Patents by Inventor Yizhi JIANG

Yizhi JIANG 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).

  • Surgical robot system
    Patent number: 11478316
    Abstract: A surgical robot system includes a slave unit and a computing unit. The slave unit includes a robotic arm, a surgical instrument, a cannula and a sensing element. The robotic arm drives the surgical instrument to rotate about a remote center of motion (RCM). The cannula is detachably coupled to a terminal of the robotic arm and defines an axis passing through the RCM. The surgical instrument is detachably connected with the terminal of the robotic arm and extends distally through the cannula, and the sensing element is disposed on the cannula and senses an axial deformation of the cannula. The computing unit determines a radial force acting on the terminal of the surgical instrument, from a force on the cannula sensed by the sensing element, according to the principle of torque balance.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: October 25, 2022
    Assignee: SHANGHAI MICROPORT MEDBOT (GROUP) CO., LTD.
    Inventors: Yizhi Jiang, Yunlei Shi, Yuyuan He, Xiang Zhu, Shuai Yuan, Chao He
  • SURGICAL ROBOT SYSTEM
    Publication number: 20200289227
    Abstract: A surgical robot system includes a slave unit and a computing unit. The slave unit includes a robotic arm, a surgical instrument, a cannula and a sensing element. The robotic arm drives the surgical instrument to rotate about a remote center of motion (RCM). The cannula is detachably coupled to a terminal of the robotic arm and defines an axis passing through the RCM. The surgical instrument is detachably connected with the terminal of the robotic arm and extends distally through the cannula, and the sensing element is disposed on the cannula and senses an axial deformation of the cannula. The computing unit determines a radial force acting on the terminal of the surgical instrument, from a force on the cannula sensed by the sensing element, according to the principle of torque balance.
    Type: Application
    Filed: August 3, 2018
    Publication date: September 17, 2020
    Inventors: Yizhi JIANG, Yunle SHI, Yuyuan HE, Xiang ZHU, Shuai YUAN, Chao HE