Patents by Inventor John B. McCraw

John B. McCraw 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).

  • Patent number: 7182758
    Abstract: An apparatus for drainage of a wound or surgical site of a human or animal fits anatomically, passes from inside the wound or surgical site percutaneously or covering an open wound surface and extends externally for accumulation of fluids. A plurality of fibers each with an internal end, middle and an external end is elongate with a thickness and a length wherein its thickness is substantially less than its length for flexibility. The fibers form a loose bundle with gathered external ends and with internal ends unrestrained for spreading divergently inside the wound or surgical site. A collector is positioned in fluid communication with the gathered external ends for accumulating bodily fluid guided along and amongst the fibers from the internal ends along the middle and to the external ends during drainage. Vacuum connects to draw fluid from the collector. A method has steps of providing fibers with the internal ends unrestrained, the external ends gathered in a collector to accumulate drained fluid.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: February 27, 2007
    Inventor: John B. McCraw