| abstract |
A continuous perfusion sheath assembly may be used for the passage of an endovascular medical device while maintaining a flow passage within the vessel. The sheath assembly may include a first lumen passing through the arteriotomy and configured for passage of a medical device, a second lumen configured to allow fluid flow from a location of a blood vessel upstream of the arteriotomy to a location downstream of the arteriotomy. have. The sheath assembly may further include a stylet, sleeve, or additional sheath configured to selectively open and close blood flow between upstream and downstream of the arteriotomy. The sheath assembly may further include a closure device distal to the arteriotomy, wherein the occlusion device is configured to control blood flow through the arteriotomy. |