An intravenous catheter device and system includes: (a) a medical tubing connector at a first end of the intravenous catheter device; (b) a length of flexible, non-kinking, supported medical tubing, a first end of the non-kinking tubing being connected to a first end of the medical tubing connector; (c) an intravenous catheter portion having a first end attached to a second end of the non-kinking tubing, the non-kinking tubing extending between the intravenous catheter portion and the tubing connector; and (d) a cylindrical-shaped cuff attached to a fast outside end portion of the intravenous catheter portion, and a second outside end portion of the non-kinking tubing; wherein a central channel of the intravenous catheter portion is in fluid communication with a channel of the non-kinking, flexible tubing when the intravenous catheter device is in use. This simplified abstract is not intended to limit, and should not be interpreted as limiting, the scope of the claims.