Patents by Inventor Norma Metheny

Norma Metheny 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).

  • Method for determining feeding the tube location
    Patent number: 5891054
    Abstract: A method for determining the position of an in vivo feeding tube. The method includes the step of sampling a bodily fluid from the distal end of an in vivo medical device. A concentration of one or more substances selected from a group consisting of bilirubin, pepsin, and trypsin contained within the bodily fluid is then identified. The position of the medical device is then determined using the concentration of the one or more substances in the sampled bodily fluid.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: April 6, 1999
    Assignee: Saint Louis University
    Inventors: Norma Metheny, Lisa Reed Smith, Barbara Stewart