Abstract: A system may comprise: an excitation current source; a first electrode coupled to the excitation current source; and a second electrode coupled to the excitation current source. The first and second electrodes may be configured to pass an excitation current from the excitation current source through a human body. First and second calibration resistors may be coupled to and positioned between the excitation current source and the first electrode. Third and fourth calibration resistors may be coupled to and positioned between the excitation current source and the second electrode. The system may also comprise a sensor configured to measure voltages across each of the first, second, third, and fourth calibration resistors.

Abstract: A coil pad according to one embodiment is a coil pad that is placed between a receiving coil and a subject. The receiving coil is mounted on the subject and receives a magnetic resonance signal emitted from the subject. The coil pad includes a pad opening and a vibrating portion. The pad opening is aligned with a coil opening included in the receiving coil and forms a through-hole between the coil opening and the subject. The vibrating portion vibrates with a medium that transmits vibration being filled therein.

Abstract: An endorectal coil (1) includes a tube (40), a spreader (44), and one or more electrically conductive elements (64). The tube (40) is configured for insertion into the rectum (42). The spreader (44) is configured to be positioned at a distal end of the tube (40) and mechanically spread to compress surrounding tissue after the tube (40) is inserted. The one or more electrically conductive elements (64) are tuned to receive magnetic resonance data disposed on at least one of the tube (40), the spreader (44), and adjacent the tube and spreader.

Abstract: A method and system for determining an extent of matter removed from a targeted anatomical structure are disclosed. The method includes acquiring an initial representation of a targeted anatomical structure and then removing matter from the targeted anatomical structure. An instrument is then navigated within the targeted anatomical structure. The instrument includes a tracking array, and a relative position of the instrument within the targeted anatomical structure is determined by the tracking array. The method includes recording the relative position of the instrument within the targeted anatomical structure to determine a final representation of the targeted anatomical structure. Finally, the method includes determining an extent of matter removed from the targeted anatomical structure by comparing the initial representation of the targeted anatomical structure with the final representation of the targeted anatomical structure.

Abstract: A non-transitory computer-readable storage medium storing a set of instructions executable by a processor. The set of instructions is operable to receive a set of data relating to a current symptom of a patient; determine one of a current level of breathlessness and a current level of edema for the patient based on the received data; and provide an alert to one of the patient and a medical professional, if the determined one of the current level of breathlessness and the current level of edema is greater than an acceptable level.

Abstract: The present disclosure relates to an electronic spirometer that empowers users to quantitatively track and proactively manage respiratory diseases via simple integration with mobile devices, tablets, and computers. In one aspect, patients will be able to connect with their doctors to determine medication dosage and efficacy, avoid environmental triggers, and prevent attacks and exacerbations.

Abstract: A device for increasing a user's awareness of his or her breathing includes a clip configured to attach to a user's nose, a hinge connected to the clip, an air deflection plate pivotably connected to the hinge and one or more sensors coupled with the air deflection plate. The air deflection plate is configured to pivot relative to the clip to at least partially deflect air flow into or out of a nostril while the air deflection plate is exterior to the nostril and the clip is attached to the user's nose. The one or more sensors are configured to sense data pertaining to the user's breathing through the nostril. A method for increasing breathing awareness includes, in response to air flow across an air deflection plate pivotably coupled with a clip gripping a user's nose, receiving breathing data with one or more sensors coupled with the air deflection plate.

Abstract: A spirometer that includes a sensor and a specifically designed flow chamber to create a pressure change and produce spirometry test results is disclosed. In one embodiment, the sensor comprises an absolute barometric pressure sensor. The spirometer of the present disclosure includes a single sensor positioned between the inlet of a flow chamber and a barrier to compute spirometry values with barometric pressure change. Pressure, humidity, and temperature are features that are built into the sensor. These sensor features and values assist in final computational spirometry test values as users complete test maneuvers.

Abstract: There is provided an exhaled breath moisture reduction system including a dryer mechanism and a connector adapted to connect the dryer mechanism proximate to a respiratory output device. There is also provided an exhaled breath sampling assembly including an airway adaptor and a moisture reduction sleeve comprising a material adapted to reduce moisture and a connector adapted to connect said sleeve substantially adjacent to a breath sampling inlet within the adaptor. Also provided, a method of sampling breath which includes attaching an exhaled breath moisture reduction sleeve substantially adjacent to a breath sampling inlet.

