CER Endoscope Repair and Maintenance Questions and Answers 2 — Questions and Answers
Question 1: Which finding during visual inspection would indicate that an endoscope requires repair before further use?
- Minor surface discoloration of the control body handle
- A crack or abrasion in the insertion tube sheath (Correct answer)
- Slightly stiff angulation knobs
- A small scratch on the control body housing
Correct answer: A crack or abrasion in the insertion tube sheath
A crack or abrasion in the insertion tube sheath compromises the scope's water-tight integrity and must be repaired before use.
A crack or abrasion in the insertion tube sheath is a patient safety issue: it may allow pathogens to harbor in the damaged area and evade disinfection, and it risks fluid ingress causing internal damage. This defect would likely cause a leak test failure. The scope must be removed from service and tagged appropriately. Minor cosmetic scratches to non-functional surfaces (handle housing) generally do not require removal from service but should be documented.
Question 2: How should an endoscope be transported from the procedure room to the reprocessing area?
- Carried openly by the insertion tube
- Enclosed in a leak-proof container or covered tray to contain contamination (Correct answer)
- Wrapped in a sterile drape
- Transported after rinsing with tap water in a clean basin
Correct answer: Enclosed in a leak-proof container or covered tray to contain contamination
Contaminated endoscopes must be transported in closed, leak-proof containers to prevent environmental contamination and protect personnel.
SGNA guidelines require that contaminated endoscopes be transported in leak-proof, covered containers (typically a rigid container or covered tray) from the point of use to the reprocessing area. This prevents aerosolization of contaminants, protects the endoscope from physical damage, and maintains the safety of personnel who may be in the transport path. The container itself must be cleaned and disinfected regularly.
Question 3: What is 'scope creep' in the context of endoscope maintenance?
- Gradual growth of biofilm inside channels
- The inappropriate extension of an endoscope's service life beyond manufacturer recommendations (Correct answer)
- A cleaning technique for the bending section
- When an endoscope is used for an unintended body cavity
Correct answer: The inappropriate extension of an endoscope's service life beyond manufacturer recommendations
Scope creep refers to extending the use of an endoscope beyond its validated service life or ignoring repair needs, compromising patient safety.
'Scope creep' is industry slang for the practice of continuing to use an endoscope that has exceeded its recommended service interval or that has documented defects. Manufacturers validate service intervals based on number of uses, reprocessing cycles, and inspection findings. Using worn or damaged endoscopes increases risk of reprocessing failure, patient perforation or injury, and cross-contamination. Facilities must track each scope's service history.
Question 4: What information should be documented when an endoscope is sent out for repair?
- Only the cost of repair
- Scope ID, reason for repair, date removed from service, decontamination confirmation, and facility contact (Correct answer)
- Patient name who last used the scope
- Only the technician who sent the scope
Correct answer: Scope ID, reason for repair, date removed from service, decontamination confirmation, and facility contact
Complete documentation ensures traceability, confirms the scope was decontaminated before shipping, and enables proper tracking.
Regulatory and safety requirements mandate thorough documentation when sending scopes for repair: unique scope identifier, reason for removal, date, confirmation that the scope was cleaned and decontaminated (to protect repair technicians), name of person completing the process, and intended repair facility. This documentation also supports quality assurance tracking and cost management.
Question 5: How often should preventive maintenance be performed on an automated endoscope reprocessor (AER)?
- Only when a malfunction occurs
- According to the AER manufacturer's IFU schedule, typically daily checks and periodic service intervals (Correct answer)
- Once annually regardless of use frequency
- After every 100 reprocessing cycles
Correct answer: According to the AER manufacturer's IFU schedule, typically daily checks and periodic service intervals
AER preventive maintenance follows the manufacturer's IFU schedule to ensure reliable performance and patient safety.
AER maintenance has multiple levels: daily operational checks (water quality tests, chemical concentration tests, filter integrity), periodic validation tests (temperature verification, cycle documentation review), and manufacturer-specified service intervals for filter replacement, pump maintenance, and disinfectant delivery system calibration. Deviating from the manufacturer's maintenance schedule can lead to inadequate disinfection cycles without triggering alarms.
Question 6: What is the consequence of using an endoscope with a damaged angulation wire?
- Only cosmetic differences in appearance
- Reduced ability to deflect the distal tip, compromising diagnostic accuracy and potentially causing patient injury (Correct answer)
- The scope reprocesses normally with no clinical impact
- Increased image resolution
Correct answer: Reduced ability to deflect the distal tip, compromising diagnostic accuracy and potentially causing patient injury
A damaged angulation wire impairs tip deflection, reducing visualization and increasing the risk of inadequate procedure performance or patient injury.
Angulation wires run the length of the insertion tube from the angulation knobs to the bending section. Damage (kinking, fraying, or breakage) impairs the clinician's ability to steer the scope, potentially preventing visualization of target lesions or causing the bending section to move unpredictably, which can injure the patient. Additionally, damaged wires may pierce the insertion tube sheath from within. Scopes with suspected angulation wire damage must be removed from service.
CER Endoscope Repair and Maintenance Questions and Answers 2
Which finding during visual inspection would indicate that an endoscope requires repair before further use?