indwelling catheter /in″dweling/ [L, in, within; AS, dwellan, to remain] , a urinary catheter designed to be left in place for continuous drainage of urine. It is held in place by an inflatable balloon that prevents expulsion. Compare straight catheter. Kinds include Foley catheter, three-way irrigation catheter, suprapubic catheter. See also self-retaining catheter.
