PFO closure device with flexible thrombogenic joint and improved dislodgement resistance
First Claim
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1. A device for closing a defect in septal tissue, comprising:
- a first side adapted to be disposed on one side of the septal tissue and a second side adapted to be disposed on the opposite side of the septal tissue, said first and second sides connected by two flexible center joints extending from the first side to the second side,wherein each of said first and second sides includes an anchor member, andwherein the anchor member of at least one of said first and second sides comprises a generally cylindrical member having a central portion, wherein the central portion is split to form an elongate oval having a surface area adapted to seat against the septal tissue.
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Abstract
The present invention provides devices for closing septal defects, such as a patent foramen ovale (PFO). The closure devices include a proximal anchor member, a distal anchor member, and at least one flexible center joint connecting the two anchor members. According to some embodiments, the proximal and/or distal anchor members may include a generally cylindrical member split along the central portion of its length to form an elongate oval. The proximal and/or distal anchor members may further include a tissue scaffold. At least some of the closure devices according to the present invention are repositionable and retrievable.
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3 Claims
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1. A device for closing a defect in septal tissue, comprising:
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a first side adapted to be disposed on one side of the septal tissue and a second side adapted to be disposed on the opposite side of the septal tissue, said first and second sides connected by two flexible center joints extending from the first side to the second side, wherein each of said first and second sides includes an anchor member, and wherein the anchor member of at least one of said first and second sides comprises a generally cylindrical member having a central portion, wherein the central portion is split to form an elongate oval having a surface area adapted to seat against the septal tissue. - View Dependent Claims (2, 3)
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Specification