Venous valve, system, and method
First Claim
Patent Images
1. A valve having a first end and a second end, the valve comprising:
- a frame, the frame comprising;
a first frame end having only two first frame end turns, the two first frame end turns forming the first end of the valve; and
a second frame end comprising a plurality of second frame end turns, the plurality of second frame end turns forming the second end of the valve, the second end of the valve having more end turns than the first end of the valve, the plurality of second frame end turns forming a part of a tubular ring having a serpentine configuration, the tubular ring further comprising ring turns connected to the second frame end turns by struts;
a plurality of frame members, each frame member connected to one first frame end turn and one or two of the ring turns, each ring turn connected to a single frame member, each first frame end turn having three frame members engaged thereto; and
a plurality of valve leaflets engaged to the frame.
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Abstract
A venous valve with a frame and a cover on the frame for unidirectional flow of a liquid through the valve.
653 Citations
17 Claims
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1. A valve having a first end and a second end, the valve comprising:
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a frame, the frame comprising; a first frame end having only two first frame end turns, the two first frame end turns forming the first end of the valve; and a second frame end comprising a plurality of second frame end turns, the plurality of second frame end turns forming the second end of the valve, the second end of the valve having more end turns than the first end of the valve, the plurality of second frame end turns forming a part of a tubular ring having a serpentine configuration, the tubular ring further comprising ring turns connected to the second frame end turns by struts; a plurality of frame members, each frame member connected to one first frame end turn and one or two of the ring turns, each ring turn connected to a single frame member, each first frame end turn having three frame members engaged thereto; and a plurality of valve leaflets engaged to the frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A valve comprising:
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a frame comprising; a first tubular ring having a serpentine configuration comprising first struts of a same first length, the first struts interconnected by turns, wherein two of the turns are first end turns that form a first end of the valve; a second tubular ring positioned a longitudinal distance from the first tubular ring, the second tubular ring having a serpentine configuration comprising second struts of a same second length, the second length being less than the first length, the second struts interconnected by turns, the turns including second end turns and ring turns, the second end turns forming a first end of the tubular ring and a second end of the valve, the ring turns forming a second end of the tubular ring; and frame members interconnecting the first and second tubular rings, the frame members engaged only to the ring turns of the second tubular ring, each ring turn of the second tubular ring connected to a frame member, the frame members including first frame members and second frame members, the first frame members having a greater longitudinal extent than the second frame members; valve leaflets engaged to the frame. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification