Abstract: It is an object of the invention to improve tissue classification in MRI images. In particular it is an object of the invention to improve the classification of bone and air in MRI images. This object is achieved by a method for tissue classification in a region of interest in a magnetic resonance (MR) image comprising a first region and a second region, wherein the first region represents air and the second region represents bone.

Abstract: A medical instrument for magnetic resonance imaging guided radiotherapy includes a magnetic resonance imaging system for acquiring magnetic resonance data from an imaging zone, a radiation source for emitting X-ray or gamma ray radiation directed at a target zone within the imaging zone, wherein the radiation from the radiation source directed to the target zone passes through a radiation window of the magnetic resonance imaging system. The magnetic resonance imaging system includes at least one radiation transparent electrical transmission line, which is configured for transmitting an electrical signal and which extends through the radiation window, wherein the electrical transmission line is provided by a microstrip comprising a conductor line extending parallel to the ground layer, wherein the conductor line and the ground layer are separated from each other by a dielectric substrate.

Abstract: Disclosed embodiments are directed to a method and system for remotely imaging electric fields from living tissues.

Abstract: The present invention provides a range of motion measurement device using electroactive polymer (EAP) sensors to derive digital measurement angles. The EAP sensors may be attached to a stationary arm and rotating arm of the range of motion measurement device to detect a percentage stretched of the EAP sensors after measuring movement is performed. The percentage stretched of the EAP sensors based upon the law of cosines may be used with a transfer function in order to determine the range of motion angle of the joint.

Abstract: A distance measurement device according to the present disclosure includes: a light source configured to emit pulsed laser light; a superimposition portion configured to superimpose reflection light obtained by reflection of the pulsed laser light by an object to be measured and reference light that is the pulsed laser light; a saturation output portion, on which the reference light and the reflection light superimposed on each other are made incident, configured to output light having a saturated light quantity when incident light reaches a predetermined light quantity due to superimposition of pulses of the reflection light and the reference light; and a light-receiving portion configured to receive the light outputted from the saturation output portion.

Abstract: A wearable device for the purpose of measuring expansion of the abdominal cavity as it relates to an end-user's breathing. The device is comprised of a belt with a sensing mechanism that interfaces with an electronics box. The electronics box communicates wirelessly with a phone application, which prompts the user to choose a variety of variables so that each breathing session is customized to their breathing needs. The belt measures the physical expansion of the user's abdomen in real-time, while the application offers real-time data displayed in various engaging graphical interfaces. The belt includes a first and second inextensible belt portion with an extensible belt portion disposed between. The belt includes a belt expansion measuring device configured to measure a length of the extensible belt portion and produce an electronic signal that corresponds to the length of the extensible belt portion and thereby the expansion of the user's abdomen.

Abstract: A mechanism is described for facilitating non-invasive and non-skin piercing monitoring of blood hemoglobin according to one embodiment. A method of embodiments, as described herein, includes receiving a body part including a finger, where the body part in the placement area causes one or more sets of interruptions in the running of a light, where each set of interruptions includes a plurality of interruptions, and detecting initial readings corresponding to interruptions of the one or more sets of interruptions, the initial readings including signals, where an analog signal is generated each time the light is interrupted while passing through the body part. The method may further include calculating absolute values based on average raw values, where calculating includes computing an average absolute value based on the absolute values, and computing a final hemoglobin reading based on the average absolute value.

Abstract: An automated method of evaluating a collected fluid sample includes: filling a sample cavity with the collected fluid sample; adding a buffer solution; separating the collected fluid sample into a first portion and a second portion; mixing the second portion with tagged antibodies; removing leftover tagged antibodies; and measuring a difference between the first portion and the second portion. A sample collection and testing device includes: a reference cavity comprising a reference fluid sample; a test cavity comprising a test fluid sample; a reference measurement element associated with the reference cavity; and a test measurement element associated with the test cavity. A method of evaluating a collected fluid sample including: separating the sample; pumping a first portion to a first measurement cavity; adding a solution to a second portion and pumping the mixture to a second measurement cavity; and measuring a charge difference between the first and second measurement cavities.

Abstract: A device for stabilizing a patient catheter includes a docking pod with a body, an inlet, an outlet, an internal fluid path between the inlet and the outlet, and a securement surface located on an underside of the docking pod. A docking pod adhesive layer located at least partially on the securement surface of the docking pod may secure the docking pod to the patient such that the securement surface and the docking pod adhesive layer form a generally planar or concave surface when secured to the patient. A valve mechanism located within the internal fluid path of the docking pod may control fluid flow through the docking pod. The device may also have a luer connector that is fluidly connected to the outlet of the docking pod and configured to be connected to the catheter.

