Abstract: Embodiments of the present disclosure are directed to apparatuses, devices, and methods for connecting a device to an endoscope. In one implementation, an apparatus for connecting a device to an endoscope includes a multi-tined connector and a locking sleeve. The multi-tined connector is configured to engage with a port of an endoscope having a non-circular flange. The multi-tined connector includes a body portion and a plurality of tines connected to the body portion. The body portion has a lumen axially extending therethrough and an outer locking interface. The tines are radially deflectable, have outer tapered surfaces, and operate between an engaged position and a disengaged position, wherein in the engaged position, the tines engage with the port. The locking sleeve operates between a locked position and an unlocked position. In the locked position, the locking sleeve holds the tines in the engaged position, and in the unlocked position, the locking sleeve leaves the tines in the disengaged position.

Abstract: The present disclosure relates to a cap for protecting an imaging instrument from damage caused by impact or poor handling. Exemplary devices can include a rigid outer shell and soft inner lining surrounding a distal tip of the instrument, to be applied between instrument use, and during instrument transport, disinfection, sterilization, and storage.

Abstract: A sterile adapter for arrangement between a sterilizable endoscope and a camera head with a distal end attachable to the endoscope, and a proximal end attachable to the camera head, wherein the sterile adapter has a tube with a longitudinal axis, with a longitudinal portion having an internal diameter reduced in a plane perpendicular to the longitudinal axis and which forms a central opening which is dimensioned such that, while a free propagation of light is possible between the endoscope and the camera head along the longitudinal axis, it is nonetheless made difficult to reach through an interior of the sterile adapter enclosed by the tube.

Abstract: A video processor includes: an image processing section including a front image enhancement processing section configured to perform first enhancement processing on a front image acquired from a front area in a subject by using an endoscope including an insertion portion which is inserted into the subject, and a side image enhancement processing section configured to perform second enhancement processing on a side image acquired from a side area located lateral to the front area by using the endoscope; and a control section configured to individually set an enhancement level of enhancement processing performed by the front image enhancement processing section and an enhancement level of enhancement processing performed by the side image enhancement processing section.

Abstract: There is provided herein an integrated manifold for the tip of a multiple viewing elements endoscope which combines the functionalities of the front holder, side holder/cage and fluid channeling components into a single part. The manifold includes square slots that are equipped with tracks. Square shaped lens assemblies having protrusions are used in the endoscope tip, such that the protrusions allow the optical assemblies to slide into the tracks of the square slots. This ensures gapless placement of viewing elements with no deviation in their position and field of view.

Abstract: The present disclosure is directed to an augmented reality surgical system. The system includes an endoscope that captures an image of the region of interest of a patient and an ECG device that records an ECG of the patient. A controller receives the image and applies at least one image processing filter to the image. The image processing filter includes a decomposition filter that decomposes the image into frequency bands. A temporal filter is applied to the frequency bands to generate temporally filtered bands. An adder adds each band frequency band to a corresponding temporally filtered band to generate augmented bands. A reconstruction filter generates an augmented image by collapsing the augmented bands. The controller also receives the ECG and processes the augmented image with the ECG to generate an ECG filtered augmented image. A display displays the ECG filtered augmented image to a user.

Abstract: An endoscope apparatus includes a processor. The processor acquires motion information representing a relative motion with respect to an imaging section and an object, and determines whether or not to perform a focus operation of causing an imaging section to bring an object into focus based on the motion information. The processor obtains global motion information representing a global relative motion with respect to the imaging section and the object based on the motion information, determines global motion information reliability that is reliability of the global motion information, and determines whether or not to perform the focus operation based on two or more frame images including a first frame image corresponding to a high reliability frame before a low reliability frame and a second frame image corresponding to the high reliability frame after the low reliability frame.

