MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. SINGLE USE MECHANICAL LITHOTRIPTOR V

Model Number	BML-V437QR-30
Medical Device Problem Codes	Failure to Cut (2587); Mechanical Jam (2983)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/28/2026
Type of Reportable Event	Serious Injury
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 that during an endoscopic retrograde cholangiopancreatography (ercp) procedure, this single use mechanical lithotriptor basket failed to crush a stone.The physician then used the emergency handle.The stone was crushed and the basket was retrieved from the patient.There were no further reports of patient harm.
Event or Problem Description
No additional information received from the customer.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.Corrected fields: d4.Updated fields:d8, h2, h3, h6, h11.The device was not returned to olympus and the complaint was not confirmed.A definitive root cause could not be identified and the most probable cause was not established.Olympus will continue to monitor field performance for this device.

• Brand Name: SINGLE USE MECHANICAL LITHOTRIPTOR V
• Common Device Name: SINGLE USE MECHANICAL LITHOTRIPTOR
• 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: 25191988
• Report Number: 9614641-2026-00515
• Device Sequence Number: 10384891
• Product Code: LQC
• UDI-Device Identifier: 04953170218415
• UDI-Public: 04953170218415
• Combination Product (Y/N): N
• Initial Reporter Country: NZ
• PMA/510(K) Number: CLASS2-EXMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Nurse
• Type of Report: Initial,Followup
• Report Date (Section B): 06/11/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: BML-V437QR-30
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/28/2026
• Supplement Date Received by Manufacturer: 06/03/2026
• Initial Report FDA Received Date: 05/15/2026
• Supplement Report FDA Received Date: 06/11/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown