Freedom System Accessories 00-52004Recalls & reported problems
Curonix LLC · PNS Wearable Accessory S/M · Class 2 · Implant
All models of Freedom System Accessories (3)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 4
- Deaths reported
- 0
- Injuries reported
- 4
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 00850051034208), received between Aug 28, 2024 and Mar 17, 2026 — classified as 4 injuries.
The most frequently reported specific device problem is “Use of Device Problem” (3 reports).
6 other recalls cover devices cleared under the same FDA submission (K152178); they may or may not involve this specific model.
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Use of Device Problem3
- Adverse Event Without Identified Device or Use Problem1
Patient problems
- Skin Inflammation/ Irritation3
- Blister1
- Hypersensitivity/Allergic reaction1
- Rash1
Recent adverse event reports
The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.
InjuryMar 17, 2026Use of Device Problem
THE PATIENT REPORTED IRRITATION AND BUBBLING ON THEIR SKIN UNDERNEATH WHERE THE WEARABLE IS WORN. TOPICAL OINTMENT WAS USED AND AS OF (B)(6) 2026, THE SKIN IS HEALING. THE COMMERCIAL TEAM MEMBER INSTRUCTED THE PATIENT TO WEAR THE WEARABLE OVER A SOCK OR PANTS AND TO NOT PLACE IT DIRECTLY ON THE SKIN. THE PATIENT HAS A FOLLOW UP APPOINTMENT ON (B)(6) 2026. NO FURTHER INFORMATION IS AVAILABLE.
Patient problems: Skin Inflammation/ Irritation
MAUDE report 24618691 ↗InjuryFeb 18, 2026Use of Device Problem
THE PATIENT REPORTED CONSISTENTLY GETTING A RASH WHILE WEARING THE WEARABLE. THE PATIENT REPORTED USING AN ALLERGY OINTMENT AND HAS NOT BEEN USING HE DEVICE. AS OF (B)(6) 2026, THE RASH HAS BEEN RESOLVED AND NO FURTHER ISSUES HAVE BEEN REPORTED.
Patient problems: Rash
MAUDE report 24379547 ↗InjuryJun 25, 2025Use of Device Problem; Use of Device Problem
THE PATIENT REPORTED THEIR WEARABLE WAS CAUSING AN ALLERGIC REACTION TO THEIR SKIN WHICH RESULTED IN SKIN DERMATITIS AND SMALL BLISTER LIKE PUSTULES AROUND THE AREA OF THE WEARABLE. AN ANTIBIOTIC OINTMENT WAS PRESCRIBED AND THE AREA WAS COVERED WITH GAUZE. THE PATIENT WAS INSTRUCTED TO REFRAIN FROM WEARING THE DEVICE FOR A FEW DAYS AND WILL WEAR A BARRIER BETWEEN THE WEARABLE AND THEIR SKIN. THE PATIENT NOTICED THE FORMATION OF NEW BLISTERS ON (B)(6) 2025 AND WAS SEEN BY THEIR DERMATOLOGIST ON (B)(6) 2025. THE PATIENT'S BLISTERS HAVE STARTED TO HEAL, CULTURES OF THE AREA WERE OBTAINED, AND ANTIBIOTICS WERE PRESCRIBED. THE RESULTS OF THE CULTURES ARE NOT AVAILABLE AT THIS TIME AND FURTHER INFORMATION IS NOT AVAILABLE.
Patient problems: Blister; Hypersensitivity/Allergic reaction; Skin Inflammation/ Irritation
MAUDE report 22331697 ↗InjuryAug 28, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
THE PATIENT REPORTED THEIR WEARABLE IS CAUSING SKIN IRRITATION. THE COMMERCIAL TEAM MEMBER SUGGESTED OTHER NON-CURONIX BRAND WEARABLES. THERAPY IS WORKING WELL FOR THE PATIENT.
Patient problems: Skin Inflammation/ Irritation
MAUDE report 20091868 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under K152178. One submission often covers many models, so check the product and lot details in each record.
- Z-2933-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Models: 1. FR4A-RCV-AO US and 2. FR4A-RCV-A0 EU - Product Usage: is used for peripheral neural stimulation to provide therapeutic re
- Z-2930-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Models: 1. FR4A-TRL-BO US and 2. FR4A-TR-BO - Product Usage: is used for peripheral neural stimulation to provide therapeutic relief
- Z-2928-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Model 1. STQ4-RCV-A0 US and 2.STQ4-RCV-A0 EU - Product Usage: is used for peripheral neural stimulation to provide therapeutic relie
- Z-2929-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Model FR4A-TRL-AO US - Product Usage: is used for peripheral neural stimulation to provide therapeutic relief for chronic, intractabl
- Z-2931-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Models FR4A-SPR-BO US - Product Usage: is used for peripheral neural stimulation to provide therapeutic relief for chronic, intractab
- Z-2932-2020 · Jul 15, 2020 · Open, ClassifiedStimQ Peripheral Nerve Stimulator System (PNS) Model STQ4-SPR-BO US - Product Usage: is used for peripheral neural stimulation to provide therapeutic relief for chronic, intractabl
Other Stimulator, Peripheral Nerve, Implanted (Pain Relief) devices
- Quattrode™ 3166St. Jude Medical, Inc. · STIMULATOR, PERIPHERAL NERVE, IMPLANTED (PAIN RELIEF)429 reports
- Quattrode™ 3169St. Jude Medical, Inc. · STIMULATOR, PERIPHERAL NERVE, IMPLANTED (PAIN RELIEF)401 reports
- PNS Freedom Permanent Tined Neurostimulator Receiver Kit Channel A STQ4-RCV-A0Curonix LLC · Stimulator, Peripheral Nerve, Implanted (Pain Relief)8 deaths364 reports
- Nalu Medical, Inc. 71019-USNalu Medical, Inc. · Stimulator, Peripheral Nerve, Implanted (Pain Relief)1 recall225 reports
- StimQ Receiver Stimulator Kit Channel A US w/Receiver STQ4-RCV-A0Stimwave Technologies Incorporated · Stimulator, Peripheral Nerve, Implanted (Pain Relief)3 deaths270 reports
- Nalu Medical, Inc. 71020-USNalu Medical, Inc. · Stimulator, Peripheral Nerve, Implanted (Pain Relief)213 reports
- StimQ Spare Lead Kit Channel B US w/Receiver STQ4-SPR-B0Stimwave Technologies Incorporated · Stimulator, Peripheral Nerve, Implanted (Pain Relief)126 reports
- Nalu Medical, Inc. 71005-USNalu Medical, Inc. · Stimulator, Peripheral Nerve, Implanted (Pain Relief)1 recall73 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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