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Detecting muscle electrical signal

Subclass of:

600 - Surgery

600300000 - DIAGNOSTIC TESTING

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DocumentTitleDate
20110184308SYSTEM AND METHODS FOR DETERMINING NERVE PROXIMITY, DIRECTION, AND PATHOLOGY DURING SURGERY - The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.07-28-2011
20100152603SURGICAL ACCESS SYSTEM AND RELATED METHODS - A surgical access system including a tissue distraction assembly and a tissue refraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.06-17-2010
20090192403System And Methods For Performing Surgical Procedures and Assessments - The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.07-30-2009
20090281448Wireless Skin Surface Potential Sensing System and Method - A sensing apparatus and method allows a patient to control an object by asserting a motor unit action potential. An electromyogram sensor is configured to be placed at a selected location on the patient and to sense a motor unit action potential from the patient. The electromyogram sensor is also configured to generate an EMG signal representative of the motor unit action potential. A personal area network transmitting device that is responsive to the EMG signal is configured to generate a wireless signal that corresponds to the EMG signal. A personal area network receiving device is configured to receive the wireless signal and to convert the wireless signal into an electrical signal. A processor is configured to receive the electrical signal and to generate at least one control signal that has a value corresponding to a state of the electrical signal.11-12-2009
20100076335System and Methods for Performing Surgical Procedures and Assessments - The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.03-25-2010
20100137736INVOLUNTARY CONTRACTION INDUCED PRESSURE AS A MEDICAL DIAGNOSTIC TOOL USING INVOLUNTARY REFLEX COUGH TEST - A system and method allows diagnosis of a patient for physiological abnormality such as a neurological deficiency. An involuntary reflex cough event is induced within the patient that activates the nucleus ambiguus and medial motor cell column of the patient and stimulates involuntary cough activated paraspinal muscles in the pelvis of the patient. An electromyogram (EMG) is obtained from the involuntary cough activated paraspinal muscles while inducing involuntary reflex cough and determining its duration. The intra-abdominal pressure (IAP) is determined and the IAP is correlated with the EMG duration of the involuntary cough event within a processing device to diagnose a physiological abnormality such as a neurological deficiency within the patient.06-03-2010
20130035606Multi-Wave Signals to Reduce Effects of Electrode Variability - Subject matter includes a method comprising: applying a first electrical signal to particular locations of a subject via at least one electrode pair; applying a second electrical signal to the particular locations of the subject via the at least one electrode pair, wherein the second electrical signal is applied alternately and repeatedly with the first electrical signal; determining a first electrical impedance based, at least in part, on the first electrical signal; determining a second electrical impedance based, at least in part, on the second electrical signal; and removing at least a portion of varying electrical characteristics of the at least one electrode pair by calculating a difference between the first electrical impedance and the second electrical impedance.02-07-2013
20100042012Diagnostic device for remote sensing and transmitting biophysiological signals - A diatrophic, bio-physiological interface is self-contained with onboard intensification, filtering, and signal processing and is wirelessly enabled (idio-electrode), with multiple sensory system for bio-physiological measurements, described herein utilizes spatially resolved potential profiles from a cluster of mini electrodes to form constituent sets comprising mini sensorial electrodes. The sets of sub electrodes containing the clusters are jointly optimized to attain measurable gradient of some diagnostic value. The present invention provides a distinct lead-free single electrode that is rotationally invariant with onboard Digital Signal Processor for arrhythmia detection, source encoding, and passive and active wireless transmission. Additionally, in one aspect of the present invention the lead-free idio-electrode bio-physiological adapter allows for utmost clinical operational freedom and dramatically obviates the needs for leads of any length that invariably encumber the acquisition and performance of electrocardiogram recordings of any sort.02-18-2010
20100106044EMG measured during controlled hand movement for biometric analysis, medical diagnosis and related analysis - Biometric assessment is performed by use of electromyography (EMG) signals detected from muscles at several locations on the hand/or other part of the body subject to fine motor control. The EMG signals are sensed and registered and the sensed signals are processed for use in performing the biometric assessment.04-29-2010
20120184871EXERCISE MONITOR AND METHOD FOR MONITORING EXERCISE - An exercise monitoring apparatus, system, and method are disclosed herein to reliably monitor an exercise using an inertial sensor and a electromyographic sensor. The sensed information may be used to determine a muscle fatigue associated with the exercised muscle and may reduce health risk factors associated with immoderate exercise. The exercise monitoring apparatus as embodied and broadly disclosed herein may include a communication unit adapted to receive muscle movement and electromyographic information from a physical information measuring apparatus. The exercise monitoring apparatus may further include a controller configured to acquire identification information related to the muscle, determine a type of exercise based upon the acquired identification information and the muscle movement related signal, and measure muscle fatigue based upon the type of exercise, the muscle movement related signal, and the electromyographic signal.07-19-2012
20130090568Neurophysiologic Monitoring System - The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.04-11-2013
20130072811NEURAL MONITORING SYSTEM - A neural monitoring system for determining a proximity between a stimulator and a nerve within an intracorporeal treatment area of a human subject includes a stimulator, a mechanical sensor, and a receiver. The stimulator is configured to extend within the intracorporeal treatment area and to provide an electrical stimulus therein. The mechanical sensor is configured to be placed in mechanical communication with the muscle and to generate a mechanomyography output signal corresponding to a sensed mechanical movement of the muscle. The receiver is configured to: receive the mechanomyography output signal from the mechanical sensor; receive an indication of a magnitude of the provided intracorporeal stimulus; determine a magnitude of acceleration of the muscle from the received mechanomyography output signal; and determine a proximity between the stimulator and the nerve from the magnitude of the provided intracorporeal stimulus and the magnitude of acceleration of the muscle.03-21-2013
20130072812NEURAL MONITORING SYSTEM - A neural monitoring system for detecting an induced response of a muscle to a stimulus provided within an intracorporeal treatment area of a human subject includes a mechanical sensor configured to be placed in mechanical communication with the muscle and to generate a mechanomyography output signal corresponding to a sensed mechanical movement of the muscle, and a receiver in communication with the mechanical sensor. The receiver is configured to: receive the mechanomyography output signal from the mechanical sensor; compute a time derivative of an acceleration of the muscle from the mechanomyography output signal; compare the computed time derivative of acceleration to a jerk threshold; and indicate that the sensed mechanical movement of the muscle was induced by the provided intracorporeal stimulus if the computed time derivative of acceleration exceeds the jerk threshold.03-21-2013
20110021943NEURAL INTERFACE - This invention relates to the neural interface comprising one or more electrode-coupled microchannels. Each electrode-coupled microchannel comprises a microchannel for accommodating regenerating nerve axons; and one or more electrodes exposed to the interior of said microchannel. The one or more electrodes may comprise (i) a stimulation array suitable for generating an extracellular stimulus current which induces an action potential in an axon in the microchannel; and/or (ii) a recording array which detects an extracellular signal in the microchannel indicative of an action potential in an axon in the microchannel. Interfaces as described may be useful in blocking pain, treating misrouted motor nerves; repair or treating nerve injury; or controlling or providing sensation and/or proprioception from a prosthesis.01-27-2011
20130165813SENSOR FOR ACQUIRING MUSCLE PARAMETERS - A sensor for acquiring EMG and MMG signals is provided, including a substrate, an inertial sensing element received in a hole of the substrate, a circuit element disposed on the substrate, a plurality of electrical connecting members connecting the inertial sensing element with the substrate, and a sensing ring disposed on the substrate and surrounding the hole. The electrical connecting members are flexible, and the circuit element and the sensing ring are disposed on opposite sides of the substrate.06-27-2013
20120238895Surgical Access System and Related Methods - A system for accessing a surgical target site and related methods, involving an initial distraction system for creating an initial distraction corridor, and an assembly capable of distracting from the initial distraction corridor to a secondary distraction corridor and thereafter sequentially receiving a plurality of retractor blades for retracting from the secondary distraction corridor to thereby create an operative corridor to the surgical target site, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.09-20-2012
20120238894System and Method for Analyzing Progress of Labor and Preterm Labor - Systems and methods for monitoring uterus contraction activity and progress of labor. The system of the subject invention can comprises (1) a plurality of sensors; (2) an amplifying/filtering means; (3) a computing means; and (4) a graphical user interface. Accurate clinical data, which can be extracted and provided to the user in real-time using the system of the invention, include without limitation, progress of labor, prediction and monitoring of preterm labor, and intrauterine pressure prediction. In a preferred embodiment, the system of the invention includes an intelligence means, such as a neural network system, to analyze and interpret clinical data for use in clinical diagnosis as well as delivery strategy.09-20-2012
20120238893System and Methods for Determining Nerve Direction to a Surgical Instrument09-20-2012
20110087128MUSCLE TONUS MEASURING APPARATUS - Forces applied to cause flexion and extension movements of a joint of a subject (04-14-2011
20100249639AIRWAY MANAGEMENT DEVICES, ENDOSCOPIC CONDUITS, SURGICAL KITS, AND METHODS OF USING THE SAME - One aspect of the invention provides an airway management device including: an endotracheal tube having a proximal end and a distal end and a sheath adjacent to the endotracheal tube. The sheath includes a proximal end and a distal end. The distal end of the endotracheal tube extends beyond the distal end of the sheath. Another aspect of the invention provides a surgical kit including an airway management device and instructions for use. The airway management device includes: an endotracheal tube having a proximal end and a distal end and a sheath adjacent to the endotracheal tube. The sheath includes a proximal and a distal end. The distal end of the endotracheal tube extends beyond the distal end of the sheath.09-30-2010
20100305467System For Remote Management In Ambient Intelligence Environments Using Electromyographic Signals - The system is comprised of an interface (12-02-2010
20110190652SYSTEM AND METHOD FOR ACQUIRING AND DISPLAYING UTERINE EMG SIGNALS - A system and method for acquiring and processing uterine EMG signals from a maternal patient. Raw uterine EMG signals are acquired and processed in a central unit designed to isolate the patient and any internal circuitry from electrical shock. The central unit has a circuit board that amplifies and filters the EMG signal, then transmits the signal to an AID converter, after which the digitized signal is transmitted to a computer for further processing of the signal and subsequent display of a signal representative of uterine activity. The system and method provide a more accurate measurement of uterine EMG signals than a tocodynamometer or IUPC, and are useful in predicting delivery or monitoring the patient during post partum uterine activity.08-04-2011
20090177109METHODS AND DEVICES OF MULTI-FUNCTIONAL OPERATING SYSTEM FOR CARE-TAKING MACHINE - The methods and devices of a multi-functional operating interface for a care-taking machine. The multi-functional operating interface of the care-taking machine includes: muscle stretch sensor, multiplexer amplifying wave filter, analog-to-digital signal converter, image processing unit, and muscle pattern database and control bus. Aided by the present muscle template training method and potential image data collecting and processing method, it can become an interface that offers the user of a care-taking machine instantaneous and unlimited controllability of the machine, enabling such people, either sick or handicapped, to enjoy more convenience and better life.07-09-2009
20120108999METHOD AND APPARATUS FOR DETECTING SEIZURES - A method of detecting seizures may comprise receiving an EMG signal and processing the received EMG signal to determine whether a seizure characteristic is present in the EMG signal during a time window. An apparatus for detecting seizures with motor manifestations may comprise one or more EMG electrodes capable of providing an EMG signal substantially representing seizure-related muscle activity; and a processor configured to receive the EMG signal, process the EMG signal to determine whether a seizure may be occurring, and generate an alert if a seizure is determined to be occurring based on the EMG signal.05-03-2012
20100125220SURGICAL METHOD FOR GASTROCNEMIUS MUSCLE REDUCTION - A surgical method for gastrocnemius muscle reduction is provided. The method may search for a motor nerve associated with a gastrocnemius muscle of a patient, inserts a probe by penetrating an epidermis around the motor nerve and locates a tip of the probe in the motor nerve, stimulates the motor nerve through supply of an electric signal to the probe, thereby shutting down the motor nerve.05-20-2010
20090088660SYSTEM AND METHODS FOR NERVE RESPONSE MAPPING - Systems and methods are described to detect and anatomically map the location of active nerves or nerve bundles before, during, or after surgical procedures. The optical-based system supports and provides for methods to stimulate nerves in a non-electrolytic manner to activate or stimulate nerves within muscular tissue within the surgical field so that a given nerve's anatomical location or level of functional activity may be made contemporaneously apparent to the surgeon or operating personnel in the form of a neural activity map. The neural activity map provides for mapping of nerve location and classifying the mapped nerves by functional levels. The contemporaneously presented neural activity map enables the surgeon or operating personnel to initially plan a neural muscular surgery before undertaking incisions, or modify the surgical procedure based upon the updated neural mapping of the surgical region of interest.04-02-2009
20090299210Systems and methods for performing surface electromyography and range-of-motion test - A soft-tissue-injury diagnostic system for diagnosing soft tissue injury within a patient includes a set of hand-held inclinometers configured and arranged for measuring angles formed between a first inclinometer disposed in proximity to a patient joint and a second inclinometer disposed distal to the joint during controlled patient movements of the joint. A plurality of measuring electrodes are coupleable in proximity to the patient's spine along the body portion that moves along the joint. The measuring electrodes are configured and arranged for measuring action potentials along patient muscle groups during the controlled patient movements of the joint and transmitting the measured action potentials to a dynamic surface electromyograph (“sEMG”) module. A hub receives and processes data from the inclinometers and the dynamic sEMG module. A visual display is configured and arranged for receiving and displaying the processed data.12-03-2009
20120271190APPARATUS FOR ELECTRICAL STIMULATION, IN PARTICULAR FOR BRUXISM - The present invention relates to a method and an apparatus for preventing, diagnosing, monitoring, and/or treating bruxism as well as related diseases of an individual. In a first aspect the invention relates to an apparatus for preventing bruxism of an individual, comprising: means for applying a plurality of stimulation signals for providing relaxation of at least one of the masticatory and/or facial muscles of said individual, means for applying said stimulations signals with a predefined setting, and means for applying said stimulations signals independent of activity of said muscle(s). The invention may be suitable for both nocturnal and awake bruxism.10-25-2012
20120296230NEUROLOGIC MONITORING SYSTEM AND METHOD - A method, system, and products that allow for accurate localization, virtual depiction, and testing of nerve(s) or neural structures that course through or around a proposed surgical site are described. The method and system employs a variety of types of neurodiagnostic tests that incorporate sensory, motor, and mixed nerve conduction studies in an orthodromic and antidromic fashion as well as utilizing triggered electromyography. This method, system, and products allow for a much more specific and sensitive method to assess the baseline function and continued integrity of nerves and neural structures prior to, during, and after a surgical procedure.11-22-2012
20090005700MULTI-CHANNEL MYOELECTRICAL CONTROL USING SINGLE MUSCLE - One embodiment of the present invention provides a system that generates multiple control signals from an electromyographic (EMG) signal produced by a single muscle. During operation, the system obtains an EMG signal from a single muscle of a subject. The system then processes the EMG signal to generate two or more independent control signals from the single muscle.01-01-2009
20100137737TECHNIQUES FOR EVALUATING STRESS URINARY INCONTINENCE (SUI) USING INVOLUNTARY REFLEX COUGH TEST - A system and method evaluates a patient for stress urinary incontinence. An involuntary reflex cough event is induced within the patient that activates the nucleus ambiguous and medial motor cell column of the patient and stimulates involuntary cough activated paraspinal muscles in the pelvis of the patient. And elecromyogram (EMG) is obtained from the involuntary cough activated paraspinal muscles and its duration determined. Any urine leakage time that occurs during the involuntary reflex cough event is identified and correlated within a processor together with the urine leakage time and EMG and duration of cough event to determine stress urinary incontinence.06-03-2010
20080275360Arrangement and Method for Assessing the Motility of a Generally Tubular Anatomical Organ - The invention relates to an arrangement for assessing the motility of a generally tubular anatomical organ (11-06-2008
20110270118MEASURING AND DISPLAYING THE PROPAGATION VELOCITY OF UTERINE ACTION POTENTIALS TO DETERMINE THE ONSET OF LABOR - A method and system to examine and measure the propagation velocity of electrical activity in pregnant patients, labor and non-labor patients at term and preterm, and non-pregnant patients, thereby providing valuable information regarding the state of a patient's uterus. The method can include obtaining uterine EMG signals from a series electrodes, processing the raw uterine EMG signal in a signal processing module and assessing the temporal interval between adjacent electrodes. The propagation velocity can then be estimated by averaging the time required for the uterine EMG signal to traverse a distance between adjacent electrodes.11-03-2011
20080312549Method and Apparatus for Determining Spasticity - There is provided a system and a method for quantitative measurement of spasticity in a patient. It has been found that stretch reflex measurements, that are quantitatively indicative of spasticity, can be obtained by recording an EMG signal while the limb is being moved at a variety of angular velocities. The method advantageously allows the clinician to perform the test at the bedside by eliminating the need for cumbersome mechanical components for moving the limb while providing quantitative measurements.12-18-2008
20100137735Device And Method For Monitoring Muscular Activity - An apparatus and a method for monitoring muscle activity are provided. The apparatus comprises a sensor for detecting the generated electromyographic signals and processing means. The processing means generates an event signal if the electromyographic signal exceeds a predetermined power content within a predetermined time window. The event signal triggers an event, which may be an alarm. The apparatus further comprises communication means for transmitting the detected electromyographic signals from the sensor to the processing means. The means comprises the steps of detecting and evaluating the electromyographic signals. Furthermore, the method comprises generating an event signal and triggering an event by the event signal.06-03-2010
20100145219STATIONS FOR PERFORMING PHYSIOLOGICAL STRESS TESTS - Systems and methods are provided for evaluating the risk of stress-related injury associated with a predetermined activity. One embodiment involves collecting physiological data while a subject performs a predetermined task, collecting psychological data while the subject performs a cognitive task, and ascertaining the risk of stress-related injury based on both the collected physiological data and the collected psychological data. Another embodiment involves presenting a subject with a plurality of mental and physical tasks during which physiological data, psychological data, and/or both is collected, and determining the risk of stress-related injury based on the data collected. Yet another embodiment includes a test circuit for measuring stress responses that includes both physiological test stations and psychological test stations. Physiological stress is evaluated in the form of surface electromyography data that is quantified into a single index value, as will be described in detail herein.06-10-2010
20090005699Input system and computer readable recording medium - An input system executes an input to an information processing apparatus depending on the hand motion of a person. At least one myoelectric sensor is provided on an area between a wrist of the person and bases of a second finger to a fifth finger, and detects a myoelectric signal depending on the hand motion. A standard value obtaining portion outputs a command to make the person maintain a hand in a constant posture in a state where the myoelectric sensors is worn on the hand, and obtains a value based on the myoelectric signal detected by the myoelectric sensor after the output of the command, as a standard value. A calibration portion calibrates a myoelectric signal depending on the hand motion after the standard value is obtained by the standard value obtaining portion, with the standard value.01-01-2009
