Patents Assigned to Shanghai United Imaging Healthcare Co., Ltd.
  • Patent number: 11141077
    Abstract: The disclosure relates to a system for immobilizing and supporting a subject in a medical procedure. The system may include a treatment apparatus configured to generate a radiation beam, and a device for immobilizing a subject. The device may include an immobilizing component for immobilizing at least one portion of the subject, and a radio frequency (RF) coil configured to receive a magnetic resonance (MR) signal related to the at least one portion of the subject. The immobilizing component may be configured to switch between a first mode and a second mode. The first mode may correspond to a positive pressure or a constant pressure related to the device. The second mode may correspond to a space of vacuum or substantially of vacuum related to the device. The RF coil may be located in the immobilizing component according to a position where the radiation beam is incident on the device.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: October 12, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Jiaqian Le
  • Publication number: 20210312645
    Abstract: The present disclosure provides a method and system for processing multi-modality images. The method may include obtaining multi-modality images; registering the multi-modality images; fusing the multi-modality images; generating a reconstructed image based on a fusion result of the multi-modality images; and determining a removal range with respect to a focus based on the reconstructed image. The multi-modality images may include at least three modalities. The multi-modality images may include a focus.
    Type: Application
    Filed: June 14, 2021
    Publication date: October 7, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Zhaoning CHENG, Rui WANG, Weiwen NIE
  • Publication number: 20210311147
    Abstract: Systems and methods for MR signal synchronization may be provided. The method may include determining a time difference in a local clock generator at a coil side assembly compared to a system clock generator at a system side assembly. The method may include maintaining a constant phase difference between clock signals generated by the local clock generator and by the system clock generator by correcting the local clock generator based on the time difference. The method may include acquiring MR echo signals by scanning at least a part of a subject in response to the clock signal generated by the corrected local clock generator. The method may further include digitizing the MR echo signal at the coil side assembly.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Ling JI
  • Publication number: 20210311152
    Abstract: A method for magnetic resonance imaging (MRI) is provided. The method may include obtaining scan data of a subject. The scan data may be acquired by an MR scanner at a time according to a pulse sequence. The method may include obtaining motion data of the subject. The motion data of the subject may be acquired by one or more sensors at the time. The motion data may reflect a motion state of the subject at the time. The method may also include determining, based on the motion data of the subject, a processing strategy indicating whether using the scan data to fill one or more k-space lines corresponding to the pulse sequence in a k-space. The method may further include obtaining k-space data based on the processing strategy.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 7, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Lingzhi HU, Yiran LI, Xinyuan XIA
  • Publication number: 20210308490
    Abstract: A system for radiation therapy may obtain a plurality of sets of motion data each of which corresponds to one of a plurality of motion phases of a subject. A set of motion data corresponding to a motion phase may include first physiological motion data and second physiological motion reflecting a physiological motion during the motion phase. The first physiological motion data and the second physiological motion data may be collected via a medical imaging device and a first motion sensor, respectively. The system may also direct a radiotherapy device to deliver a radiation treatment to the subject according to a treatment plan. During the radiation treatment, the system may obtain target physiological motion data reflecting the physiological motion of the subject, the target physiological motion data being collected via a second motion sensor; and adjust the treatment plan to adapt to the physiological motion of the subject.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 7, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Lingzhi HU, Hongdi LI
  • Patent number: 11135452
    Abstract: A radiation system is provided. The radiation system may include a bore accommodating an object, a rotary ring, a first radiation source and a second radiation source mounted on the rotary ring and a processor. The first radiation source may be configured to emit a first cone beam toward a first region of the object. The second radiation source may be configured to emit a second beam toward a second region of the object, the second region including at least a part of the first region. The processor may be configured to obtain a treatment plan of the object, the treatment plan including parameters associated with radiation segments. The processor may be further configured to control an emission of the first cone beam and/or the second beam based on the parameters associated with the radiation segments to perform a treatment and a 3-D imaging simultaneously.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: October 5, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jingjie Zhou, Li Wang, Yifeng Jiang, Cheng Ni, Johannes Stahl, Jonathan Maltz
  • Patent number: 11138770
    Abstract: A method may include obtaining scan data that is captured by scanning a heart of a subject with the imaging device. The method may include obtaining electrocardiogram (ECG) data during the scans of the heart of the subject. The method may include determining first scan data from the scan data. The method may include reconstructing the cardiac image based on the first scan data. The method may also include performing one or more iterations. Each of the one or more iterations may include determining whether there is a pulsatile artifact in the reconstructed cardiac image, determining a second time period of at least one cardiac cycle based on the pulsatile artifact, and reconstructing the cardiac image based on the scan data and the second time period.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 5, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Xin Hao, Xiang Li
  • Publication number: 20210302517
    Abstract: Systems, apparatuses, and methods for the transit of a superconducting magnet are provided. The apparatuses may include a compressor configured to compress a cryogen after the cryogen cools a superconducting magnet in the transit of the superconducting magnet. The compressed cryogen may be used to cool the superconducting magnet. The apparatuses may also include a power supply device configured to provide power to the compressor and a thermal management system configured to in thermal communication with the compressor. The apparatuses may further include a container configured to accommodate at least one of the compressor, the thermal management system, and the power supply device.
    Type: Application
    Filed: July 22, 2020
    Publication date: September 30, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Peng WANG, Jin QIAN, Xijin TAN, Baogang PENG
  • Publication number: 20210304459
    Abstract: The disclosure relates to a system and method for image reconstruction. The method may include the steps of: obtaining raw data corresponding to radiation rays within a volume, determining a radiation ray passing a plurality of voxels, grouping the voxels into a plurality of subsets such that at least some subset of voxels are sequentially loaded into a memory, and performing a calculation relating to the sequentially loaded voxels. The radiation ray may be determined based on the raw data. The calculation may be performed by a plurality of processing threads in a parallel hardware architecture. A processing thread may correspond to a subset of voxels.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 30, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Yang LV, Yu DING
  • Patent number: 11129582
    Abstract: The present disclosure directs to a system and method for image processing. The method for image processing comprises acquiring a plurality of original computed tomography (CT) images of a spine of a subject; generating CT value images of the spine of the subject by processing the plurality of original CT images. The method further includes identifying an optimal sagittal image in which a centerline of the spine is located based on the CT value images. The method further includes identifying the centerline of the spine within the optimal sagittal image. The method further includes identifying a center point and a direction of at least one intervertebral disc along the centerline of the spine. The method still further includes reconstructing an image of the at least one intervertebral disc based on the center point and the direction of the at least one intervertebral disc.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 28, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Fenggang Jia, Wenjun Yu
  • Publication number: 20210290979
    Abstract: Systems and methods for adjusting a beam-limiting device, the beam-limiting device including a plurality of movable components for shaping a radiation beam. The methods may include for each of the plurality movable components, determining an initial location of the movable component; determining a target location of the movable component; and determining, based on the initial location and the target location, a moving route of the movable component. The methods may also include causing the plurality of movable components to move along their respective moving routes. During the movement of the plurality of movable components along their respective moving routes, the shape of an irradiation region of the radiation beam passing through the beam-limiting device may remain unchanged or substantially unchanged.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 23, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Yanfang LIU, Yifeng WANG
  • Publication number: 20210295501
    Abstract: The present disclosure provides a system and method for image reconstruction and processing. The method may include obtaining image data of an object acquired by an imaging device. The method may include determining one or more regions of interest (ROIs) of the object. The method may also include determining, based on each ROI of the one or more ROIs, a target portion of the image data corresponding to the ROI among the image data. The method may further include reconstructing, based on the target portion of the image data, one or more images of the ROI.
