MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. BALLOON

Model Number	MAJ-1351
Medical Device Problem Codes	Device Slipped (1584); Incomplete or Inadequate Connection (4037)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/08/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported the balloon came loose and remained hanging at the end of the scope during a diagnostic, endobronchial ultrasound procedure.The procedure was completed with a replacement balloon.There were no reports of patient harm.
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
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 was not returned for 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 the customer.

• Brand Name: BALLOON
• Common Device Name: BALLOON
• 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: 24236063
• Report Number: 9614641-2026-00133
• Device Sequence Number: 13305835
• Product Code: PSV
• UDI-Device Identifier: 04953170463938
• UDI-Public: 04953170463938
• Combination Product (Y/N): N
• Initial Reporter Country: NO
• PMA/510(K) Number: K042140
• 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): 03/22/2026

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: MAJ-1351
• Device Lot Number: 53K
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/19/2026
• Supplement Date Received by Manufacturer: 02/26/2026
• Initial Report FDA Received Date: 02/02/2026
• Supplement Report FDA Received Date: 03/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/01/2025
• 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
• Patient Sex: Unknown