Methods of treating valves
First Claim
Patent Images
1. A method of treating a native valve, the method comprising:
- delivering an expandable anchor and a valve prosthesis to a vicinity of the native valve, wherein feeler elements extend from the anchor;
positioning the anchor and the feeler elements so that the native valve leaflets are between the feeler elements and the anchor;
expanding the anchor from a collapsed delivery configuration to an expanded configuration; and
positioning a proximal end of the anchor further from a left ventricle than a distal end of the anchor,wherein the valve prosthesis allows the flow of blood through the valve prosthesis in a first configuration and prevents the flow of blood through the valve prosthesis in a second configuration.
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Abstract
The implant implantation unit (2), at a determined position in the tubular element (51) with a wall comprising a cavity (50), is pushed there by a catheter (60) and the unit comprises deformable feelers (31) to, under the control of remote activation elements (42), change from a stowed form to a deployed functional form, to detect the cavity (50) and position itself there with reference to the position of the cavity.
562 Citations
35 Claims
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1. A method of treating a native valve, the method comprising:
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delivering an expandable anchor and a valve prosthesis to a vicinity of the native valve, wherein feeler elements extend from the anchor; positioning the anchor and the feeler elements so that the native valve leaflets are between the feeler elements and the anchor; expanding the anchor from a collapsed delivery configuration to an expanded configuration; and positioning a proximal end of the anchor further from a left ventricle than a distal end of the anchor, wherein the valve prosthesis allows the flow of blood through the valve prosthesis in a first configuration and prevents the flow of blood through the valve prosthesis in a second configuration. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of treating a native valve insufficiency, comprising:
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positioning at least one feeler element in a cavity defined at least partially by a valve leaflet and a surface to which the valve leaflet is attached; and positioning a carrier element configured to support a valve prosthesis on a side of the valve leaflet opposite to the cavity. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method of treating a valve insufficiency, comprising:
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positioning at least one feeler element radially outward relative to a valve leaflet; and positioning a carrier element configured to support a valve prosthesis radially inward relative to the valve leaflet. - View Dependent Claims (28, 29, 30, 31, 32, 33)
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34. A method of treating a native heart valve insufficiency by placement of a valve prosthesis, the method comprising:
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positioning three feeler elements in respective cavities defined between respective native heart valve leaflets and a blood vessel wall to which the respective native heart valve leaflets are attached; positioning in a space surrounded by the native heart valve leaflets a tubular carrier element to which the three feeler elements are connected, wherein the carrier element has a collapsed configuration and expanded configuration and supports a valve prosthesis; and exerting an outward radial force against the native valve leaflets via the carrier element in the expanded configuration to anchor the valve prosthesis in place relative to the native heart valve. - View Dependent Claims (35)
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Specification