Abstract: The invention comprises a method and apparatus for selecting optical pathways sampling a common tissue position, such as a lateral mean range in the dermis, of a person for analysis in a noninvasive analyte property determination system, comprising the steps of: probing skin with a range of illumination zone-to-detection zone distances with at least two wavelength ranges, which optionally overlap, and selecting, using a metric, illumination zone-to-detection zone distances having mean optical pathways probing the common tissue layer, such as without the mean optical pathways entering the subcutaneous fat layer of the person. Optionally, the skin tissue layers are modulated and/or treated via tissue displacement before and/or during data collection.

Abstract: A method of controlling user equipment for a medical checkup and an apparatus for performing the method include controlling user equipment for a medical checkup the includes generating digital biomarker control data by a diagnosis server on the basis of prescription data, and transmitting the digital biomarker control data to user equipment by the diagnosis server, wherein the digital biomarker control data includes information for controlling a digital biomarker module of the user equipment.

Abstract: A system for detecting unsafe equipment operation conditions using physiological sensors includes a plurality of wearable physiological sensors, each physiological sensor of the plurality of wearable physiological sensors configured to detect at least a physiological parameter of an operator of an item of equipment, and a processor in communication with the at least a physiological sensor and designed and configured to determine an equipment operation parametric model, wherein the equipment operation parametric rule relates physiological parameter sets to equipment operation requirements, detect using the equipment operation parametric model and the plurality of physiological parameters, a violation of an equipment operation requirement, and generate a violation response action in response to detecting the violation.

Abstract: An apparatus for estimating bio-information, the apparatus including a pulse wave sensor and a processor. The pulse wave sensor includes a plurality of channels, each channel of the plurality of channels being configured to measure a first pulse wave signal of a first wavelength and a second pulse wave signal of a second wavelength that is different from the first wavelength. The processor is configured to: for each channel of the plurality of channels, generate a first oscillogram based on the first pulse wave signal, generate a second oscillogram based on the second pulse wave signal, and convert a phase delay between the first oscillogram and the second oscillogram into an area. The processor is further configured to determine a channel among the plurality of channels based on the area of each channel, and estimate bio-information based on the determined channel.

Abstract: The present disclosure facilitates capture of biosignal such as biopotential signals in microvolts, or sub-microvolts, resolutions that are at, or significantly below, the noise-floor of conventional electrocardiographic and biosignal acquisition instruments. In some embodiments, the exemplified system disclosed herein facilitates the acquisition and recording of wide-band phase gradient signals (e.g., wide-band cardiac phase gradient signals, wide-band cerebral phase gradient signals) that are simultaneously sampled, in some embodiments, having a temporal skew less than about 1 ?s, and in other embodiments, having a temporal skew not more than about 10 femtoseconds. Notably, the exemplified system minimizes non-linear distortions (e.g., those that can be introduced via certain filters) in the acquired wide-band phase gradient signal so as to not affect the information therein.

Abstract: Novel tools and techniques for wearable device vital signs monitoring are provided. An apparatus system includes a remote device, and a wearable device in communication with the remote device. The wearable device includes a polychromatic light source, a spectral sensor, a processor, and a non-transitory computer readable medium comprising instructions executable by the processor. The wearable device is configured to illuminate, via the polychromatic light source, a perfused tissue of the body of the patient, receive, via the spectral sensor, a resultant signal from the body of the patient, and determine a spectral property of the resultant signal. The wearable device may then determine a vital sign of the patient based, at least in part, on a lookup table and the spectral property of the resultant signal.

Abstract: The invention relates to an optical sensor system of a wearable device. The system comprises: at least two photo transmitters, a photoreceiver, receiving electronics, and a microcontroller. The microcontroller is configured to: set measurement conditions of the system; control taking at least one main sample from the received signal at one receiver channel; analyze the at least one main sample; control taking at least one test sample with at least one changed measurement condition at the same receiver channel; analyze the at least one test sample separately; compare at least one characteristic of the at least one test sample signal to the corresponding at least one characteristic of the at least one main sample signal; and change the measurement conditions to correspond to the measurement conditions used for the at least one test sample, if at least one characteristic of at least one test sample signal is better than corresponding at least one characteristic of the at least one main sample signal.

