Abstract: Eye prescriptions may be determined by providing a simple, easy to use, portable device with a specially configured targeting light source that aligns the eye, mitigates accommodation, and provides accurate results. Unlike stationary, closed view autorefractors, this device typically is portable, self-usable, relatively inexpensive, enabling more widespread use across the world.

Abstract: A system and method for determining a subject's attentional response to a stimulus. The method includes measuring microsaccadic eye movement dynamics of the subject, detecting whether a microsaccadic signature (a suppression in microsaccadic rate) is present in the measured microsaccadic eye movement relative to a time of the stimulus, and correlating the subject's attentional response to the stimulus based on the detection. The method further includes determining that the stimulus was sensed if the microsaccadic signature is present and determining that the stimulus was not sensed if the microsaccadic signature is absent.

Abstract: A detector detects head postures and gaze directions from images of a person to be measured captured by an imaging unit; a generation unit generates a gaze direction distribution with respect to each of the head postures, from the head postures and the gaze directions detected by the detector; a calibration unit determines predetermined one of the head postures as a reference posture, and calculates calibration parameters to be used to calibrate the gaze direction distribution with respect to the reference posture; and a correction unit corrects the gaze direction distributions with respect to the head postures other than the reference posture by using the calibration parameters calculated by the calibration unit. This reduces the influence on the calibration which may vary due to change in the head posture.

Abstract: A system and method for eye monitoring using the natural reflections of the lenses and human eyes. The system includes a frame worn on the head of a user containing side supports and lenses. A light source and a camera are mounted on the side supports, so that they are located behind the eyes of the user, when the system is being worn by the user. The camera captures the natural light reflections from the lenses and the eye retinas, and uses the data to calculate a position or orientation of a user gaze.

Abstract: An indirect contact lens is mechanically coupled to a surgical microscope during ophthalmic surgery, such as vitreoretinal surgery. The indirect contact lens rests on a cornea of an eye of a patient during the surgery but is supported by a surgical microscope attachment having multiple degrees of freedom to accommodate small movements of the eye while remaining aligned to an optical axis of the surgical microscope.

Abstract: The present application includes methods, systems and computer readable storage devices for determining a color score for at least a portion of a biological tissue. The subject matter of the application is embodied in a method that includes obtaining a digital image of the biological tissue, and receiving a selection of a portion of the image as an evaluation area. The method also includes determining for each of a plurality of pixels within the evaluation area, a plurality of color components that are based on a Cartesian color space, and determining, from the color components, a hue value in a polar coordinate based color space. The method further includes determining a color value based on the hue value for each of the plurality of pixels, and assigning a color score to the evaluation area based on an average of the color values of the plurality of pixels.

Abstract: A system for visualization of eye anatomy includes at least one camera having a view vector along a first axis when in a first position, a housing to which the camera is coupled, wherein the housing engages the head of a patient such that the camera is positioned adjacent an eye of the patient, and an actuator that moves the camera from the first position to a second position with a view vector along a second axis that is offset from the first axis. A method of visualization of eye anatomy includes engaging a patient's head with a housing, positioning at least one camera coupled to the housing adjacent an eye, wherein the camera has a view vector along a first axis when in a first position, and moving the camera to a second position with a view vector along a second axis that is offset from the first axis.

Abstract: Methods and apparatus, including computer program products, are provided for remote monitoring. In some example implementations, there is provided a method. The method may include receiving, at a remote monitor, a notification message representative of an event detected, by a server, from analyte sensor data obtained from a receiver monitoring an analyte state of a host; presenting, at the remote monitor, the notification message to activate the remote monitor, wherein the remote monitor is configured by the server to receive the notification message to augment the receiver monitoring of the analyte state of the host; accessing, by the remote monitor, the server, in response to the presenting of the notification message; and receiving, in response to the accessing, information including at least the analyte sensor data. Related systems, methods, and articles of manufacture are also disclosed.

