Patents Assigned to Siemens Healthcare GmbH
  • Publication number: 20200341087
    Abstract: A k-space data acquisition device and method, and a magnetic resonance imaging device and method. The k-space data acquisition device includes an acquisition trajectory determiner configured to determine an acquisition trajectory of echo signals in a k space in a manner of filling echo data in a pseudo radial order; and a data acquirer configured to acquire k-space data conforming to the acquisition trajectory and fill the k space.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Qiong Zhang, Wei Liu, Nan Xiao
  • Publication number: 20200341094
    Abstract: A computer-implemented method for reconstructing a MRI image, including: receiving a plurality of MRI measurement data sets f1 to fN, wherein each data set is acquired from an examination object based on a different MRI protocol of an MRI system; receiving MRI images u10 to uN0 corresponding to the MRI measurement data sets f1 to fN; applying, in at least a first step GD1, trained functions to the MRI images u10 to uN0, using a neural network and a forward-sampling operator, wherein at least one output MRI image uT is generated; and providing the at least one output MRI image uT, wherein the forward-sampling operator determines an agreement between at least one MRI image u10 to uN0 and the corresponding MRI measurement data set f1 to fN.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Applicants: Siemens Healthcare GmbH, The General Hospital Corporation
    Inventors: Daniel Polak, Kawin Setsompop
  • Publication number: 20200337643
    Abstract: In a method for correcting the interference in respiratory navigation, transmitting, during magnetic resonance scanning, a respiratory signal generated by a radio frequency signal generator to a human body; acquiring, as a measured respiratory signal, a respiratory signal passing through the human body and acquired in a local coil, wherein the measured respiratory signal is constituted by a real respiratory signal and an interference signal; determining, according to a respiratory signal coil sensitivity of the real respiratory signal and an interference signal coil sensitivity of the interference signal, a signal relation that is satisfied by the real respiratory signal, the interference signal and the measured respiratory signal; and calculating the signal relation to obtain the real respiratory signal.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Nan Xiao, De He Weng, Yan Tu Huang, Qiong Zhang
  • Publication number: 20200341086
    Abstract: The present disclosure related to techniques for determining and eliminating a time delay between a radio frequency pulse and a layer selection gradient in a magnetic resonance device. The techniques for determining and eliminating the time delay direct measures the time delay between the layer selection gradient and the radio frequency pulse by using phase information. This technique is more sensitive and accurate than existing methods that use signal or artifact strength.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Applicant: Siemens Healthcare GmbH
    Inventor: De He Weng
  • Publication number: 20200337663
    Abstract: Techniques are disclosed for operating a medical imaging system to obtain frames of initial scanned images of a cross section of a scanned site of interest at different times in a first cycle; compare the frames to identify a plurality of blood vessel locations in the frames; calculate, according to the signal strengths of the frames at the plurality of blood vessel locations, a trigger time for triggering the scanning of the medical imaging system in a second cycle; combining the plurality of frames to determine a scanning range for operating the medical imaging system to scan the site of interest during the second cycle; and generating, according to the trigger time and the scanning range, a blood vessel imaged image of the site of interest during the second cycle.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Qiong Zhang, Liu En Yang, Yuan Yuan Kang
  • Patent number: 10818047
    Abstract: The disclosure includes a method for generating quantitative magnetic resonance (MR) images of an object under investigation. A first MR data set of the object under investigation is captured in an undersampled raw data space, wherein the object under investigation is captured in a plurality of 2D slices, in which the resolution in a slice plane of the slices is in each case higher than perpendicular to the slice plane, wherein the plurality of 2D slices are in each case shifted relative to one another by a distance which is smaller than the resolution perpendicular to the slice plane. Further MR raw data points of the first MR data set are reconstructed with the assistance of a model using a cost function which is minimized. The cost function takes account of the shift of the plurality of 2D slices perpendicular to the slice plane.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Tom Hilbert, Tobias Kober
  • Patent number: 10813602
    Abstract: A patient support apparatus including a patient couch and a single supporting pillar on which the patient couch is arranged in an adjustable and cantilevered manner, is provided. The apparatus includes a first rotary frame and a second rotary frame. The first rotary frame rotates about a first axis and encloses the supporting pillar. The second rotary frame rotates about a second axis, rotatably encloses the first rotary frame, and is fixed to the patient couch. The first rotary frame and the second rotary frame form a gimbal mount for the patient couch.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Alexander Krämer, Wolfgang Neuber
  • Patent number: 10818019
    Abstract: A method and system for 3D/3D medical image registration. A digitally reconstructed radiograph (DRR) is rendered from a 3D medical volume based on current transformation parameters. A trained multi-agent deep neural network (DNN) is applied to a plurality of regions of interest (ROIs) in the DRR and a 2D medical image. The trained multi-agent DNN applies a respective agent to each ROI to calculate a respective set of action-values from each ROI. A maximum action-value and a proposed action associated with the maximum action value are determined for each agent. A subset of agents is selected based on the maximum action-values determined for the agents. The proposed actions determined for the selected subset of agents are aggregated to determine an optimal adjustment to the transformation parameters and the transformation parameters are adjusted by the determined optimal adjustment.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Sebastien Piat, Shun Miao, Rui Liao, Tommaso Mansi, Jiannan Zheng
  • Patent number: 10816624
    Abstract: A method for correcting a B0 inhomogeneity in a magnetic resonance scan with a magnetic resonance tomograph is provided. The magnetic resonance tomograph includes a controller, a radio frequency unit, and a transmitting antenna. In the method, the controller determines a transmission signal that is suitable for correcting an effect of an inhomogeneity of a static B0 magnetic field in an examination volume by the Bloch-Siegert effect. The transmission signal is emitted into the examination volume.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Matthias Gebhardt, Ralf Kartäusch, Markus Vester
  • Patent number: 10817994
    Abstract: A method and system are provided for obtaining a true shape of objects in a medical image. The method includes receiving X-ray stand geometry parameter values, an Anglepoint, and an Anglestand values; selecting a plurality of pixels representing an object in the X-ray image; and determining magnification of each pixel in the X-ray image, that enables accurate determination of size and shape of imaged objects. The method may include determining an actual size of the object in the X-ray image and selectively reshaping the object in the X-ray image to obtain a true shape of the object.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Gaurav Tripathi, Mayur Betharia
  • Patent number: 10816618
    Abstract: A magnetic resonance (MR) body coil is provided with a supporting surface for support on an object to be examined and an outer side remote from the support side, wherein at least one light source is fastened to the outer side at a predefined position. A magnetic resonance system has at least one MR body coil and an image acquisition device for acquiring light, which may be radiated by the at least one light source of the at least one MR body coil. A method is used for operating a MR body coil, wherein at least one light source radiates light for positioning the MR body coil. A further method is used for positioning a MR body coil on an object to be examined, wherein at least one light source fastened to a MR body coil radiates light, the light is acquired by an image acquisition device, which includes at least one camera, and at least one position of the at least one light source is determined by the acquisition.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventor: Stefan Popescu
  • Patent number: 10819624
    Abstract: A method for communication between at least two computing facilities of a medical imaging facility via a single communication line is disclosed. In the method, communication information assigned to different communication types received in each case via a dedicated data input is merged to form data structures of a defined size to be transmitted via the communication line. The data structures are transmitted cyclically via the communication line with an interval of one cycle time and communication information of the different communication types is extracted from data structures received via the communication line and output at data outputs assigned to the respective communication types. The communication types include a first packet-oriented communication type and a second isochronous communication type corresponding to isochronous direct channel communication.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 27, 2020
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Rudi Baumgartl, Nikolaus Demharter
  • Patent number: 10813569
    Abstract: A method for reconstructing dynamic image data is described. In the method, raw data is acquired in a time-dependent manner from an examination region, wherein at least some of the raw data is assigned various values of movement parameters. First time-dependent image data based on acquired raw data is reconstructed. Furthermore, deformation fields based on the first image data are determined as a function of at least two time-dependent movement parameters. Based on the deformation fields, the raw data and the first image data, corrected image data is then generated. Furthermore, a reconstruction apparatus is described. Moreover, a magnetic resonance imaging system is described.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Christoph Forman, Peter Speier, Marcel Dominik Nickel