Abstract: Methods and systems are provided for determining fluid administration. The system may determine fluid administration based on the fluid responsiveness and regional oxygen saturation of a subject. The system may receive the fluid responsiveness and regional oxygen saturation from external sources or may determine one or both based on received physiological signals. In some embodiments, the system may determine whether to administer fluid based on the fluid responsiveness and regional oxygen saturation. In some embodiments, the system may determine the amount of fluid to administer based on the fluid responsiveness and regional oxygen saturation. In some embodiments, the system may determine the effectiveness of fluid administration. In some embodiments, the system may provide an indication of the determined fluid administration so that a care-giver can implement the appropriate fluid administration. In some embodiments, the system may control the fluid administration based on its determination.

Abstract: A wearable electronic device, a system and methods of monitoring with a wearable electronic device. The device includes a hybrid wireless communication module with wireless communication sub-modules to selectively acquire location data from both indoor and outdoor sources, as well as a wireless communication sub-module to selectively transmit a cellular-based LPWAN signal to provide location information based on the acquired data. The device may also include sensors to collect one or more of environmental, activity and physiological data. The device may transmit some or all of its acquired data to the system to provide a predictive model to correlate changes in the acquired data to corresponding health, safety or related changes to a wearer of the device. In one form, the predictive health care protocol uses a machine learning model at least some of which may be performed on the device.

Abstract: A method of enhancing the visibility of blood vessels in a colour image captured by an image capturing device of a medical device, including, for at least some of the pixels of the image, the steps of: (a) processing data obtained from a first colour channel together with data obtained from a second colour channel to determine a value of a first parameter indicative of the intensity in the red spectrum relative to the total intensity of said pixel; (b) using said value of said first parameter and a first value of a user parameter to alter said pixel, the first value of the user parameter being based on user input, and wherein the strength of the alteration is dependent on both the value of said first parameter and the first value of said user parameter.

Abstract: A wearable sensor for measuring a parameter of human skin is described and includes a flexible body comprising sensor components formed on, adjacent or within the flexible body and configured to generate a first signal indicative of the parameter of human skin; microfabricated processing circuitry formed within the flexible body, coupled to the sensor components and configured to process the first signal to produce a second signal; and an antenna, formed on, adjacent or within the flexible body, the antenna being coupled to the processing circuitry and configured to transmit the second signal to an external device.

Abstract: A system for measuring pain of a person, the system for use with the tissue of the person. Various sensors and detectors on the tissue provide signals to a controller for determining and indicating a pain level of the person.

Abstract: In some embodiments, a wound monitoring and/or therapy apparatus can include a wound dressing configured to be positioned over a wound. The wound dressing can support one or more sensors. The one or more sensors can include an optical sensor array cluster, which can include an optical sensor and single light source. In some embodiments, the wound dressing can include a substantially stretchable wound contact layer that includes a wound facing side and a non-wound facing side opposite the wound facing side, the wound facing side configured to be positioned in contact with a wound. The non-wound facing side of the wound contact layer can support a plurality of electronic components and a plurality of electronic connections that connect at least some of the plurality of the electronic components. The electronic components can include one or more sensors configured to obtain measurements of the wound or the periwound, or both.

Abstract: Methods and devices monitor oxygen saturation levels in tissue. According to one aspect of the invention, a device is a sensor panel comprising a flexible substrate and a plurality of oximeter sensor units coupled to the substrate. In another aspect of the invention, the device is a sensor panel comprising a flexible substrate and a plurality of oximeter sensor units and a plurality of pressure sensors coupled to the substrate. Embodiments of the invention can be used to simultaneously measure oxygen saturation levels in many locations of a large tissue. Embodiments of the invention can be applied in diagnosing a medical condition involving a large tissue area where the oxygen saturation level is unstable.

Abstract: Aspects of the present disclosure are directed to detecting apneic and/or hypopneic events, utilizing a physiological signal. Various apparatuses and/or methods involve computing time series of interbeat intervals are from data characterizing activity of a beating heart, decomposing the time series is into subcomponents, and identifying ones of the subcomponents that relate to a portion of the data during which an apneic and/or hypopneic, as may be detected via oximetry. Once identified, these subcomponents and related formula/weighting can be utilized in computing further subcomponents from the data, and identifying further apneic and/or hypopneic events therefrom. In this context, such events may be detected without necessarily involving further use of oximetry.

Abstract: A patient monitor can noninvasively measure a physiological parameter using sensor data from a nose sensor configured to be secured to a nose of the patient. The nose sensor can include an emitter and a detector. The detector is configured to generate a signal when detecting light attenuated by the nose tissue of the patient. An output measurement of the physiological parameter can be determined based on the signals generated by the detector. The nose sensor can include a diffuser configured to disseminate light exiting from the emitter into or around a portion of the patient's body. The nose sensor can also include a lens configured to focus light into the detector.

Abstract: Systems and methods for implementing power management features while providing a wireless asymmetric network are disclosed herein. In one embodiment, a system includes a hub having a wireless control device that is configured to control communications and power consumption in the wireless asymmetric network architecture and sensor nodes each having at least one sensor and a wireless device with a transmitter and a receiver to enable bi-directional communications with the wireless control device of the hub. The wireless control device is configured to determine a scheduled timing of operating each sensor node during a first time period that is close in time with respect to a transmit window of the transmitter and during a second time period that is close in time with respect to a receive window of the receiver for each wireless device to reduce power consumption of the wireless devices of the sensor nodes.

Abstract: A bio-signal quality assessment apparatus may include: a bio-signal obtainer configured to obtain a bio-signal; and a processor configured to extract periodic signals from the obtained bio-signal, and determine a signal quality index based on at least one of similarity between the extracted periodic signals and signal variability of the obtained bio-signal.

Abstract: A laparoscopic medical device includes an oximeter sensor at its tip, which allows the making of oxygen saturation measurements laparoscopically. The device can be a unitary design, wherein a laparoscopic element includes electronics for the oximeter sensor at a distal end (e.g., opposite the tip). The device can be a multiple piece design (e.g., two-piece design), where some electronics is in a separate housing from the laparoscopic element, and the pieces (or portions) are removably connected together. The laparoscopic element can be removed and disposed of; so, the electronics can be reused multiple times with replacement laparoscopic elements. The electronics can include a processing unit for control, computation, or display, or any combination of these. However, in an implementation, the electronics can connect wirelessly to other electronics (e.g., another processing unit) for further control, computation, or display, or any combination of these.

Abstract: A laparoscopic medical device includes an oximeter sensor at its tip, which allows the making of oxygen saturation measurements laparoscopically. The device can be a unitary design, wherein a laparoscopic element includes electronics for the oximeter sensor at a distal end (e.g., opposite the tip). The device can be a multiple piece design (e.g., two-piece design), where some electronics is in a separate housing from the laparoscopic element, and the pieces (or portions) are removably connected together. The laparoscopic element can be removed and disposed of; so, the electronics can be reused multiple times with replacement laparoscopic elements. The electronics can include a processing unit for control, computation, or display, or any combination of these. However, in an implementation, the electronics can connect wirelessly to other electronics (e.g., another processing unit) for further control, computation, or display, or any combination of these.

Abstract: The development of artificial pancreas (AP) technology for deployment in low-energy, embedded devices is contingent upon selecting an efficient control algorithm for regulating glucose in people with type 1 diabetes mellitus (T1DM). The energy consumption of the AP can be lowered by reducing updates of the control model: the number of times the decisionmaking algorithm is invoked to compute an appropriate insulin dose.

Abstract: A vital sign information sensor for acquiring vital sign information from a physiological tissue of a subject includes: a sensor element configured to acquire the vital sign information from the subject; and a memory storing URI information. The URI information is capable of gaining access to an electronic content provided by a WEB server disposed on a communication network. When the vital sign information sensor is communicably connected to a vital sign information display apparatus, the URI information is transmitted from the memory to the vital sign information display apparatus. The electronic content includes information relevant to the vital sign information sensor.

Abstract: The present invention provides for a data acquisition system for EEG and other physiological conditions, preferably wireless, and method of using such system. The wireless EEG system can be used in a number of applications including both studies and clinical work. These include both clinical and research sleep studies, alertness studies, emergency brain monitoring, and any other tests or studies where a subject's or patient's EEG reading is required or helpful. This system includes a number of features, which enhance this system over other systems presently in the marketplace. These features include but are not limited to the having multiple channels for looking at a number of physiological features of the subject or patient, a built in accelerometer for looking at a subject's or patient's body motion, a removable memory for data buffering and storage, capability of operating below 2.

Abstract: A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a bandage that is constructed as a single piece such that plural layers of the bandage are configured together to allow for a leaflet opening of the bandage, for example using at least one removable liner or tab, to insert a pulse oximetry circuit therein.

