a support for reinforcing a fluid infusion tube to prevent it from kinking during a surgical operation . the support runs to the distal end of the tube and is either embedded in the wall of the tube , adhered or heat sealed to the tube either on the tube &# 39 ; s interior surface or on the exterior surface , or loosely retained within the lumen . the support may be coiled about the exterior or interior of the tube to provide the desired rigidity to prevent kinking .