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Body surface position locator for ultrasound transducer

  • US 5,619,999 A
  • Filed: 12/28/1995
  • Issued: 04/15/1997
  • Est. Priority Date: 12/28/1995
  • Status: Expired due to Term
First Claim
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1. An imaging system, comprising:

  • a position location array adapted to be affixed to a surface layer of an imaging subject, said position location array comprising a plurality of electrodes disposed in a grid pattern within a flexible substrate;

    a transducer having at least one element operable to provide an acoustic pulse through said position location array and said surface layer in response to a driving signal and to provide a corresponding return signal in response thereto;

    a receiver coupled to said transducer to receive said return signal from said at least one element and provide a beamformed signal; and

    processor means coupled to said receiver and said position location array for forming an image from said beamformed signal that includes position coordinates that correspond to an intersection between said acoustic pulse and associated ones of said plurality of electrodes.

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