Abstract: A band type sensor includes a substrate and a gesture sensor on the substrate, where the gesture sensor senses the gesture of a user in a capacitive type. And a wearable device having the band type sensor includes a main body, a display part disposed inside the main body, a band connected to the main body, a band type sensor including a touch sensor disposed on the display part and a gesture sensor disposed in the band, and a control unit to perform an operation according to touch and gesture inputs of the user sensed by the band type sensor.

Abstract: A user-wearable sensor device may be configured to be directly or indirectly secured to a user or to an article worn by the user. The user-wearable sensor device may include at least one sensor configured to collect sensor data associated with an orientation of the user, a display unit including at least one LED or other visual indicator, a battery configured to provide power to at least the display unit, and a control system. The control system may be configured to determine the orientation of the user based on sensor data collected by the at least one sensor, maintain the display unit in a deactivated state in the absence of a defined activation input, detect a defined activation input, activate the deactivated display unit in response to detecting the defined activation input, and control the activated display unit based on the determined orientation of the user.

Abstract: A medical monitoring device (12) includes a motion detection device (20, 50) and a vital sign monitoring device (26, 52) communicatively connected to the motion detection device. The motion detection device (20, 50) detects whole body motion of a person. The vital sign monitoring device (26, 52) monitors, either continuously or intermittently, at least one vital sign for a predetermined time interval in response to the detected whole body motion. The vital sign is evaluated, e.g. for orthostatic intolerance, and in response to an affirmative evaluation an alarm signal is issued.

Abstract: Portable devices include environmental sensors that generate metrics about the environment (e.g., accelerometers detecting impulses and vibration, and GPS receivers detecting position and velocity). Such devices often use environmental metrics to extract user input directed at the device by the user, and status information about the device and the environment. Presented herein are techniques for using environmental metrics to infer physical activities performed by the user while attached to the device. For example, jogging may be inferred from regular, strong impulses and typical jogging speed; walking may be inferred from regular, weak impulses and typical walking speed; and riding in a vehicle may be inferred from low-level vibrations and high speed (optionally identifying the type of vehicle ridden by the user). Based on these inferences, the device may automatically present applications and/or or adjust user interfaces suitable for the user's physical activity, rather than responsive to user input.

Abstract: The invention relates to human limb and joint movement pattern detection and analysis and is directed to warning systems for repetitive motion injuries and methods for warning a subject of movements at increased risk for repetitive use injuries, for example, using the warning systems. The invention tracks limb and joint movement of a subject during repetitive motion activities and can signal the subject to perform ergonomically safe movements.

Abstract: Apparatus and method to facilitate motion-related diagnosis or monitoring are disclosed herein. First sensor based data and second sensor based data associated with a user for a first and second time period may be received, from a first device. When the first and second sensor based data are determined to be associated with the first and second motion patterns, identifying the first and second sensor based data to be first and second motions by the user. In response to receiving, from a second device, a motion-related query associated with the user, searching among the first motion and the second motion to determine a query match. And providing the query match comprising data associated with the first motion or the second motion.

Abstract: The present invention relates in a first aspect to a method of determining a psychoacoustical threshold curve by selectively varying a first parameter and a second parameter of an auditory stimulus signal applied to a test subject/listener. The methodology comprises steps of determining a two-dimensional boundary region surrounding an a priori estimated placement of the psychoacoustical threshold curve to form a predetermined two-dimensional response space comprising a positive response region at a first side of the a priori estimated psychoacoustical threshold curve and a negative response region at a second and opposite side of the a priori estimated psychoacoustical threshold curve.

Abstract: Two coherent narrow bandwidth infrared beams, the Signal and the Reference, are incident at an angle and at high frequency sequentially and alternately at the same spot of a whole blood/body tissues sample. The Signal beam has a center wavelength which falls within an absorption line of glucose in whole blood (e.g. 1.409?). The Reference beam has a center wavelength which does not coincide with any known absorption lines of glucose in whole blood (e.g. 1,278?). Radiation emitted from the spot at which the beams penetrate into the sample and subsequently emanate from it after multiple scattering and spurious absorption effects is collected by a lens onto an infrared detector. The ratio of the voltage detected from the emerging Signal beam over that of the Reference beam is processed to yield the value of glucose concentration in the whole blood/body tissue sample.