Abstract: An imaging unit includes: an imaging chip generating an image signal by receiving light via a light receiving surface and performing photoelectric conversion; at least one semiconductor chip having a size fitting into a plane, orthogonal to an optical axis direction, of projection of the imaging chip; a reinforcement member arranged on at least one side of the semiconductor chip; and a cover glass covering the light receiving unit of the imaging chip. The semiconductor chip is layered and mounted on a back of the light receiving surface of the imaging chip, the reinforcement member covers a connection interface between the imaging chip and the semiconductor chip, or a connection interface between the semiconductor chips, and interfaces between the reinforcement member and the imaging chip and the semiconductor chip are positioned in a plane of projection in an optical axis direction the imaging chip or the cover glass.

Abstract: An illumination lens is formed of one lens, and an aspherical surface is formed on an incident surface on which light generated from a light source is to be incident so that the incident surface has a convex shape in a paraxial region. In a case in which the amount of sag at each point on an aspherical surface corresponding to a height from an optical axis is expressed by a function of h, predetermined Conditional Expression, which is related to a height at which a second derivative of the function with respect to h is 0 and the maximum height of the aspherical surface, is satisfied. Predetermined Conditional Expression related to a refractive index of the illumination lens is satisfied.

Abstract: An endoscope reprocessing tool includes a connection portion connected to a fluid supply source, a first fluid outlet configured to lead out a fluid, one or a plurality of stands configured to place a distal end portion of an endoscope provided with a guide member configured to guide a treatment instrument to a concave portion, a first opening portion and a second opening portion configured to allow the distal end portion to cross, and a positioning portion configured to hit a proximal end side wall of the concave portion and position the distal end portion when the distal end portion is placed on the stands such that a first opening portion side is on a proximal end and a second opening portion side is on a distal end.

Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (I), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an intemal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.

Abstract: Architecture and a method for maximally stable extremal regions (MSERs)-based detection of exudates in an ocular fundus is disclosed. The architecture includes a communication interface to receive pixels of an ocular fundus image. The architecture further includes processing circuitry that is coupled to the communication interface. The processing circuitry is configured to automatically provide labels for light image regions and dark image regions within the ocular fundus image for a given intensity threshold and find MSERs within the ocular fundus image based on the labels. The architecture also determines MSER regions based on the MSER criteria and then highlights the pixels of the ocular fundus image that are located within MSER regions to indicate the exudates in the ocular fundus. The architecture is further configured to determine MSER ellipses parameters based on MSER regions and MSER criteria and then highlight the locations of the exudates in the ocular fundus.

Abstract: An image processing apparatus that processes a plurality of tomographic signals corresponding to light of mutually different polarization, acquired from an object using light interference, extracts candidate regions for depolarization regions of the object in a retardation image of the object, based on retardation values of the object obtained using the plurality of tomographic signals, and extracts depolarization regions of the object in an image indicating uniformity of polarized light in candidate regions, based on a value indicating uniformity of polarized light of the candidate regions, obtained using the plurality of tomographic signals of the candidate regions.

Abstract: An apparatus for motion compensated modelling of a parameter of an eye, comprising: a first measuring means for measuring a plurality of position parameters of the eye with respect to an optical reference coordinate system of the apparatus; a second measuring means for measuring an interference signal at a plurality of optical reference coordinates, wherein the measurement of the plurality of position parameters and measurement of the interference signal are time synchronised; means for correcting the interference signal to account for a displacements of a parameter of the plurality of position parameters; and means for modelling the eye parameter based at least in part on the corrected interference signal.

Abstract: A device for testing visual behavior of a person, including: an active display configured to display at least one visually predominant target in a plurality of positions that are variable over time and that are aligned along at least one line or column, and a unit for controlling the display. The unit is programmed so that consecutive display positions of the target follow, over time, a visual tracking protocol.

Abstract: Gonioscope devices are disclosed herein that are configured to enable a medical professional to view structure inside the eye that is ordinarily hidden from normal view. The gonioscope can be an integrally molded single piece that includes both a handle and a gonioscopic optical element. The proximal surface can have a viewing area and a light diffusing area. A recess can provide access to a wound site on the eye while the gonioscope is used for viewing. The handle can be configured to encourage proper alignment of the gonioscope with the eye. The gonioscope can provide an optical fixation point for the subject to focus on to facilitate proper alignment of the eye. The gonioscope can have one or more retention elements configured to engage the tissue of the eye around the contact surface to stabilize the gonioscope. The gonioscope can couple to a lid speculum.

Abstract: A portable spot-check system configured to assess the validity of a measured physiological parameter. The spot-check device can take into consideration a variety of factors to determine whether a valid measurement exists. For instance, the considerations can include signal stability, interference, signal IQ, patient movement, sensor position, timing of that measurement, comparison to previous or acceptable measurements, cancellation of measurement by the patient, confidence of the measurement, etc. The spot-check device can track a number of valid measurements. In some instances, the spot-check device is configured to provide a specified number of available measurements. If a valid measurement is recorded, the spot-check device can decrement the remaining number of available measurements.

Abstract: A patient monitoring device can be configured to provide fast and reliable physiological measurements in a variety of care settings including at a patient's home. The device can include a compact, standalone monitor with telehealth capabilities as well as an intuitive interface for use at home. The device can include a blood pressure, capnography, or pulse oximetry module. A device can include a sleek and continuous outer surface that is easy to clean and generally free of crevices, holes, or surfaces that collect external contaminants. For example, portions of the housing can connect together using a limited number of screws, thereby limiting a number of holes. The device can include a vent cover that can be rotated to reconfigure the function of the vent cover. For example, the vent cover can function as a stabilization feature and/or a cover for a ventilation hole, while permitting exhaust through the ventilation hole.

Abstract: A device (1) for processing and transmitting measured signals which correspond to implant parameters or biological parameters for monitoring and/or controlling medical implants, diagnostic devices or biological processes including: a biocompatible sterilizable covering (9); an electronic signal processing device (2) electrically connectable to at least one sensor (5) for processing measured signals received from the at least one sensor; a data memory (16) electrically connected to said signal processing device for storing data received from said signal processing device; and a data transmission device (4) electrically connected to said data memory for transmitting data received from said data memory to a remote data receiving device (6) which is connectable to an external data processing device (8). The signal processing device calculates statistically relevant data obtained from the measured signals, reducing the volume of stored data.

Abstract: An optical coherence tomographic image generation apparatus includes: a probe including a two-dimensional scanning mechanism therein reflecting a beam incident from one of sides of the probe while a position of the beam is shifted by time-division drive; an optical unit that detects an optical coherent light created by interference between the reference beam and scattered light returned by reflection from the measuring object irradiated through the probe with the measurement beam to generate an optical coherent tomographic image from the detection signal of the coherent light acquired in a time base in one of first or second operation modes. In the first operation mode, scanning is performed parallel on an optical irradiation plane at the measuring object in a first direction. In the second operation mode, scanning is performed parallel on the optical irradiation plane at the measuring object in a second direction orthogonal with the first direction.

Abstract: Disclosed is an imaging catheter system that utilizes optical coherence tomography and autofluorescence lifetime imaging microscopy. The disclosed imaging catheter system may include: an autofluorescence light source; an OCT device; a catheter device configured to receive rays inputted from the autofluorescence light source and an OCT light source of the OCT device and scan a specimen; an optical detector unit configured to detect autofluorescence generated from the specimen; and a first optics system configured to transfer the autofluorescence to the optical detector unit and transfer a ray of the OCT light source reflected from the specimen to the OCT device.

