Most of Ontario Canada is in the Eastern Time Zone. The areas of Ontario, west of 90 west longitude, are in the Central Time zone.
catheter [(kath-uh-tuhr)] A thin tube inserted into one of the channels or blood vessels in the body to remove fluids, create an opening into an internal cavity, or administer injections.
1 Standard catheter. 2  This is a thin, flexible, hollow tube that is inserted through the urethra into the bladder and allows the urine to drain out. 3  The standard catheter is used for intermittent self-catheterization. 4  Indwelling Foley catheter.