US Patent 9763819 Tapered sleeve

The present disclosure describes a sleeve comprising a conical frustum having first and second end profiles and a lumen there through for covering and constraining an expandable device, and assemblies comprising an expandable device and a sleeve having a frustoconical shape when the expandable device is at least partially expanded. The present disclosure further describes methods for deploying an expandable device in a patient comprising releasing a releasable seam disposed on a sleeve and everting the sleeve while retracting it from the expandable device.