If a factor in raising the productivity of labor is not used in the production process, it is referred to as a reserve for increasing labor productivity. Reserves are classified according to their association with a particular production process, an economic sector, or the national economy.
Definition. 1  Urinary catheterization is the insertion of a catheter into a patient's bladder. The catheter is used as a conduit to drain urine from the bladder into an attached bag or container.
Main Image: A coude catheter is a urinary catheter. Urinary catheter is a latex, polyurethane or silicone tube that is inserted into a patient's bladder via his or her urethra in an urinary catheterization . Catheterization allows the patient's urine to drain freely from the bladder for collection.