Patents by Inventor Tom R. DeMeester

Tom R. DeMeester 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 esophageal invagination and devices useful therein
    Patent number: 5088979
    Abstract: A technique for invaginating the esophagus at the gastroesophageal junction is disclosed, as well as an invagination device useful in the described technique. The invagination device includes an introducer guide which has an outside diameter approximating that of the esophagus and a plurality of needle-receiving lumens extending to its outer diametric surface. The invagination device also has an engagement assembly which includes 10 needles, each having a retracted position in which they lie within the needle-receiving lumens of the introducer guide, and an extended position in which they extend out of the lumens and project radially from the guide for engagement with the esophagus at the gastroesophageal junction.
    Type: Grant
    Filed: November 2, 1990
    Date of Patent: February 18, 1992
    Assignee: Wilson-Cook Medical Inc.
    Inventors: Charles J. Filipi, Tom R. DeMeester, Rebecca C. Gibbs, Ronald A. Hinder