Patents by Inventor Guei-Huang JIANG

Guei-Huang 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).

  • Medical needle and method of maintaining sharpness of needle
    Patent number: 10668189
    Abstract: Disclosed is a medical needle used for performing a piercing or insertion operation on an object repetitively, the medical needle comprising a needle body and a metallic glass material layer formed on a surface of the needle body, the metallic glass material layer comprising an alloy consisting of aluminum, zirconium, copper and tantalum. With the presence of the metallic glass material layer covering the needle body, the medical needle may maintain its sharpness after having performed multiple piercing or insertion operations to enhance durability, minimize the increase of maximum piercing or insertion force resulted from piercing or insertion operations, and decrease injury to the object caused by piercing or insertion operations.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: June 2, 2020
    Assignee: National Taiwan University of Science and Technology
    Inventors: Jinn P. Chu, Guei-Huang Jiang, Shih-Hsin Chang, Ming-Jen Chen
  • MEDICAL NEEDLE AND METHOD OF MAINTAINING SHARPNESS OF NEEDLE
    Publication number: 20180280585
    Abstract: Disclosed is a medical needle used for performing a piercing or insertion operation on an object repetitively, the medical needle comprising a needle body and a metallic glass material layer formed on a surface of the needle body, the metallic glass material layer comprising an alloy consisting of aluminum, zirconium, copper and tantalum. With the presence of the metallic glass material layer covering the needle body, the medical needle may maintain its sharpness after having performed multiple piercing or insertion operations to enhance durability, minimize the increase of maximum piercing or insertion force resulted from piercing or insertion operations, and decrease injury to the object caused by piercing or insertion operations.
    Type: Application
    Filed: January 18, 2018
    Publication date: October 4, 2018
    Inventors: Jinn P. CHU, Guei-Huang JIANG, Shih-Hsin CHANG, Ming-Jen CHEN