MAUDE Adverse Event Report: CURONIX LLC FREEDOM PERIPHERAL NERVE STIMULATOR

Model Number	STQ4-RCV-A0, STQ4-SPR-B0
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Erosion (1750); Impaired Healing (2378)
Date of Event	12/17/2024
Type of Reportable Event	Serious Injury
Event or Problem Description
The patient reported impaired wound healing and erosion.Antibiotics were prescribed and an explant procedure was performed in (b)(6) 2024.However, an exact date is unknown.The patient was implanted with two new neurostimulators on (b)(6) 2024 and the patient is doing well.
Additional Manufacturer Narrative
The surgical issue questionnaire was reviewed for potential causes of the reported issue.Based on this review, implanting the device in an off-label location, not performing an x-ray immediately after the procedure to confirm placement, inadequate fixation, the patient undergoing an mri, implanting the neurostimulator after the expiration date, not prepping the skin with an antiseptic solution, not irrigating the incision site with an antibiotic solution before closure, improperly closing the surgical site, multiple tunneling attempts, using inappropriate tools, and not prescribing antibiotics pre-operatively have been ruled out as potential causes for the reported issues.Additionally, the patient having contraindicating conditions has been ruled out.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 impaired wound healing and erosion 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.

• Brand Name: FREEDOM PERIPHERAL NERVE STIMULATOR
• Common Device Name: PERIPHERAL NERVE STIMULATOR
• Manufacturer (Section D): CURONIX LLC; 1310 park central blvd s; pompano beach FL 33064
• Manufacturer (Section G): CURONIX LLC; 1310 park central blvd s; pompano beach FL 33064
• Manufacturer Contact: tena jimmerson ; 1310 park central boulevard s.; pompano beach, FL 33064 ; 8009655134
• MDR Report Key: 21106149
• Report Number: 3010676138-2025-00005
• Device Sequence Number: 18332388
• Product Code: GZF
• UDI-Device Identifier: 00818225020464
• UDI-Public: (01)00818225020464(17)221001(01)00818225020495(17)221201(21)2B12590-108
• Combination Product (Y/N): N
• Initial Reporter State: OK
• Initial Reporter Country: US
• PMA/510(K) Number: K171366
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted 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): 01/08/2025

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 Expiration Date: 10/01/2022
• Device Model Number: STQ4-RCV-A0, STQ4-SPR-B0
• Device Lot Number: 2B12369-53, 2B12590-108
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/17/2024
• Initial Report FDA Received Date: 01/08/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/05/2020
• 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: 73 YR
• Patient Sex: Male