Patents by Inventor David M. Cumes

David M. Cumes 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).

  • Medical irrigation device
    Patent number: 4880408
    Abstract: A medical irrigation device which enables the introduction of a sterile fluid ito a urinary bladder and thereafter the withdrawal of the fluid containing particulate matter such as prestatic tissue, blood clots and stones is provided. The device enables the reintroduction into the bladder of the withdrawn fluid relatively free of particulate matter.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: November 14, 1989
    Inventors: David M. Cumes, Terence C. Honikman