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.
, often used in patients with neurogenic bladder or spinal cord injury, lessens the risk of urinary tract infection. Intermittent catheterization is preferable to indwelling urethral or suprapubic catheters in patients with bladder emptying dysfunction.