Abstract: A non-touch thermometer to measure a temperature that includes a microprocessor, a wireless communication subsystem that is operably coupled to the microprocessor and that is operable to transmit a representation of the temperature, a battery operably coupled to the microprocessor, a single button operably coupled to the microprocessor, a digital infrared sensor operably coupled to the microprocessor with no analog-to-digital converter operably coupled between the digital infrared sensor and the microprocessor, the digital infrared sensor having only digital readout ports, and a display device operably coupled to the microprocessor, wherein the microprocessor is operable to receive from the digital readout ports a digital signal that is representative of an infrared signal detected by the digital infrared sensor and the microprocessor is operable to determine the temperature from the digital signal that is representative of the infrared signal, wherein the non-touch thermometer does not support specific disco

Abstract: Embodiments are related to systems and methods for data determining information about a subject, and more particularly to systems and methods for utilizing and distributing information related to measurements of a human subject.

Abstract: Skin monitoring device for application near the skin includes a processing circuit and at least one photosensor configured to detect at least one approximate wavelength of light reflected and/or emitted by the skin. A signal receiving circuit receives signals from the photosensor.

Abstract: The present invention provides a pulse wave velocity measurement method and system as well as an imaging device available for everyday use by general users at low cost with measurement accuracy less affected by posture or the like. The present invention simultaneously images different parts of a human body in a non-contact state by a single visible light camera and acquires continuous time series image data. Then, the present invention detects each pulse wave from the image data in the different parts of the human body based on a temporal change in pixel value of the different parts of the human body, and then calculates a pulse wave velocity of the human body based on a time difference between the pulse waves in the different parts of the human body.

Abstract: The present invention is a Miniature Vein Enhancer that includes a Miniature Projection Head. The Miniature Projection Head may be operated in one of three modes, AFM, DBM, and RTM. The Miniature Projection Head of the present invention projects an image of the veins of a patient, which aids the practitioner in pinpointing a vein for an intravenous drip, blood test and the like. The Miniature projection head may have a cavity for a power source or it may have a power source located in a body portion of the Miniature Vein Enhancer. The Miniature Vein Enhancer may be attached to one of several improved needle protectors, or the Miniature Vein Enhancer may be attached to a body similar to a flashlight for hand held use. The Miniature Vein Enhancer of the present invention may also be attached to a magnifying glass, a flat panel display, and the like.

Abstract: A probe cover for medical thermometer has a matching feature for preventing its use with an incompatible thermometer. A mechanical matching feature of the probe cover includes at least one of a fold, a step, or a series of holes or indentations that are respectively matched to a ridge, a valley or series of pins formed on the front end of a compatible thermometer. When applied to the compatible thermometer, the mechanical matching feature permits the probe cover to be fully seated on and retained by the probe, thereby placing the thermometer in condition for use. Alternatively, an opto-electronic matching feature of the probe cover includes a reflective layer for use with an opto-electronic detection circuit of a compatible thermometer. When applied to the compatible thermometer, the opto-electronic detection detects the reflective layer and places the compatible thermometer in an operational state for use.

Abstract: An imaging device includes a hollow flexible shaft having a central longitudinal axis and an imaging window therein. An optical fiber extends within the hollow flexible shaft substantially along the central axis. A distal tip of the optical fiber is attached to the hollow flexible shaft and aligned with the imaging window so as to transfer an optical coherence tomography signal through the imaging window. A handle is attached to the hollow flexible shaft configured rotate the hollow flexible shaft at speeds of greater than 1,000 rpm.

Abstract: A device for monitoring a skin surface for leakage of blood at, for example, a wound or a vascular access. The device comprises a patient unit, a connection unit and a monitor unit. The patient unit comprises a patch, including an adhesive layer to be attached to the skin surface of the patient. The adhesive layer is arranged to attach the patch to the skin so that a predetermined removal force, such as 30N, is required for removing the patch from the skin surface. A patient optical fiber is arranged at the patch and has a proximal end for connection to the connection unit. A patient connector is arranged at the distal end of a connection optical fiber. The connector has an opening passing through the connector, whereby the connection optical fiber is arranged in one end of the opening.

Abstract: A sensor delivery device and methods of using the device are provided, wherein the sensor delivery device includes a sensor that is adapted to obtain a measurement that can be used to calculate cross-sectional area of a surrounding anatomical structure. In certain cases, the sensor is an electrode arrangement, wherein the electrode arrangement generates a current and measures voltage resulting from the current. The voltage measurement is then used to calculate conductivity of fluid in the surrounding anatomical structure and thus cross-sectional area.

Abstract: In one example, this disclosure is directed to a method for intravascular implantation of an implantable medical device comprising positioning a distal end of an elongated outer sheath forming an inner lumen adjacent a target site within a vasculature of a patient, and partially deploying an implantable medical device from the distal opening, wherein the implantable medical device includes an expandable fixation element. A portion of the expandable fixation element assumes an expanded position when the implantable medical device is partially deployed from the distal opening. The method including advancing the distal end of the outer sheath within the vasculature with the implantable medical device partially deployed from the distal opening, and monitoring at least one of the vasculature and the portion of the expandable fixation element for deflection to determine when the size of the portion of the expandable fixation element corresponds to the size of the vasculature.

Abstract: The effect of prolonged skin contact with an electronic apparatus is appropriately suppressed. An electronic apparatus 1 includes a temperature acquisition unit 54, a temperature integration unit 55, and a temperature management unit 56. The temperature acquisition unit 54 acquires the temperature of the apparatus. The temperature integration unit 55 acquires information (limit time) about the effect on the skin which changes depending on the temperature. The temperature management unit 56 executes a preset process, based on the temperature of the apparatus acquired by the temperature acquisition unit 54 and the information about the effect on the skin acquired by the temperature integration unit 55.

Abstract: An optical detection unit includes a light emitting portion 150 that emits light toward a target object, a light receiving portion 140 that receives light from the target object, and a light blocking member 70 that blocks light from being incident to at least the light receiving portion 140. The light blocking member 70 includes a light blocking wall 100 that is formed by performing sheet metal processing on a metal, and is provided between the light emitting portion 150 and the light receiving portion 140 so as to block light from the light emitting portion 150 from being incident to the light receiving portion 140. The light blocking wall 100 is formed of a first metal surface 71 of the light blocking member 70.

Abstract: An ambulatory intrinsic brain signal processor circuit is coupled to a plurality of electrodes. The signal processor circuit can include a digital multiplexer circuit coupled to the electrodes to multiplex brain signal data from different electrodes together into a multiplexed data stream. An ambulatory transceiver circuit wirelessly communicates information to and from a remote transceiver. A controller circuit permits a user to control which of the electrodes contribute data, a data resolution, and whether the data includes one or both of neural action or local field potential data. Seizure prediction components and methods are also described.

Abstract: A health-monitor patch comprising at least one physiological sensor and digital processor is configured to be adhered to the skin of a subject. A health-monitor patch may further include an accelerometer and may detect cardiac waveforms, activity performed by the subject, and a body orientation of the subject. A health-monitor patch may be disposable, in some embodiments, and used fox outpatient monitoring. Aspects of noise cancellation and reel-to-reel manufacturing are also described.

Abstract: A neural interface for measuring or stimulating brain neural activity, either as a standalone unit or as a part of a larger system of similar neural interfaces. The neural interface includes a bolt-shaped housing having a tool-engaging head and threaded shank with internal circuitry and at least one electrode. In use, the housing is threaded into a cranial bore such that the electrode contacts the outer surface of the meninges. The neural interface circuitry includes an SAR ADC that provides at least rail-to-rail operation to convert received signals from the electrode(s) into digital data that can be modulated and wirelessly transmitted by intra-skin or other suitable communication.

