Method and apparatus for delivering pacing pulses using a coronary stent
First Claim
1. A cardiac pacing system, comprising:
- an implantable pulse generator including;
a pulse output circuit adapted to deliver pacing pulses; and
a control circuit coupled to the pulse output circuit and including a cardiac protection pacing timer adapted to time one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which the delivery of the pacing pulses is controlled according to a programmed pacing mode, the non-pacing periods each having a non-pacing duration during which none of the pacing pulses is delivered;
a coronary stent including at least one electrode portion suitable for delivering the pacing pulses; and
an intravascular lead configured to be coupled between the implantable pulse generator and the coronary stent to provide for electrical connection between the at least one electrode portion and the pulse output circuit to allow the pacing pulses to be delivered to the at least one electrode portion.
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Accused Products
Abstract
An implantable cardiac protection pacing system delivers pacing pulses to protect the heart from injuries associated with ischemia and myocardial infarction. The system includes an implantable pulse generator (PG) that delivers the pacing pulses and a coronary stent electrically connected to the implantable PG to function as a pacing electrode through which the pacing pulses are delivered. In one embodiment, an intravascular lead provides the electrical connection between the coronary stent and the implantable PG to allow the implantable PG to be implanted in the femoral region. In another embodiment, the coronary stent and the implantable PG are integrated into an intravascular pulse generator-stent.
191 Citations
25 Claims
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1. A cardiac pacing system, comprising:
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an implantable pulse generator including; a pulse output circuit adapted to deliver pacing pulses; and a control circuit coupled to the pulse output circuit and including a cardiac protection pacing timer adapted to time one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which the delivery of the pacing pulses is controlled according to a programmed pacing mode, the non-pacing periods each having a non-pacing duration during which none of the pacing pulses is delivered; a coronary stent including at least one electrode portion suitable for delivering the pacing pulses; and an intravascular lead configured to be coupled between the implantable pulse generator and the coronary stent to provide for electrical connection between the at least one electrode portion and the pulse output circuit to allow the pacing pulses to be delivered to the at least one electrode portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A cardiac pacing system, comprising:
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an implantable pulse generator configured for subcutaneous placement, the implantable pulse generator including; a control circuit including a cardiac protection pacing timer adapted to time one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered, the non-pacing periods each having a non-pacing duration during which no pacing pulse is delivered; and a pulse output circuit, coupled to the control circuit, to deliver the plurality of pacing pulses during each of the pacing periods; a coronary stent including at least one electrode portion electrically connected to the pulse output circuit for delivering the plurality of pacing pulses during the each of the pacing periods; and an intravascular lead providing for the electrical connection between the at least one electrode portion of the coronary stent and the pulse output circuit of the implantable pulse generator, the lead having a length in a range of approximately 30 centimeters to 120 centimeters and a diameter in a range of approximately 0.125 millimeters to 1 millimeter and including at least a portion coated with an anti-coagulative agent. - View Dependent Claims (12, 13, 14)
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15. A method for operating a pacing system, comprising:
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timing one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered from an implantable pulse generator, the non-pacing periods each having a non-pacing duration during which no pacing pulses is delivered from the implantable pulse generator; and delivering the plurality of pacing pulses to a coronary stent through an intravascular lead during each of the pacing periods, the coronary stent including at least one electrode portion electrically coupled to the implantable pulse generator and functioning as a pacing electrode. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification