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231 Results for 'Medical Imaging'
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Technology
SYSTEM AND METHOD FOR IMPROVED FAT SUPPRESSION FOR DIFFUSION WEIGHTED IMAGING IN MAGNETIC RESONANCE IMAGING STATEMENT REGARDING
UW-Madison researchers have developed a novel MR imaging method for use with DWI to optimize the magnetic field distribution in the presence of fat. The new method provides for acquiring diffusion wei...
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Diego Hernando Arribas, Aidan Tollefson | P230162US01
Technology
SYSTEM AND METHOD FOR CONTROLLING ZERO-COUNT ERRORS IN COMPUTED TOMOGRAPHY
UW Madison inventors have developed methods to properly address the zero-count problem in ultra-low radiation dose photon counting CT imaging that includes acquiring or accessing CT data of a subject,...
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Guang-Hong Chen, Ke Li | P230046US01
Technology
SYSTEMS AND METHODS FOR CONTROLLING SCATTER IN COMPUTED TOMOGRAPHY DATA
UW-Madison researchers have developed a novel data acquisition method, called “Mohi-Polo”. The method eliminates scatter radiation in photon counting CT imaging systems to minimize scatter artifa...
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Guang-Hong Chen, Ran Zhang, Ke Li | P230044US01
Technology
SYSTEMS AND METHODS FOR IMPROVED COMPUTED TOMOGRAPHY USING PHOTON-COUNTING DETECTORS
UW researchers present a novel hybrid photon counting detector for imaging. The novel design addresses the fundamental limitations of current silicon PCD technology by replacing the metallic spacers ...
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Ke Li, Guang-Hong Chen | P220199US01
Technology
SYSTEM AND METHOD FOR IMAGING ORGANS WITH MULTIPLE BLOOD SUPPLIES
Some organs receive blood from multiple, distinct supplies, such as the liver and placenta. In such cases, it may be clinically valuable to be able to separately view the dynamics of each blood supply...
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Mark Kliewer | P220314US01
Technology
SYSTEM AND METHOD FOR LOW-DOSE MULTI-PHASIC COMPUTED TOMOGRAPHY IMAGING OF THE KIDNEYS
A UW-Madison researcher has developed a method to generate diagnostic quality nephrographic phase images from a single (using dual-energy) or two conventional CT urography acquisitions. The meth...
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Andrew Wentland | P220266US01
Technology
ULTRASOUND PROBE HAND SHIELD
UW-Madison researchers have developed a needle stick shield for use with an ultrasound probe to protect clinicians during needle biopsy. The design does not interfere with current biopsy needles...
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Alejandro Roldán-Alzate, Sylvana García-Rodríguez, Mark Kliewer, Timothy Walker | P220142US01
Technology
Optimizing the Use of Contrast Agents During Medical Imaging
The successful use of contrast agents in volumetric imaging, such as intravenous iodinated agent in computed tomography (CT), is guided by sophisticated protocols. Poor contrast enhancement is related...
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Timothy Szczykutowicz | P190206US01
Technology
SYSTEM AND METHOD FOR SIMULTANEOUS ACQUISITION OF CONTRAST DYNAMICS AND ANATOMICAL IMAGES
UW researchers have developed an x-ray imaging technique that can capture diagnostic quality angiographic images and contrast media kinetics in a single scan, while reducing patient radiation dose and...
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Michael Speidel, Paul Laeseke, Carson Hoffman, Joseph Whitehead | P220145US01
Technology
SYSTEM AND METHOD FOR DIFFUSION MAPPING USING PHASEMODULATED MAGNETIC RESONANCE IMAGING
UW Researchers have developed a novel MRI diffusion mapping method using phase-based diffusion mapping (PBD.) The technique provides a novel way to measure the apparent diffusion coefficient (ADC) of ...
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Daiki Tamada, Scott Reeder | P220163US01
Technology
MONITORING AIRFLOW WITH B-MODE ULTRASOUND
UW-Madison researchers have developed a method and system for monitoring or quantifying airflow changes in a subject’s airway using B-mode ultrasound. Their approach is compatible with existing ...
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Guelay Bilen-Rosas, Humberto Rosas, Irene Ong | P200319WO01
Technology
Intermetallic Compounds Of Cobalt As Targets For The Production Of Theranostic Radionuclides
UW Madison researchers have developed cobalt intermetallic compounds that include cobalt and a second element. The isotopes of the second element in the compounds are present in their natural isotopic...
