Patents by Inventor Ludwig F. Kroner

Ludwig F. Kroner 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: 5607405
    Abstract: Apparatus for surgical insertion of medical apparatus such as a drain into a patient is disclosed. The apparatus includes a trocar with a pierceable sheath covering the forward point, a handle removably affixed to the rear end, and a notch formed on the trocar Just behind the point. The notch facilitates gripping of the trocar with a tool during removal of the trocar from the patient's body. Optionally, a kit including the insertion apparatus is further provided with a suitable such tool. In a preferred embodiment, the tool is configured as a protective case handle which can be affixed by means of the engagement structure to enclose the trocar point. The case handle both aids in removal of the trocar, and protects personnel handling the trocar during the procedure and during subsequent disposal of the trocar.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: March 4, 1997
    Inventors: Rand A. Decker, Ludwig F. Kroner