Method and apparatus for pacing during revascularization
First Claim
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1. A system for placing a stent in a patient having a heart, the system comprising:
- a catheter including a proximal end portion, a distal end portion, and an elongate body extending therebetween, wherein the distal end portion includes an adjustable balloon fbr delivering the stent;
one or more pacing electrodes configured to deliver pacing pulses to the heart; and
a pacemaker configured to generate the pacing pulses to be delivered to the heart via the one or more pacing electrodes, wherein the pacing pulses are delivered at a rate substantially higher than the patient'"'"'s intrinsic heart rate without being synchronized to the patient'"'"'s intrinsic cardiac contractions and are delivered before, during, or after an ischemic event to prevent or reduce cardiac injury.
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Abstract
A system for use during revascularization includes a catheter having an adjustable balloon for delivery a stent, one or more pacing electrodes for delivering one or more pacing pulses to a patient'"'"'s heart, and a pacemaker configured to generate the one or more pacing pulses to be delivered to the heart via the one or more pacing electrodes. The one or more pacing pulses are delivered at a rate substantially higher than the patient'"'"'s intrinsic heart rate without being synchronized to the patient'"'"'s intrinsic cardiac contractions, and are delivered before, during, or after an ischemic event to prevent or reduce cardiac injury.
1037 Citations
20 Claims
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1. A system for placing a stent in a patient having a heart, the system comprising:
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a catheter including a proximal end portion, a distal end portion, and an elongate body extending therebetween, wherein the distal end portion includes an adjustable balloon fbr delivering the stent; one or more pacing electrodes configured to deliver pacing pulses to the heart; and a pacemaker configured to generate the pacing pulses to be delivered to the heart via the one or more pacing electrodes, wherein the pacing pulses are delivered at a rate substantially higher than the patient'"'"'s intrinsic heart rate without being synchronized to the patient'"'"'s intrinsic cardiac contractions and are delivered before, during, or after an ischemic event to prevent or reduce cardiac injury. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for delivering cardiac pacing to a patient, the method comprising:
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delivering a stent using a catheter including a stent delivery system causing an ischemic event in a patient; and pacing the heart of the patient before, during, or after the ischemic event in a manner such that pacing pulses are delivered at a rate substantially higher than the patient'"'"'s intrinsic heart rate without being synchronized to the patient'"'"'s intrinsic cardiac contractions. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A system comprising:
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a stent; a catheter including a proximal end portion, a distal end portion, and an elongate body extending therebetween, wherein the distal end portion includes an adjustable balloon for delivering the stent; one or more pacing electrodes configured to deliver pacing pulses to a heart of a patient; and a pacemaker configured to generate the pacing pulses to be delivered to the heart via the one or more pacing electrodes, wherein the pacing pulses are delivered at a rate substantially higher than the patient'"'"'s intrinsic heart rate without being synchronized to the patient'"'"'s intrinsic cardiac contractions. - View Dependent Claims (17, 18, 19, 20)
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Specification