Patents by Inventor David R. Hewitt

David R. Hewitt 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).

  • Shapeable retrieval device and method of using
    Patent number: 8652146
    Abstract: A retrieval device with a shapeable snare shaft for use in minimally invasive medical procedures. The retrieval device may further comprise a delivery conduit configured to receive both a snare shaft and a guidewire in one or more lumens. The retrieval device may also include a snare loop at both ends of the snare shaft.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: February 18, 2014
    Assignee: Merit Medical Systems, Inc.
    Inventors: David R. Hewitt, Ted J. Prukop, James D. Segermark
  • MULTIPLE LUMEN RETRIEVAL DEVICE AND METHOD OF USING
    Publication number: 20120289971
    Abstract: A retrieval device with multiple internal lumens and one or more balloons is disclosed. The balloons may be utilized to stabilize the retrieval device during therapy and to prevent migration of the device, or material within a body lumen, during therapy.
    Type: Application
    Filed: May 11, 2011
    Publication date: November 15, 2012
    Applicant: MERIT MEDICAL SYSTEMS, INC.
    Inventors: James D. Segermark, David R. Hewitt
  • SHAPEABLE RETRIEVAL DEVICE AND METHOD OF USING
    Publication number: 20120029526
    Abstract: A retrieval device with a shapeable snare shaft for use in minimally invasive medical procedures. The retrieval device may further comprise a delivery conduit configured to receive both a snare shaft and a guidewire in one or more lumens. The retrieval device may also include a snare loop at both ends of the snare shaft.
    Type: Application
    Filed: January 26, 2011
    Publication date: February 2, 2012
    Applicant: MERIT MEDICAL SYSTEMS, INC.
    Inventors: David R. Hewitt, Ted J. Prukop, James D. Segermark