MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. THUNDERBEAT 5 MM, 35 CM, FRONT-ACTUATED GRIP TYPE S; ULTRASONIC SURGICAL DEVICE

Model Number	TB-0535FCS
Medical Device Problem Code	Naturally Worn (2988)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/08/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was returned to olympus for inspection.Based on the results of the investigation, the reported issue may have occurred because the output activation in seal & cut mode was performed with the grasping section closed without grasping any tissue (including after tissue resection), which resulted in wear of the tissue pad.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
It was observed during the device evaluation that the tissue pad on the thunderbeat device had worn out.There was no patient involvement.

• Brand Name: THUNDERBEAT 5 MM, 35 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: 22690141
• Report Number: 9614641-2025-01309
• Device Sequence Number: 8912212
• Product Code: GEI
• UDI-Device Identifier: 04953170383540
• UDI-Public: 04953170383540
• Combination Product (Y/N): N
• 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: Other
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 08/01/2025

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: TB-0535FCS
• Device Lot Number: 4YK
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/12/2025
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 07/08/2025
• Initial Report FDA Received Date: 08/01/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/12/2024
• 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