Patents by Inventor Patrick W. Coleman

Patrick W. Coleman 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).

  • Laser resistant ventilating device
    Patent number: 5040531
    Abstract: A liquid-filled sealing cuff of a surgical ventilating device is protected from laser-effected damage during laser surgery by a liquid-containing barrier cuff positioned between an area of the laser surgery and the liquid-filled sealing cuff. The body of the surgical ventilating device is formed of a matte-finished flexible metal tube in the area of the laser surgery to resist damage by laser beam impact and to disperse highly unfocused light when a surgical laser beam is directed against the outer surface of the metal tube.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: August 20, 1991
    Assignee: Mallinckrodt Medical, Inc.
    Inventors: Patrick W. Coleman, Craig J. Bell, Frank Cavataio
  • Laser resistant ventilating device
    Patent number: 4834087
    Abstract: A liquid-filled sealing cuff of a surgical ventilating device is protected from laser-effected damage during laser surgery by a liquid-containing barrier cuff positioned between an area of the laser surgery and the liquid-filled sealing cuff. The body of the surgical ventilating device is formed of a matte-finished flexible metal tube in the area of the laser surgery to resist damage by laser beam impact and to disperse highly unfocused light when a surgical laser beam is directed against the outer surface of the metal tube.
    Type: Grant
    Filed: February 2, 1987
    Date of Patent: May 30, 1989
    Assignee: Mallinckrodt, Inc.
    Inventors: Patrick W. Coleman, Craig J. Bell, Frank Cavataio