20090326406WEARABLE ELECTROMYOGRAPHY-BASED CONTROLLERS FOR HUMAN-COMPUTER INTERFACE - A “Wearable Electromyography-Based Controller” includes a plurality of Electromyography (EMG) sensors and provides a wired or wireless human-computer interface (HCl) for interacting with computing systems and attached devices via electrical signals generated by specific movement of the user's muscles. Following initial automated self-calibration and positional localization processes, measurement and interpretation of muscle generated electrical signals is accomplished by sampling signals from the EMG sensors of the Wearable Electromyography-Based Controller. In operation, the Wearable Electromyography-Based Controller is donned by the user and placed into a coarsely approximate position on the surface of the user's skin. Automated cues or instructions are then provided to the user for fine-tuning placement of the Wearable Electromyography-Based Controller. Examples of Wearable Electromyography-Based Controllers include articles of manufacture, such as an armband, wristwatch, or article of clothing having a plurality of integrated EMG-based sensor nodes and associated electronics.12-31-2009
20090209879System and Methods for Determining Nerve Proximity, Direction, and Pathology During Surgery - The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.08-20-2009
20090024051Estimation of F-wave times of arrival (TOA) for use in the assessment of neuromuscular function - A method and apparatus for the assessment of neuromuscular function by estimating motor unit F-wave component time of arrival (TOA), comprising: (i) determining and comparing F-wave component features so as to accurately identify individual F-wave components; (ii) repeatedly searching the individual F-wave components and extracting additional individual F-wavelets where possible so as to build a complete F-wave TOA profile; and (iii) computing and reporting TOA results for the assessment of neuromuscular function.01-22-2009
20090054803ELECTROPHYSIOLOGY MAPPING AND VISUALIZATION SYSTEM - Electrophysiology mapping and visualization systems are described herein where such devices may be used to visualize tissue regions as well as map the electrophysiological activity of the tissue. Such a system may include a deployment catheter and an attached hood deployable into an expanded configuration. In use, the imaging hood is placed against or adjacent to a region of tissue to be imaged in a body lumen that is normally filled with an opaque bodily fluid such as blood. A translucent or transparent fluid, such as saline, can be pumped into the imaging hood until the fluid displaces any blood, thereby leaving a clear region of tissue to be imaged via an imaging element in the deployment catheter. A position of the catheter and/or hood may be tracked and the hood may also be used to detect the electrophysiological activity of the visualized tissue for mapping.02-26-2009
20110230783NEURAL EVENT DETECTION - A method of detecting an induced muscle response includes monitoring a mechanical parameter of a muscle; computing an amount of muscle jerk from the monitored parameter; comparing the computed muscle jerk to a jerk threshold; and identifying the occurrence of an induced muscle response if the computed muscle jerk exceeds the threshold.09-22-2011
20110230782NEURAL MONITORING SENSOR - A sensing device for detecting a muscle event includes a mechanical sensor, such as an accelerometer, that is configured to provide a signal corresponding to a mechanical movement of a muscle, a plurality of electrodes disposed on the sensing device; and a contact detection device coupled with the plurality of electrodes and configured to detect if the sensing device is in contact with a subject.09-22-2011
20080262373Automated polysomnographic assessment for rapid eye movement sleep behavior disorder - Methods and systems for diagnosing or assessing rapid eye movement sleep behavior disorder (RBD). Muscle tone or activity variance during rapid eye movement (REM) and non-rapid eye movement (NREM) sleep intervals of a polysomnogram are compared. A threshold based on the NREM data is used to identify a subject-specific threshold for abnormality in the REM variance. A metric that includes the percentage of REM variance exceeding the threshold relates to RBD.10-23-2008
20080262372Medical Device Adapted to the Monitoring of Muscle Behaviour in Patients - The present invention is related to a medical device for monitoring limb muscle behaviour in a patient, said limb corresponding to a leg, an arm, or the neck, said medical device comprising: 10-23-2008
20090105604System and Methods for Monitoring During Anterior Surgery - The present invention involves a system and methods for nerve testing during anterior surgery, including but not limited to anterior total disc replacement surgery, nucleus replacement, and interbody fusion.04-23-2009
20090204016System And Methods For Performing Surgical Procedures and Assessments - The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system.08-13-2009
20090209878Systems and Methods for Estimating Surface Electromyography - A rehabilitation device is presented that is inexpensive to produce and is easy to use. The device uses a predictable method to estimate the activity of muscle and therefore provide many ways to train and rehabilitate a person having a prosthetic limb or other neuromuscular disorder.08-20-2009
20100152604SYSTEM AND METHODS FOR DETERMINING NERVE PROXIMITY, DIRECTION, AND PATHOLOGY DURING SURGERY - The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.06-17-2010
20100160808INTERFACE SYSTEM UTILIZING MUSTICATORY ELECTROMYOGRAM - The interface system includes: an output section for visually presenting a manipulation menu for a device; a measurement section for measuring a masticatory electromyogram of a user; a menu presentation section for causing menu items of the manipulation menu to be presented in order via the output section; an amplitude calculation section for determining a maximum amplitude of a potential waveform of the masticatory electromyogram; a latency calculation section for determining a latency based on a point of highlighting each menu item as a starting point, the latency being an amount of time in which the potential waveform arrives at the maximum amplitude; and a determination section for determining whether the maximum amplitude is greater than a previously determined threshold value and the latency is approximately 200 ms or not. In accordance with the determination result of the determination section, the menu presentation section executes a process corresponding to the highlighted menu item.06-24-2010
20100210965APPARATUS AND METHOD FOR THE DETECTION OF NEUROMUSCULAR SIGNALS - A multi-electrode assembly for use in neuromuscular testing, the multi-electrode assembly comprising:08-19-2010
20100222695 Autonomous Wireless System for Evoked Potential Measurements - The present invention provides a Vestibular Evoked Myogenic Potential monitoring system comprising an autonomous integrated system. The integrated system comprises an output being arranged for transferring a stimulation signal via an actuator to an equilibrium organ of a person, a processing and controlling block having an integrated radio and antenna, and an array of electrodes being attachable in the vicinity of at least one muscle of said person and being arranged for recording the responsive signal and for transferring this signal to the processing and controlling block. The processing and controlling block of the integrated system is arranged for generating a stimulus, for storing and processing the recorded signals, and for sending the processed data via a WL link to a processor.09-02-2010