Abstract: The present invention generally relates, in some aspects, to systems and methods for making and using sensors or other devices, such as optical components. One aspect is generally directed to a sensor or other device comprising a nanometer-sized portion. In some embodiments, the sensor can be used to determine various characteristics such as temperature, humidity, an electric field, a magnetic field, an analyte, or the like. For instance, in one embodiment, a portion of a sensor device may be inserted into a cell and used to study the cell, e.g., using optical techniques such as surface plasma resonance. In some embodiments, such sensors or other devices may comprise metal, glass, or other materials, which can be prepared using etching or other techniques.

Abstract: A vaginal fluid monitoring device includes an absorbent layer, wherein the absorbent layer is configured to be in proximity to flow of vaginal fluid; an electrochemical detection system configured to obtain data regarding at least one analyte in a vaginal fluid, said electrochemical detection system in fluid communication with the absorbent layer; and wherein the vaginal fluid monitoring device is configured to be coupled with a feminine hygiene product.

Abstract: Methods, devices, systems, and computer program products are provided to improve sensitivity calibration of an in vivo analyte sensor and usability of an associated analyte monitoring system. In certain embodiments, methods are provided that improve the user experience of using an analyte monitoring system. Certain embodiments of the present disclosure include features that reduce the amount of calibration or re-calibration performed by the analyte monitoring system. More specifically methods of using a suspect calibration attempt to avoid having to recalibrate by adjusting the calibration or mitigating effects of sensor signal attenuation that caused the calibration attempt to be suspect are provided. Additional features are disclosed.

Abstract: Devices associated with on-body analyte sensor units are disclosed. These devices include any of packaging and/or loading systems, applicators and elements of the on-body sensor units themselves. Also, various approaches to connecting electrochemical analyte sensors to and/or within associated on-body analyte sensor units are disclosed. The connector approaches variously involve the use of unique sensor and ancillary element arrangements to facilitate assembly of separate electronics assemblies and sensor elements that are kept apart until the end user brings them together.

Abstract: A degradation data generator is used with a scaffold for delivery within a patient. The degradation data generator includes a driving circuit electrically coupled to drive an impedance of the scaffold. A detection circuit generates degradation data based on the impedance of the scaffold or other properties such as RF or lightwave transmission, conductance or absorption. The degradation data indicates an amount of biodegradation of the scaffold. A wireless transmitter is coupled to transmit the degradation data to a wireless degradation data receiver, while the scaffold is within the patient.

Abstract: The invention relates to a dialysis machine having the capability of determining a predialytic property in the blood of a dialysis patient which has an extracorporeal blood circuit, a dialyzate circuit, a dialyzer and a processing unit, wherein at least one sensor for determining a property of the dialyzate is arranged in the dialyzate circuit. The processing unit is configured such that temporal evaluation ranges are fixed during an initial phase of the dialysis treatment, in which temporal evaluation ranges all stability criteria from a predefined group are satisfied; and in that only measured values determined by the at least one sensor within these temporal evaluation ranges are used for determining a predialytic property of the patient's blood.

Abstract: A blood oxygenation sensor is provided comprising: a first current-powered light source to produce light having a first wavelength; a second current-powered light source to produce light having a second wavelength; a light sensor to produce a current signal having a magnitude that is indicative of intensity of light incident upon it; a current level driver circuit that includes a current source configured to couple the current source to alternatively provide current to one of the first current-powered light source and the second light current-powered light source; a processor configured to predict times of occurrence of one or more first time intervals in which arterial volume at a tissue site is at one of a maximum and a minimum; wherein the processor is configured to control the current source, to provide a first pattern of higher power-dissipation current pulses to the first and second current-powered light sources during the first time intervals, and to provide a second pattern of lower power-dissipation

Abstract: Devices and methods are described for providing continuous measurement of an analyte concentration. In some embodiments, the device has a sensing mechanism and a sensing membrane that includes at least one surface-active group-containing polymer and that is located over the sensing mechanism. The sensing membrane may have a bioprotective layer configured to substantially block the effect and/or influence of non-constant noise-causing species.

Abstract: Embodiments of the present invention provide magnetic lancet devices and methods for driving a lancet. For example, a magnetic lancet device may include a driving mechanism having a plurality of magnets and a lancet coupled to the driving mechanism. A magnetic interaction between the plurality of magnets is configured to drive the lancet from an engaged position to a penetrating position.

Abstract: A specimen transfer device adapted to receive a blood sample is disclosed. The specimen transfer device includes a housing and an actuation member. A deformable material is disposed within the housing and is deformable from an initial position in which the material is adapted to hold the sample to a deformed position in which at least a portion of the sample is released from the material. A viscoelastic member is disposed within the housing between the material and the housing and between the material and the actuation member. The viscoelastic member is engaged with the actuation member and the material such that movement of the actuation member from a first position to a second position deforms the material from the initial position to the deformed position.

Abstract: A computer system and method is adapted for determining an alertness of a wearer of a computerized wearable device having one or more sensors by receiving a signal from the sensors and determining a baseline heart rate of the wearer. The system monitors the wearer for an elevated heart rate and/or transmits a stimulus to the wearer to produce an elevated heart rate. In response to the elevated heart rate, the system compares the wearer's current heart rate to the wearer's baseline heart rate to determine the wearer's current alertness by calculating the length of time it takes the wearer's current heart rate to return to the baseline heart rate. The system notifies the wearer of the wearer's current alertness by generating an alert such as sending a notification to the wearer's computing device. The system may also generate an alert from a vehicle driven by the wearer.

Abstract: A fetal movement measuring device includes a wearable article to be worn on a pregnant woman's abdomen, plural measurement units, and a mobile device pre-installed with a fetal movement algorithm. The measurement units are provided separately on the outer surface of the wearable article and each include a fetal movement sensor for sensing a dynamic physiological signal of the abdomen and a power supply element for supplying necessary electricity to the fetal movement sensor. The dynamic physiological signals sensed by the fetal movement sensors are received by the mobile device, processed with the fetal movement algorithm, and rid of synchronous signal components. Then, the fetal movement algorithm performs calculation on the remaining signal components to generate fetal movement information, which includes a fetal movement location and a fetal movement magnitude. Thus, each fetal movement is measured in a non-contact manner, and its location, obtained through asynchronous multipoint measurement.

Abstract: A motion sensor is attached to a patient's limb distal to a joint on which surgery has occurred and another motion sensor is attached to the limb proximate to the joint. In the preferred embodiment, the motion sensors are accelerometers and gyroscopes that are capable of generating data that corresponds to flexion of the joint. Temperature sensors are attached to the patient at the surgical site at the joint and at a site separated from the surgical site so that the temperature difference between the sensors may be monitored. Data from the sensors is used to monitor the patient's post-surgical condition and rehabilitation and to provide feedback to the patient.

Abstract: A bruxism detection system is provided that includes a chin-mounted acceleration sensor for detection of teeth grinding and teeth tapping. The system generally includes an acceleration sensor that is adapted to be removably and externally mounted with respect to an individual's chin, a bruxism recording and processing system operable on a local processor, and bruxism analysis software that is operable on the local processor or an adjoint processor (or a combination thereof). The system is designed to be used in any convenient location, including an individual's home, and is generally reusable by multiple people, thus reducing the cost of bruxism diagnosis and bringing a reliable and effective diagnosis tool to the general public.

Abstract: The present invention relates to a device (1) for measuring a pressure force. The device (1) comprises a hand-held body (10) made of an elastic material (8) and a sensor unit (11). The sensor unit (11) is at least partly enclosed by the hand-held body (10) such that a force (F) applied by a person (12) onto the hand-held body (10) is transmitted via the elastic material (8) of the hand-held body (10) to the sensor unit (11). The sensor unit (11) is configured for measuring a pressure force (Fp) which is transmitted to the sensor unit (11) and which is caused by the force (F) applied onto the hand-held body (10) by the person (12). Moreover, the sensor unit (11) is configured for generating data corresponding to the measured pressure force (Fp). The invention further relates to a system (2) for determining a sensation experienced by a person (12), the use of a device (1) for evaluating a current pain sensation perceived by a person (12) and a method for determining a sensation experienced by a person (12).

Abstract: The present disclosure provides devices, systems and methods for hyperthermia cancer treatment by supplying ferromagnetic nanoparticles to a target area having or suspected of having cancer cells, the ferromagnetic nanoparticles are configured to attach to the cancer cells and heat by absorbing magnetic energy, and radiating the target area with microwaves such that the target area is within a nearfield range of the radiated microwave, and the microwave radiation nearfield is magnetically biased such that the ratio of magnetic energy to electric energy is greater than 1.

Abstract: In one embodiment, measuring mitochondrial capacity includes performing arterial occlusions on a patient, measuring oxygenated hemoglobin/myoglobin and deoxygenated hemoglobin/myoglobin within the patient's body during the occlusions, calculating a blood volume correction factor that accounts for a change in blood volume that occurs during the arterial occlusions, and applying the correction factor to the measured oxygenated hemoglobin/myoglobin and deoxygenated hemoglobin/myoglobin measurements to obtain correct oxygenated hemoglobin/myoglobin and deoxygenated hemoglobin/myoglobin measurements.

Abstract: A method of improving psychophysiological function of a subject performing a stress-inducing activity using a computer includes, after a plurality of sensors that monitor stress-indicating physiological parameters have been coupled to the subject and to the computer, providing, by the computer to the subject, a set of training segments that each present the subject with one or more visual, audible, or tactile prompts, wherein in at least one of the training segments, the prompts induce the subject to simultaneously perform both the stress-inducing activity and a relaxation-inducing protocol. The computer provides the set of training segments until a value of at least one physiological parameter that indicates stress in the subject is within a pre-defined range of a baseline value of the parameter, thereby indicating that the subject has successfully performed the stress-inducing activity while maintaining alertness with a relative minimum of stress.

Abstract: Described herein are systems, devices and methods for guiding placement of electrodes, and particularly ECG electrodes on a patient. A picture of the patient's body the patient can be analyzed to determine where on the patient's body to place electrodes according to a predetermined, conventional or standard placement pattern. The methods, devices and systems may then guide a user in positioning or correcting the position of electrodes on the patient. For example, an image of the patient may be provided showing the correct position of the electrodes, which may act as a patient-specific map or guide. The electrode placement positions can correspond to conventional or standard 12-lead ECG electrode positions.

Abstract: In one embodiment of the disclosure, a method of monitoring a fetus in utero is disclosed that includes implanting a medical device into a patient's uterus, collecting fetal data using the medical device, and transmitting, e.g., wirelessly, the fetal data from the medical device to a receiver. In another embodiment, a medical monitoring system is disclosed that includes a first device that is implantable into a patient's uterus for collecting fetal data, and a second device that is configured and dimensioned for connection with the first device such that the fetal data is wirelessly communicable from the first device to the second device.

Abstract: A system and method for sensing environmental conditions within a conventional orthopedic device, such as a cast or splint, which may lead to serious medical complications from that form of treatment and to provide a notification of adverse conditions. An implantable node includes sensors for pressure, moisture and temperature, which, when combined with a power source, monitoring circuitry, communication hardware, and companion software can provide sensor data to a remote application and thus alert health care professionals to potentially dangerous environmental conditions developing within the cast.

Abstract: The present disclosure relates generally to the field of pregnancy devices. More specifically, the present disclosure relates to a wearable apparatus that alerts an expecting mother of unsafe lying or sleeping positions. An exemplary wearable apparatus consistent with the present disclosure comprises an adjustable belt member having an elongated axis of sufficient length to cover the girth of an expecting mother during the entire term of her pregnancy. Further, an attachment coupled to the wearable apparatus is present to secure the alarm belt to the expecting mother. In addition, sensors coupled to the wearable apparatus detect when the expecting mother is lying or sleeping in a supine position in which the sensors send signals to an external alarm. Furthermore, a power source may be coupled to the sensors to provide power thereto.

Abstract: A stretchable sensor patch comprising: an elastic film layer with a stretchability of at least 100% and at least one elastic DEAP strip with a stretchability of at least 50%. The sensor patch may comprise an integrated circuit, a memory, an energy source, an adhesion layer for adhesion of the film layer to a skin, and a protective layer. A sensor system with such a sensor patch is also disclosed.

Abstract: A strap for a pulse measuring device, wherein the strap includes an indicator configured to indicate tightness of the strap. A portable pulse measuring device having a strap configured to fasten the portable pulse measuring device on a human; and a mechanical indicator configured to indicate tightness of the strap are also disclosed.

Abstract: This disclosure is directed to a catheter having an asymmetric basket-shaped electrode assembly at the distal end of the catheter body formed from a plurality of spines with electrodes. The plurality of spines are radially distributed across a first circumferential portion. One or more counter spines are radially distributed across a remaining second circumferential portion. Diagnostic electrodes are arrayed across the spines, while the counter spines may have one or more reference electrodes.

Abstract: The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can be used in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharmainformatics enabled pharmaceutical compositions.

Abstract: A contact detection instrument 1 is provided with a rod 12, a tip sensor portion 20 that is attached to one end of the rod 12 and is inserted into a living body through a hole, a speaker 14 that, from outside the living body, inputs a sound into a hollow space that is formed in the interior of the rod 12 and the tip sensor portion 20, and a microphone 15 that, outside the living body, outputs an electrical signal that corresponds to the sound inside the hollow space, with the tip sensor portion 20 including an elastic material that covers the hollow space.

Abstract: Methods and systems are provided for obtaining cleaned sequences showing trajectories of movement of a center of gravity and for estimating a biometric information pattern or value of a target. One of the methods includes removing noises from initial sequences showing trajectories of movement of a center of gravity to obtain the cleaned sequences. Another one of the methods includes reading cleaned sequences of the target into a memory, extracting features from the cleaned sequences, and estimating a biometric information pattern or value of the target from the extracted features, using a classification or regression model of biometric information patterns or values. The biometric information pattern may be a pattern derived from respiratory or circulatory organs of a target.

Abstract: A computer-implemented method including, transmitting a high-spectrum energy wave towards a subject from a first sensor and transmitting a low-spectrum energy wave towards the subject from a second sensor. In response, modulation with a carrier sequence code results in a modulated evoked biological signal. The carrier sequence code has an autocorrelation function. The method includes demodulating the modulated evoked biological signal by calculating a convolution of the modulated evoked biological signal with the carrier sequence code resulting in an evoked biological signal spectrum. The evoked biological signal spectrum has a peak to sideband ratio as a function of the carrier sequence code. The method includes calculating deviations between each element of the sampled evoked biological signal and the peak to sideband ratio and filtering noise artifacts from the sampled evoked biological signal based on the deviations.

Abstract: [Object] To be able to predict a change in condition of a user in a wider range. [Solution] Provided is an information processing apparatus including: a sensor information acquisition unit configured to acquire sensor information including at least biological information of a user; and a biological information change prediction unit configured to predict a change of the biological information from the sensor information in accordance with a framework based on knowledge concerning poor physical condition of the user.

Abstract: A diagnosis support apparatus for physiological monitoring includes a data acquisition device for obtaining information of a heartbeat waveform of an examinee. An extractor extracts blood pressure fluctuations based on changes of blood pressure of the examinee from the heartbeat waveform. A guide information output device outputs guide information for induction of respiratory cycle time of breathing of the examinee according to a period of the blood pressure fluctuations. An arithmetic processor obtains a parameter value related to intensity of the heartbeat waveform. A determiner determines occurrence or non-occurrence of a problem in autonomic activity in an autonomic nervous system in the examinee according to the parameter value. A result output device outputs a determination result of the determiner. Also, the determiner performs the determining according to a maximum of the parameter value within a predetermined first period.

Abstract: A personalized patient alarm management profile configured to be used when monitoring one or more medical parameters, the personalized patient alarm management profile determined based on at least two profile determinants.

Abstract: Imaging systems and methods for rapidly generating reconstruction image data of an object while allowing access to the object during imaging. In some embodiments, the system may comprise at least one radiation source that moves along a path, which path may be defined by an enclosed gantry, and emits radiation toward at least one radiation detector. The radiation source(s) and the radiation detector may be positioned such that at least a portion of an object, such as a portion of a patient's anatomy, can be positioned in between the plurality of radiation sources and the radiation detector to facilitate generation of the reconstruction image data.