MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. THUNDERBEAT OPEN EXTENDED JAW; ULTRASONIC SURGICAL DEVICE

Model Number	TB-0920OE
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/10/2024
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that during an open liver surgery under sedation, the thunderbeat's probe broke and approximately 1cm got stuck in the liver.It was retrieved with no damage to the surrounding tissue and the procedure was completed using an olympus backup device.There were no reports of further patient harm.
Additional Manufacturer Narrative
The device was not returned to olympus for inspection therefore the reported failure was not confirmed.The complaint was not confirmed due to no device return.The cause cannot be established due to no findings available.The most probable cause of the complaint is: cause not established; which indicates that the investigation findings do not lead to a clear conclusion about the cause of the reported adverse event.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor field performance for this device.

• Brand Name: THUNDERBEAT OPEN EXTENDED JAW
• 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: 21119410
• Report Number: 9614641-2025-00032
• Device Sequence Number: 7679606
• Product Code: GEI
• UDI-Device Identifier: 04953170343315
• UDI-Public: 04953170343315
• Combination Product (Y/N): N
• Initial Reporter Country: NO
• 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,Health Professional,User Facility
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 01/09/2025

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: TB-0920OE
• Device Lot Number: 42K
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/10/2024
• Initial Report FDA Received Date: 01/09/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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: Unknown
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown