Closure devices, related delivery methods, and related methods of use
First Claim
1. A device for sealing a passageway in a human body, the device comprising:
- a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway; and
an elongate member adapted to extend through the passageway and connect the first and second anchors, the elongate member having a first end fixedly connected to one of the first and second anchors.
3 Assignments
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Accused Products
Abstract
A device for sealing a patent foramen ovale (PFO) in the heart is provided. The device includes a left atrial anchor adapted to be placed in a left atrium of the heart, a right atrial anchor adapted to be placed in a right atrium of the heart, and an elongate member adapted to extend through the passageway and connect the left and right atrial anchors. The right atrial anchor preferably includes a plurality of arms and a cover attached to the arms. The left atrial anchor preferably also includes a plurality of arms and preferably does not include a cover. Preferably, the elongate member has a first end fixedly connected to the left atrial anchor and a portion, proximal to the first end, passing through the right atrial anchor. Preferably, the elongate member is flexible.
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Citations
108 Claims
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1. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway; and
an elongate member adapted to extend through the passageway and connect the first and second anchors, the elongate member having a first end fixedly connected to one of the first and second anchors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway; and
a flexible elongate member adapted to extend through the passageway and connect the first and second anchors, the elongate member capable of moving through the second anchor to vary a length of the elongate member between the first and second anchors.
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36. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway, the second anchor including a plurality of second loop structures; and
a flexible elongate member adapted to extend through the passageway and connect the first and second anchors, the elongate member capable of moving through the second anchor to vary a length of the elongate member between the first and second anchors.
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37. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway; and
a flexible elongate member adapted to extend through the passageway and connect the first and second anchors, wherein the first anchor pivots relative to the elongate member and the second anchor pivots relative to the elongate member.
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38. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway; and
a flexible elongate member adapted to extend through the passageway and connect the first and second anchors, wherein each of the first and second anchors is collapsible from a deployed state to a collapsed delivery state.
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39. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each loop structure including an outer loop portion and a member connecting portions of outer loop portion;
a second anchor adapted to be placed proximate a second end of the passageway; and
an elongate member adapted to extend through the passageway and connect the first and second anchors, the elongate member having a first end fixedly connected to the first anchor. - View Dependent Claims (40)
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41. An assembly for sealing a passageway in a heart, the assembly comprising:
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a guide catheter capable of extending to the passageway; and
a closure device capable of sealing the passageway, the closure device including a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each first loop structure having a first end connected to the first anchor and a second free end, a second anchor adapted to be placed proximate a second end of the passageway, and a flexible elongate member adapted to extend through the passageway and connect the first and second anchors, wherein the closure device is positionable within the guide catheter in a first collapsed state and extendable from the guide catheter in a second deployed state. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. A method of sealing a passageway in a human body, comprising:
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placing a first anchor proximate a first end of the passageway, the first anchor including a plurality of first loop structures;
placing a second anchor proximate a second end of the passageway; and
moving the second anchor relative to the first anchor along a flexible elongate member disposed between the first and second anchors within the passageway. - View Dependent Claims (60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71)
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72. A method of placing a closure device to seal a passageway in a human body, comprising:
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advancing a catheter into a first end of the passageway and out a second end of the passageway;
advancing a first anchor of a closure device out of a distal end of the catheter;
withdrawing the catheter through the passageway;
positioning the first anchor adjacent the second end of the passageway;
advancing a second anchor of the closure device out of the distal end of the catheter;
positioning the second anchor of the closure device adjacent the first end of the passageway; and
advancing a lock to a position adjacent the second anchor. - View Dependent Claims (73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89)
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90. A closure device for sealing a passageway in a heart, the device comprising:
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a left atrial anchor configured to close a first end of the passageway;
a right atrial anchor configured to close a second end of the passageway, at least one of the left atrial anchor and the right atrial anchor including a plurality of loop structures;
a flexible elongate member connecting the left and right atrial anchors, wherein the elongate member has a first end fixedly connected to the left atrial anchor and wherein the right atrial anchor is movable with respect to the elongate member; and
a lock configured to prevent proximal movement of the right atrial anchor relative to the flexible elongate member.
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91. A system for sealing a passage in a heart, the system comprising:
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a delivery catheter capable of extending to a position near the passage;
a closure device capable of sealing the passage, the device including a first anchor adapted to be placed proximate a first end of the passage, a second anchor adapted to be placed proximate a second end of the passage, and a flexible elongate member adapted to extend through the passage and connect the first and second anchors; and
a cutting tool capable of extending over the flexible elongate member to a position near the second anchor. - View Dependent Claims (92, 93, 94, 95, 96, 97, 98, 99)
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100. A device for sealing a passageway in a human body, the device comprising:
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a first anchor adapted to be placed proximate a first end of the passageway, the first anchor including a plurality of first loop structures, each loop structure having a first end connected to the first anchor and a second free end;
a second anchor adapted to be placed proximate a second end of the passageway, the second anchor including an element configured to engage a snare; and
a flexible elongate member connecting the first and second anchors. - View Dependent Claims (101, 102, 103)
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104. A device for closing a passageway in a heart, the device comprising:
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a left atrial anchor adapted to be placed in a left atrium of the heart and including a plurality of uncovered arms;
a right atrial anchor adapted to be placed in a right atrium of the heart and including a plurality of arms, a cover attached to the plurality of arms, and an element configured to engage a snare; and
a flexible elongate member adapted to extend through the passageway and connect the left and right atrial anchors, the elongate member having a first end fixedly connected to the left atrial anchor and a second end releasably connected to the right atrial anchor.
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105. A device for closing a passageway in a heart, the device comprising:
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a left atrial anchor adapted to be placed in a left atrium of the heart and including a plurality of uncovered arms;
a right atrial anchor adapted to be placed in a right atrium of the heart and including a plurality of arms and a cover attached to the plurality of arms;
a flexible elongate member adapted to extend through the passageway and connect the left and right atrial anchors, the elongate member having a first end fixedly connected to the left atrial anchor; and
a lock for preventing proximal movement of the right atrial anchor relative to the flexible elongate member.
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106. A device for closing a passageway in a heart, the device comprising:
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a left atrial anchor adapted to be placed in a left atrium of the heart and including a plurality of uncovered arms and at least one member connecting each arm to the left atrial anchor;
a right atrial anchor adapted to be placed in a right atrium of the heart and including a plurality of arms and a cover attached to the plurality of arms; and
a flexible elongate member adapted to extend through the passageway and connect the left and right atrial anchors, the elongate member having a first end fixedly connected to the left atrial anchor and a second end releasably connected to the right atrial anchor.
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107. A method for retrieving a device for sealing a passageway in a heart, comprising:
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advancing a snare catheter through a guide catheter toward the passageway covered by a second anchor of the device;
engaging a portion of the second anchor with the snare; and
drawing the second anchor into the guide catheter with the snare.
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108. A cutting tool for severing a flexible elongate member, comprising:
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a cutting tool body having a distal end and a proximal end, the cutting tool body capable of extending through a guide catheter;
a guide member for guiding the flexible elongate member, the guide member including a distal opening through which the flexible elongate member enters the cutting tool and a lateral opening through which the flexible elongate member exits the cutting tool; and
a cutting element surrounding the guide member, wherein the cutting element is movable relative to the guide member to cut the flexible elongate member as it exits the guide member through the lateral opening of the guide member.
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Specification