NeuRx DPS™ External Pulse Generator 23-0021Recalls & reported problems
Synapse Biomedical, Inc. · Class 3
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 0
- Recalls naming it
- 1
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 00852184003212), received between May 24, 2021 and Jul 6, 2022 — classified as 2 malfunctions.
The most frequently reported specific device problem is “Electrical /Electronic Property Problem” (1 report).
1 FDA recall record name this device's identifier.
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.
Recalls naming this device
- Jul 11, 2022Class ITerminated
Due to a defect identified on the EPG controller printed circuit board assembly, device performance may degrade over time. Depending on the failure mode, potential adverse events include pain, muscle fatigue and decreased breathing effectiveness, arrhythmia or cardiac arrest, or the device may stop unexpectedly.
Z-1561-2022 · Root cause: Nonconforming Material/Component · Recall details · FDA record ↗
Most reported problems
Device problems
- Electrical /Electronic Property Problem1
- Electrical Overstress1
Patient problems
- Abdominal Pain1
- Undesired Nerve Stimulation1
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
MalfunctionJul 6, 2022Electrical /Electronic Property Problem; Electrical /Electronic Property Problem
THE PATIENT EXPERIENCED SEVERE PAIN ON THE LEFT SIDE OF THEIR DIAPHRAGM UPON INITIALIZATION OF STIMULATION WITH AN EXTERNAL PULSE GENERATOR. STIMULATION WAS REPEATED WITH A SECOND EXTERNAL PULSE GENERATOR AND THERE WAS NO DISCOMFORT.
Patient problems: Abdominal Pain
MAUDE report 14939989 ↗MalfunctionMay 24, 2021Electrical Overstress; Electrical Overstress
THE PATIENT'S OLDER EXTERNAL PULSE GENERATOR (EPG, APPROX 8 YEARS OLD) WAS BEING EXCHANGED FOR A NEW EPG. THE STIMULATION SETTINGS WERE RETRIEVED FROM THE OLD EPG AND WERE PROGRAMMED INTO THE NEW EPG. WHEN STIMULATION WAS STARTED WITH THE NEW EPG THE PATIENT EXPERIENCED INTENSE PAIN AND STIMULATION WAS DISCONTINUED. THE SETTINGS WERE VERIFIED BUT THE PATIENT AGAIN EXPERIENCED INTENSE PAIN WHEN STIMULATION WAS INITIATED A SECOND TIME. THE OLD EPG WAS LEFT WITH THE PATIENT AND THE NEW DEVICE WAS RETURNED TO THE MANUFACTURER FOR EVALUATION.
Patient problems: Undesired Nerve Stimulation
MAUDE report 11872593 ↗
Other Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator devices
- NeuRx Diaphragm Pacing System 20-0035Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall5 reports
- System Kit, ALS HDE 20-0045Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall1 death3 reports
- STERILE Mapping Probe 21-0001-99Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 reports
- STERILE Trocar to Transducer Tubing 21-0010-99Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 reports
- STERILE Touchproof Cable Yellow 21-0025-99Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 reports
- NeuRx DPS™ Surgical Kit, HDE 20-0028Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 reports
- STERILE Lead Tunnelers 21-0007-99Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 reports
- STERILE Touchproof Cable, Green 21-0023-99Synapse Biomedical, Inc. · Diaphragmatic/Phrenic Nerve Laparoscopically-Implanted Stimulator1 recall0 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 · each recall links to the FDA recall notice
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
How reports and recalls are matched · Editorial policy · Report an error on this page