US Patent 10309864 Exterior tubing monitoring devices

Systems, devices, and methods for monitoring flexible tubing connections are described. An example flexible tube device may include a pair of ends and an opening disposed at one of the ends. The opening may define a receiving section to receive a male fitting. The flexible tube may also include a sensing device extending around an exterior portion of the flexible tube at the receiving section. The sensing device may be configured to sense an expansion or a contraction of the flexible tube at the receiving section.