Septal occluder and associated methods
First Claim
Patent Images
1. A septal occluder, comprising:
- a proximal generally cylindrically shaped anchor member having an axial length and an outer surface for deployment proximate a first end of a septal defect;
a distal generally cylindrically shaped anchor member having an axial length and an outer surface for deployment proximate a second end of said septal defect; and
a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor member along a proximal attachment line and fixedly attached to said distal anchor member along a distal attachment line, the proximal attachment line extending in an axial direction on the outer surface of the proximal anchor member, the distal attachment line extending in an axial direction on the outer surface of the distal anchor member, and at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer;
said proximal and distal anchor members and said flexible connection layer comprising one or more bioresorbable materials.
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Abstract
Devices are provided for closing septal defects such as PFOs. The devices generally include a proximal anchor member, a distal anchor member, and a flexible center joint connecting the two anchor members.
280 Citations
84 Claims
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1. A septal occluder, comprising:
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a proximal generally cylindrically shaped anchor member having an axial length and an outer surface for deployment proximate a first end of a septal defect; a distal generally cylindrically shaped anchor member having an axial length and an outer surface for deployment proximate a second end of said septal defect; and a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor member along a proximal attachment line and fixedly attached to said distal anchor member along a distal attachment line, the proximal attachment line extending in an axial direction on the outer surface of the proximal anchor member, the distal attachment line extending in an axial direction on the outer surface of the distal anchor member, and at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer; said proximal and distal anchor members and said flexible connection layer comprising one or more bioresorbable materials. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A septal defect closure device, comprising:
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an elongated proximal anchor member, having a length along a longitudinal axis longer than its transverse dimension for deployment proximate a first end of a septal defect; an elongated distal anchor member, having a length along a longitudinal axis longer than its transverse dimension, for deployment proximate a second end of said septal defect; and a flexible layer having a width and a length, said flexible layer being fixedly attached to said proximal anchor member at a first connection location and fixedly attached to said distal anchor member at a second connection location, wherein at least one of the first and second connection locations forms a juncture line along the width of the flexible layer and along a portion of an axial length of the corresponding anchor member. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A septal defect closure device, comprising:
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a generally cylindrically shaped proximal anchor member for deployment proximate a first end of a septal defect, the proximal member has a length along an axial dimension that is greater than the transverse dimension and an outer surface; a distal anchor member having an outer surface for deployment proximate a second end of said septal defect; a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor along a proximal attachment line and fixedly attached to said distal anchor member along a distal attachment line, wherein the flexible connection layer is fixedly attached to the proximal anchor member during delivery of the device to the septal defect, wherein the proximal attachment line extends in an axial direction on the outer surface of the proximal anchor member, the distal attachment line extends in an axial direction on the outer surface of the distal anchor member, and at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer; and a removal string extending from said proximal anchor member to facilitate collapsing and removal of the device from the septal defect. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. An apparatus for closing a septal defect, comprising:
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a delivery system including a sheath having a tip positionable at the defect; and a septal occluder collapsible for delivery through the sheath for deployment at the septal defect, the septal occluder comprising; a proximal anchor member, having an outer surface, axial length and a transverse dimension, and the axial length is longer than the transverse dimension, for deployment at a first end of the septal defect; a distal anchor member having an outer surface for deployment at a second end of said septal defect; and a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor member along a proximal attachment line and fixedly attached to said distal anchor member along a distal attachment line, said proximal and distal anchor members and said flexible connection layer comprising one or more bioresorbable materials, wherein the proximal attachment line extends in an axial direction on the outer surface of the proximal anchor member, the distal attachment line extends in an axial direction on the outer surface of the distal anchor member, and at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer. - View Dependent Claims (57)
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58. An apparatus for closing a septal defect, comprising:
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a delivery system including a sheath having a tip positionable at the defect; and a septal occluder collapsible for delivery through the sheath for deployment at the septal defect, the septal occluder comprising; an elongated proximal anchor member for deployment at a first end of the septal defect; an elongated distal anchor member for deployment at a second end of said septal defect; and a flexible layer having a width and a length, said flexible layer being fixedly attached to said proximal anchor member at a first connection location and fixedly attached to said distal anchor member at a second connection location, wherein at least one of the first and second connection locations forms a juncture line along the width of the flexible layer and along a portion of an axial length of the corresponding anchor member and wherein the flexible layer includes filaments disposed along at least a portion of the axial length of the corresponding anchor member.
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59. An apparatus for closing a septal defect, comprising:
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a delivery system including a sheath having a tip positionable at the defect; and a septal occluder collapsible for delivery through the sheath for deployment at the septal defect, the septal occluder comprising; a proximal anchor member having an outer surface, an axial length and a transverse dimension, the axial length being longer than the transverse dimension, for deployment at a first end of the septal defect; a distal anchor member for deployment proximate a second end of said septal defect; a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor along a proximal attachment line extending in an axial direction on the outer surface of the proximal anchor member, and fixedly attached to said distal anchor member along a distal attachment line, wherein at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer; and a removal string extending from said proximal anchor member to facilitate collapsing and removal of the occluder from the septal defect into the delivery sheath if desired. - View Dependent Claims (60)
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61. A septal occluder, comprising:
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a proximal anchor member having an outer surface, an axial length and a transverse dimension, wherein the axial length is larger than the transverse dimension for deployment proximate a first end of a septal defect; a distal anchor member for deployment proximate a second end of said septal defect; and a flexible connection layer, having a width and a length, fixedly attached to said proximal anchor member along a proximal attachment line along an axial direction on the outer surface of the proximal anchor member, and fixedly attached to said distal anchor member along a distal attachment line, at least one of the distal attachment line and proximal attachment line being along the width of the flexible connection layer; said proximal and distal anchor members and said flexible connection layer comprising one or more plastic materials. - View Dependent Claims (62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84)
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Specification