Patents by Inventor Rongqiong ZHANG

Rongqiong ZHANG 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).

  • Tissue closure device, tissue closure component, and medical instrument
    Patent number: 10835244
    Abstract: The present invention discloses a tissue closure device, a tissue closure assembly and a medical instrument. The tissue closure device comprises a base, a pressure plate cooperating with the base, and a staple pushing sheet. The pressure plate is rotatable relatively to the base. The tissue closure device further comprises a staple accommodating portion which is arranged at the distal end of the base and configured to accommodate a closure staple. The staple pushing sheet and the staple accommodating portion are configured to cooperatively drive the closure staple in the staple accommodating portion to deform. In the present invention, a bundled pouch with a gathered center is formed through the tissue closure device, so that risks of stoma fistula arising from subsequent anastomosis through a circular stapler are reduced; and the surgery cost is reduced.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: November 17, 2020
    Assignee: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
    Inventors: Wangdong Chen, Kezhan Sun, Jiang Lin, Yi Guo, Yuanyang Cao, Rongqiong Zhang
  • TISSUE CLOSURE DEVICE, TISSUE CLOSURE COMPONENT, AND MEDICAL INSTRUMENT
    Publication number: 20200155148
    Abstract: The present invention discloses a tissue closure device, a tissue closure assembly and a medical instrument. The tissue closure device comprises a base, a pressure plate cooperating with the base, and a staple pushing sheet. The pressure plate is rotatable relatively to the base. The tissue closure device further comprises a staple accommodating portion which is arranged at the distal end of the base and configured to accommodate a closure staple. The staple pushing sheet and the staple accommodating portion are configured to cooperatively drive the closure staple in the staple accommodating portion to deform. In the present invention, a bundled pouch with a gathered center is formed through the tissue closure device, so that risks of stoma fistula arising from subsequent anastomosis through a circular stapler are reduced; and the surgery cost is reduced.
    Type: Application
    Filed: December 22, 2016
    Publication date: May 21, 2020
    Inventors: Wangdong Chen, Kezhan SUN, Jiang LIN, Yi GUO, Yuanyang CAO, Rongqiong ZHANG