Patents by Inventor Clarence J. Gdowski

Clarence J. Gdowski 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).

  • Peritoneal catheter
    Patent number: 5098413
    Abstract: A peritoneal catheter for introducing and withdrawing fluid from an abdominal cavity which catheter has a plurality of ingress and egress ports spaced about the circumference and along the length of the intra-abdominal portion, which ports are arranged to decrease in size from the proximal to the distal end and, further which has a body portion formed into at least a one-half turn. The catheter tubing and the ports therein are coated with Ultra-low Temperature Isotropic carbon.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: March 24, 1992
    Assignee: Sil-Med Corporation
    Inventors: Leonard A. Trudell, Clarence J. Gdowski