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Asset Type
Manufacturer
Model
What This Guide Helps With
Identifies causes of visual distortions, artifacts, or image degradation that reduce clarity and accuracy during endoscopic procedures.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Confirm the system is not in use on an active patient. Move the procedure to a backup system before troubleshooting.
Inspect Camera Head and Lens
- Check for smudges, condensation, or debris on the lens or protective cover.
- Clean with approved lens wipes; image clarity should improve if surface contamination is the cause.
Verify Cable and Connector Integrity
- Disconnect and reconnect the camera head cable to the processor.
- Inspect for bent pins, loose connections, or damaged shielding.
- A secure connection should restore normal image signal.
Check Light Source and Fiber Optic Connection
- Ensure the light cable is fully seated and free of kinks.
- Verify the light source intensity and confirm no flickering occurs.
- Image artifacts caused by uneven illumination should resolve after correcting the connection.
Confirm Display Settings and Processor Output
- Verify white balance, brightness, and contrast settings on the processor.
- Reset settings to default if necessary. Misconfigured settings can mimic image artifacts.
Swap Camera Head or Processor (if available)
- Use a known-good camera head with the processor or a different processor with the same camera head.
- If artifacts persist on a different combination, the issue may be the remaining component.
Observe for Intermittent or Environmental Factors
- Look for electromagnetic interference or nearby equipment causing signal noise.
- Ensure no extreme temperatures or humidity are affecting the optics or electronics.
If the Problem Persists
External causes have likely been ruled out. The device should be:
- Removed from service
- Labeled Out of Service
- Sent for repair or bench evaluation
Knowing when to stop prevents further risk to patient safety and avoids unnecessary troubleshooting.
Clinical Use Tip
- Never troubleshoot during an active procedure.
- Always move the patient to an alternate system before any adjustments.
- Ensure the environment is clean and free of bright reflections or moisture that could affect optics.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Surgical team reports blurry image with intermittent visual artifacts."
Cause
What was observed during troubleshooting.
Example:
"Lens contamination and loose fiber optic connection identified."
Resolution
What action was taken.
Example:
"Cleaned lens and secured light cable; image restored to normal."
Helpful Details to Include (If Known)
- Lens and camera head cleaned
- Cable connections inspected
- Light source checked
- Image settings verified
- Final device status: functioning
Final Thought
Logical, stepwise troubleshooting protects patient safety, preserves device integrity, and ensures proper escalation. Documenting each step demonstrates thorough Clinical Engineering practice and supports accountability.
That is successful troubleshooting.