Abstract: An arrangement for producing a sample of body fluid from a wound opening created in a skin surface at a sampling site includes at least one skin-penetration member having a first end configured to pierce the surface of the skin, and a inner lumen in communication with the first end; at least one actuator operatively associated with the at least one skin-penetration member; and at least one catalyst device configured to cause perfusion of body fluid at the sampling site; wherein the at least one actuator is configured to locate the at least one skin-penetration member so as to obstruct the wound opening while transporting body fluid through the inner lumen. Associated methods are also described.

Abstract: A method and system for assessing the mental state or behavioral disorder of a subject is disclosed. The system includes a display, an input device, a processor, a database and matrix for converting the responses to one or more assessment scores. The disclosure also relates to a method for treating a behavioral disorder using the method and a system described herein.

Abstract: A system comprising: at least one sensor, comprised within a wireless wearable electronic device, the sensor configured to sense, over a given time period, information enabling determination of a Heart Rate Variability (HRV) of a wearer of the wireless wearable electronic device; and one or more processing units configured to: obtain, from the sensor, the information enabling determination of the HRV of the wearer; determine, using the information, the HRV of the wearer; calculate, utilizing the HRV, a stress score indicative of a stress level of the wearer.

Abstract: An imaging apparatus with improved detection accuracy of the state of a subject is provided. An imaging apparatus comprises: an imaging optical system configured to form an optical image of a face of a subject in a vehicle; an image sensor configured to capture the formed optical image and generate a captured image; and an image processor configured to determine a state of the subject based on the captured image, wherein the imaging apparatus satisfies F?0.0003f2/p, where F is an F value of the imaging optical system, f is a focal length of the imaging optical system, and p is a pixel pitch of the image sensor.

Abstract: Disclosed are systems, biomarkers, and methods for the diagnosis of Alzheimer's Disease.

Abstract: A method of predicting progression of a cognitive state in a subject is disclosed including obtaining a neuroimage of the subject, acquiring a data sample from the neuroimage, selecting a time at which to predict progression of the cognitive state, and performing a calculation on the data sample by a transformation function to determine data associated with multiple cognitive metrics. A method of evaluating a cognitive state of a subject is also disclosed including providing a convolutional neural network, training the convolutional neural network with reference data to construct a transformation function, using the transformation function to predict multiple cognitive metrics from a subject data sample and a selected time, and determining the cognitive state of the subject from the predicted cognitive metrics. A cognitive evaluation system is also disclosed including a memory, a processor, and a cognitive state prediction component configured to program the processor with a transformation function.

Abstract: A method of measuring a characteristic of a skin, including varying an air pressure in a chamber positioned adjacent to a skin, in which the chamber has an opening that exposes the skin to changes in the air pressure in the chamber. A plurality of measurements of surface profiles of the skin are made over a period of time as the surface profile of the skin varies in response to changes in the air pressure.

Abstract: The invention provides a skin detection device using different detecting lights, such as white light or UV light. When white light is used, the user's original skin image is acquired, and further analyzed to determine the user's skin condition, such as pore size or dullness of spots. When UV light is used, it is determined whether there is metal remnant or acne on the user's skin. By using the skin detection device, various user skin conditions can be found to help the following cosmetic consultation.

Abstract: A wearable dental apparatus for capturing dental properties of a patient includes a support structure. The support structure is configured to be worn on the dentition of the patient. The wearable dental apparatus includes at least one sensor. The sensor is coupled to the support structure. The sensor is configured to capture a series of measurement of a dental property of the patient. The measurements are associated with one or more locations on the dentition of the patient. A dental map is generated based on at least some of the measurements and is displayed. The dentition of a patient is restored by selecting a restoration material based on the measurements.

Abstract: A method and system for determining training status of a user from exercises using a device with a heart rate sensor, a processor, memory, an output device and software. The training status is selected from a fixed group of alternatives. Each exercise is monitored using the heart rate sensor. Chosen exercise characteristics of each executed exercise are determined using obtained heart rate data and the determined characteristics of each executed exercise are stored in a memory. The chosen exercise characteristics include values of at least following variables: a date of the exercise, a value depicting physical readiness level for exercise during the exercise, a value depicting a training load of the exercise. When the exercises have been executed, values of selection variables are calculated using the stored exercise characteristics in the memory.

