LEADLESS CARDIAC STIMULATION SYSTEMS
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Abstract
Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart includes wireless pacing electrode assemblies that are implantable at sites proximate the myocardium using a percutaneous, transluminal, catheter delivery system. Also disclosed are various configurations of such systems, wireless electrode assemblies, and delivery catheters for delivering and implanting the electrode assemblies.
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Citations
21 Claims
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1. (canceled)
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2. A leadless pacing device comprising:
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an main body including two electrodes configured to deliver electrical stimulation to a heart; and a plurality of tines coupled to the main body that are configured to engage the heart, the plurality of tines configured to self-bias into a hooked or curled configuration. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system, comprising:
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a leadless pacing seed including a main body including two electrodes configured to deliver electrical stimulation to the heart, the leadless pacing seed including a plurality of tines coupled to the main body that are configured to engage the heart; a delivery catheter, wherein the leadless pacing seed is configured to be positioned within the delivery catheter during delivery to the heart, wherein the plurality of tines include a longitudinal configuration during delivery and a hooked or curled configuration when implanted. - View Dependent Claims (13, 14, 15, 16)
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17. A leadless pacing device comprising:
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a main body, the main body including a plurality of electrodes configured to deliver an electrical pulse to a heart wall; and a plurality of tines configured to secure the main body the heart wall, the plurality of tines biased to extend in a curled or hooked configuration, wherein the leadless pacing device is attached to the heart so that a threshold amount of pull force is required to remove the seed from the heart wall. - View Dependent Claims (18, 19, 20, 21)
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Specification