Method and apparatus for cardiac valve replacement
First Claim
1. A method of placing a valve in an organ having a greater perimeter than the valve, comprising:
- delivering an expandable tubular adapter to a desired site within the organ, wherein the adapter comprises an enclosed volume surrounded by an outer cylindrical wall having a first perimeter that is spaced concentrically from an inner cylindrical wall having a second perimeter that is smaller than the first perimeter, and first and second end walls extending between the outer and inner cylindrical walls at a proximal and a distal end of the adapter, respectively;
expanding the outer cylindrical wall relative to the inner cylindrical wall so that the outer cylindrical wall contacts the organ; and
placing a valve within the inner cylindrical wall of the adapter.
1 Assignment
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Accused Products
Abstract
A method of placing a valve in a tubular organ including the steps of delivering an expandable tubular adapter to a site within the tubular organ, wherein the adapter includes an enclosed volume surrounded by an outer wall that is spaced from an inner wall, and first and second end walls. The method further includes expanding the outer wall relative to the inner wall so that the outer wall contacts the tubular organ, and placing a valve within the inner wall of the adapter. The method may further include inserting material into the enclosed volume of the adapter to expand the outer wall relative to the inner wall, which material may include liquid or gel. Alternatively, the valve may be positioned within the inner wall prior to the adapter being delivered to the desired site.
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Citations
22 Claims
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1. A method of placing a valve in an organ having a greater perimeter than the valve, comprising:
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delivering an expandable tubular adapter to a desired site within the organ, wherein the adapter comprises an enclosed volume surrounded by an outer cylindrical wall having a first perimeter that is spaced concentrically from an inner cylindrical wall having a second perimeter that is smaller than the first perimeter, and first and second end walls extending between the outer and inner cylindrical walls at a proximal and a distal end of the adapter, respectively; expanding the outer cylindrical wall relative to the inner cylindrical wall so that the outer cylindrical wall contacts the organ; and placing a valve within the inner cylindrical wall of the adapter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for positioning a valve in a tubular organ having a greater perimeter than the valve, comprising:
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an enclosed volume surrounded by an outer cylindrical wall having a first perimeter that is spaced concentrically from an inner cylindrical wall having a second perimeter that is smaller than the first perimeter, and first and second end walls extending between the outer and inner cylindrical walls at a proximal and a distal end of the adapter, respectively; a quantity of material contained within the enclosed volume; a valve mounted within the inner cylindrical wall of the adapter. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A method of placing a valve in a tubular organ having a greater diameter than the valve, comprising:
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delivering an expandable tubular adapter assembly to a desired site within the tubular organ, wherein the adapter assembly comprises an adapter comprising an enclosed volume surrounded by an outer cylindrical wall having a first diameter that is spaced concentrically from an inner cylindrical wall having a second diameter that is smaller than the first diameter, and first and second end walls extending between the outer and inner cylindrical walls at a proximal and distal end of the adapter, respectively; and a valve positioned within the inner cylindrical wall of the adapter; and inserting material into the enclosed volume of the adapter to expand the outer cylindrical wall relative to the inner cylindrical wall so that the outer cylindrical wall contacts the tubular organ.
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22. A method of placing a valve in a tubular organ having a greater diameter than the valve, comprising:
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delivering an expandable adapter in an at least partially unexpanded condition to a desired site within the tubular organ, wherein the adapter comprises; an enclosed volume surrounded by an outer wall having a first periphery that is spaced from an inner wall having a second periphery that is smaller than the first periphery, and first and second end walls extending between the outer and inner walls at a proximal and distal end of the adapter, respectively; expanding the outer wall relative to the inner wall so that the outer wall contacts the tubular organ; and placing a valve within the inner wall of the adapter.
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Specification