Abstract: A system for detecting subsurface blood in a region of interest during a surgical procedure includes an image capture device that captures an image stream of the region of interest and a light source that illuminates the region of interest. A controller applies at least one image processing filter to the image stream, which decomposes the image stream into a plurality of color space frequency bands, generate a plurality of color filtered bands from the plurality of color space frequency bands, adds each band in the plurality of color space frequency bands to a corresponding band in the plurality of color filtered bands to generate a plurality of augmented bands, and a reconstruction filter that generates the augmented image stream from the plurality of augmented bands, which is displayed to a user during the surgical procedure.

Abstract: A noncontact method for detecting and monitoring sleep-disordered breathing includes the following steps: (1) during a test, a tested person lies in a bed, and the antennas of a wireless transceiver are aligned to the human body; (2) the wireless transceiver has the received signal to be subjected to digital signal processing, and mode recognition, and records and reports disordered events. Such non-contact measurement can simplify operation and facilitate long-term dynamic monitoring.

Abstract: A nociception monitoring device including at least one sensor configured to sense at least three physiological parameters of a patient, and a computing unit configured to receive the at least three physiological parameters and to compute a nociception scale (NS) value, indicative of a nociception level of the patient, based on an analysis of the at least three physiological parameters and/or features derived therefrom.

Abstract: A system and method for monitoring a patient's blood glucose levels and communicating such levels to a patient care network is provided. More particularly, a monitor for measuring blood glucose levels may be adapted to alert the patient and preselected members of the patient care network in the event that the patient's blood glucose levels fall below a threshold amount. The monitor may be further adapted to communicate with means for automatically delivering glucose into a patient's body and means for delivering insulin into the patient's body, each means operating alone or in combination. Such a system and method may have applications in preventing symptomatic hypoglycemic episodes and providing diagnostic aid to medical professionals.

Abstract: A method and system for determining psychological acute stress are disclosed. In a first aspect, the method comprises detecting a physiological signal using a wireless sensor device, determining a stress feature using a normalized heart rate and a plurality of heart rate variability (HRV) features, wherein the normalized heart rate and the plurality of heart rate variability features are calculated using the detected physiological signal, and determining a stress level using the stress feature to determine the psychological acute stress. In a second aspect, the system comprises a wireless sensor device that 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 wireless sensor device to carry out the steps of the method.

Abstract: Optical measurement of physiological parameters with wearable devices often includes measuring signals in the presence of significant noise sources. These noise sources include, but are not limited to, noise associated with: variable optical coupling to skin or tissue, variations in tissue optical properties with time due to changes in humidity, temperature, hydration, variations in tissue optical properties between individuals, variable coupling of ambient light sources into detectors, and instrument and detector noise, including electrical noise, radio frequency or magnetic interference, or noise caused by mechanical movement of the detector or its components. The present disclosure includes devices and methods configured to produce representations of the raw data in which noise, broadly defined, is separated from the data of interest. The disclosed devices and methods may include subtracting or calibrating out these noise sources and other spurious fluctuations in wearable devices with optical sensors.

Abstract: Various examples are provided for intelligent mouthguards that can be used in fitness and sport activities. In one example, an intelligent mouthguard system includes a mouthguard including sensors and an internal module in communication with the sensors. The sensors can include a nine-axis inertial sensor comprising a three-axis magnetometer, a three-axis accelerometer and a three-axis gyroscope. The three-axis magnetometer can provide a reference plane in relation to the earth's magnetic field for the three-axis accelerometer and the three-axis gyroscope. The internal module can provide sensor data to an external processing unit when located in an oral cavity.

Abstract: An electronic bracelet includes a wristband including a first layer and a second layer. The second layer is rotatable relative to the first layer. One of the first layer and the second layer includes a number of permanent magnets. The other of the first layer and the second layer includes a number of coils. A control module is fixed on the wristband. The second layer rotates relative to the first layer to generate electricity for the control module.

Abstract: A device for recording movement and/or posture in a continuous area comprising an elastic therapeutic tape substrate for application to a body part, the tape substrate comprising an elastic two dimensional conductor along which an electrical current can flow to produce deformation data comprising change in resistance and/or capacitance as the elastic two dimensional conductor changes geometry in response to movement is described. The device may further comprise a data collection unit which receives the deformation data. Also described are a method and system for recording movement and/or posture in a continuous area comprising applying the elastic therapeutic tape substrate to a body part and producing deformation data comprising change in resistance and/or capacitance as the elastic two dimensional conductor changes geometry in response to movement to thereby record the movement in the continuous area.

