Patents by Inventor Peter H. Wettermann

Peter H. Wettermann 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).

  • Laparoscopic cholangiogram catheter and method of using same
    Patent number: 5183470
    Abstract: A cholangiogram catheter for use in a laparoscopic cholecystectomy has a rigid tubular outer sheath dimensioned to slide within an associated trocar sleeve, and an outer tubular catheter is slidably seated within the outer sheath with its distal end portion formed into a 90.degree. bend and is resiliently deflectable for withdrawal into the sheath. A flexible inner tubular catheter is readily slidable within the outer catheter and is longitudinally dimensioned to extend outwardly of both ends of the outer catheter. The distal end of the inner catheter has a closed tip and a discharge aperture along its side adjacent the tip. Luer connectors are attached to the proximal ends of the several elements.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: February 2, 1993
    Assignee: International Medical, Inc.
    Inventor: Peter H. Wettermann
  • Bipolar electrical surgical generator
    Patent number: D250480
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: December 5, 1978
    Assignee: Richard Wolf Medical Instruments Corporation
    Inventors: Ludwig A. Wettermann, Peter H. Wettermann