MAUDE Adverse Event Report: ARTHROCARE CORPORATION WEREWOLF APL CONTROLLER (RF20000-APL); ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES

Catalog Number	72290146
Medical Device Problem Codes	Unintended Power Up (1162); Self-Activation or Keying (1557)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/06/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H11: internal complaint reference: (b)(4).
Event or Problem Description
It was reported that, during a hip replacement, one (1) werewolf 20000 controller was firing off randomly, it would activate by itself without anyone touching the trigger.The procedure was resumed, without any delay, using a similar s+n back-up product.No further complications were reported.
Additional Manufacturer Narrative
H11: h3, h6: the reported device was received for evaluation.Visual inspection observed a dark marking on one of the prongs in the power port.Functional evaluation revealed no issues.The unit did not spark or show signs of arcing, the unit did not activate any function on its own, and the unit did not have power cycling related issues.A review of device records showed there were no indications to suggest that the product did not meet manufacturing specifications upon release for distribution.A complaint history review found similar reported events.A risk management review found that the reported failure and/or harm was documented appropriately, and there were no indications to suggest the anticipated risk is not adequate.The root cause could not be determined since the reported malfunction could not be duplicated during the investigation.Factors that can contribute to the reported event include failure of a concomitant device.Based on this investigation, the need for corrective action is not indicated.

• Brand Name: WEREWOLF APL CONTROLLER (RF20000-APL)
• Common Device Name: ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES
• Manufacturer (Section D): ARTHROCARE CORPORATION; 7000 west william cannon drive; austin TX 78735
• Manufacturer (Section G): ARTHROCARE CORPORATION; 7000 west william cannon drive; austin TX 78735
• Manufacturer Contact: holly topping ; 1450 brooks rd.; memphis, TN 38116 ; 5123913905
• MDR Report Key: 24817051
• Report Number: 3006524618-2026-00176
• Device Sequence Number: 9600980
• Product Code: GEI
• UDI-Device Identifier: 00885556787236
• UDI-Public: 885556787236
• Combination Product (Y/N): N
• Initial Reporter State: RI
• Initial Reporter Country: US
• PMA/510(K) Number: K210423
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/05/2026

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 Catalogue Number: 72290146
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/02/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/13/2026
• Supplement Date Received by Manufacturer: 06/04/2026
• Initial Report FDA Received Date: 04/08/2026
• Supplement Report FDA Received Date: 06/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown