External urine collection
A non-invasive way to collect urine without a tube inside the bladder
What is it, and what does it do?
An external urine-collection system gathers urine from outside the body. Unlike a Foley catheter, it does not enter the urethra or bladder. A soft external device collects urine as it leaves the body; gentle, continuous suction draws urine through tubing into a collection canister. A hospital may use wall suction, while a home or portable system uses a separate pump. Female and male external devices have different designs. It does not help a person empty a bladder that cannot release urine (urinary retention).
Why might someone need it?
- A person has urinary leakage or cannot get to a toilet easily during illness or limited mobility.
- The team wants to avoid or reduce time with an indwelling bladder catheter when an external option is appropriate.
- Nurses want a way to collect urine while protecting bedding and skin, recognizing that leaks can still occur and canister volumes may miss leaked urine.
What might families notice?
- A soft external wick or collector near the genital area; nothing is inserted into the urethra or bladder.
- A suction tube leading to a collection canister; a portable pump may be visible or hospital wall suction may be used.
- Nurses should check that the person, device, pads and bed linens remain clean and dry, and assess the skin for irritation.
What does it mean for my loved one?
An external urine collector can help some people stay dry and comfortable, but it is not a substitute for nursing checks, hygiene or prompt linen changes. If the device shifts, leaks, or is not changed as needed, someone can remain in urine-soaked bedding. Prolonged moisture may irritate skin or contribute to skin breakdown, and being left wet can compromise comfort and dignity. Someone who is confused, sedated or unable to call for help especially needs proactive checks. Ask the care team to check the skin, gently clean and dry the person, replace a wet or soiled device and linens promptly, and consider another approach if it is not working.
Protecting skin, comfort and dignity
An external urine collector is not a substitute for personal care. If someone's skin, gown, pad or bedding is wet with urine, alert the nurse and ask for gentle cleaning, dry clothing and bedding, and an assessment of the device and the skin. Persistent moisture can lead to painful skin irritation and breakdown.
- Ask whether the skin is checked regularly for redness, soreness, moisture and pressure.
- Ask staff to assess leaks or a wet device and change it according to the manufacturer instructions and unit policy.
- Patients who cannot speak, move or use a call button need proactive checks rather than waiting for them to request help.
- Privacy, clean bedding and respectful explanations are part of good care.
Something you can say: “I'm concerned my loved one is lying in urine. Could someone please check their skin, clean and dry them, change the wet linens, and make sure the urine collection device is working?”
What to look for: common versions and parts
Female external catheter: a soft absorbent wick rests entirely outside the body against the perineal area; it is never placed inside the vagina or urethra.
Male external catheter: a different external device is secured around the external anatomy; model and skin-adhesion requirements vary.
Collection system: either a bedside suction pump and sealed canister, as shown in the photo, or suitable hospital wall suction and collection equipment.
Foley versus external collection: a Foley sits inside the bladder and can drain retained urine; an external collector only captures urine after it has been passed.
Descriptions are for recognition only. They do not identify or verify a particular patient's equipment.
For safety at the bedside
Please tell the nurse promptly if your loved one is wet, the bedding smells of urine, the skin looks red or sore, or the device appears displaced. Ask for gentle cleaning, dry bedding and a device/skin assessment. Do not reposition the wick, change suction settings or disconnect tubing yourself. Manufacturer instructions and the clinical team's judgment determine safe use and replacement.
Questions you can ask the ICU team
- Is this an external urine-collection system rather than a Foley catheter, and why was it chosen?
- How often will you check that my loved one's skin, gown and bedding are dry and comfortable?
- If there is leakage, who can assess the device and replace wet linens promptly?
- Has the skin under and around the device been checked for redness or irritation?
- Is the amount in the canister an accurate urine measurement for this patient, or might some have leaked?
- Would a different method of urine care better protect their comfort, skin and dignity?
Written from patient-education references. Content and images clinically reviewed by an advanced practice nurse, October 2026. Educational content may be updated as guidance changes.
MedlinePlus: Skin care and incontinenceCarePath provides general educational information and does not replace advice or decisions from your healthcare team. Legal & Educational Disclaimer
General education only. Equipment, medications, alarms and care plans differ from patient to patient. Never adjust or disconnect equipment. The treating team can explain the specific situation.