Patents by Inventor HongHoa Cao

HongHoa Cao 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).

  • Slit tip ventricular catheter
    Patent number: 6871740
    Abstract: A ventricular catheter of the type having a slit in the distal end to permit the passage of a stylet or endoscope is disclosed. The catheter is packaged with a film tab inserted into the slit to prevent the edges of the slit from knitting or adhering to each other upon sterilization or storage.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: March 29, 2005
    Assignee: Codman & Shurtleff, Inc
    Inventor: HongHoa Cao