Abstract: Apparatus and methods for use in connection with receiving signals from a human subject's head through the scalp thereof includes a removable headset having a plurality of electrode stations and intermediate portions. Each electrode station includes an electrode aperture extending therethrough and a biasing flap coupled to the headset and at least partially aligned over the associated electrode aperture. A plurality of removable electrodes is releasably engageable with the headset and configured to be releasably suspended within the electrode apertures and biased between the headset and the subject's head by the associated biasing flaps.

Abstract: The present disclosure relates to a brain disease diagnosis service apparatus including at least: a receiving unit for receiving an image of a subject to be diagnosed; a preprocessing unit for estimating a transformation matrix in order to align a predetermined standard image with the image received by the receiving unit, and for applying the estimated transformation matrix to a predetermined standard brain region map, thereby generating an individual brain region map for the subject to be diagnosed; a feature point extracting unit for calculating a ratio occupied by brain lesions for each brain region in the individual brain region map, generated by the preprocessing unit, of the subject to be diagnosed, thereby extracting feature points; and a disability type determining unit for determining a disability type on the basis of the ratio of the brain lesions, calculated by the feature point extracting unit, for each brain region.

Abstract: Disclosed is a method and system for navigating an instrument relative to a configurable theater system. The configurable theater instrument can be any instrument positioned in a theater that is configured to have more than one position. A localizer can generate an electromagnetic field that is sensed by a tracking device to determine a location of the tracking device with the sensed electromagnetic field.

Abstract: A new apparatus, algorithm, and method are introduced herein to support navigation and placement of an intravascular catheter using the electrical conduction system of the heart (ECSH) and control electrodes placed on the patient's skin.

Abstract: Devices detect and assist in the avoidance of blood vessels during a surgical procedure—to avoid rupturing these blood vessels. Devices may be any penetration sensor device (such as a dilator sensor device, hollow needle sensor device, or trocar sensor device) that penetrates the skin and subcutaneous layers to reach a target location inside the body. The device includes a sensor probe which can make optical measurements to determine various parameters of the tissue at the tip of the sensor probe. These parameters may include an optical signal level returned from tissue contacting the tip of the sensor probe, an oxygen saturation level of the tissue, a total hemoglobin concentration, a blood flow, and a pulse. Based on these parameters, the presence or absence of a blood vessel at the tip of the device can be determined while the device travels towards the target location for surgery.

Abstract: A system and method include a plurality of sensors proximate a subject, wherein each sensor includes a plurality of antennas, and wherein each sensor operates on a plurality of frequency channels. The method includes receiving, at a respiration module, a signal associated with each antenna for each of the plurality of frequency channels; and calculating a respiration rate of the subject based on the received signal associated with each antenna for each of the plurality of frequency channels. Numerous other aspects are provided.

Abstract: A method, system, and process are described to decrease muscle fatigue and improve circulation of an individual resting on a support device, such as an adjustable chair or bed. The body pose and heat distribution of the individual are determined and used to estimate muscle fatigue and circulation. The estimated muscle fatigue and circulation are then used to determine settings for the support device or the temperature of the environment.

Abstract: First RGB image signals are inputted. Color difference signals Cr and Cb are calculated from the first RGB image signals. In a feature space formed by the color difference signals Cr and Cb, a first process and a second process are performed. In the first process, coordinates which correspond to the first, second, and third observation areas are moved in a parallel manner such that the coordinates which correspond to the second observation area are moved to a reference area that contains the origin point. In the second process, the coordinates which correspond to the first observation area and the coordinates which correspond to the third observation area are moved away from each other.

Abstract: A force measurement system includes a plurality of force measurement assemblies arranged in a loop configuration, the plurality of force measurement assemblies configured to be displaced around a continuous path of movement such that a particular one of the plurality of force measurement assemblies that is disposed underneath a subject varies over time. Each of the plurality of force measurement assemblies includes a top surface for receiving at least one portion of the body of the subject; and at least one force transducer, the at least one force transducer configured to sense one or more measured quantities and output one or more signals that are representative of forces and/or moments being applied to the top surface of the force measurement assembly by the subject. The force measurement system may additionally comprise a data processing device operatively coupled to each of the force transducers of each of the force measurement assemblies.

