METHOD OF TREATING CARDIOMYOPATHY
First Claim
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1. A method of reducing a transventricular size and improving ventricular geometry in a patient having dilated cardiomyopathy, comprising:
- securing a first end of a tether structure to one of the papillary muscles of the left ventricle of the patient'"'"'s heart;
securing a second end of the tether structure to an opposing interior surface of the left ventricle of the patient'"'"'s heart; and
reducing a distance between said papillary muscle and said opposing interior surface by drawing the papillary muscle and the opposing interior surface together with said at least one tether structure to reduce a transventricular size and geometry of the patient'"'"'s heart, thereby to mitigate the affects of the dilated cardiomyopathy.
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Abstract
The surgical implantation of a link, which may be in the form of a tether or a looped band, is proposed to connect and reduce the spacing between facing walls of the left ventricle, to reduce dilation of the left ventricle. Decreasing the distance between the facing portions of the ventricle may also more appropriately align the chordal apparatus to decrease mitral regurgitation. The implanted link thus improves heart function by reducing left ventricular failure.
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Citations
19 Claims
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1. A method of reducing a transventricular size and improving ventricular geometry in a patient having dilated cardiomyopathy, comprising:
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securing a first end of a tether structure to one of the papillary muscles of the left ventricle of the patient'"'"'s heart; securing a second end of the tether structure to an opposing interior surface of the left ventricle of the patient'"'"'s heart; and reducing a distance between said papillary muscle and said opposing interior surface by drawing the papillary muscle and the opposing interior surface together with said at least one tether structure to reduce a transventricular size and geometry of the patient'"'"'s heart, thereby to mitigate the affects of the dilated cardiomyopathy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of reducing a transventricular size and improving ventricular geometry in a patient having dilated cardiomyopathy, comprising:
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securing a first end of a tether structure to an exterior wall of the left ventricle of the patient'"'"'s heart; securing a second end of the tether structure to the inter-ventricular septum; and reducing a distance between said exterior wall of the left ventricle and said inter-ventricular septum by drawing the exterior wall and the inter-ventricular septum together with said at least one tether structure to reduce a transventricular size and geometry of the patient'"'"'s heart, thereby to mitigate the affects of the dilated cardiomyopathy. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification