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Electromedical lead with pressure sensor

  • US 4,967,755 A
  • Filed: 02/28/1989
  • Issued: 11/06/1990
  • Est. Priority Date: 02/28/1989
  • Status: Expired due to Term
First Claim
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1. A medical electrical lead, comprising:

  • a conductive sensor body, having an exterior surface exposed to the exterior of said lead, said sensor body having a proximal end and a distal end and having a lumen extending from said proximal end to said distal end, said sensor body including a chamber, isolated from said lumen;

    an elongated conductor, extending through said lumen of said sensor body, and extending body proximally and distally from said sensor body, said elongated conductor itself having an internal, longitudinally extending lumen;

    insulator means mounted within said lumen of said sensor body for insulating said elongated conductor from said sensor body;

    sensor means for sensing a physiologic parameter, mounted within said chamber of said sensor body, said sensor body further comprising an aperture through said exterior surface of said sensor body, through which said sensor means senses said physiologic parameter;

    first and second conductor means, for providing electrical communication to said sensor means, extending proximally from said sensor body, one of said conductor means electrically coupled to said sensor body, the other of said conductor means coupled to said sensor means, insulated from said sensor body; and

    an electrode, coupled to said elongated conductor.

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