Abstract: Systems and methods for adjusting for non-invasive measurement of biological analytes. Exemplary methods include: illuminating an analyte using first light, the first light having a first excitation wavelength; detecting a first spectrum from the analyte illuminated by the first light, the first spectrum including a first Raman signal and fluorescence; illuminating the analyte using second light, the second light having a second excitation wavelength; detecting a second spectrum; illuminating the analyte using third light, the third light having a third excitation wavelength; detecting a third spectrum; recovering the first Raman signal using the first spectrum, the second spectrum, and the third spectrum using an inverse transform; and using the first Raman signal to identify and measure at least one molecule of the analyte using a database of identified Raman signals.

Abstract: Certain aspects relate to apparatuses and techniques for non-invasive optical imaging that acquires a plurality of images corresponding to both different times and different frequencies. Additionally, alternatives described herein are used with a variety of tissue classification applications, including assessing the presence and severity of tissue conditions, such as burns and other wounds.

Abstract: In one embodiment, an imaging system illuminates a surface of tissue with one or more spots of near-infrared (NIR) light within a field of view of a camera of the imaging system. The imaging system captures an image of the one or more spots of NIR light within the field of view of the camera of the imaging system. The imaging system calculates, for each of the one or more spots of NIR light in the captured image, a spot diameter, spot position, or spot shape in the captured image. The imaging system determines a distance between the imaging system and the surface of tissue, based on the calculated spot diameter, spot position, or spot shape of the one or more spots of NIR light in the captured image. The imaging system provides data indicative of the determined distance between the imaging system and the surface of tissue to an electronic display.

Abstract: A catheter including a monitoring body and a pair of markers disposed on the monitoring body, each marker of the pair of markers encircling the monitoring body, wherein the pair of markers are configured to indicate, through their appearance from a given point of view, an orientation of the monitoring body.

Abstract: A lesion detection system for use with a patient, comprising an optoacoustic guide wire assembly configured to be insertable into a patient's tissue. The optical acoustic guide wire assembly can be comprised of an optical waveguide have a first end and a second end, a light source coupled to the second end of the optical waveguide, wherein said light source configured to emit energy to the patient's tissue, at least one transducer configured to detect an ultrasound signal emitted from the patient's tissue in response to energy emitted from the light source, and a computer system.

Abstract: Disclosed is a pressure monitoring system for a patient that may include a measurement site, a tube, and a pressure transducer, in which, the tube is coupled between the measurement site of the patient and the pressure transducer and the tube contains a fluid for pressure measurement by the pressure transducer from the measurement site. The tube may comprise: a first tubing portion that includes an outer diameter and a plurality of inner diameters and that has a first tensile modulus, in which, the plurality of inner diameters of the first tubing portion form a plurality of fluid paths to contain the fluid; and, a second tubing portion, in which, the first and second tubing portions are coupled together to form the tube and the second tubing portion extends longitudinally with the first tubing portion in a continuous or intermittent manner.

Abstract: A monitoring system for monitoring a patient using a device, such as all orthosis system is provided. The system includes a monitor that can be incorporated or otherwise coupled to the device. The monitor can have a position sensor, a temperature sensor, and a device type sensor for monitoring the patient's implementation of a protocol. The data obtained from the monitor can be remotely analyzed by a healthcare professional and the protocol can be adjusted accordingly.

Abstract: A pressure pulse wave measurement apparatus includes: a sensor unit; a pressing unit configured to press the sensor unit; and a rotation control member configured to rotate the sensor unit about each of two axes orthogonal to a pressing direction of the pressing unit. The rotation control member includes a first member, a fast rotation member and a second rotation member. The first member and the first rotation member both include a first motion conversion mechanism for converting a rotational motion realized by the first rotation member being rotated, into a rotational motion of the sensor unit about one of the two axes, and the first member and the second rotation member both include a second motion conversion mechanism for converting a rotational motion realized by the second rotation member being rotated, into a rotational motion of the sensor unit about the other of the two axes.

