Abstract: An electronic apparatus is provided. The electronic apparatus includes a communicator configured to receive a plurality of biometric (bio) signals of a user from an external device; and a processor configured to determine a body condition of the user according to whether each of the received plurality of bio signals is in a normal range, wherein the processor, is further configured to control the communicator to transmit information about the determined body condition to an external device corresponding to the determined body condition among a plurality of external devices, and wherein the determination of a body condition varies as a function of the user having either a symptom or a disease.

Abstract: A system and method for detecting the amount or concentration of an analyte in a medium in living organism. The system may include an analyte sensor module and a transmitter module, which may be separate and distinct components. The analyte sensor module and transmitter module may be at different locations but connected by one or more transmission elements. The analyte sensor may include indicator elements configured to exhibit a detectable property based on the amount or concentration of the analyte in proximity to the indicator elements. The analyte sensor may include sensor elements configured to generate a data signal based on the detectable property exhibited by the indicator elements. The transmission elements may be configured to convey data signals generated by the sensor elements from the analyte sensor module to the transmitter module. The transmitter module may include an antenna.

Abstract: Sleep monitoring and stimulation comprises collecting actigraphy data from a user. The user's sleep phase is determined using the actigraphy data. At least one stimulation, determined at least in part on the sleep phase, is directed towards the user. Subsequent actigraphy data is collected from the user. The actigraphy data and subsequent actigraphy data is used to determine the user's subsequent sleep phase. The stimulation is modified, based at least in part upon the subsequent sleep phase.

Abstract: An electromagnetic (EM) probe for monitoring one or more biological tissues. The EM probe comprises a cup shaped cavity having an opening and an interior volume, a circumferential flange formed substantially around the cup shaped cavity, in proximity to the opening, at least one layer of a material, for absorbing electromagnetic radiation, applied over at least one of a portion of the circumferential flange and a portion of the outer surface of the cup shaped cavity, and at least one EM radiation element which performs at least one of emitting and capturing EM radiation via the interior volume.

Abstract: Methods and apparatus for assessing and correcting phase variations and motion artifacts in a coherent tomogram of a sample. Coherent techniques are used scan a broadband optical beam across a sample in a specified scan pattern and to acquire a cube of complex data constituting a full tomogram. Generalized motion of the sample is then quantified based at least on a phase variation measured during the course of scanning the broadband optical beam in the specified scan pattern. Generalized motion includes both actual motion and apparent motion due to organized variation of some physical parameter such as temperature. Intensity structure of speckle imaged during the course of coherently acquiring the full tomograpm may be used to correct for motion of the sample in a plane transverse to a depth axis along the incident beam.

Abstract: The present disclosure provides systems and methods for the determining a rate of change of one or more analyte concentrations in a target using non invasive non contact imaging techniques such as OCT. Generally, OCT data is acquired and optical information is extracted from OCT scans to quantitatively determine a flow rate of fluid in the target; angiography is also performed using one or more fast scanning methods to determine a concentration of one or more analytes. Both calculations can provide a means to determine a change in rate of an analyte over time. Example methods and systems of the disclosure may be used in assessing metabolism of a tissue, where oxygen is the analyte detected, or other functional states, and be generally used for the diagnosis, monitoring and treatment of disease.

Abstract: A handheld molecular imaging navigation system comprises a multi-spectral light source module configured to provide light in a plurality of different spectrum bands in a time division control manner according to a control signal sequence to irradiate an inspected object; a time division control module configured to generate the control signal sequence; an optical signal acquisition module configured to acquire a near-infrared fluorescence image and a visible light image of the inspected object in a time division control manner according to the control signal sequence provided by the time division control module; and a processing module configured to perform image processing on the acquired near-infrared fluorescence image and visible light image according to the control signal sequence to fuse the visible light image and the fluorescence image and output the fused image, and output a feedback signal according to the acquired near-infrared fluorescence image and visible light image.

Abstract: In general aspect, a white excitation light generating device can include a fluorescent excitation light source that generates fluorescent excitation light, a first light source that generates first monochromatic light of a first wavelength different from a wavelength of the fluorescent excitation light, a second light source that generates second monochromatic light of a second wavelength different from the wavelength of the fluorescent excitation light and the first wavelength, a spectrophoto sensor that measures tristimulus values of at least one of the fluorescent excitation light, the first monochromatic light, and the second monochromatic light, and a controller that adjusts an output of at least one of the fluorescent excitation light source, the first light source, and the second light source on the basis of the measured tristimulus values.

Abstract: Disclosed herein are embodiments of a system that utilizes measurements indicative of respiration in order to estimate an aerobic activity parameter, such as oxygen consumption (VO2), maximal oxygen consumption (VO2 max), or energy expenditure (EE). In one embodiment, this system includes at least one inward-facing head-mounted thermal camera (CAM) and a computer. Each CAM, from among the at least one CAM, is configured to take thermal measurements of a region below the nostrils (THRBN) of a user. THRBN are indicative of an exhale stream of the user, such as an exhale stream from one, or both, of the nostrils and/or the exhale from the mouth. The computer calculates, based on THRBN, the aerobic activity parameter. Optionally, the computer generates feature values based on data comprising THRBN and utilizes a model to calculate the aerobic activity parameter based on the feature values.

Abstract: An apparatus a method for determining stroke volume by bioimpedance from a person having two or more spaced apart alternating current flow electrodes positionable on a person and two or more spaced apart voltage sensing electrodes positionable on the person and between the alternating current flow electrodes. A constant magnitude alternating current source is electrically connectable to the alternating current flow electrodes. A voltmeter is electrically connectable to the voltage sensing electrodes and configured to generate a voltage signal Z from a voltage sensed by the voltage sensing electrodes. A processing unit is electrically connectable with the voltmeter and configured to determine a stroke volume (SV) using the voltage signal Z and at least one of six equations.

Abstract: An apparatus for detecting a physiological condition in a person, comprising input structure for receiving at least two physiological parameters, processing structure for determining, from the received physiological parameters, a result signal indicative of the presence or onset of said physiological condition, and output structure for generating an output indicative of the result signal. The apparatus further comprises storage structure for storing a look-up table comprising a plurality of entries, each entry corresponding to a pre-calculated probability of the presence or onset of said physiological condition, the pre-calculated probabilities being determined by way of a mathematical process from previously monitored physiological parameters; and the processing means is adapted to process the received at least two physiological parameters to identify one of the plurality of entries of the look-up table, and to determine said result signal from the identified entry of the look-up table.

Abstract: In one aspect, the present disclosure relates to a method including obtaining, by a fitness tracking device, a plurality of heart rate measurements of the user over a period of time, wherein the plurality of heart rate measurements can include heart rate data from a heart rate sensor of the fitness tracking device; analyzing, by the fitness tracking device, the plurality of heart rate measurements to determine a rate of change of a heart rate of the user during the period of time; determining, by the fitness tracking device, that the user is experiencing an onset phase if the rate of change of the heart rate during the period of time is greater than zero; determining, by the fitness tracking device, that the user is experiencing a cool-down phase if the rate of change of the heart rate during the period of time is less than zero; estimating, by the fitness tracking device, a first rate of energy expenditure of the user if the user is experiencing an onset phase using an onset calorimetry model; and estimating

Abstract: An electronic device includes a camera, an ambient light sensor, and a proximity sensor. The electronic device uses one or more of the camera and the proximity sensor to emit light into a body part of a user touching a surface of the electronic device and one or more of the camera, the ambient light sensor, and the proximity sensor to receive at least part of the emitted light reflected by the body part of the user. The electronic device computes health data of the user based upon sensor data regarding the received light. In some implementations, the electronic device may also include one or more electrical contacts that contact one or more body parts of the user. In such implementations, the health data may be further computed based on the an electrical measurement obtained using the electrical contacts.

Abstract: Various embodiments include methods and devices for measuring blood pressure. Various embodiments may include receiving, from one or more arterial measurement sensors, a pulse waveform representing arterial pressure as a function of time for each pulse of a series of blood pressure pulses. The series of blood pressure pulses may be correlated to arterial distension at a measurement location of the arterial measurement sensors on a subject's body. One or more elevations of the measurement location may be received from one or more elevation sensors. At least one pulse in the series of pulses may be identified that represents a transitional pulse based on one or more characteristics of the at least one pulse. A diastolic blood pressure may be determined based on the at least one identified transitional pulse and elevation measurements that correspond to the one identified pulse.

Abstract: The invention describes an implantable pressure sensor having a housing, wherein the housing has walls and two or more pressure transfer membranes bounding an internal volume, wherein the pressure transfer membranes are not coplanar.

Abstract: The present disclosure pertains to a system configured to determine one or more parameters based on cardiorespiratory information from a subject and determine sleep stage classifications based on a discriminative undirected probabilistic graphical model such as Conditional Random Fields using the determined parameters. The system is advantageous because sleep is a structured process in which parameters determined for individual epochs are not independent over time and the system determines the sleep stage classifications based on parameters determined for a current epoch, determined relationships between parameters, sleep stage classifications determined for previous epochs, and/or other information. The system does not assume that determined parameters are discriminative during an entire sleep stage, but maybe indicative of a sleep stage transition alone. In some embodiments, the system comprises one or more sensors, one or more physical computer processors, electronic storage, and a user interface.

Abstract: Modular personal networks (MPNs) are disclosed that include multiple devices that may be worn, carried, or used in close proximity to a user. The devices communicate wirelessly. Devices include security circuitry that prevents them from being used in a different MPN once the user has configured them. Devices not designed for use within an MPN can be included in the network using a bridge device. Devices can be integrated into items of jewelry, such as earrings, rings, pendants, and bracelets. One item of jewelry, such as a bracelet, can support multiple replaceable modules with variable functions. Functions of the MPN can include communications, entertainment, medical monitoring, sports monitoring, personal organization, and games. Multiple users each with his or her own MPN can use them to collaborate in creation of music. An MPN can be used for mobile recognition and logging of wildlife.

Abstract: The present application discloses an apparatus for determining a health parameter of a subject. The apparatus includes one or more biometric sensors configured to detect one or more biometric signals of the subject; a memory; and at least one processor. The memory stores computer-executable instructions for controlling the at least one processor to receive the one or more biometric signals from the one or more biometric sensors; classify physiological state of the subject as one of a plurality of physiological states comprising at least a first physiological state and a second physiological state based on the one or more biometric signals, the first physiological state being different from the second physiological state; and calculate the health parameter of the subject using one of a plurality of algorithms comprising at least a first algorithm corresponding to the first physiological state and a second algorithm corresponding to the second physiological state.

Abstract: Systems are provided for detecting the flow of blood or other fluids in biological tissue by illuminating the biological tissue with a coherent light source and detecting time-varying patterns of constructive and destructive interference in light received from portions of the biological tissue by an imager. The movement of blood cells and other light-scattering elements in the biological tissue causes transient, short-duration changes in light emitted from portions of the biological tissue proximate to the moving blood cells or other scatterers. High-frequency sampling or other high-bandwidth processing of light intensities detected by an imager could be used to determine the flow of blood or other fluids at a plurality of points in the biological tissue, to detect and/or localize a tumor in the biological tissue, to determine the location, pattern, width, or other properties of vasculature in the biological tissue, or to provide information for some other application(s).

Abstract: A physiological signal receiving apparatus and a manufacturing method thereof are provided. The physiological signal receiving apparatus includes an electrode layer, a protective layer and a conductive structure electrically connected to the electrode layer. The electrode layer is disposed on a substrate. The electrode layer includes a porous gel and a plurality of conductive particles distributed therein. The protective layer is disposed on the substrate and the electrode layer. The protective layer has an opening exposing a portion of the electrode layer. The porous gel is expanded after absorbing liquid, such that a surface of the electrode layer exposed by the opening is higher than a surface of the protective layer.

Abstract: At least one location of interest for perpetuation or persistence of arrhythmia or atrial fibrillation is identified by determining a repeatability of electrogram morphologies from electrical recordings within at least one atrium.

Abstract: Devices and methods are described that provide improved diagnosis from the processing of physiological data. The methods include use of multiple algorithms and intelligently combing the results of multiple algorithms to provide a single optimized diagnostic result. The algorithms are adaptive and may be customized for particular data sets or for particular patients. Examples are shown with applications to electrocardiogram data, but the methods taught are applicable to many types of physiological data.

Abstract: In one example, a medical device system for at least one of delivery of electrical stimulation pulses or sensing of physiological signals, the system including an elongated carrier; and a thin film wound around the elongated carrier, wherein the thin film includes a plurality of electrical contacts, a plurality of electrodes located distal to the plurality of electrical contacts, and a plurality of conducting tracks, each of the plurality of conducting tracks providing an electrical connection between at least one of the plurality of electrodes and one of the plurality of electrical contacts, and wherein the thin film is wound around the elongated carrier from the distal end of the elongated film to the proximal end of the elongated thin film.

