Importance

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Abstract

Disclosed is a vascular sheath for helping to prevent bleeding during procedures in which devices must be inserted into a blood vessel such as an artery or vein. The vascular sheath includes at least one manually compressible primary seal that has a lumen passing therethrough. A device inserted into the blood vessel first passes through the sheath, and thus through the lumen in the primary seal. By manually adjusting the compression of the primary seal the size of at least part of the lumen is made to substantially conform to the outer surface of the device. The primary seal can thus seal against large and small sized devices to prevent bleeding. It is preferred that a secondary seal also be used and one type of secondary seal is a flexible disk or flap with one or more slits through which the device passes.

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First Claim