Urinary Catheter Care and Insertion

Urinary Catheter Care and Insertion

Urinary catheterization is one of the most frequently performed clinical procedures in nursing. Because it carries a significant infection risk, practical nurses must master sterile technique, know how to maintain a closed drainage system, and recognize early signs of catheter-associated urinary tract infection (CAUTI).

Why Catheterization Is Done

An indwelling urinary catheter (Foley catheter) is inserted when a patient cannot void independently, requires accurate urine output measurement, or needs bladder decompression before or after certain procedures. The decision to insert a catheter always weighs benefit against risk. Every unnecessary catheter day increases CAUTI risk, so catheters must be removed as soon as they are no longer clinically needed. LPNs participate in catheter care and insertion under the direction of the supervising RN or provider and within their state scope of practice.

The Catheter Kit: Know Before You Open

A standard sterile Foley catheter kit typically contains:

• Sterile drapes (one fenestrated, one plain) — create and extend the sterile field
• Cleansing supplies (antiseptic swabs or cotton balls with solution) — reduce skin flora at the urethral meatus
• Sterile gloves — maintain sterility during the procedure
• Foley catheter (sized appropriately, commonly 14–16 Fr for adults) — hollow tube that drains urine
• Prefilled syringe (sterile water) — inflates the retention balloon after placement
• Sterile specimen cup — collects a urine sample if ordered
• Lubricant — eases catheter insertion and reduces urethral trauma
• Drainage bag with tubing — collects and measures urine output

Identify every item before opening to prevent scrambling once gloves are on.

Setting Up the Sterile Field

A sterile field is only as safe as the hands that create it. Before gloving, perform hand hygiene. Open the outer kit packaging using only the edges; never reach over the sterile field. Don sterile gloves using the closed or open gloving technique without contaminating the outer surface. Arrange supplies within the field without reaching across it. Once the sterile field is established:

• Only sterile items touch the sterile field.
• Any item that touches a non-sterile surface is contaminated and must be replaced.
• A sterile field that is wet, torn, or left unattended is considered contaminated.
• If you are unsure whether contamination occurred, treat the field as contaminated and start over.

Catheter Insertion: Step-by-Step Logic

1. Verify the order and patient identity using two identifiers; explain the procedure to the patient.

2. Position the patient — female: dorsal recumbent (supine, knees bent, feet flat); male: supine with legs extended.

3. Perform hand hygiene and open supplies onto the sterile field.

4. Don sterile gloves.

5. Place drapes — plain drape under the patient, fenestrated drape over the perineum.

6. Cleanse the meatus — for females, use dominant hand to separate labia and non-dominant hand to cleanse with each swab in a front-to-back motion (one swipe per swab). For males, retract the foreskin if present and cleanse in a circular outward motion. The non-dominant hand is now contaminated and must not touch sterile supplies.

7. Lubricate the catheter tip and pick it up with the dominant (sterile) hand, holding the drainage end over the sterile collection tray.

8. Insert the catheter gently until urine flows, then advance approximately 1–2 more inches to ensure the balloon is fully inside the bladder.

9. Inflate the balloon with the prefilled syringe of sterile water per the manufacturer's label on the catheter. Never inflate with air or saline unless the kit specifies otherwise.

10. Gently retract the catheter until resistance is felt, confirming balloon placement against the bladder neck.

11. Connect to the closed drainage bag and secure tubing to the inner thigh with tape or a catheter securement device to prevent traction on the urethra.

12. Position the drainage bag below bladder level at all times — never on the floor, never raised above the bladder.

Maintaining the Closed Drainage System

A closed system means the catheter tubing and drainage bag are never disconnected unless absolutely necessary. Breaking the connection introduces bacteria. Key maintenance rules:

• Empty the drainage bag every eight hours or when two-thirds full using a separate, clean measuring container — never let the drain spout touch the container.
• Keep tubing free of kinks and loops that could block flow.
• Perform meatal hygiene with soap and water during routine bathing — do not use antiseptic solutions routinely.
• Document urine color, clarity, odor, and output each shift.

Recognizing CAUTI

CAUTI is one of the most common healthcare-associated infections. Classic signs and symptoms include:

• Fever (new or worsening)
• Suprapubic tenderness or pain
• Cloudy, dark, or foul-smelling urine
• Hematuria (blood in urine)
• Patient complaint of burning or discomfort around the catheter

When you identify these findings, document them clearly and report to the supervising RN promptly using SBAR (Situation, Background, Assessment, Recommendation). You are not diagnosing infection — you are escalating a clinical concern so the RN and provider can evaluate and order appropriate interventions.

Safety Priorities

• Never force a catheter against resistance — stop and notify the RN.
• Confirm balloon deflation completely before removal.
• Document insertion date; early removal is the single best CAUTI prevention.
• Follow your facility's CAUTI prevention bundle (often called a "bundle") which includes hand hygiene, sterile insertion, and daily necessity review.
• Maintain patient privacy and dignity throughout the procedure.