Abstract: The present invention generally relates to systems and methods for delivering and/or withdrawing a substance or substances such as blood or interstitial fluid, from subjects, e.g., from the skin and/or from beneath the skin. In one aspect, the present invention is generally directed to devices and methods for withdrawing or extracting blood from a subject, e.g., from the skin and/or from beneath the skin, using devices containing a fluid transporter (for example, one or more microneedles), and a storage chamber having an internal pressure less than atmospheric pressure prior to receiving blood. In some cases, the device may be self-contained, and in certain instances, the device can be applied to the skin, and activated to withdraw blood from the subject. The device, or a portion thereof, may then be processed to determine the blood and/or an analyte within the blood, alone or with an external apparatus.

Abstract: A disease management method and apparatuses performing the disease management method are disclosed. The disease management method may include receiving bioinformation of a cow from a biosensor capsule provided in a stomach of the cow, determining a health state of the cow by analyzing the received bioinformation, and transmitting information associated with the determined health state to a user who manages the cow, in which the health state may include at least one of a breeding-related state associated with estrus and delivery of the cow, a disease state of the cow, a methane gas generation state of the cow, or a rumen activity state of the cow.

Abstract: An apparatus includes a body, an upright member, a frame, and a plurality of field generating elements. The body is configured to be positioned between a patient's back and a backrest of a chair. The upright member extends upwardly from the body. The frame has a curved configuration configured to partially surround a patient's head. The field generating elements are configured to generate an electromagnetic field around a patient's head partially surrounded by the frame.

Abstract: A wearable ECG system includes a plurality of electrodes; a multiplexor, the multiplexor including an input port, two output ports, and a control port, the input port of the multiplexor being connected with the electrodes; an analog detection module being connected with one output port of the multiplexor; a digital detection module being connected with the other output port of the multiplexor; a processor being connected with the control port of the multiplexor and the digital detection module; and a motion detection module connected with the processor and configured to detect acceleration of the wearable ECG system and output an electrical signal accordingly. The processor is configured to receive the electrical signal from the motion detection module, and control the multiplexor to selectively transmit output of the electrodes to the analog detection module or the digital detection module based on the electrical signal.

Abstract: A computer-implemented method for personalized assessment of patients with acute coronary syndrome (ACS) includes extracting (i) patient-specific coronary geometry data from one or more medical images of a patient; (ii) a plurality of features of a patient-specific coronary arterial tree based on the patient-specific coronary geometry data; and (iii) a plurality of ACS-related features from additional patient measurement data. A surrogate model is used to predict patient-specific hemodynamic measures of interest related to ACS based on the plurality of features of the patient-specific coronary arterial tree and the plurality of ACS-related features from the additional patient measurement data.

Abstract: Presented are concepts for monitoring a physical or mental capability of a person. One such concept employs the step of detecting a value of a property of the person or an object manipulated by the person. A trend in a physical or mental capability of the person may then be determined based on the detected value and historical data relating to one or more previously detected values of the property.

Abstract: The present disclosure provides methods and systems for analyzing biological samples and information associated with a disease.

Abstract: Methods and systems of optically measuring systolic and/or diastolic blood pressure of a mammal having biological tissue are disclosed herein. In some embodiments, the system comprises an optical blood motion sensor, a gas-sealable inflatable cushion having a flexible and transparent (FOT) barrier section, and an optical blood motion sensor comprising a laser. When pressure (e.g. at least systolic pressure) illuminates the tissue, laser light may pass en route to the tissue through the FOT sealing barrier section of the gas-sealable inflatable cushion as well as cushion interior. In some embodiments, a rigid restrictor comprising an optically transparent section is provided, and laser light also passes through the optically transparent section of the rigid restrictor en route to the biological tissue.

Abstract: Systems and methods for managing machine-generated medical alerts associated with physiological events detected from one or more patients are described herein. An alert management system may receive medical events detected from a patient and physiological data associated with patient historical medical alerts. The system comprises an alert prioritizer circuit to generate an event priority indicator for the detected medical event, using a comparison between the detected medical event and the physiological data associated with patient historical medical alerts. The system can identify prolific alert patients using the information about the historical medical alerts. The alert prioritizer circuit can adjust a priority of the detected medical event, and an output circuit can present a priority to a user or a process using the event priority indicator and the identification of prolific alert patient.

Abstract: A system for measuring physiological parameters includes a housing mounted to an exterior body surface of a user. The system includes at least a sensor attached to the housing and contacting the exterior body surface at a locus on a head of the user, the at least a sensor configured to detect at least a physiological parameter and transmit an electrical signal as a result of the detection. The system includes an alert circuit communicatively coupled to the at least sensor, the alert circuit configured to receive at least a signal from the at least a sensor, generate an alarm as a function of the at least a signal, and to transmit the alarm to a user-signaling device communicatively coupled to the alert circuit.

