self-retaining urinary catheter

См. также в других словарях:

• catheter — 1. A tubular instrument to allow passage of fluid from or into a body cavity or blood vessel. SEE ALSO: line (4). 2. Especially a c. designed to be passed through the urethra into the bladder to drain it of retained …   Medical dictionary

• retention — 1. The keeping in the body of what normally belongs there, especially the retaining of food and drink in the stomach. 2. The keeping in the body of what normally should be discharged, as urine or feces. 3. Retaining that which has been learned so …   Medical dictionary