Abstract: Subject matter disclosed herein relates to monitoring and/or controlling levels of an analyte in bodily fluid. In particular, estimation of a concentration of the analyte in a first physiological compartment based upon observations of a concentration of the analyte in a second physiological compartment may account for a latency in transporting the analyte between the first and second physiological compartments.

Abstract: A pulse photometer includes a light emitter, a light detector, a first signal separator that separates a first signal component and a first noise component, a second signal separator that separates a second signal component and a second noise component, a first determining section, a second determining section, and a concentration calculating section that calculates a concentration of a light absorption material in blood of the subject based on a fundamental frequency of the first signal component or a fundamental frequency of the second signal component.

Abstract: There is disclosed a transdermal analyte sensor device. The device includes a sensor cartridge having a membrane permeable to a target analyte transdermally received from a subject, a reservoir containing a fluid to receive the target analyte through the membrane and an enzyme to react with the target analyte to form a byproduct, a working electrode to generate an electrical current based on a concentration of a byproduct, and a cartridge electrical contact to transmit the electrical current. The device also includes a device body having a device electrical contact to receive the electrical current from the cartridge electrical contact, a transmitter to transmit a signal based on the electrical current to a monitoring device, and a cartridge receptacle to receive the sensor cartridge and position the membrane to contact skin of the subject.

Abstract: The present invention is directed to the parenteral procurement of bodily-fluid samples. The present invention is also directed to systems and methods for parenterally procuring bodily-fluid samples with reduced contamination from dermally-residing microbes. In some embodiments, a bodily-fluid withdrawing system is used to withdraw bodily fluid from a patient for incubation in culture media in one or more sample vessels. Prior to withdrawing bodily fluid into the one or more sample vessels for incubation, an initial volume of withdrawn bodily fluid is placed in one or more pre-sample reservoirs and is not used for the incubation in culture media.

Abstract: The present invention is directed to the parenteral procurement of bodily-fluid samples. The present invention is also directed to systems and methods for parenterally procuring bodily-fluid samples with reduced contamination from dermally-residing microbes. In some embodiments, a bodily-fluid withdrawing system is used to withdraw bodily fluid from a patient for incubation in culture media in one or more sample vessels. Prior to withdrawing bodily fluid into the one or more sample vessels for incubation, an initial volume of withdrawn bodily fluid is placed in one or more pre-sample reservoirs and is not used for the incubation in culture media.

Abstract: A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: Technologies are generally described for measuring hair condition using a hair condition measuring device. Example devices and systems described herein may include a first clamp, a second clamp, a vibrator, a laser beam source, a photodetector and/or a processor. The first claim may be configured to clamp a first end of hair, and the second clamp may be configured to clamp a second end of the hair, so that the hair is stretched between the first clamp and the second clamp. The laser beam source may be configured to generate a laser beam toward the hair. The photodetector may be configured to detect at least part of the laser beam reflected by the hair and convert an intensity of the detected part of the laser beam to an electrical signal. The processor may be configured to measure condition of the hair based on the electrical signal.

Abstract: In one aspect, a method for formulating a wearable posture advisory system will be described. A three dimensional body model of at least a part of a body of a user is obtained. A model for 3D printing a wearable posture advisory system is generated based on the 3D body model. The system model models one or more sensors that are arranged to help determine a posture of a user and one or more actuators that are arranged to help instruct the user to adjust his or her posture. The system model is provided to a 3D printer so that the 3D printer can print the wearable posture advisory system. Various embodiments relate to devices, arrangements and executable computer code that are associated with the above method.

