Epicardial Clip
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Abstract
An epicardial clip for reshaping the annulus of the mitral valve of a heart includes a curved member having an anterior segment configured to be positioned in the transverse sinus of the heart, a posterior segment configured to be positioned on the posterior side of the heart, such as on or inferior to the atrioventricular groove, and a lateral segment extending between the anterior segment and the posterior segment. The lateral segment includes a curve such that the first end of the member is positioned at or above the plane of the mitral valve and the second end of the member is positioned at or below the plane of the mitral valve.
8 Citations
28 Claims
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1-12. -12. (canceled)
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13. An epicardial clip for placement on the epicardial surface of a heart in order to reshape the annulus of the mitral valve of the heart, the mitral valve lying in a plane between the left atrium and the left ventricle of the heart, the anatomy of the heart includes an aorta, a pulmonary trunk, a superior vena cava, a transverse sinus, and an atrioventricular groove, the epicardial clip comprising:
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a first curved portion interconnecting an anterior segment and a lateral segment; a second curved portion interconnecting said lateral segment with a posterior segment; and an atraumatic outer member covering a least a portion of said posterior segment; wherein the anterior segment is configured and dimensioned to at least partially occupy the transverse sinus epicardially and end at a location short of overlying the right atrium; wherein the posterior segment is configured and dimensioned to contact the heart on or below a plane in which the mitral valve is located, and below a position of the anterior segment; wherein a gap separates a free end of said anterior segment and a free end of said posterior segment after completion of placement of said epicardial clip on the heart; and wherein said epicardial clip is non-flexible relative to forces applied thereto by the heart. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An epicardial clip for placement on the epicardial surface of a heart in order to reshape the annulus of the mitral valve of the heart, the mitral valve lying in a plane between the left atrium and the left ventricle of the heart, the anatomy of the heart includes an aorta, a pulmonary trunk, a superior vena cava, a transverse sinus, and an atrioventricular groove, the epicardial clip comprising:
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a first curved portion interconnecting an anterior segment and a lateral segment; a second curved portion interconnecting said lateral segment with a posterior segment; a pad positioned on at least a portion of said posterior segment at a location wherein said pad contacts the heart upon completion of the placement of said epicardial clip on the heart; wherein the anterior segment is configured and dimensioned to at least partially occupy the transverse sinus epicardially and end at a location short of overlying the right atrium at a location on or above a plane in which the mitral valve is located; wherein the posterior segment is configured and dimensioned to contact the pad to the heart on or below the plane in which the mitral valve is located, and below a position of the anterior segment; and wherein a gap separates a free end of said anterior segment and a free end of said posterior segment after completion of placement of said epicardial clip on the heart. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification