Patents by Inventor Pei-hsi CHOU

Pei-hsi CHOU 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).

  • Patent number: 11484340
    Abstract: Disclosed is an arthroscopic cannula to solve the problem of more wounds being created due to the use of a plurality of cannulas in a conventional arthroscopic surgery. The arthroscopic cannula includes a cannula body, a spacer provided inside the cannula body and extending axially along the cannula body to divide an internal space of the cannula body into a first chamber and a second chamber, and a joint connected to one end of the cannula body. The interior of the joint intercommunicates with the first chamber and the second chamber.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: November 1, 2022
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Pei-hsi Chou, Cheng-chang Lu, Yu-chuan Lin
  • Publication number: 20190388119
    Abstract: Disclosed is an arthroscopic cannula to solve the problem of more wounds being created due to the use of a plurality of cannulas in a conventional arthroscopic surgery. The arthroscopic cannula includes a cannula body, a spacer provided inside the cannula body and extending axially along the cannula body to divide an internal space of the cannula body into a first chamber and a second chamber, and a joint connected to one end of the cannula body. The interior of the joint intercommunicates with the first chamber and the second chamber.
    Type: Application
    Filed: December 19, 2016
    Publication date: December 26, 2019
    Inventors: Pei-hsi CHOU, Cheng-chang LU, Yu-chuan LIN