Patent application number | Description | Published |
20090018427 | ELECTRODE ARRAY - A disposable electrode array | 01-15-2009 |
20110087125 | SYSTEM AND METHOD FOR PAIN MONITORING AT THE POINT-OF-CARE - A method and apparatus for providing objective assessment of pain using a field portable device is described. The method includes placing an electrode set coupled to a handheld base unit on the subject's head, acquiring brain and/or peripheral nervous system electrical signals from the subject through the electrode set, processing the acquired brain electrical signals using a feature extraction algorithm stored in a memory of the base unit, classifying the processed signals into pain categories, determining an objective quantification of the pain level, and indicating the pain category and/or pain scale on the handheld base unit. The memory of the base unit stores a reference database for classification of the processed signals, or the base unit is configured to wirelessly access the reference database from a remote data storage unit. | 04-14-2011 |
20110112426 | Brain Activity as a Marker of Disease - A method of monitoring brain activity is provided, wherein the method includes receiving a signal associated with neuronal activity of a mammalian brain. The method also includes processing the signal using a linear, non-linear, or combination algorithm to extract a signal feature. A neuromarker may be determined based on an association between the signal feature and a library of features, wherein the library includes a plurality of signal features correlated with a plurality of disease states. | 05-12-2011 |
20110144518 | System and Methods for Management of Disease Over Time - A system for delivering health information is provided. The system comprises at least one apparatus configured to receive information related to a condition of a patient. The analysis system further comprises a reception system configured to receive data related to the patient's condition and a processor configured to assess a condition of a patient and to identify a data set including information related to the patient's condition. The system also comprises a communication system configured to communicate the data set to a user. | 06-16-2011 |
20110144519 | System and Methods for Neurologic Monitoring and Improving Classification and Treatment of Neurologic States - Methods and systems for assessing brain activity and collecting information related to a patient's condition and brain electrical activity are provided. | 06-16-2011 |
20110144520 | METHOD AND DEVICE FOR POINT-OF-CARE NEURO-ASSESSMENT AND TREATMENT GUIDANCE - A method and apparatus for providing an objective assessment of the neurological state of a patient using a field-portable neuro-assessment device is described. The method includes placing an electrode set on the patient's head, acquiring spontaneous brain electrical signals and evoked potential signals from the patient through the electrode set, processing the signals using a handheld base unit, and displaying a result indicating the probability of the patient's neurological signal being normal or abnormal. The neuro-assessment device allows for a rapid, on-site neurological evaluation by an emergency medical technician, triage nurse, or any other medical personnel to identify patients with neurological disorders who may require immediate medical attention. | 06-16-2011 |
20110224570 | METHOD AND APPARATUS FOR AUTOMATIC EVOKED POTENTIALS ASSESSMENT - Systems and methods for assessing a patient's neurologic state based on auditory evoked responses are provided. | 09-15-2011 |
20120065536 | SYSTEM AND METHOD FOR NEUROLOGICAL EVALUATION - A device and method for acquiring and processing a patient's brain electrical activity is provided. Noise contamination during acquisition and transmission of the brain electrical signals is reduced by providing differential amplifiers in the patient sensor in close proximity to the electrodes. A guarding technique is applied in the patient sensor to avoid inductive coupling of low frequency environmental noise. Radio-frequency (RF) filters and a Faraday cage assembly are also provided in the patient sensor to reduce electromagnetic interference. The brain electrical signals acquired by the electrodes are transmitted through shielded cables to a handheld base unit for signal processing. | 03-15-2012 |
Patent application number | Description | Published |
20080243021 | Signal Common Mode Cancellation For Handheld Low Voltage Testing Device - An apparatus for monitoring bioelectric signals of a patient which includes a processing system and an interface for receiving external electrical signals representative of a condition of the patient. The interface is configured to convey a representation of the received external signals to the processing system, and includes a common mode cancellation amplifier circuit which is adapted to reduce common mode signal noise present in the external signals. | 10-02-2008 |
20080262371 | Method for Adaptive Complex Wavelet Based Filtering of Eeg Signals - A method for adaptive filtering of EEG signals in the wavelet domain using a nearly shift-invariant complex wavelet transform. EEG signal data is segmented into a set of K “trials” or “light averages” of M-frames of data each. These trials are overlapped by a number of frames P, where P10-23-2008 | |
20090247894 | Systems and Methods For Neurological Evaluation and Treatment Guidance - A system for acquiring and processing a subject's brain electrical activity is provided. The system includes at least one electrode, at least one analog amplifier channel, an analog-to-digital converter, a stimulus generator, and a digital signal processor configured to perform a harmonic signal analysis algorithm. The at least one analog amplifier channel, the analog-to-digital converter, and the digital signal processor are configured on a single integrated physical circuit. All the components of the system are configured to reside on a common portable unit to make the system easily applicable at the point-of-care. The system records and processes a subject's spontaneous neuroelectric signals as well as evoked potentials in real-time, and generates analyzed data representative of a subject's neurophysiological condition. | 10-01-2009 |
20090263034 | System and Method For Signal Processing Using Fractal Dimension Analysis - A system and method of signal processing using linear or non-linear signal transformation and fractal dimension based analysis. Using a transform process (i.e. wavelet transform, Fourier transform, ICA transform, etc.), a signal is decomposed into a series of coefficients or components. Within this transform domain, fractal dimensions of the components are computed. The components with fractal dimensions higher than a pre-determined threshold are then selectively processed. A modified signal is reconstructed using inverse transform of the signal components. | 10-22-2009 |
20090264785 | Method and Apparatus For Assessing Brain Function Using Diffusion Geometric Analysis - A method of extracting features and classifying a neurological state of a subject is provided. The method includes recording brain electrical activity, organizing the recorded data set into digital documents, computing a diffusion geometry on the data set comprising at least a plurality of diffusion coordinates, and classifying the data set into a neurological state based on the metrics provided by the diffusion coordinates. | 10-22-2009 |
20100041962 | FLEXIBLE HEADSET FOR SENSING BRAIN ELECTRICAL ACTIVITY - A headset for detecting brain electrical activity is disclosed. The headset may have a flexible band having a first end and a second end. The flexible band may have at least one expansible region permitting a distance between the first end and the second end to selectably vary. The headset may also have flexible circuitry in the flexible band. The flexible circuitry may be operatively connected to at least one sensor configured to sense brain electrical activity. The headset may further have a stimulus emitter coupled to the flexible band. | 02-18-2010 |
20110270124 | METHOD AND APPARATUS FOR SIGNAL ENCODING EVOKED RESPONSES - A method and apparatus for utilizing the benefits of encoded signal transmission and reception to enhance the performance of medical testing devices ( | 11-03-2011 |
20140236038 | Method For Signal Encoding Evoked Responses - A method and apparatus for utilizing the benefits of encoded signal transmission and reception to enhance the performance of medical testing devices (100) adapted to evoke and measure biological response signals such as auditory evoked potentials (AEP), and the auditory brainstem response (ABR) signals in particular. Auditory stimuli, such as clicks, are presented to the ear of a human patient, in a predetermined encoded sequence, resulting in the generation of auditory responses and bio-electric response signals in the human patient. These response signals from the patient are acquired and observed, and are processed according to the predetermined encoded sequence in which the auditory stimuli were presented to the patient's ear in order to extract the desired auditory evoked potential signals or ABR signals. | 08-21-2014 |