Patents Examined by Dixomara Vargas
  • Patent number: 11122778
    Abstract: Disclosed herein is a method of automated noninvasive determining the sex of an embryo of a bird's egg (14) as well as a corresponding apparatus.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: September 21, 2021
    Assignee: TECHNISCHE UNIVERSITÄT MÜNCHEN
    Inventors: Axel Haase, Benjamin Michael Schusser, Miguel Molina-Romero, Pedro A. Goméz, Maximilian Aigner, Stephan Huber, Alexander Joos
  • Patent number: 11119167
    Abstract: A magnetic resonance imaging system (100, 200, 300, 400) includes a wireless communication station (600) which: receives via a receive antenna element (630) at least one first clock signal among two or more first clock signals which are synchronized with a first clock (510); transmits two or more second clock signals from two or more transmit antenna elements (620-1) of a phased array antenna (620); transmits data representing a sensed magnetic resonance signal from at least two of the transmit antenna elements; outputs a clock synchronization signal in response to the received first clock signal(s); and synchronizes a second clock (610) to the first clock signal in response to the clock synchronization signal. The first clock signals are transmitted by a phased array antenna (520) of another wireless communication station (500).
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: September 14, 2021
    Assignee: Koninklijke Philips N.V.
    Inventors: Rodrigo Calderon Rico, Arne Reykowski, Paul Franz Redder
  • Patent number: 11119165
    Abstract: Aspects of photonic band gap resonators for magnetic resonance are described. In one example, an apparatus includes a 1D structure having a plurality of layers. A respective thickness of the individual layers is one-quarter of a respective wavelength of a target magnetic resonance frequency within the individual layers of the plurality of layers, or a multiple thereof. A first layer has a first dielectric constant, and a second layer that is adjacent to the first layer has a second dielectric constant. A defect includes a sample. The defect has a thickness that is approximately up to one-half of a wavelength of the target magnetic resonance frequency within the defect.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: September 14, 2021
    Assignee: North Carolina State University Office of Research Commercialization
    Inventors: Alexander Nevzorov, Alexej I. Smirnov, Sergey Milikisiyants
  • Patent number: 11119168
    Abstract: According to some aspects, a low-field magnetic resonance imaging system is provided. The low-field magnetic resonance imaging (MRI) system comprises a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing MRI, the magnetics system comprising, a B0 magnet configured to produce a B0 field for the MRI system at a low-field strength of less than 0.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: September 14, 2021
    Assignee: Hyperfine, Inc.
    Inventors: Michael Stephen Poole, Cedric Hugon, Christopher Thomas McNulty
  • Patent number: 11105870
    Abstract: A coil arrangement is for transmitting high frequency radiation. In an embodiment, the coil arrangement includes a transmission coil with a planar design and a passive, tubular part-body coil. The part-body coil is designed to radially enclose an examination volume relative to a direction. The examination volume includes a part of a patient's body. Furthermore, the part-body coil and the transmission coil are galvanically decoupled, and at the same time the part-body coil and the transmission coil are inductively coupled. The transmission coil is designed, by way of an emitted first high frequency radiation, to excite the part-body coil inductively, causing an enforced electromagnetic oscillation. The part-body coil emits second high frequency radiation in the event of an enforced electromagnetic oscillation. The coil arrangement of an embodiment can be used in a magnetic resonance unit without an integrated high frequency unit.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: August 31, 2021
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Stephan Biber, Markus Vester
  • Patent number: 11099251
    Abstract: The present disclosure relates to an automatic method for selecting imaging parameters for imaging methods, to a corresponding imaging method, and to a corresponding imaging apparatus comprising a detection algorithm and a selection algorithm. A ranking of at least one qualifying value for potential clinical indications is created. The ranking is based on image data. The ranking is created by means of the detection algorithm. In addition, at least one imaging parameter is selected. The at least one imaging parameter is suitable for producing image data that facilitates a maximum change in the qualifying values in the ranking. The at least one imaging parameter is selected by means of the selection algorithm.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 24, 2021
    Assignee: Siemens Healthcare GmbH
    Inventor: Martin Hammes
  • Patent number: 11099292
    Abstract: New methods for determining the volumetric composition and saturation of methane and NGLs (natural gas liquids: ethane, propane, butane, and pentane) in a petroleum reservoir combining NMR (nuclear magnetic resonance) logging and NMR core analysis and for determining the mean pore-size and tortuosity of the light hydrocarbon-filled porosity in a petroleum reservoir using NMR core analysis.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 24, 2021
    Assignee: Vinegar Technologies LLC
    Inventors: Harold J. Vinegar, Philip M. Singer, George J. Hirasaki, Zeliang Chen, Xinglin Wang
  • Patent number: 11099249
    Abstract: The present invention is directed to a system comprising a body coil (9) for magnetic resonance imaging and an RF amplifier connected to the body coil (9) for feeding the body coil (9) with an RF signal, wherein the body coil (9) comprises two different ports (21, 22) for feeding the RF signal into the body coil (9), the body coil (9) is provided with a switch for selectively activating only one single port (21, 22) for feeding the RF signal to the body coil (9) at a time, and the two ports (21, 22) are located at different locations of the body coil (9) such that the dependence of the reflected part of the RF signal fed into the body coil (9) from the weight of the examination object (1) to which the body coil (9) is applied is different for the two ports (21, 22).
