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Leadless cardiac stimulation device employing distributed logic

  • US 9,889,312 B2
  • Filed: 08/04/2014
  • Issued: 02/13/2018
  • Est. Priority Date: 12/16/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a co-implantable Implantable Cardiac Stimulation Device (ICSD) configured to be implanted in a patient and for delivering cardiac stimulation to the patient'"'"'s heart via two or more electrodes of the ICSD, the ICSD being free of any leads extending into the patient'"'"'s heart;

    a co-implanted leadless cardiac stimulation device, comprising;

    a housing configured for placement within the patient'"'"'s heart;

    a fixation arrangement supported by the housing and configured to affix the housing at an implant location on an inner wall of the patient'"'"'s heart;

    an electrode arrangement supported by the housing and configured to sense cardiac activity and deliver stimulation energy to the patient'"'"'s heart from within the patient'"'"'s heart;

    energy delivery circuitry provided in the housing and operatively coupled to the electrode arrangement;

    detection circuitry provided in the housing and operatively coupled to the electrode arrangement; and

    circuitry provided in the housing and operatively coupled to the energy delivery circuitry and detection circuitry to coordinate cardiac sensing and/or energy delivery of the leadless cardiac stimulation device from within the patient'"'"'s heart, the circuitry further configured to communicate with the co-implantable ICSD and to work in conjunction with the co-implantable ICSD to delivery therapy to the patient'"'"'s heart, the circuitry is further configured to be able to deliver therapy to the patient'"'"'s heart even in the absence of pacing pulse trigger signals.

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