Closure device with hinges
First Claim
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1. A medical device for closing a septal defect comprising:
- a distal portion for use on one side of the septal defect and including a distal end;
a proximal portion for use on another side of the defect and including a proximal end;
a center joint connected to and separating the distal and proximal portions;
the device being movable between an elongated delivery position and a compressed deployed position in which the proximal and distal ends are closer together than the proximal and distal ends are in the elongated delivery position;
at least one of the portions including a plurality of petals configured to provide a force against the area around the septal defect, each petal including two segments extending generally radially away from a same piece selected from the distal end, proximal end, and the center joint, and a portion at the outer perimeter of the petal connecting the two segments, wherein at least one petal is further connected to an adjacent petal through a hinge that connects to one of the segments of one petal and to one of the segments of another petal.
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Abstract
A device for closing a defect, such as a patent foramen ovale (PFO) or an atrial septal defect (ASD), has first and second sides on either side of the defect, a center joint that passes through the defect, and end pieces at the outer ends of the sides. One or both sides of the device have a plurality of petals. At least one petal on each side extends away from the center joint, and at least one petal on each side extends away from an end piece. Adjacent petals are coupled together with hinges.
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Citations
24 Claims
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1. A medical device for closing a septal defect comprising:
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a distal portion for use on one side of the septal defect and including a distal end; a proximal portion for use on another side of the defect and including a proximal end; a center joint connected to and separating the distal and proximal portions; the device being movable between an elongated delivery position and a compressed deployed position in which the proximal and distal ends are closer together than the proximal and distal ends are in the elongated delivery position; at least one of the portions including a plurality of petals configured to provide a force against the area around the septal defect, each petal including two segments extending generally radially away from a same piece selected from the distal end, proximal end, and the center joint, and a portion at the outer perimeter of the petal connecting the two segments, wherein at least one petal is further connected to an adjacent petal through a hinge that connects to one of the segments of one petal and to one of the segments of another petal. - 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)
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Specification