MAUDE Adverse Event Report: OLYMPUS MEDICAL PRODUCTS CZECH, SPOL. S R.O. HF-RESECTION ELECTRODE "PLASMABAND", BAND, MEDIUM, 24 FR., 12°/16°, ESG TURIS; WA22721S

Model Number	WA22721S
Medical Device Problem Codes	Thermal Decomposition of Device (1071); Explosion (4006)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/29/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the resection electrode broke, causing an explosion and burning the optics.This issue occurred during a therapeutic transurethral resection of the prostate procedure.There was no delay.The procedure was completed, and there were no reports of patient harm.
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the approved final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.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 received form customer.

• Brand Name: HF-RESECTION ELECTRODE "PLASMABAND", BAND, MEDIUM, 24 FR., 12°/16°, ESG TURIS
• Common Device Name: WA22721S
• 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: 22070072
• Report Number: 3007960282-2025-00062
• Device Sequence Number: 13105120
• Product Code: FAS
• UDI-Device Identifier: 14042761085370
• UDI-Public: 14042761085370
• Combination Product (Y/N): N
• Initial Reporter Country: CI
• 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: Foreign,User Facility,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 05/29/2026

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: Health Professional
• Device Model Number: WA22721S
• Device Lot Number: 1000162317
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/29/2025
• Supplement Date Received by Manufacturer: 05/28/2026
• Initial Report FDA Received Date: 05/22/2025
• Supplement Report FDA Received Date: 05/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/01/2024
• 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): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown