETIC RESONANCE IMAGING SYSTEM
A blood flow dynamic analysis apparatus acquires data from a plurality of regions lying in slices set to a subject with a contrast agent injected therein and analyzes blood flow dynamics of the subject, based on the data. The apparatus includes a contrast agent concentr...
05/06/2010
20100113915ORTHOGONALLY POSITIONED TAGGING IMAGING METHOD FOR ARTERIAL LABELING WITH FAIR
Methods, devices, and systems for creating an MRI image using an orthogonally positioned tagging imaging method for arterial labeling with FAIR. Embodiments of the present methods for creating an MRI image may include positioning a perfusion imaging plane that correspon...
05/06/2010
20100094122SYSTEM AND METHOD FOR AUTOMATIC, NON-INVASIVE DIAGNOSIS OF PULMONARY HYPERTENSION AND MEASUREMENT OF MEAN PULMONARY ARTERIAL PRESSURE
A method for diagnosing pulmonary hypertension from phase-contrast magnetic resonance (MR) images includes providing a time series of one or more magnetic resonance (MR) flow images of a patient's mediastinum during one or more cardiac cycles, segmenting the pulmonary a...
04/15/2010
20100087730IMAGE PROCESSING APPARATUS, MAGNETIC RESONANCE IMAGING APPARATUS, AND IMAGE PROCESSING METHOD
A velocity-image creating unit creates a velocity image that indicates a distribution of velocity components with respect to each of a plurality of images obtained by repeating a plurality of number of times Echo Planar Imaging (EPI) that is capable of obtaining velocit...
04/08/2010
20100041982MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD
A magnetic resonance imaging apparatus includes a trigger generating unit, a blood flow image generating unit and a control unit. The trigger generating unit acquires blood flow information of an object and generates a trigger based on the blood flow information. The bl...
02/18/2010
20100041981APPLICATIONS OF SCALING LAWS OF TREE STRUCTURES
In at least one embodiment, a method for diagnosing vascular disease is provided, the method comprising the steps of obtaining a vessel image showing a vasculature of a vessel, identifying at least two measurements from the vasculature of the vessel, the measurements re...
02/18/2010
20100030062SYSTEM AND METHOD TO ANALYZE BLOOD PARAMETERS USING MAGNETIC RESONANCE IMAGING
A system and method for accurately producing MR images of selected vascular compartments includes employing a control scan and a tag scan, each including velocity selective modules that suppress signal from blood flowing faster than a given cutoff velocity, to acquire c...
02/04/2010
20100022869MAGNETIC RESONANCE IMAGING APPARATUS
A apparatus includes a unit which detects a magnetization vector for each of pixel positions in an imaging region including at least part of a subject, the magnetization vector being excited to have a phase difference between a flow portion and a static portion or betwe...
01/28/2010
20090270719MRI APPARATUS
An MRI apparatus which images a subject in such that body fluid that flows is emphasized over background tissues, includes a first coil control device that causes a transmission coil and a gradient coil to execute a first pulse sequence for causing longitudinal magnetiz...
10/29/2009
20090264731MEDICAL IMAGING APPARATUS AND MEDICAL DISPLAY IMAGE GENERATION METHOD
A medical imaging apparatus includes a positioning image acquisition unit which acquires a positioning image concerning a subject, a unit which sets an region of interest in the positioning image in accordance with specification performed by an operator, a monitoring im...
10/22/2009
20090253982ASSESSING SUBJECT'S REACTIVITY TO PSYCHOLOGICAL STRESS USING FMRI
This invention relates to the use of a quantitative functional MRI (fMRI)—arterial spin-labeling perfusion MRI or absolute T2 mapping MRI or a combination thereof in the non-invasive neuroimaging of a subject's brain in response to stress-inducing psychological stimul...
10/08/2009
20090227859SYSTEMS AND METHODS FOR DETERMINING A CARDIOVASCULAR PARAMETER USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING
A method for determining a cardiovascular parameter in a portion of a body of a patient utilizing temperature sensitive MRI measurements. The method includes obtaining magnetic resonance information from a portion of a body of a patient and determining a magnetic resona...
09/10/2009
20090221905MRI apparatus
An MRI apparatus for imaging a subject so as to emphasize, more than a background tissue, a bodily fluid flowing through an imaging region of the subject, the apparatus includes a transmission coil for transmitting an RF pulse to the subject, a first transmission coil c...
09/03/2009
20090221904INFLAMMATORY CONDITION PROGRESSION, DIAGNOSIS AND TREATMENT MONITORING METHODS, SYSTEMS, APPARATUS, AND USES
The present invention relates to at least one method, apparatus and/or system for providing at least one lymph node volume for use in the monitoring of progression, diagnosis or treatment of an inflammatory condition, as well as to a computer program product comprising ...
09/03/2009
20090198123MEDICAL IMAGING APPARATUS, ULTRASONIC IMAGING APPARATUS, MAGNETIC RESONANCE IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE PROCESSING METHOD
A differential-image creating unit creates a three-dimensional image on which an artery is highlighted and a three-dimensional image on which a tumor is highlighted. An image compositing unit combines the three-dimensional images to composite an image. A display control...
08/06/2009
20090198122SYSTEMS AND METHODS FOR DETERMINING METABOLIC RATE USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING
A method for determining a metabolic rate of a portion of a body of a patient. The method includes obtaining magnetic resonance information from the portion of the body after introduction of a fluid and determining a magnetic resonance parameter using the magnetic reson...
08/06/2009
20090171186MRI APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD
An MRI apparatus acquires a blood signal about blood from a subject having the blood flowing from a first region to a second region via an imaging region. The apparatus includes a first longitudinal magnetization inverting device for inverting a longitudinal magnetizati...
07/02/2009
20090088626SYSTEM AND METHOD FOR PROVIDING FLOW-ENHANCED SIGNAL INTENSITY DURING A FUNCTIONAL MRI PROCESS
A method for imaging a brain of a subject includes providing a cognitive task for the subject or measuring resting state blood flow without a cognitive task, applying a saturation pulse sequence to saturate a slice within an imaging volume in the subject, and applying a...
04/02/2009
20090036767Method and System for Diagnosis of Lower Urinary Tract Dysregulation and Related Conditions
The invention disclosed herein provides a system and method for diagnosing lower urinary system conditions by receiving urodynamic data and subjective symptomatic impressions concerning a patient. The system and method then assigns weighted point values to the urodynami...
02/05/2009
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