Patents by Inventor Robert Macnair

Robert Macnair 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).

  • Heat transfer devices
    Patent number: 7156868
    Abstract: A catheter having a heat transfer device at or near its distal end, wherein the heat transfer device is layered or coated onto or into the catheter wall is described. The heat transfer device is preferably a flexible film having one or more electrical resistor flow paths thereon or therethrough, or is disposed directly onto the catheter wall by a deposition process. The heat transfer device may alternatively be formed by a length of the catheter wall being formed wholly, substantially of partly from doped material able to act as a heat transfer device upon application of power therethrough. The heat transfer device is preferably powered by one or more metal wires co-extruded within the catheter body.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: January 2, 2007
    Assignee: Omega Critical Care Limited
    Inventors: Aws Nashef, Ted Vander Wiede, Robert Macnair, Stephen Wilson, Simon Andrews