Abstract: Systems and methods for assessing compliance with position therapy. In an embodiment, position therapy is provided to a user while the user is wearing a position therapy device. The position therapy comprises, by the device, collecting positional data, determining positions of the user over a time period based on the positional data, and, when it is determined that the user is in a target position, providing feedback to the user to influence the user to change to a non-target position. In addition, the device stores a duration of use in its memory. The duration of use indicates a duration that the user has used the wearable position therapy device in each of one or more positions. An assessment of the user's compliance with the position therapy is then provided based, at least in part, on the duration of use.

Abstract: A method of determining the ventilatory threshold of a subject in real time during an exercise session wherein data relating to physiological parameters of said subject are acquired and stored in function of time during the exercise session, said data including at least data indicative of the respiration and of the heart beat rate.

Abstract: One aspect is an implantable medical device including a metal housing configured for implantation in a human and including a biocompatible metal and defining an opening. A feedthrough device is configured within the opening of the metal housing and includes an insulating section and a conducting section, the insulating section electrically isolating the conducting section from the metal housing. An ultrasonic joint is configured between the feedthrough device and metal housing that hermetically and mechanically bonds the feedthrough device and metal housing. The biocompatible metal of the housing is a microstructure primarily having ?-phase grains.

Abstract: An apparatus for working in conjunction with a digital sensor, CPU and display of a host device in order to measure blood characteristics that includes a housing configured for association with the host device so as to define between them a chamber into which at least a portion of an appendage of a living being is placed such that a tip of the appendage is deployed adjacent to the digital sensor so as to cover the digital sensor. The chamber substantially encloses the digital sensor. Light from a light source is directed toward the appendage tip, wherein at least some light from the light source is reflected by tissue of the appendage, is received by the sensor and data thereby generated is processed by the CUP to determine the blood characteristics.

Abstract: Systems and methods for analyzing respiratory gas are configured to function in both divertive and non-divertive configurations. A mainstream gas analyzer housing economically and removably couples with a sidestream gas sampling component.

Abstract: A measurement device includes a sensor attached to a biosensor which includes a reagent that selectively responds to a specific analyte in a biological fluid, an analyte measurer that measures a concentration of the specific analyte with a biosensor, and a motion measurer that measures a motion level of the measurement device. A recorder records the concentration of the analyte and motion information, and a controller connects the analyte measurer and the motion measurer and controls the analyte measurer and the recorder based on the controller motion information. The controller includes a damage determiner that judges whether or not the measurement device is damaged, based on the motion level.

Abstract: A method and system is provided for noise cleaning of photoplethysmogram signals. The method and system is disclosed for noise cleaning of photoplethysmogram signals for estimating blood pressure of a user; wherein photoplethysmogram signals are extracting from the user; the extracted photoplethysmogram signals are up sampled; the up sampled photoplethysmogram signals are filtered; uneven baseline drift of each cycle is removed from the up sampled and filtered photoplethysmogram signals; outlier cycles of the photoplethysmogram signals are removed and remaining cycles of the photoplethysmogram signals are modeled; and time domain features are extracted from originally extracted and modeled photoplethysmogram signals for estimating blood pressure of the user.

Abstract: A radiography system includes an imaging controller, a reconstruction processor, a process sequence controller and a display section. The imaging controller controls a radiation source to move in a range of a designated sweep angle and project X-rays at different angles to an imaging subject, while controlling a flat panel detector to acquire a set of projection images. The reconstruction processor uses the set of projection images to produce a plurality of tomographic images for use in diagnosis. The process sequence controller determines a parameter for sorting the plurality of tomographic images into first and second groups according to the sweep angle of the radiation source so as the first group of tomographic images to be produced prior to the second group of tomographic images. The display section displays at least the first group of tomographic images.

Abstract: The present disclosure relates to the manufacture and use of a non-rigid breast compression paddle, such as a compression paddle having a mesh material forming the primary interface with patient tissue. In certain implementations, an automatic feedback driven approach may be used in conjunction with such a compression paddle for compressing breast tissue.

Abstract: A transformable imaging system configured to operate in at least two configurations. A first configuration may be open and a second configuration may be closed. The closed configuration may allow for imaging in along an arc greater than 180 degrees.