MAUDE Adverse Event Report: CURONIX LLC FREEDOM PERIPHERAL NERVE STIMULATOR

Model Number	STQ4-RCV-B0, STQ4-RCV-A0
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Skin Inflammation/ Irritation (4545)
Date of Event	05/13/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The surgical issue questionnaire was reviewed for potential causes of the reported issue.Based on this review, implanting the device off-label, not performing an x-ray immediately after the implant procedure to confirm device placement, implanting a damaged neurostimulator, implanting the device after the expiration date, not prepping the surface of the skin with an antiseptic solution, not irrigating the incision site with an antibiotic solution before closure, multiple tunneling attempts, using incorrect tools, and not prescribing antibiotics pre-operatively have been ruled out.Other potential causes of the reported issue include: patient non-compliance, improperly closing the surgical site, and the patient having contraindicating conditions.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 reported issue is unknown.The investigation findings do not lead to a clear conclusion about the cause of the reported issue.Therefore, conclusion has been selected as unable to determine root cause.Rates reviewed at the most recent complaint trending meeting do not indicate a significant increase in surgical issues.Surgical issue rates remain acceptably low; thus, a capa is not required at this time.Surgical issue rates will continue to be tracked and trended.
Event or Problem Description
The patient reported a possible infection or allergy as there was irritation around the implant site.Antibiotics were prescribed, cultures were obtained, and an allergy panel was performed.The culture results and allergy panel came back negative.On (b)(6) 2026, an explant procedure was performed due to the irritation.No further issues have been reported.

• 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: 25365402
• Report Number: 3010676138-2026-00094
• Device Sequence Number: 10729687
• Product Code: GZF
• UDI-Device Identifier: 00850051034413
• UDI-Public: (01)00850051034413(17)271201
• Combination Product (Y/N): N
• Initial Reporter State: AZ
• Initial Reporter Country: US
• PMA/510(K) Number: K233162
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• 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): 06/02/2026

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, STQ4-RCV-A0
• Device Lot Number: SWO251226, SWO260223
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/13/2026
• Initial Report FDA Received Date: 06/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/18/2025
• 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): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 43 YR
• Patient Sex: Female