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...http://www.google.es/patents/US20070167901?utm_source=gb-gplus-sharePatente US20070167901 - Self-sealing residual compressive stress graft for dialysis
Self-sealing residual compressive stress graft for dialysis
