Methods and devices for improving cardiac function in hearts
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Accused Products
Abstract
Various methods and devices are disclosed for improving cardiac function in hearts having zones of infarcted (akinetic) and aneurysmal (dyskinetic) tissue regions. The methods and devices reduce the radius of curvature in walls of the heart proximal infarcted and aneurysmal regions to reduce wall stress and improve pumping efficiency. The inventive methods and related devices include splinting of the chamber wall proximal the infarcted region and various other devices and methods including suture and patch techniques.
356 Citations
118 Claims
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1-77. -77. (canceled)
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78. A device for treating mitral valve regurgitation, comprising:
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a tether;
a distal anchoring member positioned adjacent to a distal end of the tether; and
a proximal anchoring member positioned adjacent to a proximal end of the tether;
wherein at least one of the anchoring members includes an elastic portion that flexes when the tensioning device is positioned across a chamber of a heart. - View Dependent Claims (79, 80, 81, 82, 83, 84, 85)
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- 86. An implant system to affect a shape of a heart valve annulus comprising a first component sized and configured to engage tissue along a major axis of the annulus and a second component sized and configured, concurrent with the first component, to engage and inwardly displace tissue along a minor axis of the annulus.
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94. A device for treating tissue near a valve to modify flow through the valve, comprising:
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an elongate body having a central region and at least two anchoring regions on opposing end portions of the central region, wherein each anchoring region is configured to be anchored to opposing areas of tissue against or adjacent to an annulus of the valve and urge the areas of tissue towards one another;
the elongate body being further configured for delivery through a catheter to the tissue whereby the elongate body has a first shape during the delivery and a second shape after the delivery. - View Dependent Claims (95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107)
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108. A method for treating tissue near a valve to modify flow through the valve, comprising:
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providing an elongate body having a central region, a first anchoring region, and a second anchoring region, each of the anchoring regions being attached to opposing end portions of the central region;
placing a delivery catheter near the tissue;
urging the elongate body through a distal opening defined in the catheter such that the first anchoring region exits the distal opening and attaches to a first area of the tissue against or adjacent to an annulus of the valve; and
further urging the elongate body through the distal opening such that the second anchoring region exits the distal opening and attaches to a second area of the tissue against or adjacent to the annulus of the valve such that the first area and the second area are urged towards one another by the elongate body. - View Dependent Claims (109, 110, 111, 112, 113, 114, 115, 116, 117, 118)
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Specification