PROSTHETIC HEART VALVE DEVICES AND ASSOCIATED SYSTEMS AND METHODS
First Claim
1. A prosthetic treatment apparatus for treating a native mitral valve having a native annulus and native leaflets, comprising:
- an expandable support having a downstream end configured to be positioned toward a left ventricle, an upstream end configured to be positioned toward a left atrium, and an interior;
a prosthetic valve having a tri-leaflet assembly mounted to the expandable support and adapted to allow blood flow in the downstream direction and to block blood flow in the upstream direction;
a plurality of elongated members coupled to a downstream portion of the support and extending outwardly from the support in an upstream direction, wherein the elongated members have sufficient flexibility to deflect inwardly or outwardly relative to the support to accommodate expansion or distortion of the native annulus, and wherein the elongated members are configured to inhibit movement of the support toward the left atrium; and
a skirt coupled to a downstream portion of the support and extending around the support, wherein the skirt is oriented on the device as to inhibit blood flow between the prosthetic treatment device and the native valve.
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Accused Products
Abstract
Prosthetic heart valve devices for percutaneous replacement of native heart valves and associated systems and method are disclosed herein. A prosthetic heart valve device configured in accordance with a particular embodiment of the present technology can include an expandable support having an outer surface and configured for placement between leaflets of the native valve. The device can also include a plurality of asymmetrically arranged arms coupled to the expandable support and configured to receive the leaflets of the native valve between the arms and the outer surface. In some embodiments, the arms can include tip portions for engaging a subannular surface of the native valve.
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Citations
30 Claims
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1. A prosthetic treatment apparatus for treating a native mitral valve having a native annulus and native leaflets, comprising:
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an expandable support having a downstream end configured to be positioned toward a left ventricle, an upstream end configured to be positioned toward a left atrium, and an interior; a prosthetic valve having a tri-leaflet assembly mounted to the expandable support and adapted to allow blood flow in the downstream direction and to block blood flow in the upstream direction; a plurality of elongated members coupled to a downstream portion of the support and extending outwardly from the support in an upstream direction, wherein the elongated members have sufficient flexibility to deflect inwardly or outwardly relative to the support to accommodate expansion or distortion of the native annulus, and wherein the elongated members are configured to inhibit movement of the support toward the left atrium; and a skirt coupled to a downstream portion of the support and extending around the support, wherein the skirt is oriented on the device as to inhibit blood flow between the prosthetic treatment device and the native valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A prosthetic heart valve device for treating a native mitral valve having a native annulus and native leaflets, comprising:
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a tubular stent body having a ventricular end, an atrial end, and an interior; a leaflet assembly having a tricuspid valve coupled to the stent body and movable between an open configuration allowing blood flow through the interior of the stent body and a closed position blocking blood flow through the interior of the stent body; and a band-shaped collar structure attached to and encircling the stent body, the collar structure having a first portion configured to expand in diameter away from the ventricular end of the stent body toward the atrial end of the stent body and a second portion with a diameter larger than a diameter of the stent body, the collar structure being configured to exert a compressive force and seal against the native valve annulus, and the collar structure being adapted to articulate along a lateral axis relative to the stent body to conform to changes in shape of the native valve annulus during the cardiac cycle. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification