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Leads for implantable medical device that affects pressures within the intrathoracic cavity through diaphragmatic stimulation

  • US 10,369,361 B2
  • Filed: 04/26/2017
  • Issued: 08/06/2019
  • Est. Priority Date: 04/29/2016
  • Status: Active Grant
First Claim
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1. A lead configured for implant on a surface of a biological membrane forming part of a hermetically sealed biological cavity, the lead comprising:

  • a sensor assembly at a distal end of the lead, and comprising;

    a housing having a first end surface and a second end surface opposite the first end surface;

    a sensor structure associated with the first end surface, and comprising at least one sensor; and

    at least one fixation structure associated with the first end surface and comprising a projecting structure that extends away from the first end surface of the housing, and configured to preserve the hermetic integrity of the biological cavity after implant of the lead;

    a connector at a proximal end of the lead, and comprising at least one conductor pin; and

    a lead body extending between the sensor assembly and the connector, and comprising at least one conductor that electrically couples the at least one sensor to the at least one conductor pin,wherein the projecting structure comprises a wire and at least a portion of the wire is configured to actively transition from a first state, wherein the portion of the wire has a first diameter, and a second state, wherein the portion of the wire has a second diameter greater than the first diameter.

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