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Class 600/544 - Detecting brain electric signal


Subclass of Class 600 - Surgery
Definition: Subject matter for detecting changes in electrical potential
No. of patents: 815
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8190250System and method for estimating volume of activation in tissue
A system for a neurostimulation device comprises at least one processor configured for estimating at a plurality of spatial points a respective plurality of electrical field vectors resulting from a stimulation lead operating in accordance with a set of stimulation ...
05/29/2012
8190249Multi-parametric quantitative analysis of bioelectrical signals
Certain embodiments relate to a method for determining a condition of a subject, including obtaining a signal, the signal including a plurality of determinable parameters. The method also includes determining at least two of the plurality of determinable parameters ...
05/29/2012
8190248Medical devices for the detection, prevention and/or treatment of neurological disorders, and methods related thereto
Disclosed are devices and methods for detecting, preventing, and/or treating neurological disorders. These devices and methods utilize electrical stimulation, and comprise a unique concentric ring electrode component. The disclosed methods involve the positioning of...
05/29/2012
8185193Electroencephalogram interface system and activation apparatus
An electroencephalogram interface system includes a biological signal detection section for detecting an electroencephalogram signal from a user and a control section for distinguishing a component of an event-related potential and causing a device to operate based ...
05/22/2012
8175696Brain function monitoring and display system
A process for analysing an electroencephalogram signal representative of activity of a brain, including: i) generating coefficient data for a signal representation of a portion of the signal; ii) generating pole data representing positions of one or more poles on a ...
05/08/2012
8160688Integrated self-contained recorder of biological data for small animal research
An apparatus and method for the recording of physiological variables in small animals are described. The apparatus is an integrated self-contained recorder including a converter of biological signals into a digital form, a data storage unit, a data output for transp...
04/17/2012
8155736EEG control of devices using sensory evoked potentials
An EEG control of devices using Sensory Evoked Potentials (SEPs) (e.g., visually-evoked potentials), is disclosed. In some embodiments, a system receives a plurality of EEG signal samples; generates a stimulus locked average signal using the plurality of EEG signal ...
04/10/2012
8145297Measurement of EEG reactivity
The invention relates to a method and apparatus for assessing the reactivity observable in a certain physiological signal, especially the EEG signal, of a comatose subject. In order to obtain an objective and a reliable measure of the reactivity automatically and wi...
03/27/2012
8140150Implantable seizure monitor
An implantable seizure monitor can include at least one sensing electrode and an electronics module configured to detect, record and/or log neurological events. For example, the electronics module can be configured to detect brainwaves indicative of seizures, such a...
03/20/2012
8140151Implantable seizure monitor
An implantable seizure monitor can include at least one sensing electrode and an electronics module configured to detect, record and/or log neurological events. For example, the electronics module can be configured to detect brainwaves indicative of seizures, such a...
03/20/2012
8131353Methods and apparatuses for navigating the subarachnoid space
Disclosed is a method of navigating a spinal subarchnoid space in a living being, that includes percutaneously introducing a device into the spinal subarachnoid space at an entry location. The device has a first passageway that is sized to slidably receive, and work...
03/06/2012
8131352System and method for automatically adjusting detection thresholds in a feedback-controlled neurological event detector
Methods and systems for detecting neurological events and approximating a target detection rate are disclosed. A target detection rate may be identified for the neurological event. Electrographic signals incident on a neurological event detector may be monitored. Ea...
03/06/2012
8126541Device and method for deciding necessity of brainwave identification
In a system having an interface which utilizes electroencephalogram, it is determined whether the user was looking at a menu or not based on the frequency of the user electroencephalogram, and the electroencephalogram is excluded from the subject of distinction in t...
02/28/2012
8108039Method and system for acquiring biosignals in the presence of HF interference
The present invention, herein is a method and apparatus that significantly limits the effect of high frequency (“HF”) interferences on acquired electro-physiological signals, such as the EEG and EMG. Preferably, this method comprises of two separate electronic c...
01/31/2012
8095210Prosthetic devices and methods and systems related thereto
The present invention relates to systems and methods for controlling neural prosthetic devices and electrophysiological recording equipment, and for using the same in clinical operation. Various embodiments of the invention are directed to an algorithm for autonomou...
01/10/2012
8095209Biological interface system with gated control signal
Various embodiments of a biological interface system and related methods are disclosed. The biological interface system may comprise a sensor comprising a plurality of electrodes for detecting multicellular signals emanating from one or more living cells of a patien...
01/10/2012
8086305Implantable signal amplifying circuit for electroneurographic recording
An implantable microvolt-level signal amplifying circuit may be used for resolving electrical signals generated by nerves in the presence of larger amplitude signals generated by muscles, the heart, or external noise sources. The circuit has a low-noise, high Common...
12/27/2011
8082031Neurofeedback system
An apparatus and process for low energy neurofeedback includes computer and display means on a general purpose computer to calculate and display dominant brain wave frequencies as measured by an electroencephalogram. The general purpose computer is also operative to...
12/20/2011
8073534Automated detection of sleep and waking states
Determining low power frequency range information from spectral data. Raw signal data can be adjusted to increase dynamic range for power within low power frequency ranges as compared to higher-power frequency ranges to determine adjusted source data valuable for ac...
12/06/2011
8068904Devices and methods for monitoring physiological information relating to sleep with an implantable device
Described here are implantable devices and methods for monitoring physiological information relating to sleep. The implantable devices are generally designed to include at least one sensor for sensing physiological information, a processor for processing the physiol...
11/29/2011
8068903Method and apparatus for detection of nervous system disorders
Systems and methods for detecting and/or treating nervous system disorders, such as seizures, are disclosed. Certain embodiments of the invention relate generally to implantable medical devices (IMDs) adapted to detect and treat nervous system disorders in patients ...
11/29/2011
8064993Measurement of EEG reactivity
The invention relates to a method and apparatus for assessing the reactivity observable in a certain physiological signal, especially the EEG signal, of a comatose subject. In order to obtain an objective and a reliable measure of the reactivity automatically and wi...
11/22/2011
8060194Biological interface system with automated configuration
A system and method for a biological interface system that processes multicellular signals of a patient and controls one or more devices is disclosed. The system includes a sensor that detects the multicellular signals and a processing unit for producing the control...
11/15/2011
8041418System and method for regulating cardiac triggered therapy to the brain
A medical device system includes a brain monitoring element, cardiac monitoring element, therapy module and a processor. The processor is configured to activate the therapy module upon detection of a cardiac event in the cardiac signal. The processor is further conf...
10/18/2011
8041419System and method for monitoring or treating nervous system disorders
A medical device system that includes a brain monitoring element, cardiac monitoring element and a processor. The processor is configured to receive a brain signal from the brain monitoring element and a cardiac signal from the cardiac monitoring element. The proces...
10/18/2011
8036736Implantable systems and methods for identifying a contra-ictal condition in a subject
Systems and methods of monitoring a subject's neurological condition are provided. In some embodiments, the method includes the steps of analyzing a physiological signal (such as an EEG) from a subject to determine if the subject is in a contra-ictal condition; and ...
10/11/2011
8032209Localizing neural sources in a brain
Described herein is a non-invasive determination of locations of neural activity in a brain. In particular, methods and systems have been developed that utilize a FINES algorithm for use in three-dimensional (3-D) dipole source localization to locate neural activity...
10/04/2011
8005534System and method for prediction of adverse events during treatment of psychological and neurological disorders
The present invention is a system and method of deriving and computing features and indices that predict the likelihood of psychological and neurological adverse events such as suicidal thoughts and/or actions. The method of the present invention further predicts th...
08/23/2011
7986991System and method for prediction of cognitive decline
A system and method for prediction of cognitive decline, comprises an input receiving input data corresponding to brain activity of an individual and a processor coupled to the input for analyzing the input data to obtain a selected set of features, the processor co...
07/26/2011
7962204Method of recommending neurophysiological therapies
A method and system for utilizing neurophysiologic information obtained by techniques such as quantitative electroencephalography (QEEG), electrode recordings, MRI in appropriately matching patients with therapeutic entities is disclosed. The present invention enabl...
06/14/2011
7957793Methods for identifying neuronal spikes
A method for identifying neuronal spikes (extracellular action potentials) is described wherein measured microelectrode readings from tissue are reviewed to identify spikes (successive readings having prolonged rises and/or falls). The frequency of such spikes as a ...
06/07/2011
7949391System and method for regulating cardiac triggered therapy to the brain
A medical device system includes a brain monitoring element, cardiac monitoring element, therapy module and a processor. The processor is configured to activate the therapy module upon detection of a cardiac event in the cardiac signal. The processor is further conf...
05/24/2011
7949392System and method for monitoring or treating nervous system disorders
A medical device system that includes a brain monitoring element, cardiac monitoring element and a processor. The processor is configured to receive a brain signal from the brain monitoring element and a cardiac signal from the cardiac monitoring element. The proces...
05/24/2011
7945316System and method for monitoring or treating nervous system disorders
A medical device system for comparing a cardiopulmonary signal to a brain signal. In one embodiment of the invention, a medical device system is provided that includes a brain monitoring element, respiratory monitoring element and a processor. The processor is confi...
05/17/2011
7937138Method of monitoring brain function
A method for assessing brain state by analysing mammalian brain electroencephalogram (“EEG”) recordings using an eighth order autoregressive and fifth order moving average discrete time equation. ...
05/03/2011
7933646Clustering of recorded patient neurological activity to determine length of a neurological event
Apparatus and method detect a detection cluster that is associated with a neurological event, such as a seizure, of a nervous system disorder and update therapy parameters that are associated with a treatment therapy. The occurrence of the detection cluster is detec...
04/26/2011
7933645Use of EEG to measure cerebral changes during computer-based motion sickness-inducing tasks
The invention relates to a method of determining early onset of motion sickness by brain imaging. The method discloses an objective means of determining the onset of motion sickness by evaluating a specific region of the brain. The method can also be utilized in eva...
04/26/2011
7925338Determination of the anesthetic state of a patient
The invention relates to the determination of the anesthetic state of a patient. In order to achieve a mechanism that enables establishment and maintenance of balanced anesthesia, values are established for a set of diagnostic indices. The set includes at least two ...
04/12/2011
7920914Method for monitoring the depth of anesthesia
A method for monitoring the depth of anesthesia is provided for detecting the conscious state of one being anesthetized in the recovery phase or induction phase of anesthesia course in order to facilitate an anesthesiologist to predict exactly the dosage of an anest...
04/05/2011
7917199Patient event marking in combination with physiological signals
Methods for receiving a patient mark in an implanted device. A patient may experience symptoms that indicative of a neurological event or are common precursors to more severe clinical symptoms. The patient may activate a patient activator. Activation of the patient ...
03/29/2011
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