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Paul Ellison, Robert Nickles, Todd Barnhart, Jonathan Engle, Christopher Kutyreff | P190208US02
Technology
SYSTEM AND METHOD FOR FLOW-RESOLVED, THREE-DIMENSIONAL IMAGING
UW-Madison researchers have developed a method for 4D (3D + time) reconstruction of arterial blood flow and subsequent quantitative evaluation of local blood flow and velocities from a single contrast...
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Martin Wagner, Paul Laeseke, Michael Speidel | P210345US01
Technology
SYSTEM AND METHOD FOR CONTROLLING CONCOMITANT GRADIENT PHASE ERRORS IN CHEMICAL-SHIFT ENCODED IMAGING
A UW-Madison researcher has devised a novel complex fitting method that addresses concomitant gradient (CG) phase errors in chemical shift-encoded (CSE) MRI estimation of proton density fat fraction (...
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Nathan Roberts | P210441US01
Technology
SYSTEM AND METHOD FOR QUANTITATIVE BLOOD VOLUME IMAGING
UW inventors have devised a new method to provide quantitative lung perfusion imaging using spectral CT imaging. Data acquired using DE-CT, or single kV, is post-processed using a trained algori...
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Guang-Hong Chen, Ke Li, Thomas Grist | P210311US01
Technology
Rf Coil Assembly And Method For Practicing Magnetization Transfer On Magnetic Resonance Imaging And
An RF coil assembly for an MRI system includes a resonator formed by a cylindrical shield and pairs of opposing conductive legs disposed symmetrically around a central axis and extending the axial len...
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Sean Fain, Matthew Erickson, Krishna Kurpad, James Holmes, Thomas Grist | P06257US
Technology
Generalized Method For Mri Chemical Species Separation Using Arbitrary K-space Trajectories
A method for producing images of a subject containing M spin species using a magnetic resonance imaging (MRI) system includes obtaining N k-space data matrices from N k-space data sets acquired with t...
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Scott Reeder | P07261US
Technology
Calculation Of Additional Projection Data From Projection Data Acquired With A Divergent Beam
A data consistency condition is derived for an array of attenuation values acquired with a divergent beam. Using this data consistency condition, estimates of selected attenuation values can be calcul...
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Guang-Hong Chen | P06161US
Technology
Magnetic Resonance Imaging Data Sampling Methods And Systems
A magnetic resonance imaging data sampling method includes randomly undersampling a first half of a k-space plane such that a plurality of points in the first half are sampled points and the remaining...
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Kang Wang, Frank Korosec, James Holmes, Peng Lai | P120134US01
Technology
Localized And Highly Constrained Image Reconstruction Method
An image reconstruction method includes reconstructing a composite image of a subject using a conventional reconstruction method. The composite image employs the best information available regarding t...
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Charles Mistretta, Julia Velikina, Kevin Johnson | P07274US
Technology
Method For Accelerating Mri/ct Scans Using Reconstruction With A Priori Information
An image reconstruction method applicable to a number of different imaging modalities including magnetic resonance imaging (MRI), x-ray computed tomography (CT), positron emission tomography (PET), an...
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Alexey Samsonov, Walter Block, Huimin Wu | P07417US
Technology
Method For Correcting Phase Offsets In Quantitative Chemical Shift Encoded Magnetic Resonance Imaging
Systems and methods for correcting phase errors in chemical shift encoded data are described. The technique is self-calibrated, without the need for specialized calibration data, and therefore may ena...
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Diego Hernando Arribas | P160302US01
Technology
System For Characterizing Brain Condition
A sensitive measure of brain condition simultaneously evaluates multiple measurements of water diffusion in brain tissue combined so as to correct for covariance between the different data types of th...
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Andrew Alexander, Douglas Dean, Gregory Kirk, Brittany Travers | P160358US01
Technology
System And Method For High-Temporal Resolution, Time-Resolved Cone Beam Ct Angiography
A system and method for reconstructing an image using a cone-beam computed tomography (CT) imaging system includes acquiring data from a subject with the CT imaging system using a limited scan range t...
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Guang-Hong Chen, Charles Strother | P160332US01
Technology
Determining A Class Type Of A Sample By Clustering Locally Optimal Model Parameters
A method for characterizing a sample includes acquiring a trace signal for the sample. A set of configurations is generated for defining modeling signals to model the trace signal. Each modeling signa...
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Amos Ron, Shengnan Wang | P150082US02