Abstract: A nasal cannula cover which includes a body having a cavity adapted to receive at least the prongs of a nasal cannula to protect the same from contaminants when the nasal cannula is not in use. Vents are present in the body to facilitate moisture removal from the cavity and discourage bacterial growth. The cover contains a nasal cannula connector with a fastener that temporarily connects the nasal cannula to the cover. The cover further includes an attachment fixture that facilitates connection of the cover to a surface, such as, but not limited to a strap of a bag that a portable oxygen concentrator is carried in, a cart that carries an oxygen tank or concentrator or even a surface in the home, for example a chain, doorknob or home oxygen source, so that the nasal cannula does not come in contact with any unsanitary surface.

Abstract: An oximeter device has a replaceable probe tip. The probe tip can be removed or detached from the probe unit and discarded. A replacement probe tip can be attached to the probe tip. The replaceable probe tip allows the probe unit to be reused many times, each time with new sterile probe tip.

Abstract: A photoplethysmography (PPG) circuit obtains PPG signals at one or more wavelengths. The PPG signal is processed to identify motion artifacts. The motion artifacts are correlated with predetermined PPG signal patterns associated with movement of a body part or a control command for a user device. The PPG signals may thus be used to detect movement of the body part or determine a control command. A user device may be controlled in response to the determined control command.

Abstract: A measuring apparatus includes a first laser light source for emitting laser light of a first wavelength, a second laser light source for emitting laser light of a second wavelength different from the first wavelength, an optical detector for receiving scattered laser light from a measured part, and a controller configured to calculate a first value based on an output of the optical detector that is based on received scattered laser light of the first wavelength, calculate a second value based on an output of the optical detector that is based on received scattered laser light of the second wavelength, and measure oxygen saturation based on a ratio of the first value to the second value.

Abstract: The present invention is directed to system and method for effectively monitoring critical respiratory parameters including SpO2, PR, COHb, inspired CO2, expired CO2, respiration rate, respiration pattern, hyperventilation (hypocapnia), hypoventilation (hypercapnia), CO2 contamination, and CO2 rebreathing. The system according to the present invention comprises a pulse oximetry sensor and a CO2 sensor connected to a central portable unit. The central unit comprising a barometer, an accelerometer, a capnography circuit, and a control unit. The control unit including the method for effectively monitoring critical respiratory parameters.

Abstract: A patient monitor can noninvasively measure a physiological parameter using sensor data from different measurement sites on a patient. The patient monitor can combine all sensor data from different measurement sites into a raw or minimally processed data form to generate a single, robust measurement of the physiological parameter. An optical sensor of a patient monitor can include multiple photodetectors each configured to generate a signal when detecting light attenuated by the patient's tissue. A measurement of a physiological parameter can be determined based on at least in part on the multiple signals from the multiple photodetectors.

Abstract: A bone oximeter probe includes an elongated member and a sensor head at an end of the elongated member to make measurements for a bone. The measurements can indicate the viability or nonviability of the bone. In an implementation, the probe is advanced through an incision in soft tissue, towards the underlying bone, and positioned so that the sensor head faces the bone to be measured. Optical signals are sent from the sensor head and into the bone. The bone reflects some of the optical signals which are then detected so that measurements for the bone can be made. Some of these measurements include an oxygen saturation level value, and a total hemoglobin concentration value of the bone.

Abstract: A physiological signal monitoring device includes a base, a biosensor mounted to the base and adapted to measure an analytical substance, and a transmitter. The base includes a flexible base body and a first coupling structure. The first coupling structure is disposed on the bottom plate. The transmitter is removably mounted to the base body, and includes a bottom casing and a second coupling structure. The first and second coupling structures are coupled to each other when the transmitter is mounted to the base body, and are uncoupled from each other by the flexibility of the base body when an external force is applied on a periphery of the base body. The first and second coupling structures are disposed to be distal from a periphery cooperatively defined by the base and the transmitter when the first and second coupling structures are coupled to each other.

Abstract: A combined physiological sensor and methods for detecting one or more physiological characteristics of a subject are provided. The combined sensor (e.g., a forehead sensor) may be used to detect and/or calculate at least one of a pulse blood oxygen saturation level, a regional blood oxygen saturation level, a respiration rate, blood pressure, an electrical physiological signal (EPS), a pulse transit time (PTT), body temperature associated with the subject, a depth of consciousness (DOC) measurement, any other suitable physiological parameter, and any suitable combination thereof. The combined sensor may include a variety of individual sensors, such as electrodes, optical detectors, optical emitters, temperature sensors, and/or other suitable sensors. The sensors may be advantageously positioned in accordance with a number of different geometries.

Abstract: An optical detection device for physiological characteristic identification includes a substrate, a light source and an optical receiver. The light source includes a plurality of first lighting units and a plurality of second lighting units symmetrically arranged on the substrate. The optical receiver is disposed on the substrate and adapted to analyze optical signals emitted by the light source for acquiring a result of the physiological characteristic identification.

Abstract: A bleeding control device is provided. The device includes an elongate member with a holding portion and an application portion. A known amount of hemostatic solute within a solution is administered to the application portion and allowed to dry. The elongate member is then sterilized. The resulting bleeding control device may be used during medical procedures such as root canal procedures and others.

Abstract: Pulse waves of a living body are detected with high accuracy. A pulse wave detection device includes a camera configured to capture an image of the living body a plurality of times through a first green filter and an infrared light filter having light transmission characteristics in a near-infrared light wavelength range within a wavelength range where a light absorption coefficient of oxidized hemoglobin is greater than a light absorption coefficient of reduced hemoglobin, and an image analysis unit configured to analyze a plurality of images of the living body captured by the camera and to detect the pulse waves of the living body. The image analysis unit is configured to detect the pulse waves by detecting a change in intensity of light in the near-infrared light wavelength range indicated by the plurality of images.

Abstract: A biological feature detection apparatus and an electronic device are provided. The apparatus includes a light emitting unit and a light receiving unit. The light emitting unit is configured to emit light to a detection surface of a biological tissue, the light emitted by the light emitting unit is processed by the biological tissue and then transmitted to the light receiving unit, and the light receiving unit is configured to receive the light and perform a photoelectric conversion to generate an original electrical signal for biological feature detection; the light emitting unit and the light receiving unit are attached to the detection surface of the biological tissue. As such, the signal-to-noise ratio of the original electrical signal is improved and accuracy of biological feature detection is enhanced.

Abstract: Methods and apparatus are described for facilitating the extraction of cleaner biometric signals from biometric monitors. A motion reference signal is generated independently from a biometric signal and then the motion reference signal is used to remove motion artifacts from the biometric signal.

Abstract: A wearable audio device includes a housing configured to be positioned at an ear of a subject, a speaker and a chipset within the housing. The chipset includes a plurality of sensor elements, at least one signal processor, at least one digital bus, power regulating circuitry, and at least one wireless transmitter. The sensor elements include at least one optical emitter, at least one optical detector, and at least one noise source. The chipset is positioned within the housing such that the at least one optical emitter and at least one optical detector are in optical communication with the ear via a window in the housing. The at least one signal processor includes sensor signal conditioning algorithms configured to process signals from the sensor elements to generate physiological assessment information about the subject. The at least one wireless transmitter is configured to communicate the physiological assessment information to a remote device.

Abstract: An ear tip for an earpiece including a body having first and second ends, an inner wall extending between the first and second ends to define a hollow passage to conduct sound waves, and an outer wall connected to the inner wall of the body at the first end and tapering away from the inner wall toward the second end. The ear tip further includes first and second electrically conductive elements arranged on an outer surface of the deformable outer wall.

Abstract: Embodiments disclosed herein are directed to systems and methods of dispensing one or more medicaments to a subject. The systems and methods utilize at least one flexible compression garment having one or more medicament dispensers therein.

Abstract: Optical spectroscopic devices, apparatus, systems and methods useable for physiological monitoring from intraosseous, subosseous, epidural, subdural, intraventricular, intramuscular, sub-adipose and other subcutaneous locations.

Abstract: Pressure sensors and associated structures that may have reduced light sensitivity. An example may provide structures reducing light at a component on a membrane of a pressure sensor.

Abstract: A stapedius reflex threshold determination system is communicatively coupled with a loudspeaker and a cochlear implant implanted within a patient. The system identifies a baseline evoked response level associated with a baseline acoustic stimulation level too low to trigger a stapedius reflex within the patient. The system directs an electro-acoustic stimulation event to be applied to the patient, including electrical stimulation applied by the cochlear implant at a particular electrical stimulation level and acoustic stimulation applied by the loudspeaker at the baseline acoustic stimulation level. The system determines an evoked response level associated with the applied acoustic stimulation and detects that the stapedius reflex is triggered by determining that the evoked response level is at least a predetermined threshold amount lower than the baseline evoked response level.

Abstract: A laser system for selective treatment of acne comprising: at least two laser sources (10) having wavelength ranging from 1690 to 1750 nm which supply a first and a second laser beam respectively; a first multi-mode optical fibre (18) having a length equal to or greater than 5 m receiving said first laser beam; a second multi-mode optical fibre (18) having a length equal to or greater than 5 m receiving said second laser beam; an optical combiner (20) receiving said first and second optical fibre (18) and supplying a third laser beam to a third optical fibre (21); said third optical fibre (21) having a length equal to or greater than 5 m; said third optical fibre (21) receives said third laser beam and supplies, at its output, a fourth laser beam; a fourth optical fibre (24) which receives said fourth laser beam; a handpiece (27) associated with said fourth optical fibre (24); said fourth laser beam having a distribution intensity variance lower than or equal to 15% with respect to the mean rated value, a dia

Abstract: A method of reducing the likelihood of shivering comprises monitoring at least one physiological characteristic in a human or animal subject to detect preshivering and acting to reduce the likelihood of shivering when preshivering is detected.

Abstract: Systems and methods for applying and/or receiving electrical, magnetic, magnetoelectric, vibratory, or electromagnetic signals to biological tissues are described. In some embodiments, one or more of a body, a conductor, an electrode, and a magnetic element may be provided. The conductor may be configured to be electrically coupled to at least one of a power source and a detector. The electrode may include a surface configured to contact a biological tissue portion and apply and/or receive an electrical signal to and/or from the biological tissue portion. The magnetic may selected from a group consisting of a magnet, a toroid, a conductive coil, a magnetic powder, and a magnetic fluid.

Abstract: An apparatus for measuring hard and/or soft tissue abnormalities incidental to dental and/or systemic disease is provided. The apparatus includes a diagnostic device configured for transmitting and receiving non-ionizing electromagnetic waves to measure the patient's hard and/or soft tissue abnormalities associated with the underlying hard and/or soft tissue. The diagnostic device may include at least one of a stent and a diagnostic probe, connected to a computer. The diagnostic device is configured to transmit and receive the electromagnetic waves, and the computer is configured for measure the bone density and/or bone vascular perfusion adjacent and across the patient's hard and/or soft tissue. A method for measuring hard and/or soft tissue abnormalities incidental to dental and/or systemic disease is also provided.

Abstract: A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use. Further, embodiments of the sensor cover can prevent damage to the sensor. Additionally, embodiments of the sensor cover prevent contamination of the sensor.

Abstract: An imaging device whose dynamic range is broadened is provided. The imaging device includes a pixel including a first photoelectric conversion element and a first circuit including a second photoelectric conversion element. The first circuit switches the operation mode of the pixel to a normal imaging mode or a wide dynamic range mode and switches the operation region of the first photoelectric conversion element to a normal region or an avalanche region in accordance with the illuminance of light with which the second photoelectric conversion element is irradiated. When the illuminance of light with which the first photoelectric conversion element is irradiated is increased, the increase rate of a writing current flowing to the pixel is higher in the avalanche region than in the normal region. However, in the wide dynamic range mode, the increase rate of current can be lowered, and thus the dynamic range can be broadened.

Abstract: The present disclosure relates to a method for monitoring oxygen level of an environment. The method comprises receiving at least one image of the environment comprising plurality of users from a capturing device. Then, at least one region of interest of each of the plurality of users is detected in the at least one image. A video plethysmographic waveform is generated by analyzing the at least one region of interest. Further, Peripheral Capillary Oxygen Saturation (SPO2) based on the video plethysmographic waveform is determined. Thereafter, oxygen level of the environment is determined by averaging the SPO2 level of each of the plurality of users. The determined oxygen level of the environment is compared with predefined oxygen level of the environment and an appropriate action is performed based on the comparison.

Abstract: A sensor cartridge according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor. Certain embodiments of the sensor cartridge protect the sensor from damage, such as damage due to repeated use, reduce the need for sensor sanitization, or both. Further, embodiments of the sensor cartridge are positionable on the user before insertion in the sensor and allow for improved alignment of the treatment site with the sensor. In addition, the sensor cartridge of certain embodiments of the disclosure can be configured to allow a single sensor to comfortably accommodate treatment sites of various sizes such as for both adult and pediatric applications.

Abstract: A detection method and a detection device for detection of at least one region of interest (ROI) using the same are provided. A plurality of successive frames is captured by an image sensor. A first frame among the plurality of successive frames is divided into a plurality of sub regions. A first vital-sign feature of a first sub region among the plurality of sub regions is obtained. A first feature signal is generated according to the first vital-sign feature. Whether the first feature signal is a first valid image signal is determined. When it is determined that the first feature signal is a first valid image signal, the first sub region is identified as a first ROI. In the frames occurring after the first frame, the first ROI is tracked.

Abstract: A concentration presence/absence determining device includes: a brain blood flow volume obtaining unit configured to obtain a brain blood flow volume of the user; a varying threshold obtaining unit configured to obtain a varying threshold that is a value smaller than the brain blood flow volume of the user at a base time; and an determining unit configured to determine that the user concentrates, when the brain blood flow volume obtained by the brain blood flow volume obtaining unit falls below the varying threshold obtained by the varying threshold obtaining unit.

Abstract: Provided according to embodiments of the invention are methods for monitoring the application of positive end expiratory pressure (PEEP) to an individual. Such methods include isolating a pulsatile arterial component (PAC) signal and a venous impedance component (VIC) signal of a PPG signal obtained from a central source site of the individual; monitoring the PAC signal, the VIC signal, or both, over time; and adjusting the level of PEEP based on the PAC signal, the VIC signal, or both.

Abstract: An earbud cover is configured to be removably attached to, and at least partially cover, an audio earbud. The removable earbud cover includes at least one light guide configured to guide light from at least one optical emitter associated with the audio earbud to a region of a body of a subject wearing the audio earbud and/or guide light from the body of the subject to at least one optical detector associated with the audio earbud. The removable earbud cover may include at least one alignment member that facilitates stability of the audio earbud when inserted within an ear of the subject. The removable earbud cover may include at least one lens region, at least one light diffusion region, and/or at least one luminescence region in optical communication with the at least one light guide.

Abstract: A monitoring device configured to be attached to the ear of a person includes a base, an earbud housing extending outwardly from the base that is configured to be positioned within an ear of a subject, and a cover surrounding the earbud housing. The base includes a speaker, an optical emitter, and an optical detector. The cover includes light transmissive material that is in optical communication with the optical emitter and the optical detector and serves as a light guide to deliver light from the optical emitter into the ear canal of the subject wearing the device at one or more predetermined locations and to collect light external to the earbud housing and deliver the collected light to the optical detector.

Abstract: A peripheral physiology inspection apparatus of smart phone is connected with a smart phone having a TRRS socket for performing a physiology inspection. The peripheral physiology inspection apparatus includes: an inspection main body including a first physiology sensing unit; a plurality of signal transmission units; and a TRRS terminal for connecting with the inspection main body via the signal transmission units. The TRRS terminal is corresponding to the TRRS socket for allowing the inspection main body to be electrically connected to the smart phone, thereby enabling the smart phone to analyze and process physiology signals inspected by and delivered from the inspection main body.

Abstract: A force modulating apparatus for minimizing and/or blocking forces such as the Coriolis force, gravitational, and centrifugal force, simulating the environment of the cosmos. A stabilizing method for material with respect to light and the structure of atoms.

Abstract: A biometric monitoring device measuring various biometric information is provided that allows the person to take and/or display a heart rate reading by a simple user interaction with the device, e.g., by simply touching a heart rate sensor surface area or moving the device in a defined motion pattern. Some embodiments of this disclosure provide biometric monitoring devices that allow a person to get a quick heart rate reading without removing the device or interrupting their other activities. Some embodiments provide heart rate monitoring with other desirable features such as feedback on data acquisition status.

Abstract: An apparatus worn by a subject includes an energy-harvesting power source, at least one physiological sensor and/or at least one environmental sensor coupled to the energy-harvesting power source. The at least one physiological sensor senses physiological information from the subject and the at least one environmental sensor senses environmental information in a vicinity of the subject. The energy-harvesting power source may include one or more of the following: a solar cell module configured to collect and store solar energy, a piezoelectric device or a microelectromechanical systems (MEMS) device configured to collect and store energy caused by movement of the subject and/or energy emanating from an environment in which the subject is located, a thermoelectric or thermovoltaic device configured to collect and store energy caused by thermal energy or temperature gradients in an environment in which the subject is located, a cranking or winding mechanism configured to store mechanical energy.

Abstract: A head mounted system includes a physiological signal sensor, a signal processing circuit, a memory, an application processor, and an eyeglass frame. The physiological signal sensor monitors a physiological state to output a physiological signal. The signal processing circuit determines whether the physiological state is abnormal according to the physiological signal. When it is not abnormal, the signal processing circuit controls the physiological signal sensor to monitor the physiological state at a first monitoring frequency. When it is abnormal, the signal processing circuit outputs a warning signal, and controls the physiological signal sensor to monitor the physiological state at a second monitoring frequency greater than the first monitoring frequency. The application processor receives the warning signal and stores physiological data corresponding to the physiological signal in the memory.

