IP Library › Patent Application 14678430
Patent Application
App. No. 14/678,430

Venous Valve, System, and Method

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Quick Facts
Patent No.
US None
App. No.
14/678,430
Abstract

A venous valve with a frame and a cover on the frame for unidirectional flow of a liquid through the valve.

Claims (35)

1 .- 41 . (canceled)

42 . A valve comprising:

a frame comprising:

a first ring, the first ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the first ring, wherein the end turns of the first ring define a first end of the frame;

a second ring, the second ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the second ring, wherein the end turns of the second ring define a second end of the frame;

longitudinal frame members extending between ring turns of the first ring and ring turns of the second ring;

at least two leaflets engaged to the frame at the second ring, the leaflets defining a reversibly sealing opening disposed between the ring turns of the first ring and the ring turns of the second ring.

43 . The valve of claim 42 , wherein the leaflets engage at least one longitudinal frame member.

44 . The valve of claim 42 , wherein the frame defines an inner surface and an outer surface, and wherein at least a portion of the leaflets extend over the outer surface of the frame.

45 . The valve of claim 42 , wherein the frame's length is greater than the length of the leaflets.

46 . The valve of claim 42 , wherein the frame further comprises a first leaflet connection region and a second leaflet connection region, and wherein radial expansion of the frame increases a distance between the first leaflet connection region and the second leaflet connection region.

47 . The valve of claim 42 , wherein the opening, when fully open, has a circumference that is smaller than an inner circumference of the first ring.

48 . The valve of claim 42 , wherein the first ring has a radial flare that provides an increase in a peripheral frame dimension.

49 . The valve of claim 42 , wherein each of the first and second rings defines a central axis that passes through the frame.

50 . The valve of claim 42 , wherein the at least 2 leaflets comprises at least 3 leaflets.

51 . The valve of claim 42 , wherein the leaflet opening is for unidirectional flow of a fluid through the valve.

52 . A valve comprising:

a frame comprising:

a first ring, the first ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the first ring, wherein the end turns of the first ring define a first end of the frame;

a second ring, the second ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the second ring, wherein the end turns of the second ring define a second end of the frame;

longitudinal frame members extending between ring turns of the first ring and ring turns of the second ring;

leaflets engaged to the frame at the second ring, the leaflets defining a reversibly sealing opening disposed between the ring turns of the first ring and the ring turns of the second ring.

53 . The valve of claim 52 , wherein the longitudinal frame members are curved.

54 . The valve of claim 52 , wherein the leaflets engage at least one longitudinal frame member.

55 . The valve of claim 52 , wherein the frame has an inner surface and an outer surface, and wherein at least a portion of the leaflets extend over the outer surface of the frame.

56 . The valve of claim 52 , wherein the frame further comprises a first leaflet connection region and a second leaflet connection region, and wherein radial expansion of the frame increases a distance between the first leaflet connection region and the second leaflet connection region.

57 . A valve comprising:

a unitary frame comprising:

a first ring, the first ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the first ring, wherein the end turns of the first ring define a first end of the frame;

a second ring, the second ring comprising end turns, ring turns, and a plurality of struts, each strut extending between an end turn and a ring turn of the second ring, wherein the end turns of the second ring define a second end of the frame;

a cover engaged to the frame at the second ring, the cover providing leaflets defining a reversibly sealing opening disposed between the ring turns of the first ring and the ring turns of the second ring.

58 . The valve of claim 57 , wherein the leaflets engage the frame at a location between the first and second rings.

59 . The valve of claim 57 , wherein the opening, when fully open, has a circumference that is smaller than an inner circumference of the first ring.

60 . The valve of claim 57 , wherein the first ring has a radial flare that provides an increase in a peripheral frame dimension.

61 . The valve of claim 57 , wherein the frame further comprises a first leaflet connection region and a second leaflet connection region, and wherein the leaflets engage the at least first and second leaflet connection regions.