Patent ID: 8317775

Claim:
A urinary catheter assembly comprising: a catheter comprising a first end having a urine inlet, a second end having a urine outlet, and a urethra-insertable portion; a pliable sheath comprising a lumen, wherein the sheath encloses all or a portion of the insertable portion; one or more vents in fluid communication with the lumen and an environment outside the lumen; and an insertion stop location, wherein the pliable sheath further comprises a terminus coupled to the catheter at a location between the insertion stop location and the second end, the one or more vents present at one or more locations including through a collar formed in the terminus and through the pliable sheath, such that air escapes from the one or more vents as the catheter is inserted and the pliable sheath is gathered, wherein the one or more vents through the collar are passages extending through the structure of the collar, equally spaced about the collar.