Coiled sheet valve, filter or occlusive device and methods of use
AssigneeIncept, LLC
InventorFarhad Khosravi
Life of this patent
Estimating the term…
Abstract
Apparatus is provided comprising a coiled sheet having a plurality of flaps mounted on its interior surface that project radially inward into a lumen formed by the interior surface of the apparatus when it is deployed. The flaps lie parallel to the interior surface of the sheet during transluminal delivery, but project radially inward once the apparatus is deployed. The flaps may comprise a fine mesh for use as a filter, or alternatively may be covered with a biocompatible material that is substantially impermeable, so as to partially or completely occlude the lumen. In a further alternative embodiment, the flaps may comprise a resilient biocompatible plastic or polymer, so that the flaps move in response to the flow and function as a pressure-based or directional valve.
Claims20
A method of altering flow through a vessel or body organ, the method comprising:
- providing apparatus comprising a sheet having an interior surface, and a plurality of flaps disposed from the interior surface;
- providing a delivery device comprising a sheath with a lumen, a shaft with an exterior surface, and an inflatable balloon disposed around the exterior surface of the shaft, the shaft and inflatable balloon disposed within the lumen;
- rolling the sheet to form a tubular member in a delivery state of reduced diameter suitable for transluminal delivery, the interior surface defining a lumen of the tubular member, the flaps lying substantially parallel to the lumen;
- placing the tubular member in the delivery state within the lumen and around an exterior surface of the balloon;
- positioning the delivery device in the vessel or organ percutaneously and transluminally;
- and
- expanding the apparatus, the tubular member assuming a deployed state of expanded diameter wherein the tubular member sealingly engages an interior wall of the vessel or organ, the flaps projecting radially inward into the lumen to alter flow through the vessel or organ.
Dependencies are inferred from the claim text.