Abstract: The present disclosure pertains to a system and method for determining and displaying a sleep restoration level of a subject for a target sleep session. In some embodiments, the system comprises one or more of a sensor, a processor, electronic storage, a user interface, and/or other components. As the subject sleeps, the system is configured to determine a metric indicating sleep need for the subject and then graphically display a sleep restoration level (a visual representation of the metric indicating sleep need) based on the determined sleep need metric. Instead of assuming common parameters for multiple users, the system is configured to determine the sleep need metric based on obtained baseline sleep parameters that have been determined individually for the subject based on one or more previous sleep sessions, a determined amount of slow wave activity in the subject during the target sleep session, and/or other information.

Abstract: A brain-machine interface apparatus and a method of the same are provided. To elaborate the brain-machine interface apparatus may include a display where a plurality of light-emitting points (or lines) flickering with their individual set frequencies are arranged a flickering controller that divides the plurality of the light-emitting points (or lines) into a plurality of groups, and sets the set frequencies for the groups; an EEG measurement unit that detects EEG signals of a user who watches the display without gaze-shift; a frequency detector that detects one or more (their harmonic or combination) frequency components from the measured EEG signals; a shape analysis unit that decodes an originally intended shape according to the user's imagination based on the one or more detected frequency components and the set frequencies; and a result output unit that outputs information of the embodied originally intended shape.

Abstract: Medical devices and methods for making and using medical devices are disclosed. An example electrophysiology medical device may include a catheter shaft including a distal end portion and a sensing assembly having three or more terminals. The sensing assembly includes one or more current-carrying electrodes and one or more sensing electrodes. The one or more current-carrying electrodes, the one or more sensing electrodes, or both includes a mini-electrode. The mini-electrode is disposed on one of the other electrodes. The medical device may also include a controller coupled to the sensing assembly.

Abstract: Methods to generate luminal organ profiles using impedance. One embodiment of such a method comprises the steps of introducing an impedance device having at least two detection electrodes positioned in between at least two excitation electrodes into a treatment site of a luminal organ at a first position, measuring a first treatment site conductance at the first position using the impedance device and at least two injections of solutions having different conductivities, moving the impedance device to a second position in the luminal organ, measuring a second treatment site conductance at the second position using the impedance device and the at least two injections of solutions having different conductivities, calculating a first position cross-sectional area using the first treatment site conductance and a second position cross-sectional area using the second treatment site conductance, and constructing a profile of the treatment site.

Abstract: Methods for quickly estimating apparent diffusion coefficient probability density functions (ADC PDFs) for each image voxel are provided using a “diffusion reproducibility evaluation and measurement” (DREAM) magnetic resonance sequence. Non-diffusion-weighted (reference) images collected simultaneously have blood oxygenation level dependent (BOLD) sensitivity that can be used for resting-state fMRI data to measure functional connectivity, an unbiased parameter reflecting neurological integrity. ADC coefficient of variation (ADC CV) measurements can be used to isolate and label regions of non-enhancing tumor and predict future enhancement independent of FLAIR, T2, or average ADC maps. Functional diffusion mapping (fDMs) using voxel-wise changes in ADC PDFs can be used to spatially visualize and statistically quantify response to treatment.

Abstract: Rapid quantitative evaluations of heart function are carried out with strain measurements from Magnetic Resonance Imaging (MRI) images using a circuit at least partially onboard or in communication with an MRI Scanner and in communication with the at least one display, the circuit including at least one processor that: obtains a plurality of series of MRI images of long and short axis planes of a heart of a patient, with each series of the MRI images is taken over a different single beat of the heart of the patient during an image session that is five minutes or less of active scan time and with the patient in a bore of the MRI Scanner; measures strain of myocardial heart tissue of the heart of the patient based on the plurality of series of MRI images of the heart of the patient; and generates longitudinal and circumferential heart models with a plurality of adjacent compartments, wherein the compartments are color-coded based on the measured strain.

Abstract: Systems and methods are described for inducing tissue vibration for magnetic resonance elastography is described. The system includes a hydraulic drive component that is mechanically linked to a pneumatic drive component. The pneumatic drive component is pneumatically linked to a passive pneumatic actuator component that is positionable on a patient proximate to a target tissue. Alternating linear movement of an actuator piston within the passive actuator component induces vibration of the target tissue. The frequency of the alternating linear movement of the actuator piston within the passive pneumatic actuator component is controlled by adjusting how fluid is pumped in the hydraulic drive component.

Abstract: The present disclosure provides, in part, methods for high spatiotemporal resolution self-sorted 4D MRI. These methods can be used to improve resolution of abdominothoracic MRI during breathing by facilitating the sorting of information corresponding to individual MRI pulse sequences according to phase within the respiratory cycle. An image of the anatomy for a particular phase within the respiratory cycle is then determined using both information corresponding to the particular phase and high-frequency MR imaging information corresponding to other respiratory phases. This method provides an increase in image resolution by sharing information at high frequencies in k-space, which may be less thoroughly sampled during any particular respiratory phase, between different respiratory phases.

Abstract: A maneuverable RF coil assembly, useful for being maneuvered at both positions: (i) over at least a portion of a neonate immobilized within a cradle at time of MR imaging; and (ii) below or aside the cradle when it is not required for imaging. The maneuverable RF coil assembly comprises at least one RF coil and maneuvering mechanism. The maneuvering mechanism comprises both: (i) a linear reciprocating mechanism for approaching or otherwise drawing away at least one coil to and from the neonate; and (ii) tilting mechanism for placing at least one coil away from the neonate.

Abstract: A guidance system for assisting with the insertion of a needle into a patient body is disclosed. The guidance system utilizes ultrasound imaging or other suitable imaging technology. In one embodiment, the guidance system comprises an imaging device including a probe for producing an image of an internal body portion target, such as a vessel. One or more sensors are included with the probe. The sensors sense a detectable characteristic related to the needle, such as a magnetic field of a magnet included with the needle. The system includes a processor that uses data relating to the sensed characteristic to determine a 3-D position of the needle. The system includes a display for depicting the position of the needle. A needle assembly including a hub, cannula, and magnetic element is also disclosed, wherein a magnetic axis of the magnetic element is configured to be coaxially aligned with the needle cannula.

Abstract: A method, including positioning body-electrodes in galvanic contact with a body of a patient and locating a probe in the body of the patient. The method further includes tracking positions of the probe during respiration of the patient and determining indications related to impedances between the body-electrodes during the respiration. The method also includes calculating a function relating the positions of the probe to the indications, and applying the function to identify end-expirium points of the respiration based on subsequent indications related to the impedances.

Abstract: A registration device for patient registration comprises at least one reference marker adapted to be sensed by an imaging system and/or at least one position element adapted to be localized by a position sensing system, and fixation element for positioning the registration device in a patient's body cavity at a location comprising soft tissue. The registration device is adapted to be introduced into and positioned in the patient's body cavity, particularly in the viscerocranium such as the nasal cavity, the nasopharynx, the ear canal(s) and/or the neurocranium such as a cerebral ventricle.

Abstract: Tubes (e.g., catheters, endotracheal or chest tubes and bypass grafts) are provided, comprising a catheter and a plurality of sensors. Briefly stated, a wide variety of tubes (e.g., catheters, endotracheal or chest tubes, bypass grafts, balloon catheters, urinary catheters, central lines and dialysis catheters), as well as related delivery devices (e.g., guidewires) are provided with a number of sensors to monitor the integrity, patency and efficaciousness of the device.

Abstract: While a catheter that includes (i) a catheter body, and (ii) a catheter shaft, which includes a sensor and which is disposed inside a lumen of the catheter body, is inside a body of a subject, a coordinate system of the sensor is registered with a coordinate system of an imaging system, using (a) a calibration image, acquired by the imaging system, that shows an indication of a distal end of the catheter body, and (b) a signal from the sensor, but not using any indication of the sensor shown in the calibration image. Using the registering, a visual output is generated. Other embodiments are also described.

Abstract: Disclosed herein are embodiments of an athletic coaching system that includes at least one inward-facing head-mounted thermal camera (CAM) and a computer. Each CAM from among the at least one CAM is configured to take thermal measurements of a region below the nostrils (denoted THRBN) of a user. THRBN are indicative of an exhale stream of the user (e.g., an exhale stream from a nostril and/or from the mouth). The computer is configured to: receive measurements of movements (Mmove) involving the user; generate, based on THRBN and Mmove, a coaching indication; and present, via a user interface, the coaching indication to the user. In one example, the coaching indication is indicative of a change the user should make to one or more of the following: cadence of movements, stride length, breathing rate, breathing type (mouth or nasal), and duration of exhales.

Abstract: System and method for monitoring motor recovery in a post-stroke treatment is disclosed. Motor activity data corresponding to limbs movement is collected during an acute stroke period. The motor activity data is transmitted to at least one base station and an activity value for each arm of two arms is calculated in a predefined time window by using the motor activity data. The activity value for each arm is compared thus providing the monitoring of the motor activity.

Abstract: There is provided a fall detection system, comprising a user device comprising one or more sensors for measuring the movements of a user; and the system further comprising a processing unit configured to operate in a first mode in which the processing unit processes the measured movements to determine if the user has fallen and a further mode in which the processing unit processes measured movements obtained during a user-specified time period to determine the risk of the user falling.

Abstract: The system and method of the present invention utilizes one or more sensors to generate data attached to a person interfaced with a data monitoring computing device and a data management computing device monitoring the terrain the individual is traversing and gait at which the individual is traversing the terrain, in addition to predicting the terrain the individual is about to traverse.

Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

Abstract: A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

Abstract: The present invention discloses a system of monitoring patients in hospital beds, the system comprising: at least one image capture element (2) disposed in a hospital bed (10) and configured to generate an image parameter (11) of a patient (12) disposed in the hospital bed (10). The system further comprises at least one processor, configured to generate a temperature map (13) of the patient (12) from the image parameter (11). Also disclosed is a method (40) of monitoring patients in hospital beds.

Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

Abstract: A pulse photometer includes: a first variation acquirer acquiring a first variation corresponding to a light attenuation variation of a first light beam due to pulsation of blood in a subject, based on a first intensity signal corresponding to an intensity of the first light beam that is transmitted through or reflected from a body of the subject, and that has a first wavelength; a second variation acquirer acquiring a second variation; and a concentration calculator calculating a blood light absorber concentration, based on the first and second variations, the second variation containing a first offset which is based on an inverse of the light attenuation variation of the first light beam.

Abstract: An intraoperative tissue oximetry device includes a tissue marker that includes one or more pens or one or more similar ink sources, such that the tissue marker can mark tissue according to oxygen saturation measurements made by the tissue oximetry device, thereby visually delineating regions of potentially viable tissue from regions of potentially nonviable tissue.

Abstract: A pulse oximetry system for reducing the risk of electric shock to a medical patient can include physiological sensors, at least one of which has a light emitter that can impinge light on body tissue of a living patient and a detector responsive to the light after attenuation by the body tissue. The detector can generate a signal indicative of a physiological characteristic of the living patient. The pulse oximetry system may also include a splitter cable that can connect the physiological sensors to a physiological monitor. The splitter cable may have a plurality of cable sections each including one or more electrical conductors that can interface with one of the physiological sensors. One or more decoupling circuits may be disposed in the splitter cable, which can be in communication with selected ones of the electrical conductors. The one or more decoupling circuits can electrically decouple the physiological sensors.

Abstract: In one aspect, the present disclosure provides a system A system, including a light source, a detector, and a controller in electrical communication with the light source and the detector. The controller is configured to execute a program stored in the controller to trigger the light source to emit a first pulse of light having a first pulse duration for illumination of a target, actuate the detector after a first delay time following emission of the first pulse of light to begin detecting a first signal from the target for a first detection time, and repeat the steps of triggering the light source and actuating the detector at least once, varying for each repetition at least one of the first pulse duration, the first delay time, and the first detection time.

Abstract: A disposable blood-taking needle with double-surface cap includes a lancet body with a needle tip, a lancet handle and a lancet cap. The lancet body is fixed inside the lancet handle and the needle tip extends out of the first end of the lancet handle to be inserted into the lancet cap. The body of the lancet cap is a block structure, which includes a first face and a second face. Both the first face and second face are flat and opposed such that when one face faces upwards, the other face faces downwards and the included angle between them in space is less than 45°; the first face is provided with a first blind hole and the second face is provided with a second blind hole and both the first blind hole and the second blind hole match the first end of the lancet handle in respect of connection relationship. In the block structure, except the first face and the second face, the other external surfaces are arcuate faces protruding outward and/or angular faces protruding outward.