Abstract: Methods, systems and devices are disclosed for reducing the motion of a body part during a medical procedure that requires stability of the body part. In one example, the device consists of an object which has been customized so that it conforms to an individual's anatomy. When placed on an individual, the device stabilizes their body during medical imaging or intervention. Virtual targets within the body can be localized as physical locations on the body by adding markers on the device. These markers can be quickly and easily localized across multiple treatment sessions. Because the device is customized for each individual, it is comfortable yet effective.

Abstract: The present invention provides a movable patient table, comprising a table body, a first operating member, a locking member and a transfer member. The first operating member comprises a first operating part. Two ends of the locking member are respectively pivoted to the table body and the first operating member.

Abstract: The present invention provides an X-ray detector having bendable characteristics and including pressure sensing means for measuring the magnitude of an applied external pressure.

Abstract: A system and method for molecular breast imaging (MBI) using pixelated gamma cameras provide easier patient positioning and biopsy access using compression paddles and movable gamma cameras. The paddles and cameras can be curved to better conform to the breast shape. A variable angle slant-hole collimator is provided to assist in stereotactic imaging for biopsy guidance. Methods for performing an MBI screening or diagnostic examination and guiding a biopsy with stereotactic MBI are provided.

Abstract: Disclosed is an X-ray image radiographing apparatus being economical by using a small width sensor, occupying less space, and providing an X-ray CT image and an X-ray panoramic image without distortion and with high accuracy. An X-ray image radiographing apparatus according the present invention includes a rotation supporter rotating based on a rotation shaft; a generating unit including an X-ray generator radiating an X-ray beam; a sensing unit including a small width sensor moving in a width direction thereof; and a controller changing a rotation speed of the rotation supporter or a frame rate of the sensing unit to compensate changes in magnification ratio according to a distance change between an area of interest of the subject and the small width sensor when performing an X-ray image radiographing sequence obtaining a number of CT images by rotating the rotation supporter.

Abstract: A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different energy characteristics. The image data can be reconstructed using reconstruction techniques.

Abstract: A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different energy characteristics. The image data can be reconstructed using reconstruction techniques.

Abstract: A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different energy characteristics. The image data can be reconstructed using reconstruction techniques.

Abstract: There is disclosed a mobile radiographic imaging apparatus including a component operable to emit radiation for imaging a subject, an arm rotatably connected at a proximal end thereof to a body section of the apparatus, such that it is supported by the body section and can slew relative to the body section about an upright axis, and to a distal end of which said component is connected, and a generator assembly arranged in the body section and including a generator arranged in the casing and electrically connected to said component, the apparatus being configured such that the generator assembly rotates with the arm, about said axis, wherein the generator assembly has a centre of mass which is radially offset from said axis in a second direction that is substantially opposite to said first direction.

Abstract: An articulated arm to suspend an X-ray head from a support section in a radiographic imaging apparatus comprising two pairs of linkages separated and joined to an intermediate linkage wherein the proximal end of the first pair of linkages is connected to the support section and the distal end of the second pair of linkages is connected to the X-ray head, and further wherein the linkages in the first pair of linkages are parallel and rotatable about the connection to the support section, the linkages in the second pair of linkages are parallel and rotatable about the intermediate linkage, and whereby a rotational orientation of a mounting for the X-ray head about an axis which is parallel to the axes about which the first pair of linkages are rotatable remains constant when the first pair of linkages is rotated relative to the support section and/or the second pair of linkages is rotated relative to the intermediate linkage.

Abstract: A carrying device is disclosed for a retaining device for an X-ray tube assembly and an X-ray detector of an X-ray system. The carrying device includes a suspension device; a first carrier element arranged on the suspension device; a second carrier element; a first connecting element, the second carrier element being connected to the first carrier element via the first connecting element; a third carrier element connectable to the retaining device; and a second connecting element, the third carrier element being connected to the second carrier element via the second connecting element. In an embodiment, the first connecting element and/or the second connecting element include a revolute joint. Further, the distance between the suspension device and the first connecting element is variable via the first carrier element, and the distance between the first connecting element and the second connecting element is variable via the second carrier element.

Abstract: This X-ray imaging apparatus is equipped with an image processing unit. The image processing unit obtains a first image with a marker reference position set in a first X-ray image and generate a second image in which a virtual marker image is superimposed at a corresponding position in a second X-ray image reflecting the change of a relative position from the marker reference position with respect to the second X-ray image different from the first X-ray image.