Endocardial defibrillation lead with looped cable conductor
First Claim
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1. An endocardial lead comprising:
- an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end, a portion of the conductor between the first end and the second end folded over to form a loop in the conductor; and
where the first end and the second end are disposed at the proximal end of the lead body.
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Abstract
An implantable endocardial defibrillation lead having a looped cable conductor for conducting at least high voltage defibrillation shocks. A coil electrode is connected to an elongated, flexible, electrically non-conductive lead body and is supplied with electrical power for delivering electrical shocks to the heart through a looped cable conductor that extends through the lead body and is associated with a power source.
42 Citations
18 Claims
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1. An endocardial lead comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end, a portion of the conductor between the first end and the second end folded over to form a loop in the conductor; and
where the first end and the second end are disposed at the proximal end of the lead body. - View Dependent Claims (2)
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3. An endocardial lead comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end, a portion of the conductor between the first end and the second end folded over to form a loop in the conductor; and
a coil electrically coupled with the connector, the lead body having a first lumen and a second lumen, the coil disposed within the first lumen, the conductor disposed in the second lumen. - View Dependent Claims (4, 5, 6)
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7. An endocardial lead assembly comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end, and having a middle section therebetween, the middle section electrically coulpled with the electrode, the conductor forming a redundant current carrying system; and
means for forming a loop in the conductor. - View Dependent Claims (8)
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9. An endocardial lead assembly comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end;
means for forming a loop in the conductor; and
a crimp sleeve disposed over the conductor, the crimp sleeve having a dimple therein, where the dimple extends for less than an entire length of the sleeve.
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10. An endocardial lead assembly comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end;
means for forming a loop in the conductor; and
a coil electrically coupled with the connector, the lead body having a first lumen and a second lumen, the coil disposed within the first lumen, the conductor disposed in the second lumen, the first lumen having a first diameter, the second lumen having a second diameter, and the second diameter is greater than the first diameter.
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11. An endocardial lead assembly comprising:
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an elongate lead body extending between a proximal end and a distal end and an intermediate portion therebetween;
an electrical connector at the proximal end;
at least one electrode coupled with the lead body;
a conductor electrically coupled with the connector and the electrode, the conductor extending from a first end to a second end;
means for forming a loop in the conductor; and
a stylet disposed through the lead body, the stylet having a hook, and the stylet coupled with a portion of the conductor.
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12. A method comprising:
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forming a conductor including folding the conductor over itself to form a bend therein;
disposing the conductor within a lead body having a lead body proximal end and a lead body distal end;
forming a redundant current carrying system, including coupling at least one electrode with a middle portion of the conductor; and
crimping the conductor.
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13. A method comprising:
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forming a conductor including folding the conductor over itself to form a bend therein;
disposing the conductor within a lead body having a lead body proximal end and a lead body distal end;
coupling at least one electrode with a portion of the lead body and/or the conductor;
crimping the conductor; and
inserting a stylet having a small hook into the lead body, including inserting the stylet through the lead body distal end. - View Dependent Claims (14)
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15. A method comprising:
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forming a conductor including folding the conductor over itself to form a bend therein;
disposing the conductor within a lead body having a lead body proximal end and a lead body distal end;
coupling at least one electrode with a portion of the lead body and/or the conductor;
crimping the conductor; and
disposing a crimp sleeve over the bend of the conductor.
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16. A method comprising:
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forming a conductor including folding the conductor over itself to form a bend therein;
disposing the conductor within a lead body having a lead body proximal end and a lead body distal end;
coupling at least one electrode with a portion of the lead body and/or the conductor;
crimping the conductor; and
forming a first and second lumen in the lead body, deforming the lead body and tucking the bend into the second lumen of the lead body.
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17. A method comprising:
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forming a conductor including folding the conductor over itself to form a bend therein;
disposing the conductor within a lead body having a lead body proximal end and a lead body distal end;
coupling at least one electrode with a portion of the lead body and/or the conductor;
crimping the conductor; and
including a crimp connector with the conductor, forming a bore in a plug of the crimp connector, and passing at least a portion of the connector through the bore. - View Dependent Claims (18)
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Specification