PROSTHETIC HEART VALVE DEVICES, PROSTHETIC MITRAL VALVES AND ASSOCIATED SYSTEMS AND METHODS
3 Assignments
0 Petitions
Accused Products
Abstract
A prosthetic heart valve (100) includes a flexible anchoring member (110) at least partially surrounding and coupled to an inner valve support (120). The device can further include a prosthetic valve (130) coupled to, mounted within, or otherwise carried by the valve support. The valve support includes a plurality of posts (122) connected circumferentially by a plurality of struts (124), where the posts extend along an axial direction generally parallel to the longitudinal axis (101) and the struts extend circumferentially around and transverse to the longitudinal axis. The posts extend an entire longitudinal height HI of the valve support 120. The device also includes one or more sealing members (140) and tissue engaging elements (170) like spikes.
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Citations
165 Claims
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1-6. -6. (canceled)
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7. A prosthetic heart valve device for implantation at a native mitral valve, the native mitral valve having an annulus and leaflets, comprising:
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an anchoring member positionable in a location between the leaflets, the anchoring member having a first portion and a second portion, wherein the first portion of the anchoring member is expandable to a deployed configuration having a dimension larger than a corresponding dimension of the annulus such that upstream movement of the anchoring member is blocked by engagement of the first portion of the anchoring member with tissue on or near the annulus on an inward-facing side of the leaflets, wherein the first portion of the anchoring member comprises an upstream portion and the second portion of the anchoring member comprises a downstream portion; and a valve support coupled to the second portion of the anchoring member and configured to support a prosthetic valve, the valve support having an expanded configuration in which the prosthetic valve is competent, wherein when the valve support is in the expanded configuration and the anchoring member is in the deployed configuration an upstream region of the valve support is spaced radially inward from the first portion of the anchoring member such that if the anchoring member is deformed inwardly the upstream region of the valve support remains substantially undeformed. - View Dependent Claims (8, 35, 36, 37, 38, 39, 43, 44, 45, 49, 50, 54, 55, 66, 67, 80, 101, 102, 125, 127)
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9-34. -34. (canceled)
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40-42. -42. (canceled)
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46-48. -48. (canceled)
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51-53. -53. (canceled)
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56-65. -65. (canceled)
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68-79. -79. (canceled)
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81-100. -100. (canceled)
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103-124. -124. (canceled)
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126. (canceled)
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128-138. -138. (canceled)
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139. A method for replacement of a native heart valve having an annulus and leaflets coupled to the annulus, the method comprising:
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positioning a prosthetic device including an anchoring member and a valve support coupled to the anchoring member at a native mitral valve of the patient wherein; a first portion of the anchoring member engages tissue on or downstream of an annulus of the native mitral valve between the leaflets so as to inhibit movement of the prosthetic device in an upstream direction, wherein the first portion of the anchoring member deforms to conform to a shape of the native mitral valve; the valve support expands to an expanded configuration in which an upstream portion of the valve support is radially spaced apart from the first portion of the anchoring member; and a portion of the valve support maintains a predetermined cross-sectional shape upon expansion suitable for supporting a prosthetic valve in a configuration in which the prosthetic valve is competent while the first portion of the anchoring member deforms with respect to the shape of the native mitral valve. - View Dependent Claims (141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156)
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140. (canceled)
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157-162. -162. (canceled)
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163. A device for repair or replacement of a native valve of a heart, the native valve having an annulus and leaflets coupled to the annulus, comprising:
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an anchoring member including a first portion and a second portion, wherein the first portion is configured to engage tissue on or under the annulus so as to inhibit movement of the device in an upstream direction and to deform into a non-circular shape to at least partially conform to the shape of the native valve; and a valve support coupled to the second portion of the anchoring member and configured to support a prosthetic valve, wherein the valve support has a cross-sectional shape, wherein the anchoring member extends upwardly and flares outwardly apart from the valve support from a downstream portion of the valve support; wherein when the anchoring member and valve support are in a fully expanded configuration the first portion of the anchoring member is mechanically isolated from the valve support such that the cross-sectional shape of the valve support remains sufficiently stable that the prosthetic valve remains competent when the anchoring member is deformed in the non-circular shape.
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164. A prosthetic heart valve device for repair or replacement of a native heart valve of a patient, the heart valve having a native annulus and leaflets, comprising:
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an anchoring member having an upstream portion having a first cross-sectional dimension and a downstream portion having a second cross-sectional dimension less than the first cross-sectional dimension, wherein the upstream portion is configured to engage cardiac tissue at the native annulus to restrain the anchoring member from movement in an upstream direction; a valve support coupled to the downstream portion of the anchoring member and configured to support a prosthetic valve, wherein the valve support has an upstream region and a downstream region, and wherein, with the anchoring member and valve support in a fully expanded configuration, the upstream region of the valve support is radially spaced apart from the upstream portion of the anchoring member such that the upstream portion of the anchoring member can deform inwardly without substantially deforming the upstream region of the valve support.
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165. A device for repair or replacement of a native valve having an annulus and a plurality of leaflets, the device comprising:
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an expandable valve support configured for placement between the leaflets, the support having a first region, a second region, and an interior in which a valve may be coupled; and an anchoring member having a first portion and a second portion, wherein the second portion of the anchoring member is coupled to the second region of the valve support, and wherein the first portion of the anchoring member extends outwardly away from the second region of the expandable valve support, the first portion of the anchoring member having a first perimeter configured to engage tissue between the leaflets on or near the annulus to inhibit movement of the device in an upstream direction; wherein with the support and the anchoring member in a fully expanded configuration the anchoring member is mechanically isolated from the valve support such that a force exerted radially at or near the first perimeter will not substantially alter a shape of the valve support.
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Specification