Patents by Inventor James L. Janowski

James L. Janowski 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: 6575891
    Abstract: An afterloader for safely and rapidly advancing a flexible ribbon with a radioactive source (42) through a lumen of a catheter within a patient includes a containment vessel (12), a ribbon extension stop, a ribbon retraction stop, emergency ribbon retraction, ribbon drive mechanism, slip clutch (18), ribbon position indicator (30), security lock mechanism (32), ribbon brake (22), and other novel features.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: June 10, 2003
    Assignee: Cordis Corporation
    Inventors: Astor S. Castelo, James L. Janowski, Martin H. Singer, Jeffrey L. Wilkinson