MAUDE Adverse Event Report: AIZU OLYMPUS CO., LTD. COLONOVIDEOSCOPE

Model Number	CF-EZ1500DL
Medical Device Problem Code	Failure to Clean Adequately (4048)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/29/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported the colonovideoscope had a separate issue.During the initial evaluation of the device, a white residue was observed in the air water supply and the auxiliary water flow.There was no patient involvement.
Additional Manufacturer Narrative
Based on the final investigation of the device, the white residue identified in the air water supply and the auxiliary water flow during the initial evaluation was confirmed.A root cause could not be identified.Based on the results of the investigation, the most probable cause of the white residue in the air water supply and the auxiliary water flow could not be determined.Olympus will continue to monitor the field performance of this device.Should any additional relevant information become available, a supplemental report will be submitted.

• Brand Name: COLONOVIDEOSCOPE
• Common Device Name: COLONOVIDEOSCOPE
• Manufacturer (Section D): AIZU OLYMPUS CO., LTD.; 3-1-1 niiderakita; aizuwakamatsu-shi, fukushima 965-8 520; JA 965-8520
• Manufacturer (Section G): AIZU OLYMPUS CO., LTD.; 3-1-1 niiderakita; aizuwakamatsu-shi, fukushima 965-8 520; JA 965-8520
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; +1(508)207-7661
• MDR Report Key: 50435647
• Report Number: 9610595-2026-69258
• Device Sequence Number: 13053332
• Product Code: FDF
• UDI-Device Identifier: 04953170425158
• UDI-Public: 04953170425158
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K250432
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 08/25/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Other
• Device Model Number: CF-EZ1500DL
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/07/2026
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: 08/07/2026
• Initial Report FDA Received Date: 08/25/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/10/2026
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown