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Pressure-sensing intravascular devices, systems, and methods

  • US 9,750,418 B2
  • Filed: 12/18/2013
  • Issued: 09/05/2017
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
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1. An intravascular sensor assembly comprising:

  • a flexible elongate member;

    a core member disposed inside the flexible elongate member;

    an electrical conductor extending along the core member; and

    an elongated substrate disposed distal to the core member and inside the flexible elongate member, the elongated substrate comprising;

    a plurality of electrodes disposed within the elongated substrate and extending through the elongated substrate in a longitudinal direction, the plurality of electrodes being uniformly distributed around a longitudinal axis (LA) of the elongated substrate, wherein the electrical conductor is coupled to at least one electrode; and

    a sensor circuit disposed on a distal surface of the elongated substrate, the sensor circuit coupled to at least one electrode, wherein the sensor circuit comprises an intravascular pressure sensor circuit.

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