Cardioverter-defibrillator having a focused shocking area and orientation thereof
First Claim
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1. An implantable defibrillator comprising:
- a housing having a length of about 30 cm and having first and second ends with a first electrode disposed on the first end and a second electrode disposed on the second end;
the housing containing operational circuitry configured to receive cardiac signals from the first and second electrodes and deliver defibrillation energy via the first and second electrodes;
the housing being shaped to allow implantation over the ribcage of a patient such that when the first end is disposed at a left parasternal location, the second end extends to underneath the patient'"'"'s left arm; and
the housing being configured to define a first curvature across a first region near the first end and a second curvature across a second region near the second end, the first curvature being generally planar and the second curvature being generally non-planar, such that the housing will conform to the contours of the ribcage when implanted subcutaneously.
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Abstract
One embodiment of the present invention provides an implantable cardioverter defibrillator for subcutaneous positioning between the third rib and the twelfth rib within a patient, the implantable cardioverter-defibrillator including a housing; an electrical circuit located within the housing; a first electrode coupled to the electrical circuit and located on the housing; and a second electrode coupled to the electrical circuit. Some embodiments also include a physiologic sensor. Other embodiments comprise methods of implanting and subcutaneously positioning an implantable defibrillator.
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Citations
20 Claims
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1. An implantable defibrillator comprising:
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a housing having a length of about 30 cm and having first and second ends with a first electrode disposed on the first end and a second electrode disposed on the second end; the housing containing operational circuitry configured to receive cardiac signals from the first and second electrodes and deliver defibrillation energy via the first and second electrodes; the housing being shaped to allow implantation over the ribcage of a patient such that when the first end is disposed at a left parasternal location, the second end extends to underneath the patient'"'"'s left arm; and the housing being configured to define a first curvature across a first region near the first end and a second curvature across a second region near the second end, the first curvature being generally planar and the second curvature being generally non-planar, such that the housing will conform to the contours of the ribcage when implanted subcutaneously. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An implantable defibrillator consisting of:
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a housing having a length of about 30 cm and having first and second ends with a first electrode disposed on the first end and a second electrode disposed on the second end; the housing containing operational circuitry configured to receive cardiac signals from the first and second electrodes and deliver defibrillation energy via the first and second electrodes; the housing being shaped to allow implantation over the ribcage of a patient such that when the first end is disposed at a left parasternal location, the second end extends to underneath the patient'"'"'s left arm; and the housing being configured to define a first curvature across a first region near the first end and a second curvature across a second region near the second end, the first curvature being generally planar and the second curvature being generally non-planar, such that the housing will conform to the contours of the ribcage when implanted subcutaneously. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification