Foley's catheter is a hollow, sterile tube inserted in the urinary bladder to drain urine,frist invented by frederic foley in boston in year of 1930,since that year foley's cathter serving us without much change in a versatile manner. Foley's catheters are made from rubber, natural rubber and silicone, in routine use, this is having 2 lumens but for irrigation purpose 3 lumen cathters also available. These are calibrated in french size,usually available from 10f to 24 f size,more french size means bigger the catheter.
1f=.3vmm means 24 f catheter is 8 mm in diameter,and in different colors to denote the size. Uses of foley's cathters are many, some important are : Anaesthesized or sedated patients. In comatosed patient in icu or at home Incontinent patients..soiling cloths Acute urinary retention by any cause as in bph,prostatic malignancy, feacal impaction and neurogenic disorder…