MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. THUNDERBEAT 5 MM, 20 CM, FRONT-ACTUATED GRIP TYPE S; ULTRASONIC SURGICAL DEVICE

Model Number	TB-0520FCS
Medical Device Problem Code	Improper or Incorrect Procedure or Method (2017)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/11/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was returned to olympus for inspection.A root cause could not be identified.Based on the results of the investigation, it is likely the following led to the malfunction: usage problem identified.The most probable cause is the shelf life / expiration date was exceeded.The event can be prevented by following the instructions for use which state: do not use the thunderbeat instrument if the ¿use by¿ date printed on the sterile pack has passed.Otherwise, inflammation of tissue and infection may result.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor field performance for this device.
Event or Problem Description
The customer returned the thunderbeat to the service center for a separate issue.During the device analysis, the olympus service repair technician indicated that a use of expired product was found.There was no patient harm.

• Brand Name: THUNDERBEAT 5 MM, 20 CM, FRONT-ACTUATED GRIP TYPE S
• Common Device Name: ULTRASONIC SURGICAL DEVICE
• 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: 25331122
• Report Number: 9614641-2026-00557
• Device Sequence Number: 9907456
• Product Code: GEI
• UDI-Device Identifier: 04953170383571
• UDI-Public: 04953170383571
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K211838
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/29/2026

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 Expiration Date: 11/30/2022
• Device Model Number: TB-0520FCS
• Device Lot Number: 9ZK09
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/14/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/29/2026
• Initial Report FDA Received Date: 05/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 12/09/2019
• 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): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown