MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. SINGLE USE 3-LUMEN SPHINCTEROTOME V; SINGLE USE 2-LUMEN SPHINCTEROTOME

Model Number	KD-V411M-0725
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/06/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Event or Problem Description
It was reported the single-use sphincterotome's knife head was fractured.This was observed during set-up of an endoscopic retrograde cholangiopancreatography procedure.There were no reports of patient harm.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the approved final investigation.Based on the results of the investigation, and since the device malfunction was not confirmed during evaluation, the definitive root cause of the reported issue could not be determined.Olympus will continue to monitor field performance for this device.
Event or Problem Description
No additional information received from customer.

• Brand Name: SINGLE USE 3-LUMEN SPHINCTEROTOME V
• Common Device Name: SINGLE USE 2-LUMEN SPHINCTEROTOME
• Manufacturer (Section D): AOMORI OLYMPUS CO., LTD.; 2-248-1 okkonoki; kuroishi-shi, aomori 036-0 357; JA 036-0357
• Manufacturer (Section G): AOMORI OLYMPUS CO., LTD.; 2-248-1 okkonoki; kuroishi-shi, aomori 036-0 357; JA 036-0357
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 24190645
• Report Number: 9614641-2026-00103
• Device Sequence Number: 13224261
• Product Code: KNS
• UDI-Device Identifier: 04953170184031
• UDI-Public: 04953170184031
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K250945
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 02/18/2026

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: Health Professional
• Device Model Number: KD-V411M-0725
• Device Lot Number: 49K06(D6WEP)
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/12/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 01/06/2026
• Supplement Date Received by Manufacturer: 01/30/2026
• Initial Report FDA Received Date: 01/27/2026
• Supplement Report FDA Received Date: 02/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/06/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown