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Imaging of internal structures of living bodies by sensing implanted magnetic devices

  • US 6,230,038 B1
  • Filed: 02/01/1999
  • Issued: 05/08/2001
  • Est. Priority Date: 02/01/1999
  • Status: Expired due to Term
First Claim
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1. A method of determining the location of an internal structure of a living body comprising the steps of:

  • a) implanting, at said internal structure, an element comprising a magnetic material to identify a selected location of said internal structure, said element being capable of emitting a magnetic signal in response to an applied magnetic field, b) irradiating said element with an applied magnetic field, c) detecting said magnetic signal from a plurality of selected mutually displaced positions to produce a corresponding plurality of element-locating signals, and d) converting said element-locating signals to a location image of said internal structure.

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