Cannula securing devices and cannula needle and catheter covers including such devices. wherein a cannula securing device comprises a tubular section shaped internally to engage and hold securely a cannula needle bushing, the tubular section having a top and a bottom, and a securing member for attaching the securing device to a patient's skin in a substantially perpendicular orientation to the skin, wherein the securing device has an attachment surface substantially co-planar with the tubular section bottom.