Apparatus and method for ventricular pacing triggered by detection of early excitation
First Claim
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1. A cardiac rhythm management device, comprising:
- at least one sensor configured to sense the depolarizations of the heart;
a processor receiving data from the sensor, wherein the processor identifies an early electrical event from the data; and
a pulse generator configured to provide a pacing stimulus to at least one ventricle in timed relation to the identified event.
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Abstract
A pacing apparatus and method for providing optimum timing for ventricular pacing without referencing atrial activities. The pacing apparatus includes a processor, at least one sensor and a pulse generator. The pacing method includes the sensing of ventricular depolarization and the identification of an early electrical event, such as a depolarization of the HIS bundle or an onset of a ventricular depolarization (Q*). The system derives the proper timing using this early electrical event which provides a predictable relationship with an optimal ventricular pacing signal.
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Citations
28 Claims
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1. A cardiac rhythm management device, comprising:
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at least one sensor configured to sense the depolarizations of the heart;
a processor receiving data from the sensor, wherein the processor identifies an early electrical event from the data; and
a pulse generator configured to provide a pacing stimulus to at least one ventricle in timed relation to the identified event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A cardiac rhythm management device comprising:
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(a) means for detecting depolarization signals propagating along the HIS bundle; and
(b) means for providing a pacing stimulus to the heart in timed relation to a detected depolarization signal propagating along the HIS bundle
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17. A cardiac rhythm management device, comprising:
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a means for detecting the depolarization of the ventricles;
a means for identifying an onset of the depolarization (Q* event); and
a means for providing a pacing stimulus to the heart in timed relation to the identified Q* event.
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18. A method for triggered ventricular pacing, comprising:
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sensing the depolarization of one of the ventricles and the HIS bundle;
identifying an early electrical event in a sensed depolarization waveform; and
triggering a pacing stimulus to one or both ventricles in timed relation to the identified event. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification