MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. SONOSURG CURVED SCISSORS,HF,PISTOL GRIP,5MM X 34CM; ULTRASONIC SURGICAL DEVICE

Model Number	T3905
Medical Device Problem Codes	Peeled/Delaminated (1454); Material Separation (1562)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/01/2023
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported to olympus after the second and third cases using sonosurg curved scissors, hf, pistol grip,5mm x 34cm, the tissue pad part turned up during a therapeutic laparoscopic cholecystectomy procedure.The procedure was completed with the same equipment.There were no reports of patient harm or impact associated with this event.
Additional Manufacturer Narrative
The device was returned to olympus for an evaluation.The user¿s complaint was confirmed.Device history record review indicates that the device was manufactured and tested in accordance with all applicable procedures and met all final product release criteria, including ultrasonic output, ultrasonic oscillation, amplitude, and appearance.Upon inspection of the device, it was observed that the tissue pad (grasping surface) was worn and partly peeled off.Investigation is ongoing.Supplemental report(s) will be submitted when any relevant new information is available.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.Based on the results of the investigation, it is likely that the grasping section might have been closed without grasping anything in between the grasping section and the distal end of the probe when the ultrasonic output was repeatedly activated, or it was not possible to confirm whether the tissue was completely resected when the ultrasonic output was repeatedly activated.These reasons might have been contributed to the worn out and peeling of the grasping surface.The event can be prevented by following the instructions for use which state: "do not activate output when closing the instrument and nothing is grasped between the grasping section and the probe, or when it is not possible to confirm that the tissue being grasped has been completely resected.Otherwise, abnormal heat generated by friction between the grasping section and the probe may damage the grasping section, or cause it to detach or premature wear in the grasping surface." olympus will continue to monitor field performance for this device.

• Brand Name: SONOSURG CURVED SCISSORS,HF,PISTOL GRIP,5MM X 34CM
• 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
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 17064365
• Report Number: 9614641-2023-00788
• Device Sequence Number: 6104921
• Product Code: LFL
• UDI-Device Identifier: 04953170235665
• UDI-Public: 04953170235665
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K050885
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,User Facility,Distributor
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/28/2023

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: T3905
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/15/2023
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/09/2023
• Supplement Date Received by Manufacturer: 06/06/2023
• Initial Report FDA Received Date: 06/05/2023
• Supplement Report FDA Received Date: 06/28/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/28/2022
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown