MAUDE Adverse Event Report: OLYMPUS MEDICAL PRODUCTS CZECH, SPOL. S R.O. HF-RESECTION ELECTRODE "PLASMALOOP", LOOP, LARGE, 24 FR., 12°/16°, PK TURIS; ENDOSCOPIC ELECTROSURGICAL ELECTRODE, BIPOLAR, SINGLE-USE

Model Number	WA22603S
Medical Device Problem Code	Material Twisted/Bent (2981)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/17/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was returned to olympus for inspection.A root cause could not be identified.Based on the results of the investigation, it is likely the following led to the malfunction: the most probable cause for the malfunction was traced to component failure.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 that during the device evaluation, the resection electrode shaft, fork tubes, and loop were bent.There was no patient involvement.

• Brand Name: HF-RESECTION ELECTRODE "PLASMALOOP", LOOP, LARGE, 24 FR., 12°/16°, PK TURIS
• Common Device Name: ENDOSCOPIC ELECTROSURGICAL ELECTRODE, BIPOLAR, SINGLE-USE
• Manufacturer (Section D): OLYMPUS MEDICAL PRODUCTS CZECH, SPOL. S R.O.; telickova 457/29; prerov 75124 ; EZ 75124
• Manufacturer (Section G): OLYMPUS MEDICAL PRODUCTS CZECH, SPOL. S R.O.; telickova 457/29; prerov 75124 ; EZ 75124
• Manufacturer Contact: todd brill ; 801 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 25258068
• Report Number: 3007960282-2026-00111
• Device Sequence Number: 5417941
• Product Code: FAS
• UDI-Device Identifier: 14042761085134
• UDI-Public: 14042761085134
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K171965
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/22/2026

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: Other
• Device Model Number: WA22603S
• Device Lot Number: 1000194763
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/14/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/19/2026
• Initial Report FDA Received Date: 05/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/10/2025
• 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
• Patient Sex: Unknown