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.
See the list below: 1  When placement of a urethral catheter is contraindicated or unsuccessful, percutaneous suprapubic urinary bladder catheterization is a commonly performed procedure to relieve urinary retention. 2  This topic describes the Catheter over needle technique.