72 patents
Page 3 of 4
Utility
Ferromagnetic Augmentation for Magnetic Resonance Imaging
3 Nov 22
In some aspects, a magnetic system for use in a low-field MRI system.
Michael Stephen Poole, Todd Rearick, Jonathan M. Rothberg
Filed: 19 Jul 22
Utility
Deep learning techniques for magnetic resonance image reconstruction
11 Oct 22
A magnetic resonance imaging (MRI) system, comprising: a magnetics system comprising: a B0 magnet configured to provide a B0 field for the MRI system; gradient coils configured to provide gradient fields for the MRI system; and at least one RF coil configured to detect magnetic resonance (MR) signals; and a controller configured to: control the magnetics system to acquire MR spatial frequency data using non-Cartesian sampling; and generate an MR image from the acquired MR spatial frequency data using a neural network model comprising one or more neural network blocks including a first neural network block, wherein the first neural network block is configured to perform data consistency processing using a non-uniform Fourier transformation.
Jo Schlemper, Seyed Sadegh Mosheni Salehi, Michal Sofka, Prantik Kundu, Ziyi Wang, Carole Lazarus, Hadrien A. Dyvorne, Laura Sacolick, Rafael O'Halloran, Jonathan M. Rothberg
Filed: 29 Jul 19
Utility
Systems and Methods for Performing Magnetic Resonance Imaging with Reduced Operator Interaction
8 Sep 22
Techniques are provided for imaging a subject.
Laura Sacolick, Rafael O'Halloran, Hadrien A. Dyvorne, Khan Mohammad Siddiqui, Michal Sofka, Prantik Kundu, Tianrui Luo
Filed: 4 Mar 22
Utility
Ferromagnetic frame for magnetic resonance imaging
23 Aug 22
An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system.
Cedric Hugon, Hadrien A. Dyvorne, Michael Stephen Poole
Filed: 9 Dec 20
Utility
Gradient waveform design for low-field magnetic resonance imaging systems
23 Aug 22
Systems and methods for generating a gradient waveform for use by a low-field MRI system to generate a gradient magnetic field are provided herein.
Hadrien A. Dyvorne, Laura Sacolick, Rafael O'Halloran, Carole Lazarus, Michael Twieg
Filed: 23 Mar 21
Utility
Low noise gradient amplification components for MR systems
16 Aug 22
Described herein are power components that may facilitate efficient, low noise operation of low-field MRI systems.
Michael Twieg
Filed: 9 Dec 20
Utility
Systems and Methods for Dynamically Extending Magnetic Resonance Imaging of a Subject
4 Aug 22
Systems and methods are provided herein for determining whether to extend scanning performed by a magnetic resonance imaging (MRI) system.
Laura Sacolick, Carlos Lazarus, Rafael O'Halloran, Hadrien A. Dyvorne
Filed: 24 Jan 22
Utility
Ferromagnetic augmentation for magnetic resonance imaging
26 Jul 22
In some aspects, a magnetic system for use in a low-field MRI system.
Michael Stephen Poole, Todd Rearick, Jonathan M. Rothberg
Filed: 31 Jan 19
Utility
Flexible Radio Frequency Coil Apparatus and Methods for Magnetic Resonance Imaging
21 Jul 22
A radio frequency apparatus is described herein for facilitating imaging of a patient positioned within a magnetic resonance imaging system comprising a B0 magnet.
Gang Chen, Anne Michele Nelson
Filed: 14 Jan 22
Utility
Radio Frequency Coil for Magnetic Resonance Imaging
21 Jul 22
A radio frequency (RF) coil apparatus is described herein for facilitating imaging of a patient positioned within a magnetic resonance imaging (MRI) system, the MRI system comprising a B0 magnet.
Eddy B. Boskamp, Michael Stephen Poole
Filed: 14 Jan 22
Utility
Radio-frequency coil signal chain for a low-field MRI system
5 Jul 22
Methods and apparatus for reducing noise in RF signal chain circuitry for a low-field magnetic resonance imaging system are provided.
