OU-106 Urometer: Precision Urology Device for AKI Monitoring & CAUTI Prevention
The Precision Behind Hospital-Grade Urometry
In urology and critical care, the OU-106 urometer urine bag represents a leap in diagnostic precision. With a 250ml measured volume chamber and 150cm kink-resistant tube, this CAUTI prevention device catches acute kidney injury 2 – 46 hours earlier than standard drainage bags. For ICU teams, this isn’t just equipment; it’s the difference between detecting organ failure and waiting until dialysis becomes necessary.
Why 250ml Urometer Accuracy Matters
A standard urine bag shows 100ml markings. The OU-106’s 250ml chamber gives ±5ml hourly accuracy, a game-changer in AKI monitoring.
When a patient’s urine output drops from 50ml/hour to 35ml/hour, standard bags register “normal”. The OU-106 flags the decline within minutes. That 15ml/hour drop signals early acute kidney injury at the stage when intervention works.
Clinical Impact:
For a 70kg patient (normal output: 35 – 70ml/hour):
- 50ml/hour; 30ml/hour: Early oliguria detected by OU-106; doctor adjusts IV fluids immediately
- Standard bag with 100ml markings: Misses the signal until output crashes below 20ml/hour (harder to reverse)
Research confirms: The precise urometer accuracy (monitoring urine output, or UO) detects 36% more cases of acute kidney injury (AKI) than serum creatinine (SCr) blood tests alone. Furthermore, UO criteria enable diagnosis 2.4 to 46 hours earlier than blood testing, as increases in serum creatinine may lag after acute functional impairment by 48 hours or longer. In urology, accuracy directly affects patient outcomes.
What the 250ml chamber enables:
- Hourly monitoring: Track output trends in real time
- Early intervention: Spot oliguria before organ failure cascades
- Fluid management: Doctors adjust IV therapy based on actual data
- Post-op safety: In cardiac/trauma surgery, catch output changes that matter
Why 150cm Tube Catheter Design Prevents Backflow
The 150cm kink-resistant tube is engineered for gravity-dependent drainage without backflow. This is CAUTI prevention physics.
Why length matters:
- Shorter tubes (90cm): Force bag high, near bladder level; urine flows backward, increasing UTI risk
- Longer tubes (>150cm): Create slack loops where urine pools and bacterial biofilm grows
- OU-106’s 150cm sweet spot: the bag hangs below the bladder; urine flows downward only; zero pooling zones
Real-world performance:
The soft, flexible PVC (not rigid tubing) prevents kinks while allowing patient mobility. A kinked standard tube requires replacement. The OU-106’s flexible design allows gentle straightening, “milking” to clear blocks, and reuse after repositioning, reducing replacement costs and infection risk simultaneously.
2000ml Capacity: Duration & Efficiency
The 2000ml total bag capacity (250ml chamber + 1750ml storage) determines ICU workflow efficiency.
Duration breakdown:
- Normal output (50ml/hour): 40-hour bag life
- High output (75ml/hour post-op): 26-hour duration
- Oliguria (15ml/hour): Extends beyond 48 hours
Why this matters:
- Fewer disconnections = Lower CAUTI risk: Each disconnect increases infection risk 1.3 – 2x
- Staff efficiency: Less frequent emptying during shifts
- Cost control: One OU-106 covers 18 – 24 hours vs. 3 – 4 standard bag changes daily
Maintenance protocol: Empty at 2/3 full (1300ml) to prevent overflow; replace the entire system every 24 hours.
Closed Circuit Urometer: Universal Connector & Infection Prevention
The universal tapered connector fits all standard Foley catheters (14Fr – 20Fr) without adapters. This single-connection design prevents CAUTI.
Why closed-circuit matters:
- No adapters: Eliminates extra connection points where bacteria enter
- Tapered fit: Secure attachment without forcing
- Integrated sampling port: Draw sterile urine cultures WITHOUT disconnecting—gold standard for AKI diagnosis
- Screw-type outlet: Safe emptying; prevents accidental spills
Hospital economics: One catheter-associated UTI costs ₹50,000 – 80,000 to treat. One prevented CAUTI pays for 300+ OU-106 urometers.
Troubleshooting: OU-106 Common Issues
Chamber Won’t Drain
- Gently tap to dislodge anti-reflux valve
- Lower bag position slightly
- If unresolved, replace the system
No Output in Chamber
- Trace 150cm tube for kinks; straighten gently
- Check connector fit
- “Milk” tubing towards bag to clear blockage
Persistent Cloudiness
- Replace immediately; biofilm indicates infection risk
- Do not reuse
Bottom Outlet Leakage
- Do not reuse; safety risk
- Replace system
Who Uses OU-106?
Essential for ICUs, cardiac surgical units, acute kidney injury wards, trauma centers, postoperative recovery, and dialysis clinics. For B2B procurement, the OU-106 offers lowest total cost of ownership when CAUTI prevention and early AKI detection are factored in.
| Spec | Value | Urology Benefit |
| 250ml Urometer | ±5ml accuracy | Early AKI detection |
| 150cm Tube | Kink-resistant | Backflow prevention |
| 2000ml Capacity | 18 – 24 hour duration | ICU efficiency |
| Closed Circuit | Universal connector | CAUTI prevention |
Stock the Omex OU-106 for your facility: omexmedicaltechnology.co.in/shop/urology/urometer-urine-bag/
Omex Medical Technology, India’s ISO 13485:2016 & WHO-GMP certified manufacturer for decades, designs the OU-106 urometer with hospital-grade precision built on 30+ years of expertise in critical care urology devices that serve over 2,000 healthcare facilities globally.
FAQs
1: How often do you empty the OU-106?
Empty at 2/3 full or every 4-6 hours. Replace the entire system every 24 hours (ICU). Never let it overfill, or the anti-reflux valve will get stuck.
2: What urine output is normal?
- Normal: 35–70 ml/hour (840–1680 ml/day)
- Alert doctor: <35 ml/hour
- Urgent: <10 ml/hour (kidney failure risk)
Call a doctor if output drops suddenly or stays less than 20 ml/hour.
3: How to connect safely?
- Wash hands 20 seconds
- Don sterile gloves
- Remove cap from connector
- Insert at angle, straighten, push gently
- Hang bag below knee level
- Check entire tube for kinks
4: Can we use it at home?
Usually no. OU-106 is for ICUs/hospitals. Cost: ₹150–250/day. Use a standard bag at home unless a doctor orders strict monitoring (rare).
5: Urometer vs. Uroflowmeter?
- Urometer = How much urine (volume)
- Uroflowmeter = How fast urine flows (speed)
Different tools. Ask your doctor which you need.
6: Why urine output over creatinine?
Urine output catches kidney failure 2–46 hours sooner than blood tests. Early warning = better treatment outcomes.