Abstract: The present disclosure provides methods and apparatus for evaluating the flow of blood in damaged or healing tissue. The present disclosure also provides methods of identifying a patient at the onset of risk of pressure ulcer or at risk of the onset of pressure ulcer, and treating the patient with anatomy-specific clinical intervention selected based on perfusion or blood oxygenation values, or a combination thereof. The present disclosure also provides methods of stratifying groups of patients based on risk of wound development and methods of reducing incidence of tissue damage in a care facility. The present disclosure also provides methods to analyze trends of perfusion or oxygenation measurements to detect tissue damage before it is visible, and methods to compare bisymmetric perfusion values to identify damaged tissue.

Abstract: Provided is an ultrasonography system capable of suppressing image quality deterioration of an ultrasound image and achieving reduction in diameter of an ultrasound endoscope. An ultrasonography system includes an ultrasound transducer array in which ultrasound transducers are arranged, a cable that is connected to the ultrasound transducers, the cable having a non-coaxial cable that includes a first cable bundle consisting of signal wires and ground wires, and a first shield layer with which the first cable bundle is coated, and an outer coat with which a second cable bundle consisting of a plurality of the non-coaxial cables is coated, a memory that stores static capacitance data indicating static capacitance of each signal wire included in the first cable bundle, and a processor that periodically corrects transmission and reception sensitivity of each ultrasound transducer based on the static capacitance data stored in the memory.

Abstract: The present specification discloses a photobiomodulation therapy garment having a garment structure configured to be worn by a user atop a skin surface with one or more near-infrared light sources integrated with the garment structure. The near-infrared light source is configured to emit near-infrared light directed to one or more regions of interest of the skin at a wavelength between 600 nm to 1600 nm and at a predetermined dosimetry and duration. A controller with a processor and memory is in communication with the near-infrared light source to control the operational parameters of the near-infrared light source.

Abstract: Representative methods, apparatus and systems are disclosed for blood pressure and other vital sign monitoring using arterial applanation tonometry, including ambulatory blood pressure and other vital sign monitoring. A representative system comprises a wearable apparatus. The various embodiments measure blood pressure and other vital sign monitoring using a plurality of pressure sensors of a pressure sensor array, with one or more of the pressure sensors 140 applanating an artery, such as a radial artery. In a first embodiment, a pressure sensor signal is utilized which has the highest cross-coherence with the signals of its nearest pressure sensor neighbors of the pressure sensor array. In a second embodiment, Kalman filtering is utilized for the pressure sensor signals from the pressure sensor array.

Abstract: A detection device includes a plurality of optical sensors arranged in a detection area, a light source configured to emit light that is emitted to an object to be detected and is detected by the optical sensors, and a processor configured to perform processing based on outputs from the optical sensors. The processor is configured to determine, based on the outputs of the respective optical sensors obtained at a cycle of a predetermined period, an optical sensor an output of which is to be employed from among the optical sensors.

Abstract: A medical device such as an oximeter includes a marking feature. In an implementation, a marking mechanism of the device marks tissue based on a location of where a measurement was taken by the device. In an implementation, the marking mechanism of the device marks tissue based on an oxygen saturation measurement obtained by the device.

Abstract: A wearable module assembly for an optical measurement system includes a first wearable module, a second wearable module, and a connector. The first and second wearable modules each include a light source configured to emit a light pulse toward a target within a body of a user, a housing that houses the light source and the plurality of detectors and includes a substantially hexagonal surface that faces a surface of the body of the user when the wearable module assembly is worn by the user, and a plurality of detectors each positioned at a fixed distance from the first light source and each configured to detect a set of photons included in the light pulse after the set of photons are scattered by the target. The connector directly connects the first wearable module and the second wearable module at mutually-facing side surfaces of the respective housings.

Abstract: An oximeter probe that takes into account tissue color (e.g., skin color or melanin content) to improve accuracy when determining oxygen saturation of tissue. Light is transmitted from a light source into tissue having melanin (e.g., eumelanin or pheomelanin). Light reflected from the tissue is received by a detector. A compensation factor is determined to account for absorption due to the melanin. The oximeter uses this compensation factor and determines a melanin-corrected oxygen saturation value.

Abstract: An oximeter device determines an oxygen saturation for the tissue and determines a quality value for the oxygen saturation and associated measurements of the tissue. The quality value is calculated from reflectance data received at the detectors of the oximeter device. An accelerometer of the oximeter device can detect movement of the oximeter device when oximetry measurements are made by the oximeter device. An amount of the movement is an indicator of a probe face of the oximeter device changing position with respect to the tissue when the measurements are made. The accelerometer information is used by the oximeter device to adjust the quality value to reflect the amount movement. The oxygen saturation and the adjusted quality metric value are displayed on a display of the oximeter device so that a user may view the quality of the displayed information.

Abstract: A device to detect defects in a finished surface by analyzing images thereof taken under lighting of different colors includes a supporting mechanism, a transmitting mechanism, a detecting mechanism, and a processor. The transmitting mechanism carries and transmits the product. The detecting mechanism includes a detecting frame, and a light source assembly. The processor connects to a camera assembly, and preprocesses images obtained of the long side surfaces, of the width side surfaces, and of the chamfered side surfaces of the product to detect any defects of these surfaces of the product.

Abstract: This relates to methods for measuring irregularities in a signal and corresponding devices. The devices can include a PPG sensor unit configured to detect multiple occurrences of a given event in the measured signal(s) over a sampling interval. In some instances, the device can register the occurrences of the events. In some examples, the device can include one or more motion sensors configured to detect whether the device is in a low-motion state. The device may delay initiating measurements when the device is not in a low-motion state to enhance measurement accuracy. Examples of the disclosure further include resetting the sample procedure based on one or more factors such as the number of non-qualifying measurements. In some examples, the device can be configured to perform both primary and secondary measurements, where the primary measurements can include readings using a set of operating conditions different from the secondary measurements.

Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to measure a force exerted by the object to the pulse wave sensor; and a processor configured to obtain a contact pressure based on the force and a reference contact area between the object and a contact surface, and estimate bio-information based on the contact pressure and the pulse wave signal.

Abstract: An ear-wearable device includes a photoplethysmography (PPG) sensor. One or more processors of the ear-wearable device are configured to determine, based on sample values of a PPG signal generated by the PPG sensor, whether a user of the ear-wearable device has fallen.

Abstract: A system determines patient eligibility for a medical protocol. The system includes a medical protocol library containing information relating to a plurality of medical protocols. The information includes eligibility rules and compliance rules for the plurality of medical protocols. The system also includes a sensor and medical device interface configured to receive patient data from one or more sensors and/or one or more medical device. The patient data relates to the eligibility rules and/or the compliance rules for at least one of the medical protocols. The system also includes a protocol eligibility module configured to determine patient eligibility for at least one of the medical protocols as a function of the received patient data. Furthermore, the system includes a user interface configured to display an indication that the patient is eligible for the protocol.

Abstract: A computer-implemented method and system includes accessing neurophysiological and neurovascular data recorded during sleep. A function mapping is executed from said neurophysiological and neurovascular data to a target that is one of a glymphatic flow marker, a molecular analysis marker of neurodegeneration, or a neuroimaging marker of neurodegeneration. A target prediction model is output based on the function mapping. The target prediction model can receive new neurophysiological and neurovascular data and output a predicted marker of neurodegeneration.

Abstract: A method and an apparatus for switching an ECG measurement mode, a wearable device, and a computer-readable storage medium. The method includes: receiving two successive pieces of PPG data transmitted by an optical heart-rate sensor, where the PPG data is generated by a contact between a measurement electrode and a skin; calculating a difference between the two received pieces of the PPG data; and controlling switching among measurement modes based on the difference, where the measurement modes comprise an ECG wristband mode and an ECG chest-lead mode Manual switching of an ECG measurement mode is avoided with simple operations, high efficiency, and more intelligence.

Abstract: The technology relates to medical devices for monitoring and assessing vascular health. In one embodiment, the technology is an apparatus that attaches to a subject's finger comprising a heating and cooling component, a coherent source, a temperature sensor, an image detector, and/or a component for data control and management. In another embodiment, there is a component that alters local blood flow in the subject, and laser speckle contrast and photoplethysmography (PPG) signals from the altered blood flow in the subject are compared to monitor the vascular health of the subject.

Abstract: A biological information detection method including: causing a light source to emit first light in a first area; detecting a presence of a first living body in the first area based on a second light which is resulted in the emission of the first light; detecting body motion of the first living body based on the second light; determining whether or not the body motion is within a low level; notifying, in response to the determination that the body motion is within the low level, a first alert to the first living body, where the first alert includes an information to draw attention of the first living body.

Abstract: A medical monitoring device for analysis of a set of physiologic and laboratory data and for providing a real time or near real time correlation metric for a distress condition is described herein. The medical monitoring device can include a memory storage that comprises a first set of definitions of rise and fall patterns of said physiologic and laboratory data, each of the rise and fall patterns being indicative of a physiological occurrence, a second set of definitions of time series matrix patterns of said rise and fall patterns, the time series matrix patterns being indicative of a distress condition, and a pre-determined correlation metric for each of at least a portion of the time series matrix patterns with reference to the distress condition. The medical monitoring device can also include a monitor to identify the time series matrix patterns in data in memory storage.

Abstract: The disclosure provides wearable cardiac arrest detection and alerting device that incorporates a non-invasive sensor based on optical and/or electrical signals transmitted into and received from human tissue containing blood vessels, and that transcutaneously quantifies the wearer's heart rate. The heart-rate quantification enables the detection of the absence of any heart beat by the wearable detection and alerting device indicative of the occurrence of a cardiac arrest, wherein the heart is no longer achieving effective blood circulation in the individual wearing the device. The display on the wearable cardiac arrest detection and alerting device may include the elapsed time since the time of detection of a heart rate that is below a predetermine lower limit value, i.e., the detected occurrence of a cardiac arrest event.

Abstract: Systems, methods, and computer-readable storage media utilized for determining access to a financial account held by a customer of a financial institution. One method includes establishing a communication session with a sensor device, wherein the financial institution computing system continuously receives sensor data over the communication session and receiving, from a point-of-sale (POS) terminal, a payment request. The method further includes retrieving, from the user device via an application programming interface (API), device data including at least application data and receiving, from the sensor device, the sensor data including at least one of geolocation data or biometric data of the sensor device. The method further includes determining the customer experienced an adverse event based on the sensor data and the device data and determining automatically an access level.

Abstract: Various embodiments of systems, devices, components, and methods for providing external therapeutic vibration stimulation to a patient are disclosed and described. Therapeutic vibration stimulation is provided to at least one location on or adjacent to a patient's skin (such as through clothing or a layer disposed next to the patient's skin), and is configured to trigger or induce resonance or high amplitude oscillations in a cardiovascular system of the patient. Inducing such resonance can aid in training autonomic reflexes and improve their functioning.

Abstract: A wearable defibrillator includes one or more environmental sensors including an accelerometer, one or more ECG sensors configured to acquire ECG data, and an alarm manager and at least one processor operatively coupled to the one or more ECG sensors and the accelerometer. The at least one processor is configured to detect a cardiac abnormality in the patient, identify a notification having one or more characteristics, and detect an environmental condition of the wearable defibrillator. The accelerometer is configured to detect a presence or lack of patient motion, and/or detect a body position of the patient as the detected environmental condition. The at least one processor is configured to determine whether one or more factors exist that inhibit the patient's ability to recognize the notification, on determining their existence, adapt the one or more characteristics of the notification and provide an adapted notification, and issue the adapted notification.

Abstract: The present invention provides for a data acquisition system for EEG and other physiological conditions, preferably wireless, and method of using such system. The wireless EEG system can be used in a number of applications including both studies and clinical work. These include both clinical and research sleep studies, alertness studies, emergency brain monitoring, and any other tests or studies where a subject's or patient's EEG reading is required or helpful. This system includes a number of features, which enhance this system over other systems presently in the marketplace. These features include but are not limited to the having multiple channels for looking at a number of physiological features of the subject or patient, a built in accelerometer for looking at a subject's or patient's body motion, a removable memory for data buffering and storage, capability of operating below 2.

Abstract: In some embodiments, a wound dressing includes at least one motion sensor for sensing a motion related parameter associated with motion of the wound dressing; and at least one further sensor for sensing a healing related parameter associated with wound healing at a region of tissue of a wound or proximate a wound covered by the wound dressing.

Abstract: A sensor that detects a heart rate and/or a blood oxygen content includes a radiation source and a photodetector, wherein the radiation source includes a light-emitting diode array, the light-emitting diode array includes a plurality of emission regions, the emission regions each include a first light-emitting diode and a second light-emitting diode, the first light-emitting diode includes a first wavelength, the second light-emitting diode includes a second wavelength, and a distance between the first light-emitting diode and the second light-emitting diode within the emission regions is 100 micrometers or less.