20100331718PROPAGATION TUNED OSCILLATOR FOR ORTHOPEDIC PARAMETER MEASUREMENT - A measurement system for capturing a transit time, phase, or frequency of energy waves propagating through a propagation medium (12-30-2010
20110213267Method for identifying and evaluating parallel motor control function in the brain based on electromyogram signals - The present invention provides a system for evaluating motor control function in the brain. This system is for evaluating the motor control function in the brain of a subject from the electromyogram (EMG) data of joint prime movers and the data on the position, velocity and acceleration of the joint, wherein both of the data have been obtained by measuring a target-tracking movement performed by the subject with a motion measurement unit that tracks a moving target, the system comprising the following means (a) to (c): 09-01-2011
20120245483System And Garment For Muscle Relaxation Of A Spastic Muscle - The present invention relates generally to muscle relaxation. Muscle relaxation is desired in many disease states, including spastic paresis and biomechanical and neuromuscular dysfunction. More specifically, the invention relates to a system that causes muscle relaxation by reducing muscular spasticity through the stimulation of joints and muscles. The system consists of a garment with electrodes, a hardware unit and software controlling the stimulation.09-27-2012
20120245482Anesthesia Monitoring Device and Method - A patient monitoring system to measure the depth of anesthesia, and to provide a physician warning during a surgical procedure.09-27-2012
20110251512SYSTEM AND METHOD FOR ACQUIRING AND DISPLAYING ABDOMINAL EMG SIGNALS - A system and method for acquiring and processing abdominal EMG signals from a maternal patient to indicate when a maternal patient should push to progress the labor toward delivery. Raw abdominal EMG signals are acquired and processed in a central unit designed to isolate the patient and any internal circuitry from electrical shock. The central unit has a circuit board that amplifies and filters the EMG signal, then transmits the signal to an A/D converter, after which the digitized signal is transmitted to a computer for further processing and subsequent display of a signal representative of abdominal activity. The system may also acquire and process uterine EMG signals that can be evaluated in conjunction with the abdominal EMG signals.10-13-2011
20110071417Systems and methods for reproducing body motions via networks - Disclosed are systems and methods for reproducing a body motion via a network, and systems, devices and methods for identifying a body motion. In an embodiment, the system for reproducing a body motion via a network comprises a sensor configured to capture a surface electromyography signal generated by a body motion of a user at a first terminal in the network; a processor configured to receive the signal from the sensor and identify the body motion based on the received signal, and send information associated with the body motion to a second terminal in the network, the processor being located in the first terminal; and a mechanical member configured to receive the information associated with the body motion from the second terminal and reproduce the body motion based on the received information.03-24-2011
20120203133METHOD OF AND APPARATUS FOR MONITORING OF MUSCLE ACTIVITY - Apparatus for monitoring muscle activity, said apparatus comprising means for providing signals indicative of muscle activity, for example EMG-signals, means for processing of said signals in order to detect a particular activity and means for providing a feedback signal, wherein said device is designed in order to be individually adaptable in a set-up mode. The apparatus can be used for detecting and prevention of undesired activities such as bruxism, movements that are damaging or unwanted etc. The detection can be performed with great certainty since the individual parameters of the user are utilized for laying down reference values, threshold values, criteria for triggering of feedback signals, etc., which may take place at a set-up procedure.08-09-2012
20120203132DEVICE AND METHOD FOR APPLYING PRESSURE TO A BODY LIMB - Provided is a device for providing pressure to a body limb. The device includes an actuating unit configured to apply a varying pressure to a first region of the limb and a sensing unit monitoring a state of a second region of the limb and generating a time dependent signal indicative of the state of the second region of the limb. A processor analyzes the signal generated by the sensing unit and determines a time dependent state of the second region. The processor activates the actuating unit to generate a time dependent pressure on the first region of the body limb based upon the time dependent state of the second region.08-09-2012
20110040203EVALUATION OF GASTROINTESTINAL FUNCTION USING PORTABLE ELECTROVISCEROGRAPHY SYSTEMS AND METHODS OF USING THE SAME - Portable electroviscerography systems are provided. Aspects of the systems include a body-associated receiver and an ingestible identifier unit, both of which are configured to detect visceral electrical signals. The system communicates with an extra-corporeal data processor configured to receive data from the body-associated receiver and generate and electroviscerogram from the received data. Also provided are methods of producing electroviscerograms using systems of the present invention.02-17-2011
20080243023Device For Preventing Bruxism - A device for preventing bruxism includes a carrier (10-02-2008
20110118621MUSCULAR ENERGY STATE ANALYSIS SYSTEM AND METHOD FOR SWING MOTION AND COMPUTER PROGRAM PRODUCT THEREOF - A muscular energy state analysis system and method for a swing motion and a computer program product thereof are provided. The system includes: a swing implement, for a user to perform the swing motion, and including an acceleration sensor for sensing acceleration of the swing implement when the swing implement is swung, so as to generate a swing speed data; a plurality of signal detection modules, for detecting electromyographic (EMG) signals generated by a muscles of the user; a database, for storing a muscular energy sample value; a muscular energy analysis module, for analyzing the EMG signals and the swing speed data so as to obtain a plurality of muscular performance values; and a comparison module, for comparing the swing speed data and the muscular performance values with the at least one muscular energy sample value in the database, so as to generate a comparison result data.05-19-2011
20110152711SYSTEMS AND METHODS FOR TESTING VESTIBULAR AND OCULOMOTOR FUNCTION - The invention relates to systems and methods for testing vestibular and oculomotor function. One aspect of the invention provides a vestibular and oculomotor function testing device including a track supported by a plurality of bearings, an engine configured to selectively displace the track, and a head coupling component coupled to the track. The head coupling component is configured to convey a movement generated by the engine to a subject's head in one or more axes.06-23-2011
20090171233BIOFEEDBACK SYSTEM AND DISPLAY DEVICE - A biofeedback system and a display device for the use in the biofeedback system. Also disclosed is a method for a biofeedback treatment of a person or an animal. Biofeedback is a therapy method which is used in rehabilitation facilities, for example in the neurological rehabilitation. A neural signal magnitude below a certain threshold does not result in a muscle response, for example, because the provided stimulus is insufficient to trigger the muscle. In order to provide a patient with an intuitive feedback of the sub-threshold neural signal nevertheless, the signal is detected and made recognizable to the patient.07-02-2009
