Patents by Inventor Craig Duff

Craig Duff 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).

  • Insert for a conduit
    Publication number: 20080114448
    Abstract: There is disclosed an insert (2) for a conduit (4) adapted to effect helical flow in the conduit (4) comprising a longitudinally extending member having a helical formation.
    Type: Application
    Filed: January 17, 2008
    Publication date: May 15, 2008
    Inventors: John Houston, Peter Stonebridge, John Dick, Robert Hood, Allana Johnstone, Christophe Sarran, Craig Duff
  • Drug Delivery Device
    Publication number: 20070270939
    Abstract: A drug delivery device (1) is disclosed. The device comprises a vascular implant having a helical formation (4) that is capable of inducing helical flow of blood passing it. A drug is releasably associated with the helical formation.
    Type: Application
    Filed: February 4, 2005
    Publication date: November 22, 2007
    Applicant: TAYSIDE FLOW TECHNOLOGIES LTD.
    Inventors: Robert Hood, Craig Duff
  • Tubular Conduit
    Publication number: 20070204445
    Abstract: A tubular conduit (1) is disclosed. The tubular conduit comprises a tubular portion made from a flexible material and an axially extending external helical formation (16) located around the outside of the tubular portion. The external helical formation (16) is for supporting the tubular portion. Optionally the tubular portion also comprises an axially extending internal helical protrusion (15), which imparts a helical flow to a fluid passing through the tubular portion. It is preferred that the tubular conduit (1) is a vascular graft.
    Type: Application
    Filed: March 23, 2005
    Publication date: September 6, 2007
    Applicant: TAYSIDE FLOW TECHNOLOGIES LTD.
    Inventors: Robert Hood, Craig Duff
  • Tubular Graft
    Publication number: 20070129783
    Abstract: A tubular graft comprising an internal helical formation which imparts helical flow on fluid passing through the tubular graft. One end of the tubular graft is tapered from an inner base to an outer tip.
    Type: Application
    Filed: September 5, 2006
    Publication date: June 7, 2007
    Applicant: TAYSIDE FLOW TECHNOLOGIES LTD.
    Inventors: Robert Hood, Craig Duff
  • Helical formation for a conduit
    Publication number: 20050061380
    Abstract: A helical formation (2) for a conduit (1). The helical formation (2) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending portions (6, 7). The inwardly extending portions (6, 7) are spaced from each other and extend along the length of the elongate member in side-by-side relationship.
    Type: Application
    Filed: November 21, 2002
    Publication date: March 24, 2005
    Inventors: John Houston, Robert Hood, John Dick, Craig Duff, Allana Johnstone, Christophe Sarran, Peter Stonebridge