Patent ID: 8066675

Claim:
A catheter adapter having a septum for providing a seal about a needle, the septum comprising: a one-piece septum having a distal portion having an outer diameter, and a proximal portion; a cavity between the distal and proximal portions, the cavity extending completely through the proximal portion of the one-piece septum; the proximal portion of the one-piece septum comprising an elongated sheath surrounding a proximal portion of the cavity, the proximal portion of the cavity having an inside diameter equal to or slightly smaller than an outer diameter of the needle; and a slit extending through and substantially sealing the distal portion of the one-piece septum; wherein the septum is housed within an inner lumen of the catheter adapter, and wherein the inner lumen of the catheter adapter has an inner diameter that is approximately equal to or less than the outer diameter of the distal portion of the one-piece septum.