Full-Montage Standard Electroencephalograph

Reports per year

Source: FDA adverse event reports by year received, 2012–2026. Reporting paused during the 2026 MAUDE-to-AEMS transition and has since resumed.

Recent recalls

• 2026-06-05Open, ClassifiedSoftware Design Change

  SD LTM 64 PLUS, EEG Amplifier/recorder, Model/Catalog Number: SD LTM 64 PLUS, Software Version: firmware 2021.02, 2022.01 or 2022.02

  Natus has become aware of two complaints related to the SD LTM 64 PLUS where the EEG traces acquired from two or four different amplifiers used in a multiple amplifier configuration (128 or 256 channels) running firmware version 2022.02 were displayed with a shift of 1 second between the 64channels blocks. In rare circumstances, a fixed 1-second temporal delay may appear between two 64-channel modules with firmware 2021.02, 2022.01 or 2022.02 in a multi-module SEEG configuration, potentially leading to misinterpretation of results.

• 2025-07-18Open, ClassifiedProcess control

  Natus Brain Monitor Breakout Box, Part Number 021911; full-montage standard electroencephalograph

  Natus received two complaints of left side labeling show impedance for right side.

• 2024-09-13Open, ClassifiedUnder Investigation by firm

  Seer Home System is an ambulatory electroencephalograph (EEG) system intended for at-home use for extended EEG and video EEG (vEEG) recordings and analysis. The Seer Home System includes the Sight Monitoring Hub, the Sense wearable, Monitoring Portal and associated accessory components (Disposable EEG Wires, WaterTabs, WaterTabs Application Kit, and Take-home Kit).

  During CAPA investigations of sight production inconsistencies, it was highlighted that previous Electromagnetic Compatibility (EMC) assessments related to RF radiated emissions may not be reasonably equivalent to the current product due to design changes in the system. A new CAPA was opened to investigate the radiated emissions compliance issues. - Seer Home Systems distributed and retained in the field were not compliant with Electromagnetic Compatibility (EMC) testing according to IEC 60601-1-2 - Seer Home Systems, including accessories, were manufactured and distributed without application of proper design change and manufacturing controls - Seer Home Systems were distributed with labeling deficiencies

• 2024-05-31Open, ClassifiedNo Marketing Application

  WAVi Research EEG Desktop System is comprised of the WAVi Research EEG Desktop Software with Instruction Manual and Brochure, and Heart Rate Variability (HRV) Ear Clips. The system kit also incorporates use of the firm's cleared EEG analysis technology (the WAVi SCAN EEG System and Accessories, and the WAVi Headset and eSoc Single Use Electrode Contacts).

  Following an FDA-issued Warning Letter, the firm requested return of their research EEG system components due to the closing of their research study.

• 2021-01-14Open, ClassifiedDevice Design

  PSG-1100 Sleep Diagnostic System. Sample product label: JB-110A SERIAL No. 01454 RoHS Compliant; PSG-100 Head Box; UDI (01) 04931921108383; Made in Japan The PSG-1100 Sleep Diagnostic System is a digital PSG amplifier intended to record the electrical activity of the brain (EEG) and other bio-potential signals and to record physiological data required for sleep studies.

  Medical device non-conformance to electrical safety standard (IEC 60601-1).

• 2015-10-13TerminatedSoftware change control

  NicoletOne Software v5.94, Catalog/Part Number: 482-649600. The NicoletOne data acquisition and review system, either with or without synchronous digital video. The system is intended for medical purposes to record, measure, store and display full band (FbEEG) cerebral EEG and extracerebral activity for Clinical EEG, Electrocorticography (EcOG), Long Term Monitoring (LTM), Intensive Care Unit (ICU) monitoring and Polysomnography (PSG) Sleep studies. While the Nicolet Neurodiagnostic systems are capable of displaying signals, such as Sp02 and EKG, the system is NOT intended for monitoring such signals for the preservation of life, The Nicolet Neurodiagnostic systems are intended to acquire, analyze, and display data

  When using the NicoletOne v5.94 software, after exiting the impedance check function and returning to the EEG screen, the impedance check signal remains active in waveform, obscuring the EEG signals.

• 2013-04-22TerminatedNo Marketing Application

  Harmonie software versions 5.1 uo to 6.2e : Harmonie-E Long Term Monitoring system (Models HSYS-REC-WD, HSYS-REC-WT; HSYS-REC0LT2; HSYS-REC-EAMP) Product in use with Harmonie-E Long Term Monitoring System : ICTA-S & ICTA-D Seizure Detector, Slow wave Seizure Detector Harmonie-S Sleep System: Rapid Eye Movement Detector, Spindle Detector, Heart Rate Processor, Periodic Leg Movement Detector and Oximetry/Pulse rate Threshold Notification VITA/ICU Neurological Monitoring System: Burst Suppression Detector, Cerebral Function Monitor Trend, Visual and Auditory Notifications on all trends graphs in PolyTrends Harmonie {-s}{-E} Readers ,

  The firm is initiating this recall because the implied or stated indications in their labeling associated with Harmonie software have not yet been cleared by the FDA for sale in the USA.

• 2012-01-11TerminatedNo Marketing Application

  Harmonie software in use with: Harmonie-E Long Term Monitoring System (Models HSYS-REC-WD, HSYS-REC-WT; HSYS-REC-LT2; HSYS-REC-EAMP) Harmonie-S Sleep System (Model HSYS-REC-DUO) VITA/ICU Neurological Monitoring System (Model HSYS-REC-DUO-PPC) Harmonie{-S}{-E} Readers (Models HSYS-RDR-D, HSYS-RDR-T). Acquire, display, store, and archive electroencephalographic signals from the brain using a full montage array (i.e., 16 or more electrodes) and user-specified locations.

  The following implied or stated indications in Stellate labeling with Harmoniae software have not yet been cleared by the Food and Drug Administration (FDA) for sale in the United States of America.

• 2010-04-07TerminatedSoftware design

  NicoletOne vEEG System, VIASYS Healthcare, Inc., Madison, Wisconsin 53711.

  CareFusion NeuroCare is voluntarily implementing a field correction to delete certain NicoletOne software protocols, which users may interpret incorrectly when conducting patient evaluations. This may result in the misinterpretation of the left versus right side of the brain. Users are being provided with instructions for removing these protocols and verifying that the deletion has been prop

• 2008-09-23TerminatedSoftware design

  NicoletOne 5.30.2 Software when used with CSeries amplifiers in Fixed Room LTM Configurations with patient room kits. The product is used for extended monitoring of EEG in a hospital setting. The system provides connection between the patient room EEG acquisition system and central control room.

  NicoletOne 5.30.2 Software when used with CSeries amplifiers in Fixed Room LTM Configurations with patient room kits. Cardinal Health NeuroCare has confirmed that the 3rd party room relay connected to the A2 wall plate does not always activate if the patient event button connected to the CSeries Amplifier is pressed twice within one second.