ANTEGRADE FLOW MAINTENANCE SHEATH

摘要

The present embodiments relate to an endovascular treatment system comprising a sheath having a sheath lumen and a sheath aperture located on a circumferential surface of the sheath, and an internal liner disposed at least partially within the sheath lumen. The internal liner comprises a liner aperture, a protrusion, and a liner lumen, and has a delivery state and an expanded state. In the expanded state, the protrusion extends out of the sheath lumen through the sheath aperture.

主权项

1. An endovascular treatment system, comprising:
a sheath comprising a sheath lumen and a sheath aperture located on a circumferential surface of the sheath; and an internal liner disposed at least partially within the sheath lumen, comprising a liner aperture, a protrusion selectively covering a portion of the liner aperture, and a liner lumen, and having a delivery state and an expanded state, where, in the delivery state, the protrusion of the internal liner is disposed within the sheath lumen such that fluid flow through the sheath aperture is substantially inhibited, and where, in the expanded state, at least a portion of the protrusion of the internal liner extends out of the sheath lumen through the sheath aperture such that fluid flow is permitted from the liner lumen through the liner aperture and the sheath aperture.