    Type: Application
    Filed: December 28, 2020
    Publication date: September 23, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Debin HU, Yong ZHAO, Yang LYU, Yizhang ZHAO, Liuchun HE, Yinghan QU
  • Publication number: 20210290166
    Abstract: A method for medical imaging is provided. The method may include automatically determining that a positioning procedure of a subject has been finished based on image data of the subject captured by an image capturing device. The method may also include obtaining status information of a medical device. The method may further include causing the medical device to perform a scan on the subject based on a determination result that the positioning procedure of the subject has been finished, the status information of the medical device, and a starting signal of the scan.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 23, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Wei LI, Yongqin XIAO, Ziyan WU
  • Publication number: 20210293980
    Abstract: An imaging system is provided. A method for installing the imaging system is provided. The imaging system may include a first modality imaging apparatus. The first modality imaging apparatus may have a detector including a scintillator unit, a photodetector unit, a circuit unit, a supporting block, and a supporting board. The supporting block may be disposed on an end of the scintillator unit. The supporting board may be disposed between the photodetector unit and the circuit unit.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 23, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Weiping LIU, Guanghe WU, Shitao LIU
  • Publication number: 20210283424
    Abstract: A method for driving a leaf of a multi-leaf collimator (MLC) is provided. The method may include obtaining a target position of the leaf; identifying a current position of the leaf; generating a first control signal based on the target position of the leaf and the current position of the leaf; generating a second control signal based on at least one of a target velocity of the leaf, a target acceleration of the leaf, or a current angle of the leaf; generating a third control signal based on the first control signal and the second control signal; and/or causing a drive circuit to generate a driving signal for driving the leaf to move towards the target position by providing the third control signal to the drive circuit.
    Type: Application
    Filed: November 26, 2020
    Publication date: September 16, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Boqi MA
  • Patent number: 11119172
    Abstract: A method for MRI may include obtaining one or more scan parameters. The one or more scan parameters may include information of a plurality of diffusion gradients. The method may include causing, based on the one or more scan parameters, an imaging device to perform a plurality of scans to one or more slices of an object by applying the plurality of diffusion gradients to the one or more slices. For two components in a specific direction of the plurality of diffusion gradients applied in any two successive scans of the plurality of scans, there may be at most one component exceeding a first threshold. The specific direction may be one of a readout direction, a phase-encoding direction, or a slice-selection direction. The first threshold may be less than diffusion gradient energy relating to a duration and strength associated with one of the plurality of diffusion gradients.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: September 14, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Zhenhua Shen
  • Publication number: 20210279919
    Abstract: A method for evaluating image quality is provided. The method may include: obtaining an image, the image including a plurality of elements, each element of the plurality of elements being a pixel or voxel, each element having a gray level; determining, based on a maximum gray level of the plurality of elements, one or more thresholds for segmenting the image; determining one or more sub-images of a region of interest by segmenting, based on the one or more thresholds, the image; and determining, based on the one or more sub-images of the region of interest, a quality index for the image.
    Type: Application
    Filed: May 21, 2021
    Publication date: September 9, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Yi WANG
  • Patent number: 11110301
    Abstract: A method for calibrating an alignment device includes obtaining one or more projection images of a phantom having one or more surface indicators, the one or more surface indicators indicating a first coordinate system relating to the phantom, an origin of the first coordinate system overlapping with a calibration point of the phantom. The method further includes determining a difference between the first coordinate system and a second coordinate system based on the one or more projection images, the second coordinate system being relating to a medical system. The method further includes adjusting the phantom to an updated state according to the difference between the first coordinate system and the second coordinate system such that the first coordinate system overlaps with the second coordinate system. The method also includes adjusting an alignment device according to the one or more surface indicators in the updated state.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: September 7, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Hongcheng Yang
  • Publication number: 20210272337
    Abstract: A system and method for determine a parameter for medical data processing are provided. The method may include obtaining sample data, the sample data may comprise at least one of projection data or a scanning parameter. The method may also include obtaining a first neural network model. The method may further include determining the parameter based on the sample data and the first neural network model. The parameter may comprise at least one of a correction coefficient or a noise reduction parameter.
    Type: Application
    Filed: April 12, 2021
    Publication date: September 2, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Yanyan LIU
  • Publication number: 20210267556
    Abstract: The present disclosure relates to a data acquisition device and a configuration method. The device includes a channel, wherein the channel includes a data control panel and a plurality of detection components. At least one of the plurality of detection components is directly connected to the data control panel. The data control panel may be configured to identify the channel and send a configuration command to the plurality of detection components. The plurality of detection components may determine channel location numbers of the plurality of detection components based on the configuration command and send the channel location numbers to the data control panel. The data control panel may determine identification numbers for the plurality of detection components based on the channel location numbers and allocate the identification numbers to the plurality of detection components.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Longzi YANG