Patents by Inventor Chang Heon CHOI

Chang Heon CHOI 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: 20220265253
    Abstract: An oral fixation apparatus according to an embodiment of the present disclosure includes a mouthpiece provided to be mounted in a mouth, and a pressing unit configured to move relative to the mouthpiece, wherein the pressing unit is configured to press a tongue in the mouth to any one side in the mouth. Through this configuration, the oral fixation apparatus may maintain the same intraoral state. The oral fixation apparatus may be stably mounted inside the mouth, such that radiation therapy may be effectively and stably performed.
    Type: Application
    Filed: June 4, 2020
    Publication date: August 25, 2022
    Inventors: Hong Gyun WU, Jong Min PARK, Jung In KIM, Chang Heon CHOI, Jae Man SON, Ji Seong KIM
  • Patent number: 10864383
    Abstract: The present disclosure relates to a respiratory gating system for inducing respiration of a patient during radiation therapy. A respiratory gating system according to one embodiment of the present disclosure comprises: an image management unit for acquiring an MRI image of a patient and processing the acquired image; and a projection unit for displaying the MRI image acquired and processed by the image management unit to the patient in real time, wherein the projection unit may be configured to project an image of a treatment area of the patient in real time using, as a screen, a bore of a radiotherapy equipment which is formed to surround the patient in order to acquire the MRI image.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: December 15, 2020
    Assignees: SEOUL NATIONAL UNIVERSITY HOSPITAL, PAPRICA Lab. Co., Ltd.
    Inventors: Hong Gyun Wu, Jong Min Park, Chang Heon Choi, Jung In Kim
  • Publication number: 20190060668
    Abstract: The present disclosure relates to a respiratory gating system for inducing respiration of a patient during radiation therapy. A respiratory gating system according to one embodiment of the present disclosure comprises: an image management unit for acquiring an MRI image of a patient and processing the acquired image; and a projection unit for displaying the MRI image acquired and processed by the image management unit to the patient in real time, wherein the projection unit may be configured to project an image of a treatment area of the patient in real time using, as a screen, a bore of a radiotherapy equipment which is formed to surround the patient in order to acquire the MRI image.
    Type: Application
    Filed: October 29, 2018
    Publication date: February 28, 2019
    Applicants: SEOUL NATIONAL UNIVERSITY HOSPITAL, HANBEAM TECHNOLOGY INC.
    Inventors: Hong Gyun WU, Jong Min PARK, Chang Heon CHOI, Jung In KIM