Catheter Assembly Including Sealing Member

[0017]In the discussion that follows, the term “proximal” or “trailing” will refer to the portion of a structure that is closer to a clinician, while the term “distal” or “leading” will refer to the portion of a structure that is farther from the clinician. As used herein, the term “subject” refers to a human patient or other animal. The term “clinician” refers to a doctor, nurse or other care provider and may include support personnel.

[0018]FIG. 1 illustrates one embodiment of a catheter assembly 10. The catheter assembly 10 includes a catheter 50, a hub assembly 20 and first and second extension tubes 30, 40 extending proximally from the hub assembly 20. The hub assembly 20 includes a hub 26 and one or more hub extensions 22, 24 which extend distally from the hub 26. The hub extensions 22, 24 each define substantially D-shaped lumens 22L, 24L therethrough. In particular, hub extensions 22, 24 each have a proximal end 22P, 24P and a distal end 22D, 24D. At least a portion of the hub a