Patents by Inventor Douglas E. Mattox

Douglas E. Mattox 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: 5628733
    Abstract: A surgical drain for draining wounds is disclosed. The drain has a tube-like body forming a lumen. The body of the drain includes a plurality of perforations therein. The drain also has a plunger for removing debris from the lumen and perforations of the drain. The plunger has a scraper, a line and a handle. The scraper of the plunger is generally located in the lumen of the body. The handle of the plunger is generally located so as to be accessible to a user. The line of the plunger generally extends through the lumen and connects the scraper and handle. The drain may have more than one plunger.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: May 13, 1997
    Assignee: IZI Corporation
    Inventors: S. James Zinreich, Eva S. Zinreich, Douglas E. Mattox