Patents by Inventor Qizhen XU

Qizhen XU 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).

  • Recovery device of gold marker for radiotherapy positioning and using method thereof
    Patent number: 11638595
    Abstract: A gold marker recovery device for radiotherapy positioning and its using method comprises a positioning gold marker and a recovery clamp, the positioning gold marker comprises a gold marker body and an elastic fixed structure, the elastic fixed structure comprises a fixed segment, an extending segment and a spiral segment connected in sequence; the fixed segment is embedded in the gold marker body so that the fixed segment is closely connected with the gold marker body, A magnetic ball is arranged at one end of the gold marker body away from the extending segment; the recovery clamp comprises an operating handle, the rear end of the operating handle is connected with an outer sheath tube in a hollow structure, and the outer sheath tube is connected with a zipper for driving the clamp to open and close.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: May 2, 2023
    Assignee: Fujian Medical University Union Hospital
    Inventors: Xiaobo Li, Benhua Xu, Fen Zheng, Yuangui Chen, Fangfen Dong, Jing Chen, Lanyan Guo, Cheng Chen, Qizhen Xu, Jianping Zhang, Shanting He, Liuqing Jiang
  • RECOVERY DEVICE OF GOLD MARKER FOR RADIOTHERAPY POSITIONING AND USING METHOD THEREOF
    Publication number: 20220022995
    Abstract: A gold marker recovery device for radiotherapy positioning and its using method comprises a positioning gold marker and a recovery clamp, the positioning gold marker comprises a gold marker body and an elastic fixed structure, the elastic fixed structure comprises a fixed segment, an extending segment and a spiral segment connected in sequence; the fixed segment is embedded in the gold marker body so that the fixed segment is closely connected with the gold marker body, A magnetic ball is arranged at one end of the gold marker body away from the extending segment; the recovery clamp comprises an operating handle, the rear end of the operating handle is connected with an outer sheath tube in a hollow structure, and the outer sheath tube is connected with a zipper for driving the clamp to open and close.
    Type: Application
    Filed: January 6, 2021
    Publication date: January 27, 2022
    Applicant: Fujian Medical University Union Hospital
    Inventors: Xiaobo LI, Benhua XU, Fen ZHENG, Yuangui CHEN, Fangfen DONG, Jing CHEN, Lanyan GUO, Cheng CHEN, Qizhen XU, Jianping ZHANG, Shanting HE, Liuqing JIANG