Active housing dual lead assembly
First Claim
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1. A method of terminating a cardiac arrhythmia in a patient comprising delivering an electrical stimulus between a first implanted electrode disposed on a canister implanted in the patient and at least one of second and third implanted electrodes also implanted in the patient wherein:
- the canister houses circuitry for generating and controlling delivery of the electrical stimulus;
each of the first, second and third implanted electrodes is disposed at a subcutaneous location over the patient'"'"'s ribcage;
the second implanted electrode is disposed in a substantially vertical position over the patient'"'"'s heart parallel to and, adjacent the sternum;
the third implanted electrode is disposed in a substantially vertical position, parallel to the sternum and left of the second implanted electrode; and
the canister is disposed superior to the second and third implanted electrodes.
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Accused Products
Abstract
A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the patient'"'"'s heart.
107 Citations
22 Claims
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1. A method of terminating a cardiac arrhythmia in a patient comprising delivering an electrical stimulus between a first implanted electrode disposed on a canister implanted in the patient and at least one of second and third implanted electrodes also implanted in the patient wherein:
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the canister houses circuitry for generating and controlling delivery of the electrical stimulus; each of the first, second and third implanted electrodes is disposed at a subcutaneous location over the patient'"'"'s ribcage; the second implanted electrode is disposed in a substantially vertical position over the patient'"'"'s heart parallel to and, adjacent the sternum; the third implanted electrode is disposed in a substantially vertical position, parallel to the sternum and left of the second implanted electrode; and the canister is disposed superior to the second and third implanted electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of terminating a cardiac arrhythmia in a patient comprising delivering an electrical stimulus between a first implanted electrode disposed on a canister implanted in a patient and at least one of second and third implanted electrodes also implanted in the patient, wherein:
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the canister houses circuitry for generating and controlling delivery of the electrical stimulus; each of the first, second and third implanted electrodes is disposed at a subcutaneous location over the patient'"'"'s ribcage; the canister is disposed on the left side of the patient'"'"'s ribcage under the arm; the second implanted electrode is disposed in a substantially horizontal position near the top of the heart, perpendicular to the sternum, and over the left side of the patient'"'"'s ribcage; and the third implanted electrode is disposed in a substantially horizontal position near the bottom of the heart, perpendicular to the sternum, inferior to the second implanted electrode and over the left side of the patient'"'"'s ribcage. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of terminating a cardiac arrhythmia in a patient comprising delivering an electrical stimulus between a first implanted electrode disposed on a canister implanted in a patient and at least one of second and third implanted electrodes also implanted in the patient wherein:
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the canister houses circuitry for generating and controlling delivery of the electrical stimulus; each of the first, second and third implanted electrodes is disposed at a subcutaneous location over the patient'"'"'s ribcage; the canister is disposed at about the patient'"'"'s left inframammary crease; the second implanted electrode is disposed in a substantially vertical position, parallel and adjacent the sternum; and the third implanted electrode is disposed in a substantially vertical position, parallel to the sternum and to the left of the second implanted electrode. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method of treating a patient comprising:
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providing an implantable cardioverter defibrillator system comprising;
a canister housing circuitry for generating and controlling delivery of cardiac stimulus, the canister including a canister implanted electrode disposed thereon;
a first lead assembly coupled to the canister and having a first implanted electrode; and
a second lead assembly coupled to the canister and having a second implanted electrode;
wherein the circuitry in the canister is configured to selectively deliver cardiac stimulus using a selected one of the following configurations;
canister implanted electrode and first implanted electrode only;
canister implanted electrode and second implanted electrode only; and
canister implanted electrode and, cooperatively coupled together, second and third implanted electrodes; andimplanting the system into a patient such that each of the canister and implanted electrodes are disposed subcutaneously over the patient'"'"'s ribcage;
wherein;the implanting step is performed such that the canister is disposed near to and inferior of the clavicle, the first implanted electrode is disposed in a substantially vertical position, parallel and adjacent to the sternum, and the second implanted electrode is disposed in a substantially vertical position, parallel to the sternum and to the left of the second implanted electrode, with the canister being superior to each of the first and second implanted electrodes.
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21. A method of treating a patient comprising:
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providing an implantable cardioverter defibrillator system comprising;
a canister housing circuitry for generating and controlling delivery of cardiac stimulus, the canister including a canister implanted electrode disposed thereon;
a first lead assembly coupled to the canister and having a first implanted electrode; and
a second lead assembly coupled to the canister and having a second implanted electrode;
wherein the circuitry in the canister is configured to selectively deliver cardiac stimulus using a selected one of the following configurations;
canister implanted electrode and first implanted electrode only;
canister implanted electrode and second implanted electrode only; and
canister implanted electrode and, cooperatively coupled together, second and third implanted electrodes; andimplanting the system into a patient such that each of the canister and implanted electrodes are disposed subcutaneously over the patient'"'"'s ribcage;
wherein;the implanting step is performed such that the canister is disposed over the left side of the patient'"'"'s ribcage and under the patient'"'"'s arm, the first implanted electrode is disposed in a substantially horizontal position near the top of the heart and perpendicular to the sternum, and the second implanted electrode is disposed in a substantially horizontal position near the bottom of the heart, perpendicular to the sternum, and inferior to the first implanted electrode.
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22. A method of treating a patient comprising:
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providing an implantable cardioverter defibrillator system comprising;
a canister housing circuitry for generating and controlling delivery of cardiac stimulus, the canister including a canister implanted electrode disposed thereon;
a first lead assembly coupled to the canister and having a second implanted electrode; and
a second lead assembly coupled to the canister and having a second implanted electrode;
wherein the circuitry in the canister is configured to selectively deliver cardiac stimulus using a selected one of the following configurations;
canister implanted electrode and first implanted electrode only;
canister implanted electrode and second implanted electrode only; and
canister implanted electrode and, cooperatively coupled together, second and third implanted electrodes; andimplanting the system into a patient such that each of the canister and implanted electrodes are disposed subcutaneously over the patient'"'"'s ribcage;
wherein;the implanting step is performed such that the canister is disposed generally at the patient'"'"'s inframammary crease, the first implanted electrode is disposed in a substantially vertical position, parallel and adjacent to the sternum, and the second implanted electrode is disposed in a substantially vertical position, parallel to the sternum and to the left of the first implanted electrode.
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Specification