Patent ID: 8581577

Claim:
An inspection assembly for insertion inspection of an elongate hollow member, the inspection assembly including: a probe head including at least one sensor for sensing a characteristic of the elongate hollow member as the probe head is moved internally within the elongate hollow member; and a flexible shaft connected to the probe head and transmitting a motive force to the probe head to move the probe head within the elongate hollow member, the flexible shaft enclosing at least one wire operatively connected between the probe head and at least one component external to the elongate hollow member for sensory operation of the at least one sensor, wherein the flexible shaft having a length extending between the probe head and a location external to the elongate hollow member, the flexible shaft including an outer tubing that extends along the entire length of the flexible shaft and is a one-piece, continuous and monolithic member, the flexible shaft having corrugations spaced along the entire length.