Importance

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Abstract

An introducer sheath includes a elongated sheath configured to be inserted into a blood vessel. The elongated sheath includes a central lumen configured to allow a surgical implement or medical device to pass therethrough. The introducer sheath also includes a hemostatic valve operatively connected to the sheath. The hemostatic valve is configured to prevent blood in the blood vessel from exiting the introducer sheath assembly when the elongated sheath is located in the blood vessel. The hemostatic valve includes a plurality of seals supported by a housing, including a front seal configured to provide a hemostatic seal with a guide wire, and a rear seal configured to provide a hemostatic seal with a range of sizes of implements and devices. The housing is configured to provide strain recovery for strain induced by displacement forces generated during movement of the implement or medical device through the plurality of seals.

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First Claim