Abstract: A health event monitoring system includes a measurement device that measures a health aspect of a monitored person to provide a measured health aspect, a notification device that provides a notification to a user of the system, and an analyzer that compares the measured health aspect with a predetermined health aspect threshold and which activates the notification device when the measured health aspect passes the predetermined health aspect threshold.

Abstract: A sensor may be adapted to reduce motion artifacts by damping the effects of outside forces and sensor motion. A sensor is provided with a motion damping structure adapted to reduce the effect of motion of a sensor emitter and/or detector. Further, a method of damping outside forces and sensor motion is also provided.

Abstract: Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens. The pulse oximetry sensor comprises one or more light emitting diodes that illuminate a blood vessel of at least one of a region of an eye or an eyelid and a detector that receives light reflected from the blood vessel and generates the information.

Abstract: A concentration measurement apparatus includes a probe, having a light incidence section making measurement light incident on the head and a light detection section detecting the measurement light that has propagated through the interior of the head, and a CPU determining temporal relative change amounts of oxygenated hemoglobin concentration and deoxygenated hemoglobin concentration and determining a correlation coefficient of the relative change amounts and a polarity of a slope of a regression line.

Abstract: Disclosed is a fingerstall oximeter comprising an upper housing (11), a middle housing (12), a lower housing (13) and a detection unit. The upper housing (11), the middle housing (12) and the lower housing (13) are connected in turn. The lower housing (13) is made of silica gel, and a finger accommodating chamber (14) for accommodating a finger to be measured is formed between the opposed surfaces of the lower housing (13) and the middle housing (12). The fingerstall oximeter has high measurement accuracy and small volume, and is easy to disassemble and carry.

Abstract: A method for recognizing awareness in a subject includes performing optical imaging on at least one cortical region of the brain of the subject. Optical imaging data are obtained over time measuring one or more hemodynamic parameters in the at least one cortical region of the subject's brain. An observed variation pattern is determined in the measured hemodynamic parameters, and the observed variation pattern is compared to one or more known variation patterns characteristic of awareness. Substantial similarity between the observed and known variation patterns signals awareness in the subject.

Abstract: Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens. The pulse oximetry sensor comprises one or more light emitting diodes that illuminate a blood vessel of at least one of a region of an eye or an eyelid and a detector that receives light reflected from the blood vessel and generates the information.

Abstract: A peak flow meter, breathalyzer, and pulse oximeter for use with a mobile device, such as a smartphone, are disclosed. In one embodiment, the peak flow meter receives air flow from the patient, converts it into an electrical signal using a pressure transducer, and transmits the signal to a mobile device over an interface. In another embodiment, the microphone of the mobile device is used to directly receive the airflow, and the mobile device converts the airflow into an electrical signal indicating the peak flow. In another embodiment, a breathalyzer receives air flow from a patient, converts it into an electrical signal using a sensor, and transmits the signal to a mobile device over an interface. In another embodiment, a pulse oximeter measures oxygen saturation in a patient's blood and transmits an electrical signal for that measurement to a mobile device over an interface.

Abstract: A patient monitoring system may provide photoacoustic sensing based on an indicator dilution to determine one or more physiological parameters of a subject. The system may detect an acoustic pressure signal, which may include one or more thermo-dilution responses, one or more hemo-dilution responses, or a combination thereof, using one or more sensor units. The system may use multiple light sources and/or detectors to diagnose and/or improve signal to noise ratio, distinguish between arterial and venous signals, prevent under-sampling, and separate the effects of hemo-dilution and thermo-dilution.

Abstract: There is provided a physiological detection device including a finger detection unit, a storage unit and a processing unit. The finger detection unit is configured to detect a current track drawn by a current user and current physiological information of the current user. The storage unit is configured to previously store track features of predetermined tracks drawn, for a predetermined time interval or a predetermined times on the finger detection unit, by a plurality of users and each of the track features is associated with one of the users. The processing unit is configured to analyze the current track and identify the current user according to the track features in the storage unit. There is further provided a physiological detection method and a user identification method.

Abstract: A physiological parameter system has one or more parameter inputs responsive to one or more physiological sensors. The physiological parameter system may also have quality indicators relating to confidence in the parameter inputs. A processor is adapted to combine the parameter inputs, quality indicators and predetermined limits for the parameters inputs and quality indicators so as to generate alarm outputs or control outputs or both.

Abstract: Headbands configured to provide pressure against a medical sensor secured to a patient's forehead are provided. The headbands may include one or more low friction materials to enable an elastic band of a tensioning mechanism to evenly stretch. Additionally or alternatively, the headbands may include two or more bands adapted to secure the headband to various portions of a patient's head. Still further, the headbands may be configured to independently vary the pressure created between two or more sensors and the patient's head.