Abstract: The instrument according to the present invention includes a band-like belt worn around a wrist, and a main body disposed at a portion of the belt corresponding to the volar surface or the dorsal surface of the wrist. An element for executing a blood pressure measuring function is mounted in the main body. A battery for supplying electric power to the element mounted in the main body is disposed at a portion of the belt located away from the main body in the circumferential direction around the wrist. A wire is provided in the belt, extends in the circumferential direction along the fluid bag, and electrically connects the element mounted in the main body and the battery. In the belt, the wire is disposed away from the fluid bag in the width direction perpendicular to the circumferential direction and extends along an edge section of the belt.

Abstract: A measurement sensor package and a measurement sensor reduce susceptibility to noise and enable highly accurate measurement. A measurement sensor package (1) includes a substrate (2), a lid (3), and a ground conductor layer (4). The substrate (2) contains a light emitter and a light receiver, and includes a substrate body (20), a plurality of ground via conductors (21), an frame-shaped ground conductor layer (22), signal wiring conductors (23), and an external connection terminal (24). The ground via conductors (21) are connectable to a ground potential, and are located outward from a first recess (20a) and a second recess (20b) included in the substrate body (20) in a plan view.

Abstract: A diagnosis assistance apparatus acquires a predetermined period's worth of biological information measured from a living body every heartbeat, from a storage unit storing the biological information, divides the biological information into multiple segments, generates fluctuating state information indicating the fluctuating state of the biological information in each segment, and displays a graph indicating the fluctuating state information of each segment on a display unit. Furthermore, if a certain piece of fluctuating state information is selected in the graph displayed on the display unit, the diagnosis assistance apparatus displays a graph indicating the biological information belonging to the segment corresponding to the selected piece of fluctuating state information on the display unit.

Abstract: Disclosed are a pressing method and a pressing apparatus for measuring pressure pulse waves by continuously pressing, with a constant velocity, an object such as the human body by using a pressing tool, and then identifying a point when the amplitude of the pressure pulse wave being measured changes from increasing to decreasing, to accurately recognize a pressure reducing control point for the pressing tool so that the amplitude of the pressure pulse wave is retained at an appropriate level while measuring. The pressing method comprises the steps of: measuring a pressure pulse wave from an object; determining a pressure reducing point when the amplitude of the pressure pulse wave that is measured changes from increasing to decreasing, while pressure is applied to the object by the pressing tool; and controlling the pressing tool so that pressure applied to the object is decreased after the pressure decreasing point.

Abstract: A distal shaft for measuring pressure distally of a stenosis includes a housing, a pressure sensor, a cover, a tip, and an aperture. The pressure sensor is mounted in the housing. The cover is coupled to the housing and covers the pressure sensor. The tip is coupled to a distal end of the housing. The aperture is disposed through the tip and/or cover. The aperture is configured to allow blood flow to the pressure sensor. The cover further includes a coupling mechanism or coupling that couples the cover to the housing. The coupling mechanism may be a snap-fit mechanism, a friction-fit mechanism, and/or an adhesive.

Abstract: Disclosed is a clamp mechanism to assist in attaching a finger cuff to a patient's finger by a medical assistant. The clamp mechanism may comprise a mounting structure including a top portion having a gap, opposed descending sides, an exterior, and a pair of opposed clamping members. The pair of opposed clamping members extend from opposite sides of the exterior of the mounting structure to form a clamping slot over the gap. The clamping slot is openable by the medical assistant to allow for the pulling of the first side and the second side of the finger cuff by the medical assistant through the gap and the opened clamping slot. Further, the clamping slot is closeable by the medical assistant so that the first side and the second side of the finger cuff are clamped together such that the finger cuff is firmly attachable to the patient's finger.

Abstract: In one embodiment, a computer-readable non-transitory storage medium embodies software that is operable when executed to, in real time, capture a number of images of a user; identify one or more regions of interest corresponding to one or more superficial arteries of the user. The identification is based on a signal-to-noise ratio of photoplethysmogram (PPG) data obtained from the plurality of images. The software is further operable to measure, based on the PPG data, blood volume pulse (BVP) signals; and based on the measured BVP signals, compute one or more cardiological metrics for the user.

