Patent ID: 8381730

Claim:
A tracheal tube comprising: a conduit; and a balloon cuff associated with the conduit, the balloon cuff comprising: a proximal collar region in a wall of the balloon cuff attached to the conduit, the proximal collar region comprising a first indicator, wherein the first indicator is disposed about only a portion of a circumference of the proximal collar region and wherein the first indicator is disposed only on a portion of the proximal collar that is affixed to the conduit; an inflatable region; and a distal collar region in the wall of the balloon cuff attached to the conduit, the distal collar region comprising a second indicator, wherein the second indicator is disposed about only a portion of a circumference of the distal collar region and wherein the second indicator is disposed only on a portion of the distal collar that is affixed to the conduit, and wherein the first indicator and the second indicator are aligned along an imaginary axis substantially through the first indicator and the second indicator and along the length of the conduit.