Patents by Inventor Michael Keymling

Michael Keymling 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).

  • Gastric/duodenal/jejunal catheter for percutaneous enternal feeding
    Patent number: 5009639
    Abstract: A gastral/duodenal/jejunal catheter comprising a pair of catheter hoses, a balloon through which the hoses pass and a slidable disk, slidable around both of said hoses locatable between the balloon and the proximal ends of the hoses. The balloon, when inflated, is substantially ellipsoid in shape, having a short axis substantially coaxial with the longitudinal axis of the catheter hoses and is filled with an elastic compressible foam filling which is substantially collapsible upon extraction of air from the balloon.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: April 23, 1991
    Assignee: Fresenius, AG
    Inventor: Michael Keymling