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: August 24, 2021
    Assignee: Koninklijke Philips N.V.
    Inventors: Peter Vernickel, Christoph Leussler, Ingo Schmale, Christian Findeklee, Oliver Lips
  • Patent number: 11092660
    Abstract: The disclosure relates to a medical image acquisition device with a pilot tone transmitter and a pilot tone receiver and to a method for operating the same. The pilot tone transmitter is configured to emit an electromagnetic radio frequency signal into a patient. The pilot tone receiver is configured to receive the radio frequency signal and to decode an item of information relating to a physiological process in the patient. The pilot tone transmitter has a modulator configured to modulate the electromagnetic radio frequency signal with a code and the pilot tone receiver is configured to select the modulated radio frequency signal using the encoding from a plurality of signals.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 17, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Peter Speier, Markus Vester
  • Patent number: 11085988
    Abstract: A method for magnetic resonance imaging (MRI) includes steps of acquiring by an MRI scanner undersampled magnetic-field-gradient-encoded k-space data; performing a self-calibration of a magnetic-field-gradient-encoding point-spread function using a first neural network to estimate systematic waveform errors from the k-space data, and computing the magnetic-field-gradient-encoding point-spread function from the systematic waveform errors; reconstructing an image using a second neural network from the magnetic-field-gradient-encoding point-spread function and the k-space data.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 10, 2021
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Feiyu Chen, Christopher Michael Sandino, Joseph Yitan Cheng, John M. Pauly, Shreyas S. Vasanawala
  • Patent number: 11085985
    Abstract: A magnetic resonance imaging (MRI) system includes a memory for storing machine executable instructions and MRF pulse sequence commands. The MRF pulse sequence commands are configured for controlling the MRI system to acquire MRF magnetic resonance data according to a magnetic resonance fingerprinting protocol. The memory further includes a Fourier transformed magnetic resonance finger printing dictionary. The finger printing dictionary includes entries for at least one intrinsic property.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: August 10, 2021
    Assignee: Koninklijke Philips N.V.
    Inventors: Karsten Sommer, Thomas Erik Amthor, Jan Jakob Meineke, Peter Koken, Mariya Ivanova Doneva
  • Patent number: 11083912
    Abstract: Systems and methods for the delivery of linear accelerator radiotherapy in conjunction with magnetic resonance imaging in which components of a linear accelerator may be placed in shielding containers around a gantry, may be connected with RF waveguides, and may employ various systems and methods for magnetic and radio frequency shielding.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: August 10, 2021
    Assignee: VIEWRAY TECHNOLOGIES, INC.