  • Patent number: 10813815
    Abstract: A patient-supporting apparatus includes a lifting apparatus. The lifting apparatus includes an upper part, a lower part, and a lifting linkage. The lifting linkage connects the upper part to the lower part and has at least one scissors-form sub-linkage having a central articulation. A point of rotation of the central articulation is arranged in a displaceable manner such that the upper part may be tilted in a transverse direction.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 27, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Klaus Hruschka, Richard Kellner, Philip Materne, Patrick Plannerer
  • Publication number: 20200334829
    Abstract: In a method for automatic motion detection in medical image-series, a dataset of a series of images is provided. The images can be of a similar region of interest that are recorded at consecutive points of time. The method can further include localizing a target in the images of the dataset and calculating a position of the target in the images to calculate localization data of the target, and calculating movement data of a movement of the target of temporal adjacent images of the images based on the localization data.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Jens Wetzl, Seung Su Yoon, Christoph Forman, Michaela Schmidt, Elisabeth Hoppe
  • Publication number: 20200333419
    Abstract: The present disclosure related to techniques for extracting a respiratory navigation signal for use in a magnetic resonance imaging system. The extracted respiratory navigation signals accurately represent respiratory motions of a patient.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Qiong Zhang, Wei Liu, Nan Xiao
  • Publication number: 20200335201
    Abstract: A method for setting a medical imaging protocol includes providing an information data set assigned to a patient. The information data set includes an information about a provisional diagnostic finding regarding the patient. In an embodiment, the method further includes assigning a probability value for a positive finding of the provisional diagnostic finding to the information data set; and automatically setting the medical imaging protocol. The medical imaging protocol is adapted to the provisional diagnostic finding such that an analysis of a result of the medical imaging protocol changes the probability value.
    Type: Application
    Filed: September 26, 2018
    Publication date: October 22, 2020
    Applicant: Siemens Healthcare GmbH
    Inventors: Razvan IONASEC, Philipp HOELZER
  • Patent number: 10810767
    Abstract: For low-complexity to learned reconstruction and/or learned Fourier transform-based operators for reconstruction, a neural network is used for the transform operators. The network architecture is modeled on the Cooley-Tukey fast Fourier transform (FFT) approach. By splitting input data before recursive calls in the network architecture, the network may be trained to perform the transform with similar complexity as FFT. The learned operators may be used in a trained network for reconstruction, such as with a learned iterative framework and image regularizer.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: October 20, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Boris Mailhe, Simon Arberet, Florent Billy Romaric Gbelidji, Mariappan S. Nadar
  • Patent number: 10810390
    Abstract: The invention is based on a configuration change at a monitored device being detected by a first computer unit of a monitored device. Furthermore, a first data record is determined by means of the first computer unit of the monitored device, wherein the first data record comprises at least one item of public device information and an item of configuration information, and wherein the item of public device information is assignable one-to-one to the monitored device. Furthermore, an item of visual information based on the first data record is determined by means of the first computer unit of the monitored device. Furthermore, the item of visual information is transmitted optically from an output unit of the monitored device to an input unit of a mobile monitoring unit.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 20, 2020
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Friedrich Hegendoerfer, Martin Korinth
  • Patent number: 10809336
    Abstract: A method is for adapting a parameter of a parameter set for a magnetic resonance measurement of an examination object. An embodiment of the method includes choosing a parameter set required for the magnetic resonance measurement of the examination object; determining at least one interaction indicator applicable to an interaction between electromagnetic radiation and a tissue of the examination object; comparing the interaction indicator with a previously defined upper limit for the interaction indicator and, upon the upper limit being exceeded, determining a group of parameters from the parameter set, adaptable with a view to complying with the upper limit. The method further includes calculating a modification suggestion for a multiplicity of parameters from the group with a view to complying with the upper limit, identifying a parameter to optimize a quality parameter of the magnetic resonance measurement, and adapting the identified parameter in accordance with its modification suggestion.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: October 20, 2020
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventor: Stefan Meyer