Abstract: In one embodiment, a computer-readable non-transitory storage medium embodies software that is operable when executed to, in real time, capture a number of images of a user; and determine a time-series signal for the user based on the plurality of images. The signal includes one or more segments that are physiologically plausible and one or more segments that are physiologically implausible. The software is further operable to identify one or more of the physiologically plausible sub-segments based on one or more pre-defined signal characteristics; and calculate one or more heartrate measurements based on the physiologically plausible sub-segments.

Abstract: The invention relates to headphones and a method for listening to music or some other audio signal, which headphones comprise at least one sound source such as a an earphone to be placed in the vicinity of the ear, for producing sound, and a galvanic conductor for feeding an electrical signal from a signal source, such as a music player or similar, to the sound source. In accordance with the invention at least one sound source is equipped with means for measuring heart rate, as well as means for forwarding heart-rate information wirelessly.

Abstract: A pulse can be stably estimated based on an image data suitable for extracting a pulse signal. A pulse estimation device includes image input portion (21) to which time-sequential captured images including at least a portion of subject H as an object are input from camera (2); region extractor (22) that extracts a skin-color region from each of the captured images; zoom commander (28) that transmits a zoom command to camera (2) that has imaged the captured images or a user of camera (2) in order to adjust a size of the skin-color region; and pulse estimator (23) that estimates a pulse of subject H based on the skin-color region of the captured images obtained by imaging with camera (2), after the zoom command is transmitted.

Abstract: Image processing apparatus is provided with data compression processing unit that executes data compression processing on an input captured image based on inter-frame prediction; and operation-mode selection unit that is capable of selecting one of a first operation mode for normal imaging and a second operation mode for pulse estimation based on a command from a user. In a case where the second operation mode is selected, data compression processing unit sets an interval between I pictures constituting a compressed image generated by the data compression processing to an interval to be different from that in a case where the first operation mode is selected.

Abstract: Disclosed is a reflection-type pulse rate detection device against motion interference, which relates to the technical field of the pulse rate detection device. The device includes a reflection type pulse rate detection module (1), a circuit driving module (2), a signal conditioning module (3), an ultra-low power wireless transceiver module (4), a microprocessor control module (5), a display module (6) and a remote terminal (7). The reflection-type pulse rate detection module (1), which is connected with the circuit driving module (2), consists of a first LED light tube (101), a second LED light tube (103) and a photoelectric receiving tube (102). The signal conditioning module (3) consists of a detection circuit (301), a filter circuit (302) and a subtraction circuit (303).

Abstract: A wearable monitoring device is provided to detect the physiological condition of a user and alert emergency services if needed. As provided herein, the monitoring device may include a band configured to be worn on a user's wrist; two or more operably connected PPG sensors arranged on the band, wherein at least two of the two or more PPG sensors are arranged such that the sensors contact opposite sides of the user's wrist when the device is being worn and wherein the at least two PPG sensors provide a higher signal to noise ratio as compared to a single PPG sensor; and a processor configured to receive and process readings from the at least two PPG sensors. Methods of using the monitoring device are also provided.

Abstract: A sensor assembly for in-vivo monitoring of a body fluid or tissue (F) comprises: a pressure sensor element, comprising a micro-electromechanical system (MEMS) and arranged to detect a pressure f the body fluid or tissue (F) in use; and a shield, which generally surrounds the pressure sensor element such that the pressure sensor element is within an interior volume of the shield, in order to protect and to prevent distortion of the pressure sensor element in use. The pressure sensor element comprises a biocompatible thin film layer, for resisting corrosion and/or fouling of a surface of the pressure sensor element by the body fluid or tissue (F) or biological matter thereof. The pressure sensor element and the shield are in fixed relationship with each other.

