Foley’s bichannel self retaining catheter

Name: Foley’s bichannel self retaining catheter

Why self retaining? – due to presence of ballon

Where is the ballon? – near the tip

How ballon is inflated? – by distilled water / normal saline / air

Why bichannel? – 2 channel

  • Straight channel for drainage of urine
  • oblique channel to inflate the ballon

Sterilization: GAMMA radiation


  • Continuous drainage of urine –
  • Unconscious patient
  • Prostatic operation
  • Major operation
  • Measure urine output
  • Maintenance of urine input-output chart
  • Irrigation of Urinary bladder after prostectomy

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