Patents by Inventor Cary D. Carruthers

Cary D. Carruthers 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).

  • Suction catheter
    Patent number: 5073164
    Abstract: A suction catheter includes a multilumen catheter tube that contains a primary lumen for removing undesirable fluid from a patient upon application of a vacuum, and a secondary lumen contiguous with the primary lumen suitable for providing liquid to the interior of the primary lumen and to a patient; means for providing liquid to the interior of the secondary lumen; a patient connecting member; a vacuum connecting member; and a protective sleeve extending between the patient connecting member and the vacuum connecting member.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: December 17, 1991
    Inventors: William H. Hollister, Craig J. Bell, Cary D. Carruthers
  • Face mask
    Patent number: D323908
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: February 11, 1992
    Assignee: Smith Industries Medical Systems, Inc.
    Inventors: William H. Hollister, Cary D. Carruthers