Patents by Inventor Yongquan Gu

Yongquan Gu 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).

  • CLOSE-CELL STRUCTURED STENT, A PREPARATION METHOD AND USE THEREOF
    Publication number: 20200138613
    Abstract: Disclosed herein is a close-cell structured stent which is composed of curved struts that intersect at a crossing angle of 90 to 170 degrees in the longitudinal direction. Methods for making the stent, use of the stent as a vascular stent, an esophagus stent, an intestine stent, a bile conduct stent, or a urinary tract stent, and use of the stent in the manufacture of stent graft for the treatment of abdominal aortic aneurysms are also provided. The stent has both excellent longitudinal flexibility and radial strength.
    Type: Application
    Filed: December 20, 2019
    Publication date: May 7, 2020
    Inventors: Hugh Qinghong Zhao, Guixin Shi, Yongquan Gu, Qing Li
  • Close-cell structured stent, a preparation method and use thereof
    Patent number: 10603194
    Abstract: Disclosed herein is a close-cell structured stent which is composed of curved struts that intersect at a crossing angle of 90 to 170 degrees in the longitudinal direction. Methods for making the stent, use of the stent as a vascular stent, an esophagus stent, an intestine stent, a bile conduct stent, or a urinary tract stent, and use of the stent in the manufacture of stent graft for the treatment of abdominal aortic aneurysms are also provided. The stent has both excellent longitudinal flexibility and radial strength.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 31, 2020
    Assignee: Beijing Advanced Medical Technologies, Ltd. Inc.
    Inventors: Hugh Qinghong Zhao, Guixin Shi, Yongquan Gu, Qing Liu
  • CLOSE-CELL STRUCTURED STENT, A PREPARATION METHOD AND USE THEREOF
    Publication number: 20180104044
    Abstract: Disclosed herein is a close-cell structured stent which is composed of curved struts that intersect at a crossing angle of 90 to 170 degrees in the longitudinal direction. Methods for making the stent, use of the stent as a vascular stent, an esophagus stent, an intestine stent, a bile conduct stent, or a urinary tract stent, and use of the stent in the manufacture of stent graft for the treatment of abdominal aortic aneurysms are also provided. The stent has both excellent longitudinal flexibility and radial strength.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 19, 2018
    Inventors: Hugh Qinghong Zhao, Guixin Shi, Yongquan Gu, Qing Liu