Importance

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Abstract

Vascular access systems for performing hemodialysis are disclosed. Some embodiments relate to vascular access grafts comprising an instant access or self-sealing material reinforced with expanded PTFE to resist stretching of the instant access material and thereby resist leakage associated with stretching or bending. The graft may comprise two end segments comprising ePTFE without the instant access material to allow easier anastomosis of the graft to veins and arteries. The graft may have a unibody design or have modular components that may be joined together to create a graft with customized length or other features. One or more sections of the graft may also be cut or trimmed to a custom length.

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First Claim