    Inventors: James F. Dempsey, Shmaryu M. Shvartsman
  • Patent number: 11073582
    Abstract: A magnetic resonance tomography unit and a method for operating the magnetic resonance tomography unit are provided. The magnetic resonance tomography unit includes a transmitter for generating excitation pulses with a wavelength lambda, an antenna for emitting the excitation pulses, a feed line, and a voltage sensor. The voltage sensor is arranged on the feed line at an effective distance corresponding to a multiple of half the wavelength lambda from a feed point on the antenna.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 27, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Georg Martschenko, Jürgen Nistler, Markus Vester, Christian Wünsch
  • Patent number: 11061087
    Abstract: A method includes determining a position of a local coil, a coil position, and a position of a body part of a patient, a body part position. Spacing between the coil position and the body part position is determined. An optimized MR sequence is determined. Based on the determined spacing between the coil position and the body part position, it is checked that in a subsequent MR examination of the patient, a predetermined loading threshold value (e.g., an SAR value) is not exceeded. The optimization of the MR sequence thus takes place under the boundary condition that the loading threshold value is not exceeded.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: July 13, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: George William Ferguson, Martin Harder, Daniel Rinck
  • Patent number: 11061095
    Abstract: Disclosed herein are systems and methods for correction of imaging-plane uniform magnetic field—(B0) inhomogeneity-induced magnetic resonance imaging (MRI) artifacts. The systems and methods can be implemented to improve the filtering and correction of arterial spin labeling (ASL) MRI data by forming a tagging dependent Z-spectrum (TADDZ) of ASL MRI data. In TADDZ, images are acquired via ASL, MRI after tagging blood water at a number of tagging, distances upstream and downstream of die MM system's imaging plane. A tagging distance dependent Z-spectrum is analyzed for each image to map the magnetic field inhomogeneity across the imaging plane. Along with magnetic-field mapping, Z-spectrum analysts and data processing enables TADDZ to remove magnetic field inhomogeneity induced artifacts, resulting in more clear and clinically relevant perfusion imaging via MRI.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 13, 2021
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Frederick C. Damen, Kejia Cai
  • Patent number: 11061096
    Abstract: According to an aspect of the present inventive concept there is provided a method of performing diffusion weighted magnetic resonance measurements on a sample, the method comprising: performing a plurality of diffusion weighted magnetic resonance measurements on the sample, wherein said plurality of measurements includes: a first measurement with a first diffusion encoding sequence having a tensor representation with three non-zero eigenvalues, a second measurement with a second diffusion encoding sequence, and a third measurement with a third diffusion encoding sequence, wherein the second and the third diffusion encoding sequence have different spectral content.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: July 13, 2021
    Assignee: CR Development AB
    Inventors: Samo Lasic, Daniel Topgaard, Markus Nilsson, Hans Magnus Henrik Lundell
  • Patent number: 11048014
    Abstract: A nuclear magnetic resonance (NMR) logging tool configured to be positioned in a borehole created in a subsurface formation. The NMR logging tool includes a magnet to induce a magnetic field in the subsurface formation, a transmission line, and a first shield positioned between the magnet and the transmission line. The NMR logging tool includes a transmitter and an antenna coupled to the transmitter by the transmission line. The antenna is to transmit a radio frequency (RF) magnetic field into the subsurface formation in response to the transmitter supplying power by the transmission line.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: June 29, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jie Yang, Lilong Li
  • Patent number: 11041923
    Abstract: A directly coolable multifilament conductor or a magnetic coil, having at least two electric conductors and at least one cooling tube disposed between the conductors adapted to carry a fluid coolant, wherein the cooling tube is a metal conductor having a lower conductivity than the conductors surrounding the tube.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: June 22, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Stefan Stocker, Peter Dietz
  • Patent number: 11035916
    Abstract: A radio frequency coil is disclosed that is suitable for use with a magnetic resonance imaging apparatus. The radio frequency coil comprises first and second conductive loops connected electrically to each other by a plurality of conductive rungs. The conductive rungs each include a section that is relatively thin that will result in less attenuation to a radiation beam than other thicker sections of the rungs. Insulating regions are also disposed in areas of the radio frequency coil that are bound by adjacent rungs and the conductive loops. Portions of the insulating regions can be configured to provide a substantially similar amount of attenuation to the radiation beam as the relatively thin sections of the conductive rungs.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: June 15, 2021
    Assignee: VIEWRAY TECHNOLOGIES, INC.
    Inventors: James F. Dempsey, Thomas Chmielewski
  • Patent number: 11035917
    Abstract: According to one embodiment, an MRI apparatus includes a power transmitting unit a signal receiving unit and an image reconstruction unit. The power transmitting unit wirelessly transmits electric power to an RF coil device by magnetically coupled resonant type wireless power transfer. The signal receiving unit wirelessly receives a digitized nuclear magnetic resonance signal wirelessly transmitted from the RF coil device. The image reconstruction unit obtains a nuclear magnetic resonance signal received by the signal receiving unit, and reconstructs image data of an object on the basis of the nuclear magnetic resonance signal.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: June 15, 2021
    Assignee: Canon Medical Systems Corporation
    Inventor: Kazuya Okamoto