20110137196QUANTITATIVE MOTOR FUNCTION EVALUATION SYSTEM - The system of the present invention includes (a) means for displaying image information including a target image and a cursor image for tracking the target image; (b) means used when the subject moves the cursor image; (c) means for detecting the state of tracking the target image by the cursor image; (d) means for detecting the muscle active state of the subject using the means (b); (e) means for analyzing the tracking state detected by the means (c) and the muscle active state detected by the means (d); and (f) means for evaluating the motor function of the subject by using results of analysis obtained by the means (e) as indexes.06-09-2011
20090062683THREE-DIMENSIONAL MONITORING OF MYOGRAPHIC ACTIVITY - A system comprising an electromyogram (EMG) system operative to sense electromyographic activity generated in a muscle, at least one position sensor, and a processor in communication with the EMG system and the at least one position sensor, the processor operative to process data of the EMG system and three-dimensional position and orientation information from the at least one position sensor to provide an output that comprises electromyographic activity data as a function of the three-dimensional position and orientation of the at least one position sensor.03-05-2009
20090036792Sensor system for detecting and processing EMG signals - A sensor system for detecting and processing EMG signals including a substrate having a bottom surface adapted for attachment to skin; a plurality of spaced apart electrode arrays projecting from the bottom surface so as to engage the skin and detect EMG signals in muscles located under the substrate; and four differential amplifiers connected to receive EMG signals from four distinct pairs of electrode arrays. The electrode arrays detect the action potentials of the muscle fibers from various orientations so that the shape of an action potential appears substantially dissimilar in each of the four differential pairs.02-05-2009
20110137197Implantable Device Employing Movement Sensing for Detecting Sleep-Related Disorders - Methods and systems for evaluating a pathological condition include acquiring movement information, such as electromyogram (EMG) information, and sleep disordered breathing (SDB) information, and detecting the presence of a pathological condition using both movement and SDB information. Methods may involve sensing physiological signals including at least muscle movement signals. Sleep-related disorders are detected using the sensed physiological signals, the sleep-related disorders including at least an involuntary muscle movement disorder and sleep-disordered breathing. Methods and systems also provide for detecting and treating a sleep-related disorder using movement and SDB information. Cardiac, respiratory, nerve stimulation, drug, or a combination of such therapies may be delivered to treat a detected or diagnosed pathological condition.06-09-2011
20120041331ADAPTABLE BREATHING MASK - The present invention is a breathing mask that is fully adjustable so as to enable a comfortable and leak proof seal around a patient's face. The mask includes a frame, a cushion, a hose connector, a strap, connector, a strap, and a headgear. The present invention ensures both comfort and effectiveness by enabling a full adjustment of various components such as the angle of the strap relative to the face mask and the adjustment of the size of the headgear. Furthermore, the present invention also allows for the free rotation of certain elements in order to maintain a sufficient seal without increasing the pressure applied to the patient.02-16-2012
20120209134CLASSIFICATION ESTIMATING SYSTEM AND CLASSIFICATION ESTIMATING PROGRAM - A classification estimating system can include an input element group; an intermediate element group into which are input values of first intermediate variables for which a first multiple desensitization, including an accumulation of values of each input element of a first input element group and each value of a first output sensitivity and each value of a first multiplex output sensitivity, has been carried out and calculated; an output element group into which is input a value of an output variable calculated based on a value of each intermediate element of a first intermediate element group and a value of each connection weight; a classification information estimating module for estimating classification information based on pre-stored correspondence relationship information and a value of the output variable; and a classification information display.08-16-2012
20120065538ELECTROMYOGRAPHIC (EMG) DEVICE FOR THE DIAGNOSIS AND TREATMENT OF MUSCLE INJURIES - An electromyographic (EMG) device for the diagnosis and treatment of muscle injuries associated with pain, stiffness, and movement disorders which is configured for diagnosing chronic and recurrent muscle pain and which includes two active EMG electrodes and an EMG reference electrode which when attached to the subject patient can measure and display electromyographic signals. The device includes an integrated stimulator that can be used for treating chronic and recurrent muscle pain, by evoking stimulation, or E-stim, location. The device includes a visual display system for displaying raw and processed EMG and is configured to provide for audio feedback based on the raw EMG.03-15-2012
20110071418APPARATUS FOR DIAGNOSING MUSCULAR PAIN AND METHOD OF USING SAME - Apparatus and method for diagnosing a source of muscular pain, wherein the apparatus includes a housing, an electrical signal generator mounted within the housing, and a pair of electrodes, one of which is mounted on one end of the housing and the other of which is mounted on an opposite end of the housing. The generator may include either an analog waveform generator or a digital signal processor. Each of the electrodes stimulates a muscle with an electrical signal generated by the generator. One of the electrodes has a relatively small contact area for targeting smaller muscles or muscle groups, while the other electrode has a relatively large contact area for targeting larger muscles or muscle groups. The apparatus is a self-contained, wireless unit and is highly maneuverable, which allows a user to quickly and easily diagnose a source of muscle pain.03-24-2011
20120109000SYSTEM AND METHODS FOR DETERMINING NERVE PROXIMITY, DIRECTION, AND PATHOLOGY DURING SURGERY - The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.05-03-2012
20110066066DEVICE FOR THE DETECTION OF SYMPTOMATIC JAW BEHAVIOUR - A device for detecting symptomatic jaw behaviour in a user includes a mouthpiece (03-17-2011
20110105941ELECTRODE CONNECTION MONITORING - The present invention relates to an apparatus and a method for measuring muscular activity, in particular in relation to bruxism, and providing an electrical stimulation in response to the measured muscular activity through electrodes applied to the skin of an individual, wherein the quality of the connectivity of the electrodes to the skin is monitored and the electrical stimulation signal is changed based on said quality measurement.05-05-2011
20110105940METHOD FOR QUANTIFICATION OF TITER OF NEUTRALIZING ANTIBODY TO NEUROTOXIN - A method for quantification of a titer of a neutralizing antibody to a neurotoxin is disclosed. The method comprises the steps: (a) mixing a standard sample containing a fixed amount of a neurotoxin and a test sample containing a neutralizing antibody to said neurotoxin; (b) administering the mixture obtained in step (a) into the muscle of a non-human mammal; (c) applying electric stimulus to said non-human mammal; (d) measuring a compound muscle action potential (CMAP) due to contraction of the muscle of said mammal by application of electric stimulus with an electromyograph; and (e) analyzing CMAP amplitude data obtained in step (d) for an extent of decrease in amplitude by a non-neutralized neurotoxin to thereby quantify a titer of the neutralizing antibody contained in the test sample.05-05-2011