Hadrien A. Dyvorne, Todd Rearick
Filed: 10 Nov 20
Utility
Methods and Apparatus for Magnetic Field Shimming
30 Jun 22
A method of producing a permanent magnet shim configured to improve a profile of a B0 magnetic field produced by a B0 magnet is provided.
Cedric Hugon, Michael Stephen Poole, Tyler S. Ralston
Filed: 16 Mar 22
Utility
Portable magnetic resonance imaging methods and apparatus
21 Jun 22
According to some aspects, a portable magnetic resonance imaging system is provided, comprising a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging.
Michael Stephen Poole, Cedric Hugon, Hadrien A. Dyvorne, Laura Sacolick, William J. Mileski, Jeremy Christopher Jordan, Alan B. Katze, Jr., Jonathan M. Rothberg, Todd Rearick, Christopher Thomas McNulty
Filed: 8 Jul 20
Utility
Opto-isolator Circuitry for Magnetic Resonance Imaging Applications
16 Jun 22
The present disclosure provides techniques for using opto-isolator circuitry to control switching circuitry configured to be coupled to a radio-frequency (RF) coil of a magnetic resonance imaging (MRI) system.
Michael Twieg
Filed: 13 Dec 21
Utility
Methods and apparatus for patient positioning in magnetic resonance imaging
14 Jun 22
According to some aspects, a magnetic resonance imaging system capable of imaging a patient is provided.
Anne Michele Nelson, Gang Chen
Filed: 28 Aug 19
Utility
Deep learning techniques for alignment of magnetic resonance images
31 May 22
Generating magnetic resonance (MR) images of a subject from MR data obtained by a magnetic resonance imaging (MRI) system by: generating first and second sets of one or more MR images from first and second input MR data; aligning the first and second sets of MR images using a neural network model comprising first and second neural networks, the aligning comprising: estimating, using the first neural network, a first transformation between the first and second sets of MR images; generating a first updated set of MR images from the second set of MR images using the first transformation; estimating, using the second neural network, a second transformation between the first set and the first updated set of MR images; and aligning the first set of MR images and the second set of MR images at least in part by using the first transformation and the second transformation.
Jo Schlemper, Seyed Sadegh Mosheni Salehi, Michal Sofka
Filed: 12 Mar 20
Utility
Ferromagnetic frame for magnetic resonance imaging
17 May 22
An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system.
Cedric Hugon
Filed: 9 Dec 20
Utility
Low-field diffusion weighted imaging
17 May 22
Methods and apparatus for operating a low-field magnetic resonance imaging (MRI) system to perform diffusion weighted imaging, the low-field MRI system including a plurality of magnetics components including a B0 magnet configured to produce a low-field main magnetic field B0, at least one gradient coil configured to, when operated, provide spatial encoding of emitted magnetic resonance signals, and at least one radio frequency (RF) component configured to acquire, when operated, the emitted magnetic resonance signals.
Rafael O'Halloran, Laura Sacolick
Filed: 2 Nov 20
Utility
Multi-coil magnetic resonance imaging using deep learning
10 May 22
Techniques for generating magnetic resonance (MR) images from MR data obtained by a magnetic resonance imaging (MRI) system comprising a plurality of RF coils configured to detect RF signals.
Jo Schlemper, Seyed Sadegh Moshen Salehi, Michal Sofka
Filed: 12 Mar 20
Utility
Methods and Apparatus for Smart Beam-steering
14 Apr 22
In some aspects, a method includes forming a beam in a direction relative to a brain of a person, the direction being determined by a machine learning model trained on data from prior signals detected from a brain of one or more persons and, after forming the beam, detecting a signal from a region of interest of the brain of the person.
Kamyar Firouzi, Yichi Zhang, Mohammad Moghadamfalahi, Guillaume David
Filed: 14 Oct 21