Patent ID: 8690859

Claim:
A sealing assembly for a catheter comprising: a lumen providing passage into a main lumen of the catheter when the sealing assembly is connected to the catheter, the lumen of the sealing assembly including a proximal opening, a proximal port portion and a seal zone portion, the proximal port portion extending from the proximal opening distally to the seal zone portion; a proximal terminal end having a tapered profile and defining a perimeter of the proximal opening of the lumen of the sealing assembly, the proximal terminal end including an exposed sealing area, and the perimeter of the proximal opening including a first portion and a second portion, the first portion protruding proximally from the second portion by virtue of the tapered profile of the proximal terminal end; a relatively rigid part including an attachment feature for removably connecting the sealing assembly to a hub of the catheter; and a relatively soft part forming at least the seal zone portion of the lumen of the sealing assembly and the exposed sealing area of the proximal terminal end; wherein the exposed sealing area forms the first portion of the perimeter of proximal opening of the lumen of the sealing assembly and is exposed by virtue of the first portion of the perimeter of the proximal opening protruding proximally from the second portion of the perimeter.