Abstract: A medical method of automatically improving signals received from a patient's physiological system can include delivering stimulation signals to a nerve pathway of a patient with electrical pulses via electrodes placed over the nerve pathway to generate a plurality of resultant electrical waveforms (EPs) based on a plurality of electrophysiological responses (ERs); recording the plurality of resultant EPs; generating an ensemble average waveform (EA), the generating comprising averaging a subset of the plurality of ERs; and denoising the EA, the denoising comprising applying a wavelet transform to the EA.

Abstract: One or more non-transitory computer-readable media have instructions executable by a processor and programmed to perform a method. The method includes analyzing the electrical data to locate one or more wave front lines over a given time interval. The electrical data represents electrophysiological signals distributed across a cardiac envelope for one or more time intervals. A respective trajectory is determined for each wave end of each wave front line that is located across the cardiac envelope over the given time interval. A set of connected trajectories are identified based on a duration that the trajectories are connected to each other by a respective wave front line during the given time interval. A connectivity association is characterized for the trajectories in the set of connected trajectories.

Abstract: A method and system is provided for pre-processing of an electroencephalography (EEG) signal for cognitive load measurement. The present application provides a method and system for pre-processing of electroencephalography signal for cognitive load measurement of a user, comprises of capturing the electroencephalography signal from the head of the user, detecting the plurality of system artifacts in the captured electroencephalography signal, detecting and removing noisy window from the captured electroencephalography signal, detecting an eye blink region and filtering out said detected eye blink region from the captured electroencephalography signal, utilizing the filtered electroencephalography signal for measuring the cognitive load of the user and subsequently computing different levels of mental workloads on the user using variation of spatial distribution of frontal scalp EEG electrodes for measured cognitive load.

Abstract: An electrode connector adapted for attachment to a biomedical patient electrode by either pinch or snap connection includes a pair of pivotally connected members including a connector body and a jaw pivotally connected to said connector body, with the jaw defining a beveled lower surface that functions to urge the jaw open by engagement of the top surface of an ECG stud thereby allowing the connector to be attached by snap engagement. An electrically conducting plate is disposed at the bottom of the connector to maximize electrical contact with the electrode stud. The jaw member further includes a lip functioning to engage a lower portion of the head of the stud and urge the radially enlarged base of the stud into electrical contact with the bottom surface of said electrically conducting member. An ECG electrode connector in accordance with the present invention may further be fabricated of radiolucent materials.

Abstract: A system and method of filtering input data to remove power line interference is disclosed. The system and method estimates the statistics of the input signal and include determining a value (R) from the ratio of a peak amplitude (Apeak) and a root-mean-square of the amplitudes of the interference harmonics (Arms), calculate a running histogram of the determined value (R) to determine a threshold value (THR), comparing the determined value (R) to the determined threshold value (THR) to make a decision about feature existence, and outputting a feature decision. The system and method include estimating the interference level to determine if interference is low level or high level. The system and method include estimating interference using the feature detection, amplitude and phase; and removing the estimated interference from the signal to result in a signal substantially free of power line interference.

Abstract: A method of estimating potential distribution over a cortical surface of a brain of a subject is disclosed. The method comprises: obtaining encephalogram (EG) data recorded from a scalp surface of the head, and head model data describing a geometry of the head and electrical property distribution of tissues within the head. The method further comprises calculating differentials of the EG data over the scalp surface, calculating volumetric distribution of electrical potential between the cortex and scalp surfaces using the EG data and the differentials, and estimating the potential distribution over the cortical surface based on the volumetric distribution.

Abstract: This invention is a wearable brain activity device with electrodes held on a person's head by a frame comprising a ring portion which encircles the person's head and an arc portion which loops over the top of the person's head. Data from the electrodes is used to analyze the person's brain activity within a frequency band of 0.5-4 Hz. The device includes a speaker or vibrating member which is used to help to guide the person's brain activity from a first pattern to a second pattern.