Patents by Inventor Jonathan Maltz

Jonathan Maltz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230309945
    Abstract: The method may include obtaining a first set of imaging data affording a sagittal view relating to a subject and a first couch supporting the subject. The first couch may have a plurality of first positions reflected in the first set of imaging data as a first conformation. The method may also include determining a displacement field associated with a first set of imaging data with respect to the reference conformation based on the first conformation and a reference conformation. The method may further include adjusting the first set of imaging data with respect to the reference conformation based on the displacement field. In some embodiments, the method may include obtaining an image of the subject with respect to the reference conformation based on the adjusted first set of imaging data.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 5, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Supratik BOSE, Jonathan MALTZ
  • Patent number: 11737721
    Abstract: A system, medium, and method including obtaining a plurality of positions for multiple components defined by a plan; obtaining a set of constraints that express limitations for the multiple components at the plurality of positions, the constraints being applicable to a plan where the multiple components synchronously change their positions with time to traverse a prescribed sequence of the plurality of positions, at least one of the multiple components being further constrained to change its position over time by staying within a predefined tolerance to a predefined smooth function of position over time between different positions; determining a trajectory of position and a minimum duration in which the multiple components completely synchronously traverse the prescribed sequence of positions while satisfying the constraints for the multiple components; and generating a record of the determined trajectory of position and the minimum duration for the plurality of components.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: August 29, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Supratik Bose, Johannes Stahl, Jonathan Maltz
  • Publication number: 20230241419
    Abstract: A radiation system may include a treatment head configured to deliver a treatment beam to an object, a first assistance assembly configured to facilitate a delivery of the treatment beam, a first imaging radiation source configured to direct a first imaging beam toward the object, a first detector configured to detect at least a portion of the first imaging beam, and a second assistance assembly configured to facilitate a delivery of the first imaging beam. The gantry may include a first gantry portion having a rotation axis and a second gantry portion located next to the first gantry portion along the rotation axis. The treatment head, the first imaging radiation source, and the first detector may be disposed on the first gantry portion. The first assistance assembly and the second assistance assembly may be housed within the second gantry portion.
    Type: Application
    Filed: March 8, 2023
    Publication date: August 3, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jonathan MALTZ, Cheng NI
  • Publication number: 20230241420
    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: Application
    Filed: March 27, 2023
    Publication date: August 3, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jingjie ZHOU, Li WANG, Yifeng JIANG, Cheng NI, Johannes STAHL, Jonathan MALTZ
  • Publication number: 20230191158
    Abstract: A method may include obtaining input data relating to a target treatment plan for performing radiotherapy on a lesion using a radiation device. The input data may include a first target image of the lesion. The method may also include obtaining a segment shape estimation model. The method may also include estimating, based on the segment shape estimation model and the input data, a plurality of target location combinations of the target treatment plan and a plurality of target segment shapes of a collimator of the radiation device. One of the plurality of target location combinations may indicate a location of the collimator relative to the lesion. Each of the plurality of target segment shapes may correspond to one of the plurality of target location combinations.
    Type: Application
    Filed: February 20, 2023
    Publication date: June 22, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Supratik BOSE, Jonathan MALTZ, Jingjie ZHOU
  • Patent number: 11673005
    Abstract: The present disclosure provides a method for imaging of moving subjects. The method may include determining a motion range of a region of interest (ROI) of a subject in an axial direction. The method may also include causing a radiation source to emit, at each of a plurality of axial positions relative to the subject, radiation beams to the ROI to generate an image frame of the ROI. The radiation beams corresponding to the plurality of axial positions may jointly cover the motion range of the ROI in the axial direction. The method may further include determining a position of the ROI in the axial direction based on the image frames of the ROI, and determining, based on the positions of the ROI in the axial directions, at least one time bin in which therapeutic beams are to be emitted to the ROI.
    Type: Grant
    Filed: April 3, 2022
    Date of Patent: June 13, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Jonathan Maltz
  • Patent number: 11672501
    Abstract: The method may include obtaining a first set of imaging data affording a sagittal view relating to a subject and a first couch supporting the subject. The first couch may have a plurality of first positions reflected in the first set of imaging data as a first conformation. The method may also include determining a displacement field associated with a first set of imaging data with respect to the reference conformation based on the first conformation and a reference conformation. The method may further include adjusting the first set of imaging data with respect to the reference conformation based on the displacement field. In some embodiments, the method may include obtaining an image of the subject with respect to the reference conformation based on the adjusted first set of imaging data.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: June 13, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Supratik Bose, Jonathan Maltz
  • Publication number: 20230169668
    Abstract: Systems and methods for image registration are provided. The method may include obtaining a reference image of an object (510); the object includes a target volume; determining a registration mask associated with a region of interest (ROI) based on the reference image (520), the ROI includes at least a portion of the target volume; obtaining a target image of the object (530); and performing an image registration on the reference image and the target image based on the registration mask (540).
    Type: Application
    Filed: February 1, 2023
    Publication date: June 1, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Hongcheng YANG, Jonathan MALTZ
  • Publication number: 20230115224
    Abstract: The present disclosure relates to systems and methods for pulse parameter modulation. The systems may perform the methods to obtain information related to a treatment plan; determine a backward window based on the information related to the treatment plan, within which one or more radiation pulses have been transmitted; determine backward information associated with the backward window based on the information related to the treatment plan and the backward window; determine a forward window based on the information related to the treatment plan, within which one or more radiation pulses are to be transmitted; determine forward information associated with the forward window based on the information related to the treatment plan, the backward information, and the forward window; and determine one or more pulse parameters of the forward window based on the forward information.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 13, 2023
    Applicant: UIH AMERICA, INC.
    Inventors: Johannes STAHL, Jonathan MALTZ
  • Publication number: 20230105143
    Abstract: A method for delivering radiation treatment may include defining a preliminary trajectory including a plurality of control points. Each control point may be associated with position parameters of a gantry and a couch. The method may also include generating a treatment plan based on the preliminary trajectory by optimizing an intensity and position parameters of a collimator and MLC leaves for each control point. The method may also include decomposing the treatment plan into a delivery trajectory including the plurality of control points. Each of the plurality of control points may be further associated with the optimized intensity, the optimized position parameters of the collimator and the MLC leaves, an output rate, and a motion parameter of each of the gantry, the couch, the collimator, and the MLC leaves. The method may further include instructing a radiation delivery device to deliver the treatment plan according to the delivery trajectory.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 6, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Johannes STAHL, Jonathan MALTZ
  • Publication number: 20230100281
    Abstract: A method for correcting projection images in CT image reconstruction is provided. The method may include obtaining a plurality of projection images of a subject. Each of the plurality of projection images may correspond to one of the plurality of gantry angles. The method may further include correcting a first projection image of the plurality of projection images according to a process for generating a corrected projection image. The process may include performing, based on the first projection image and a second projection image of the plurality of projection images, a first correction on the first projection image to generate a preliminary corrected first projection image. The process may also include performing, based on at least part of the preliminary corrected first projection image, a second correction on the preliminary corrected first projection image to generate a corrected first projection image corresponding to the first gantry angle.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Hongcheng YANG, Jianwei ZHU, Haining SUN, Jonathan MALTZ
  • Patent number: 11612767
    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: September 28, 2021
    Date of Patent: March 28, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jingjie Zhou, Li Wang, Yifeng Jiang, Cheng Ni, Johannes Stahl, Jonathan Maltz
  • Publication number: 20230091955
    Abstract: The present disclosure provides a system for patient monitoring. The system may cause a medical device to perform a treatment or a scan on a patient who remains in a breath-hold status. During the treatment or the scan of the patient, the system may acquire one or more parameter values relating to one or more status parameters that reflect the breath-hold status of the patient using a monitoring device. The system may also predict a breaking point of the breath-hold status based on the one or more parameter value. The system may further adjust the treatment or the scan based on the breaking point of the breath-hold status.
    Type: Application
    Filed: November 25, 2022
    Publication date: March 23, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jonathan MALTZ, Johannes STAHL
  • Patent number: 11596808
    Abstract: A radiation therapy medical apparatus is disclosed. The medical apparatus comprises: a base; a cylindrical gantry, peripherally and rotatably supported by the base; a radiation therapy assembly, comprising an arm and a radiation head, wherein one end of the arm is fixed to a first position on a first side of the gantry and the other end thereof is extended outwardly, and the radiation head is fixed to the other end of the arm; an imaging assembly, mounted to a second side of the gantry opposite to the first side, and configured to be a first balanced weight part for balancing the radiation therapy assembly; and a counterbalance, fixed to the second side of the gantry, and configured to cooperate with the imaging assembly to prevent the gantry from turnover under action of the radiation therapy assembly and configured to dynamically balance with the radiation therapy assembly with respect to a rotation axis of the gantry.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: March 7, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jonathan Maltz, Johannes Stahl, Jian Liu, Jian Zhang, Yuelin Shao, Xiaolong Liu
  • Patent number: 11590368
    Abstract: A radiation system may include a treatment assembly including a first radiation source, a second radiation source, and a first radiation detector. The first radiation source may be configured to deliver a treatment beam covering a treatment region of the radiation system, and the treatment region may be located in a bore of the radiation system. The second radiation source may be configured to deliver a first imaging beam covering a first imaging region of the radiation system, and may be mounted rotatably on a first side of the treatment assembly. The first radiation detector may be configured to detect at least a portion of the first imaging beam, and may be mounted rotatably on a second side of the treatment assembly. The treatment assembly, the second radiation source, and the first radiation detector may be positioned such that the treatment region is addressable for the radiation system.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: February 28, 2023
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Johannes Stahl, Jonathan Maltz
  • Patent number: 11534627
    Abstract: System for treatment positioning is provided. The system may include a treatment component, an imaging component, and a couch. The treatment component may include a radiation source that has a radiation isocenter. The couch may be movable between the treatment component and the imaging component, and include a positioning line that has a positioning feature. The system may acquire at least one first image relating to a subject and the positioning line using the radiation source at a set-up position. The system may also acquire at least one second image relating to the subject and the positioning line using the imaging component at an imaging position. The system may further determine a treatment isocenter of a target of the subject based on the at least one second image, and determine a treatment position of the subject based on the first image(s), the second image(s), and the positioning line.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: December 27, 2022
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jonathan Maltz, Supratik Bose
  • Patent number: 11521336
    Abstract: A method for correcting projection images in CT image reconstruction is provided. The method may include obtaining a plurality of projection images of a subject. Each of the plurality of projection images may correspond to one of the plurality of gantry angles. The method may further include correcting a first projection image of the plurality of projection images according to a process for generating a corrected projection image. The process may include performing, based on the first projection image and a second projection image of the plurality of projection images, a first correction on the first projection image to generate a preliminary corrected first projection image. The process may also include performing, based on at least part of the preliminary corrected first projection image, a second correction on the preliminary corrected first projection image to generate a corrected first projection image corresponding to the first gantry angle.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: December 6, 2022
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Hongcheng Yang, Jianwei Zhu, Haining Sun, Jonathan Maltz
  • Patent number: 11517770
    Abstract: A method for delivering radiation treatment may include defining a preliminary trajectory including a plurality of control points. Each control point may be associated with position parameters of a gantry and a couch. The method may also include generating a treatment plan based on the preliminary trajectory by optimizing an intensity and position parameters of a collimator and MLC leaves for each control point. The method may also include decomposing the treatment plan into a delivery trajectory including the plurality of control points. Each of the plurality of control points may be further associated with the optimized intensity, the optimized position parameters of the collimator and the MLC leaves, an output rate, and a motion parameter of each of the gantry, the couch, the collimator, and the MLC leaves. The method may further include instructing a radiation delivery device to deliver the treatment plan according to the delivery trajectory.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: December 6, 2022
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Johannes Stahl, Jonathan Maltz
  • Publication number: 20220379141
    Abstract: The disclosure provides a system for EGRT. The system may include a radiotherapy device for treating a subject. The radiotherapy device may include a scintillation camera that is directed at an ROI of the subject. The subject may be injected with a radioactive tracer or implanted with a radioactive marker before treatment. The ROI may undergo a physiological motion during the treatment. The system may deliver a treatment session to the subject by the radiotherapy device. During the treatment session, the system may acquire a target image of the ROI indicative of a distribution of the radioactive tracer or the radioactive maker in the ROI by the scintillation camera, and adapt a radiation beam to be delivered to the subject with respect to the physiological motion of the ROI by adjusting the radiation beam based on the target image.
    Type: Application
    Filed: August 11, 2022
    Publication date: December 1, 2022
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Jonathan MALTZ
  • Patent number: 11495367
    Abstract: A multi-leaf collimator is provided. The multi-leaf collimator may include a plurality of leaves configured to shield radiation beams. At least two leaves of the plurality of leaves may be movable in a direction parallel to each another. Each leaf of at least some of the plurality of leaves may be configured to be movable between at least two positions. At least one of the at least two positions may be adjustable.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 8, 2022
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Johannes Stahl, Jonathan Maltz