Devices and methods for treatment of venous valve insufficiency
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Abstract
Devices and methods for improvement of functioning of a valve of a subject are disclosed. A device exhibiting an outward bias at its proximal end and an outward bias at its distal end, disposed at an angle to the bias at the proximal end is described. A device having a first arm and a second arm separated by a peak and having shoulders is also described. Alternative embodiments which function to decrease the distance between valve leaflets, having a first arm and a second arm biased toward one another are also disclosed. Several embodiments which may have mirror image ends are also disclosed. Any of the devices may have barbs, umbrella structures, sutures, or a variety of spring elements. Devices may be implanted surgically, percutaneously or subcutaneously. Methods and devices for delivery and deployment of devices are disclosed as well as methods for treatment of a valve of a subject.
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Citations
92 Claims
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1-73. -73. (canceled)
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74. A system for treatment of valve failure in a vessel of a subject, the valve having leaflets, the system comprising:
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an apparatus for decreasing the distance between leaflets of a valve, said apparatus comprising a frame, a delivery configuration and a deployed configuration, wherein said frame comprises a substantially rounded proximal end and a substantially rounded distal end; and an introducer configured to deliver the apparatus to the treatment site subcutaneously. - View Dependent Claims (75, 76, 77, 78, 79, 80, 81, 82, 83)
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- 84. An apparatus for decreasing the distance between leaflets of a valve, said apparatus comprising a frame, wherein said frame comprises a substantially rounded proximal end and a substantially rounded distal end.
Specification