20120220891System and Methods for Determining Nerve Proximity, Direction, and Pathology During Surgery - The present invention involves systems and methods for determining nerve proximity, nerve direction, and pathology relative to a surgical instrument based on an identified relationship between neuromuscular responses and the stimulation signal that caused the neuromuscular responses.08-30-2012
20120215128Managing Body Composition - Among other things, at least two different independent providers of body composition management services are enabled to have online access through respective graphical user interfaces to body composition information and plans that are associated with respective clients of the providers and that are stored on the server. The graphical user interfaces are different for different independent providers. At least some of the information and plans associated with the clients of the different independent providers are stored in a common format in a common database maintained by the server.08-23-2012
20120172745MUSCLE SYNERGY ANALYSIS METHOD, MUSCLE SYNERGY ANALYZER, AND MUSCLE SYNERGY INTERFACE - Disclosed is a muscle synergy analysis which comprises detecting a myoelectric signal generated at each muscle of an antagonistic muscle pair group of a subject; calculating, as time-series data, an antagonistic muscle ratio of an antagonistic muscle pair at a myoelectric signal level from a myoelectric signal detected during a predetermined motion by the subject; and conducting multi variate analysis using the antagonistic muscle ratio at each time of the time-series data as a variable to calculate a principal component including at least a first principal component having high contribution to correlation.07-05-2012
20120316453SYSTEMS AND METHODS FOR PROVIDING BIOMETRIC RELATED TO PERFORMANCE OF A PHYSICAL MOVEMENT - A biometric feedback system for providing biometric feedback to a subject while the subject performs a controlled physical movement includes an applied-force-recording interface and at least one controller electrically coupled to the applied-force-recording interface. The at least one controller receives applied force from the subject during the controlled physical movement and the applied-force-recording interface records data related to the applied force. The biometric feedback system also includes a dynamic surface electromyograph (“sEMG”) device that detects muscle tension along at least one muscle group of the subject while the subject performs the controlled physical movement and records data related to the muscle tension. A hub receives and processes data from the applied-force-recording interface and the dynamic sEMG device. A visual display displays the processed data from the hub.12-13-2012
20100010367System and methods for monitoring during anterior surgery - The present invention involves a system and methods for nerve testing during anterior surgery, including but not limited to anterior disc replacement surgery, nucleus replacement, and interbody fusion.01-14-2010
20110004118NEURAL PROSTHESIS SYSTEM AND METHOD OF CONTROL - Multiple designs, systems, methods and processes for control using electrical signals recorded from clinically paralyzed muscles and nerves are presented. The discomplete neural prosthesis system and method for clinically paralyzed humans utilizes a controller. The controller is adapted to receive a volitional electrical signal generated by the human that is manifest below the lesion that causes the clinical paralysis. The controller uses at least the volitional electrical signal to generate a control signal that is output back to a plant to change the state of the plant, which in one aspect is one or more of the user's paralyzed muscles to achieve a functional result or to devices in the environment around the user that are adapted to receive commands from the controller.01-06-2011
20110004117IMPLANT PARAMETER SELECTION BASED ON COMPRESSIVE FORCE - Systems and techniques for determining in vivo mechanical load exerted on an implanted medical device (IMD) are described. A transfer function for determining a normal force exerted by a muscle based on an in-line force and muscle parameters is also described.01-06-2011
20120265090SYSTEM AND METHOD OF ACQUIRING UTERINE EMG SIGNALS AND WIRELESSLY TRANSMITTING THE SAME - A system and method of acquiring and transmitting uterine EMG signals is disclosed, where a signal processing module processes incoming uterine EMG signals from a patient and wirelessly transmits a processed signal to an information relaying device. The information relaying device is then configured to download the processed signal and transmit the signal to a call center or health care facility for physician evaluation. The system is ambulatory, thus allowing the patient to record and transmit uterine EMG signals anywhere a satisfactory transmission may be made.10-18-2012
20120271191Multi-Channel Stimulation Detection Algorithm for Use with Neurophysiology Monitoring Systems - The present invention relates generally to an algorithm aimed at neurophysiology monitoring, and more particularly to an algorithm capable of quickly finding stimulation thresholds over multiple channels of a neurophysiology monitoring system.10-25-2012
20100198099NERVE MONITORING DURING ELECTROSURGERY - A signal processing module includes an input module electronically coupled to a sensing probe of a nerve integrity monitoring system. The probe senses electrical signals from a patient during operation of an electrosurgical unit. The input module receives an input signal from the probe. An EMG detection module is coupled to the input module and is adapted to detect conditions in the input signal. The conditions are classified as a function of a level of electromyographic activity. An output module, coupled to the EMG detection module, provides an indication of electromyographic activity in the input signal based on the detected conditions.08-05-2010
20120089044BIOLOGICAL SIGNAL DISPLAY APPARATUS - A biological signal display apparatus includes: a stimulation unit which performs stimulation on a living body; a measurement unit which measures an evoked response evoked by the stimulation; a calculator which calculates a feature amount of the evoked response; a display unit; and a display controller which, based on the feature amount calculated by the calculator, displays a bar-shaped image on the display unit, each time when the stimulation is performed, the bar-shaped image corresponding with the evoked response on the display unit.04-12-2012
20130012830METHOD AND APPARATUS FOR DETECTING SEIZURES - A method and apparatus for detecting seizures with motor manifestations including detecting EMG signals, isolating from the EMG signals spectral data for a plurality of frequency bands, and calculating a T-squared value there from. The T-squared values may be detected in real time, such as in a patient's home environment, and the T-squared data may be compared to a threshold T-squared value to determine whether an alarm is sent.01-10-2013
20080243024Detection and classification of neuromuscular late wave activity for the assessment of neuromuscular function - A method for the assessment of neuromuscular function by the detection and classification of late wave activity, comprising: (i) pre-processing an ensemble of traces so as to attenuate noise, PFI and baseline disturbances; (ii) identifying time segments of late wave activity in the ensemble of traces; (iii) classifying the time segments of late wave activity into F-wave, A-wave and Repeater segments by exploiting the variable morphology of F-waves across the traces and the fixed morphology of A-waves and Repeater waves across the traces; and (iv) searching the traces in the vicinity of the F-wave trace segments on a trace-by-trace basis so as to identify the F-wave onset latency.10-02-2008
20130178758Electromyography System - Methods for determining structural integrity of a bone within the spine of a patient, the bone having a first aspect and a second aspect, wherein the second aspect separated from the first aspect by a width and located adjacent to a spinal nerve. The methods involve (a) applying an electrical stimulus to the first aspect of the bone; (b) electrically monitoring a muscle myotome associated with the spinal nerve to detect if an onset neuro-muscular response occurs in response to the application of the electrical stimulus to the first aspect of the bone; (c) automatically increasing the magnitude of the electrical stimulus to until the onset neuro-muscular response is detected; and (d) communicating to a user via at least one of visual and audible means information representing the magnitude of the electrical stimulus which caused the onset neuro-muscular response.07-11-2013
20080221473System and Methods for Performing Pedicle Integrity Assessments of the Thoracic Spine - The present invention includes a system and methods aimed at surgery, and more particularly to a system and methods for monitoring nervous tissue to assess the integrity of a pedicle wall during or after pilot hole formation and before, during, or after screw implantation, particularly in the thoracic spine. The system also performs other neurophysiologic assessments including, but not necessarily limited to, neuromuscular pathway status, nerve proximity detection, nerve pathology monitoring, and spinal cord health monitoring.09-11-2008
20080200827Apparatus For Converting Electromyographic (Emg) Signals For Transference to a Personal Computer - The present invention is a circuit for acquiring EMG signals and transferring it directly to a standard personal computer (PC) by converting the EMG signals to the Universal Serial Bus (USB) interface. Once the EMG signals have been stored on the PC and made available to a doctor or other clinician, they may be displayed, tested, and/or manipulated to determine the relative health of the muscle that generated the original EMG signals.08-21-2008
20110237972NONINVASIVE MEASUREMENT OF UTERINE EMG PROPAGATION AND POWER SPECTRUM FREQUENCY TO PREDICT TRUE PRETERM LABOR AND DELIVERY - A method operable to more accurately predict true preterm labor and delivery is provided. Trans-abdominal uterine electromyography (EMG) and power spectrum (PS) analysis can identify electrical signals characteristic of labor at term and preterm with relatively high positive and negative predictive values. The use of propagation velocity (PV) of uterine EMG signals may either be done independently or in conjunction with PS analysis. This method involves applying at least two pairs of electrodes to a maternal abdomen. The time associated with measuring a voltage spike of a propagating myometrial wave traveling through the pairs of electrodes allows the amount of time required for the propagating myometrial wave to transverse the distance between electrodes to be determined. With this information a propagation velocity (PV) of the propagating myometrial wave may be determined. This PV may be compared to a labor positive predictive value (PPV). A favorable comparison indicates an increased probability of true preterm labor and delivery.09-29-2011
20130150749PROBE FOR DIAGNOSIS AND TREATMENT OF MUSCLE CONTRACTION DYSFUNCTION - A novel probe for recording EMG signals from muscles, in particular intravaginal signals from the pelvic floor muscles (PFM), is provided herein. The probe includes an insertion end having a suction head forming a vessel open at the top with attached electrodes and a distal end for attachment to a means of providing suction and an amplifier.06-13-2013
20130123656Control System and Apparatus Utilizing Signals Originating in the Periauricular Neuromuscular System - The invention enables a person to control the real or virtual action or movement of an output device in from one to three dimensions through the use of at least one electrical sensor which can either be implanted beneath the skin or placed on the surface of the skin as a part of a headset on either one side or if more than one sensor is used on both sides of a person's head in electrical communication with a vestigial periauricular nerve or muscle. Each sensor then communicates through a selected channel to transmit information preferably in digital form to an output device designating an action to be taken or the position of a target location for enabling the output device to perform the action or to move toward or to a target location through real or virtual space. At least one and preferably up to four sensors are located on each side of the head. The invention also provides a new method for enabling an individual to actuate or control an output device by first placing an electrical sensor on at least one side of the head in electrical communication with a vestigial periauricular nerve or muscle, then using a signal provided by the sensor for transmitting information designating an action to be performed or to move the device toward or to the target in real or virtual space.05-16-2013
20110313310MUSCLE-ACTIVITY DIAGNOSIS APPARATUS, METHOD, AND PROGRAM - A muscle-activity diagnosis apparatus includes: an acquiring section acquiring a myoelectric signal from a test subject; using the myoelectric signal as an original signal, a transformed-signal generating section generating a transformed signal by performing Hilbert transformation and inverse Fourier transformation on the original signal; a phase-velocity calculation section calculating a phase velocity of the myoelectric signal on the basis of phases of the original signal and the transformed signal; and on the basis of a plurality of feature quantities of a waveform of the myoelectric signal in a unit time and the plurality of feature quantities including at least a size of amplitude of the myoelectric signal and the calculated phase velocity, a state-identifying section identifying an activity state of a muscle of a predetermined part of a body of the test subject for each of the unit time.12-22-2011
20130190644ACUPRESSURE GLOVE - A glove for administering acupressure therapy has a front side having five finger extensions and a pocket at a tip of each of the finger extensions, and a rear side connected to the front side to form a glove with an opening at a bottom edge thereof. There are a plurality of projections that are adapted to be removably placed in each one of the pockets. The projections are of various sizes, so that the acupressure therapist can formulate a glove that is customized to the therapy to be administered.07-25-2013
20130204155Anesthesia Monitoring Systems and Methods of Monitoring Anesthesia - Provided are systems, devices and methods for monitoring anesthesia. For example, the methods, devices and systems are optionally used to assess neuromuscular blockade in a subject who has received a muscle relaxant (NMBA) agent.08-08-2013
20130204156Methods and Systems For Assessing Muscle Electrical Activity in Response to Stimulation of a Motor Nerve - Provided are systems, devices and methods for monitoring anesthesia. For example, the methods, devices and systems are optionally used to assess muscle electrical activity in response to stimulation of a motor nerve.08-08-2013
20120095360Neurophysiologic Monitoring System and Related Methods - The present invention relates to a system and methods generally aimed at surgery. More particularly, the present invention is directed at a system and related methods for performing surgical procedures and assessments involving the use of neurophysiology.04-19-2012

Patent applications in class Detecting muscle electrical signal