MAUDE Adverse Event Report: OLYMPUS WINTER & IBE GMBH BERLIN FACILITY OLYMPUS ESG-100, 100...120 V~,; ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES

Model Number	WB991046
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Hemorrhage/Blood Loss/Bleeding (1888)
Date of Event	04/10/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
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
It was reported that during a therapeutic endoscopic mucosal resection while using a generator, the patient had an unspecified amount of bleeding.Hemostasis was achieved by clipping and cauterization, and the patient was admitted to the hospital post-operatively because of the bleeding.The patient was then discharged with no reports of additional harm, and there was no reported device malfunction.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the approved final investigation.Based on the results of the investigation, and since the device was not returned for evaluation, the definitive root cause of the reported issue could not be determined.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
No additional information was received from the customer.

• Brand Name: OLYMPUS ESG-100, 100...120 V~,
• Common Device Name: ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES
• Manufacturer (Section D): OLYMPUS WINTER & IBE GMBH BERLIN FACILITY; rheinstrasse 8; teltow, brandenburg 14513 ; GM 14513
• Manufacturer (Section G): OLYMPUS WINTER & IBE GMBH BERLIN FACILITY; rheinstrasse 8; teltow, brandenburg 14513 ; GM 14513
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 22019340
• Report Number: 3003724334-2025-00208
• Device Sequence Number: 15805571
• Product Code: GEI
• UDI-Device Identifier: 04042768910463
• UDI-Public: 04042768910463
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• 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: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 07/03/2025

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?: No
• Operator of Device: Health Professional
• Device Model Number: WB991046
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/16/2025
• Supplement Date Received by Manufacturer: 06/27/2025
• Initial Report FDA Received Date: 05/14/2025
• Supplement Report FDA Received Date: 07/03/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Sex: Unknown