MAUDE Adverse Event Report: CURONIX LLC FREEDOM PERIPHERAL NERVE STIMULATOR

Model Number	STQ4-RCV-B0
Medical Device Problem Code	Expulsion (2933)
Health Effect - Clinical Code	Erosion (1750)
Date of Event	04/13/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
The patient reported erosion of the neurostimulator out of their skin.As of (b)(6) 2026, an explant date has not yet been scheduled.No further information is available at this time.
Additional Manufacturer Narrative
The other adverse effects questionnaire was reviewed for potential causes of the reported issue.Based on this review, the incorrect questionnaire was completed.Implanting the device off label, inadvertently puncturing bone or tissue during the procedure, not performing an x-ray immediately after the procedure to confirm device placement, the patient picking or touching at the wound, and excessive force being applied to the implant have been ruled out.Other potential causes of the erosion include: inadequate fixation, the patient having contraindicating conditions, using incorrect tools, and improper surgical technique.A curonix representative conducted a review of sterilization and packaging records for the respective product lot; curonix has confirmed that the product was delivered sterile, validated sterilization parameters were used, and sterile barriers were verified to be intact following packaging.The stimulator is used to treat pain.The cause of the erosion is unknown.The investigation findings do not lead to a clear conclusion about the cause of the reported issue.Therefore, the conclusion has been selected as unable to determine the root cause.Rates reviewed at the most recent complaint trending meeting do not indicate a significant increase in other adverse events issues.Other adverse events issue rates remain acceptably low; thus, a capa is not required.Other adverse events issue rates will continue to be tracked and trended.

• Brand Name: FREEDOM PERIPHERAL NERVE STIMULATOR
• Common Device Name: PERIPHERAL NERVE STIMULATOR
• Manufacturer (Section D): CURONIX LLC; 1310 park central boulevard s.; pompano beach FL 33064
• Manufacturer (Section G): CURONIX LLC; 1310 park central boulevard s.; pompano beach FL 33064
• Manufacturer Contact: alicia pagliaro ; 1310 park central boulevard s.; pompano beach, FL 33064 ; 8009655134
• MDR Report Key: 25135644
• Report Number: 3010676138-2026-00073
• Device Sequence Number: 13125197
• Product Code: GZF
• UDI-Device Identifier: 00850051034413
• UDI-Public: (01)00850051034413(17)261101
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K233162
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• 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): 05/07/2026

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: Lay User/Patient
• Device Model Number: STQ4-RCV-B0
• Device Lot Number: SWO241115
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/13/2026
• Initial Report FDA Received Date: 05/11/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/07/2024
• 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 Age: 80 YR
• Patient Sex: Female