Patents by Inventor Xiangyong Cheng

Xiangyong Cheng 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).

  • Patent number: 8819591
    Abstract: A method and apparatus for treatment planning are described. A treatment planning system provides a computer-simulated virtual environment including a virtual artifact that is a three-dimensional simulation of a patient anatomy, wherein the three-dimensional simulation is generated from one or more diagnostic images taken of the patient anatomy. The treatment planning system performs a treatment planning operation associated with the virtual artifact in response to a user interaction with the virtual environment.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: August 26, 2014
    Assignee: Accuray Incorporated
    Inventors: Bai Wang, Kun Zhang, Xiangyong Cheng, I-Ning Chang, Robert W. Hill, Colin Sims, Hongwu Wang
  • Publication number: 20110107270
    Abstract: A method and apparatus for treatment planning are described. A treatment planning system provides a computer-simulated virtual environment including a virtual artifact that is a three-dimensional simulation of a patient anatomy, wherein the three-dimensional simulation is generated from one or more diagnostic images taken of the patient anatomy. The treatment planning system performs a treatment planning operation associated with the virtual artifact in response to a user interaction with the virtual environment.
    Type: Application
    Filed: April 15, 2010
    Publication date: May 5, 2011
    Inventors: Bai Wang, Kun Zhang, Xiangyong Cheng, I-Ning Chang, Robert W. Hill, Colin Sims, Hongwu Wang
  • Patent number: 7018333
    Abstract: An apparatus and related methods for ultrasound-assisted surgical removal of a tumor or other biological object from a patient, the tumor requiring complete removal such that no portion thereof remains inside the patient, is described. According to a preferred embodiment, a specimen containing the tumor is extracted from the patient and suspended in a container holding an acoustically conductive fluid. An ultrasound probe is brought into acoustic communication with the fluid and scans the specimen, preferably at an acoustic power setting higher than a maximum ultrasonic power permitted on live human tissue. Resulting two-dimensional and/or three-dimensional ultrasound images of the specimen, which have a higher quality due to the increased acoustic power of the scan, are viewed on an output display for examining whether any portion of the tumor comes into contact with a surface of the specimen.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: March 28, 2006
    Assignee: U-Systems, Inc.
    Inventors: Shih-Ping Wang, Tommy Earl Cupples, Xiangyong Cheng
  • Publication number: 20040152981
    Abstract: An apparatus and related methods for ultrasound-assisted surgical removal of a tumor or other biological object from a patient, the tumor requiring complete removal such that no portion thereof remains inside the patient, is described. According to a preferred embodiment, a specimen containing the tumor is extracted from the patient and suspended in a container holding an acoustically conductive fluid. An ultrasound probe is brought into acoustic communication with the fluid and scans the specimen, preferably at an acoustic power setting higher than a maximum ultrasonic power permitted on live human tissue. Resulting two-dimensional and/or three-dimensional ultrasound images of the specimen, which have a higher quality due to the increased acoustic power of the scan, are viewed on an output display for examining whether any portion of the tumor comes into contact with a surface of the specimen.
    Type: Application
    Filed: April 2, 2004
    Publication date: August 5, 2004
    Inventors: Shih-Ping Wang, Tommy Earl Cupples, Xiangyong Cheng
  • Publication number: 20040138559
    Abstract: A method and system for screening and/or diagnosing a tumor in a subject breast using ultrasonically obtained image information is described. A user interface displays a three-dimensional view of the tumor suspended within a three-dimensional semitransparent view of a breast, the tumor suspended at a position corresponding to the actual position of the tumor inside the breast. A larger, close-up view of the tumor is also provided that a user can manipulate (e.g., rotate, enlarge, etc.) for clearer analysis. A semi-transparent view of the opposing breast is placed adjacent to the semi-transparent view of the subject breast in a manner that reflects the actual positioning of the breasts on the patient's body, or in a manner that emulates a mammogram-like view of the breasts.
    Type: Application
    Filed: March 8, 2004
    Publication date: July 15, 2004
    Inventors: Xiangyong Cheng, Shih-Ping Wang
  • Patent number: 6540681
    Abstract: An extended view ultrasound imaging system in which a position sensor is used to detect the location and orientation of a ultrasound transducer for each scan frame as the ultrasound transducer is swept across the surface of a target. The contents of the successive scan frames, together with their location and orientation information, are processed to generate an extended view ultrasound image of the target region. An output array representing the extended view image is first initialized, and then successively updated as each scan frame is received. In a preferred embodiment, an alpha-blending algorithm is used to combine the information in the current scan frame with previous output array values to generate the current output array values.
    Type: Grant
    Filed: November 24, 2000
    Date of Patent: April 1, 2003
    Assignee: U-Systems, Inc.
    Inventors: Xiangyong Cheng, Shengtz Lin
  • Patent number: 6309353
    Abstract: Method and apparatus for extraction of breast tumors from three-dimensional ultrasonic images obtained by interpolation of a series of cross sectional images. The method consists of two stages are disclosed. In the first stage a membership function is automatically generated by using an output of three dimensional LoG(Laplace of Gaussian) filtering for the voxel data. In the second stage, the membership function is used for a fuzzy logic based calculation to produce three grades of the voxel attributable to three classes of “tumor”, “normal tissue” and “boundary”. We then classify each voxel as one of the three classes by relaxation techniques. Also, a parameter for evaluation of the uneven complexity of the surface roughness using a ratio of the surface area over the volume is defined.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: October 30, 2001
    Assignee: Mitani Sangyo Co., Ltd.
    Inventors: Xiangyong Cheng, Iwaki Akiyama, Kouichi Itoh