MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. THUNDERBEAT 5 MM, 35 CM, PISTOL GRIP; ULTRASONIC SURGICAL DEVICE

Model Number	TB-0535PC
Medical Device Problem Codes	Break (1069); Detachment of Device or Device Component (2907)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/24/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the tip of the subject device broke off and was retrieved from the patient during a therapeutic total laparoscopic hysterectomy procedure.The procedure was completed with a back-up device.There were no reports of patient harm.
Additional Manufacturer Narrative
This report has been submitted by the importer under this mdr report number 2429304-2025-00135.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
No additional information received from the customer.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the final investigation.The device was returned to olympus for inspection and the reported failure was confirmed.A definitive root cause could not be identified.Based on the results of the investigation, the cause is traced to component failure expected or random component failure without any design or manufacturing issue.Olympus will continue to monitor field performance for this device.

• Brand Name: THUNDERBEAT 5 MM, 35 CM, PISTOL GRIP
• 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: 21868197
• Report Number: 9614641-2025-00548
• Device Sequence Number: 4721722
• Product Code: GEI
• UDI-Device Identifier: 04953170308659
• UDI-Public: 04953170308659
• Combination Product (Y/N): N
• Initial Reporter State: KY
• PMA/510(K) Number: K132703
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 11/10/2025

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-0535PC
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/09/2025
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/24/2025
• Supplement Date Received by Manufacturer: 10/31/2025
• Initial Report FDA Received Date: 04/18/2025
• Supplement Report FDA Received Date: 11/10/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Female