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    Magnetic targeting device

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    7753913.pdf (1.530Mb)
    Downloads: 85
    Publication Date
    2010-07-13
    Filing Date
    2003-10-03
    Inventor
    Durham, Alfred A.
    Wicks, Alfred L.
    Stitzel, Joel D.
    Szakelyhidi, Jr., David C.
    Cardinali, Alex V.
    Metadata
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    Abstract
    A device and method for targeting objects and specifically for locating intramedullary screw openings is described. The device and method include a target magnet and a sensor comprising an elliptical array of magnetoresistive elements, designed to give information on the three-dimensional orientation of the magnet. The sensor array is designed such that each magnetoresistive element is a member of an opposing pair and relays information on their alignment with the target magnet. The array is connected to a display such that the position of the sensor in relation to the target magnet is easily discerned. The invention is lightweight and portable, capable of operating on batteries and can be used in primitive situations where a stable supply of electricity is not available.
    Assignee
    Virginia Polytechnic Institute and State University
    Patent Number
    7753913
    Application Number
    10679166
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/13/539/077/0.pdf
    Primary/U.S. Class
    606/96
    Other/U.S. Class
    CPC Class
    A61B5/06
    A61B5/4504
    A61B17/1707
    A61B17/1725
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72640
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