Occlusion device with flexible spring connector
First Claim
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1. An occlusion device comprising:
- a first occluding body;
a second occluding body; and
a center assembly comprising a proximal hub attached to the first occluding body, a distal hub attached to the second occluding body, a flexible spring connector having a proximal end attached to the proximal hub and a distal end attached to the distal hub, and a safety tether having a proximal end attached to the proximal hub and a distal end attached to the distal hub, the safety tether extending through a middle of the flexible spring connector to connect the proximal hub to the distal hub, wherein the flexible spring connector comprises a plurality of springs extending between the proximal hub and the distal hub including a first spring coiled in a clockwise direction and a second spring coiled in a counterclockwise direction.
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Abstract
An occlusion device includes a center assembly having a flexible section formed by a spring connector and a safety tether. The flexible spring connector gives the center assembly improved torque and flexure characteristics, which allows the occlusion device to better conform to the contours of the heart. The safety tether serves to further ensure the structural integrity of the center assembly.
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Citations
13 Claims
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1. An occlusion device comprising:
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a first occluding body; a second occluding body; and a center assembly comprising a proximal hub attached to the first occluding body, a distal hub attached to the second occluding body, a flexible spring connector having a proximal end attached to the proximal hub and a distal end attached to the distal hub, and a safety tether having a proximal end attached to the proximal hub and a distal end attached to the distal hub, the safety tether extending through a middle of the flexible spring connector to connect the proximal hub to the distal hub, wherein the flexible spring connector comprises a plurality of springs extending between the proximal hub and the distal hub including a first spring coiled in a clockwise direction and a second spring coiled in a counterclockwise direction. - View Dependent Claims (2, 3, 4, 5)
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6. An occlusion device comprising:
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a first collapsible support frame; a second collapsible support frame; a proximal hub connected to the first collapsible support frame; a distal hub connected to the second collapsible support frame; a spring connector providing a flexible connection between the proximal hub and the distal hub, the spring connector comprising a plurality of springs extending between the proximal hub and the distal hub including a first spring coiled in a clockwise direction and a second spring coiled in a counterclockwise direction; a tether having a proximal end attached to the proximal hub and a distal end attached to the distal hub, the safety tether extending through a middle of the spring connector and providing a safety connection between the proximal hub and the distal hub; and a first sheet attached to the first collapsible support frame. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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Specification