Abstract: Methods and systems for refilling a container during an endoscopic procedure. An illustrative container may comprise a container configured to contain a fluid within a first receptacle thereof, the container movable between a collapsed storage configuration and an expanded use configuration, a lens water supply tube including a first lumen extending therethrough, the first lumen is in fluid communication with the first receptacle of the container, a gas supply tube including a second lumen extending therethrough, the second lumen is in operative fluid communication with the first receptacle, and a port positioned adjacent to the top portion of the container. The port may be configured to be in selective fluid communication with the first receptacle of the container.

Abstract: Methods and systems for taking images of a patient's teeth for tracking a progress of an orthodontic procedure. The methods and systems include a mobile device holder with one or more adjustable stops for providing a compressive force on a mobile device placed therein; a cheek retractor coupled to the mobile device holder; and a user interface on the mobile device indicating whether the mobile device holder is in a correct position relative to the patient's teeth as the mobile device holder is moved while the cheek retractor engages a cheek of the patient to expose the patient's teeth, while taking one or more visual images of the exposed teeth using a camera of the mobile device.

Abstract: A dual-visible and dual-positioning endotracheal intubation set with a visual laryngoscope (1) and a visual guide core (2). When performing endotracheal intubation, an endotracheal tube is sleeved on a visual guide core (2), quick guidance can be achieved at the glottis position by means of a visual laryngoscope (1), and then a camera device (26) of the visual guide core (2) is used for precise secondary glottis positioning, and the visual guide core (2) can be used alone for endotracheal intubation for patients with difficulty in opening the mouth. The use of dual-visible and dual-positioning technology can overcome the shortcomings of the existing endotracheal intubation technology and achieve full visualization during the endotracheal intubation process, easy operation, fast intubation speed, and high success rate of one-time intubation.

Abstract: A system includes a laparoscope including a first port, a second port, and an optical system. The optical system includes a first port coupling, a shortwave infrared (SWIR) sensor coupling configured to couple to a SWIR sensor, and a visible-light sensor coupling configured to couple to a visible-light sensor. The optical system is configured to optically couple to at least the second port of the laparoscope via the first port coupling. The optical system is configured to receive a detection SWIR beam from the second port and direct at least a portion of the detection SWIR beam to the SWIR sensor coupling. The optical system is further configured to receive a detection visible-light beam from the second port and direct at least a portion of the detection visible-light beam to the visible-light sensor coupling.

Abstract: A speculum includes a speculum sheath formed with one or more fluid flow lumens in fluid communication with a pump and controller unit for introducing pressurized fluid into a vagina, a pressure sensor lumen in fluid communication with the pump and controller unit for measuring fluid pressure in the vagina, and a third lumen in which is disposed a viewing device, and a vaginal interface element that comprises flexible folds and is configured for pressing and sealing against a vagina.

Abstract: Methods and systems for imaging a subject's eyes are provided. In one embodiment, an optical imaging apparatus is provided that includes a plurality of eye imaging systems. Each eye imaging system may include a camera sensor with a viewing direction oriented towards a subject whose eyes are imaged. The eye imaging systems may also include at least one coaxial light source, which may be configured to provide light coaxially aligned with the viewing direction of the camera sensor. The eye imaging systems may further include supplementary light sources configured to light an eye from different angles.

Abstract: A multi-modal system that can perform optical coherence tomography (OCT), scanning laser ophthalmoscopy (fluorescence and reflectance), adaptive optics enhancement, and OCT-angiography simultaneously is presented. Such a system minimizes registration errors in multi-modality images, and accelerates biomedical research. Such a system could also permit enhanced high-speed diagnosis. This system would also permit a wide-selection of excitation wavelengths to measure fluorescence intensity from a variety of fluorophores and auto-fluorescing tissues. A novel animal positioning system that can easily align with the imaging beams for optimal image quality and high-speed experiment-setup and imaging of animals is also presented.

Abstract: An ophthalmologic imaging method is implemented by an control unit of an ophthalmologic imaging device for acquiring entire image data of the tissue by repeatedly performing the steps of: setting a scanning position; acquiring the partial image data by applying, to an optical scanning unit, a driving signal that causes the optical scanning unit to scan light on a tissue of a subject eye at the scanning position that was set this time; and continuously operating the optical scanning unit after capturing the partial image data based on the scanning position that was set this time was completed by applying, to the optical scanning unit, a continuous driving signal.

Abstract: An OCT apparatus including: an OCT optical system irradiating an imaging site of an examinee's eye with measurement light, the OCT optical system detecting a spectral coherence signal of the measurement light with reference light; an observing optical system irradiating the imaging site with observation light, the observing optical system acquiring a front image of the imaging site; a changing means changing the imaging site in the OCT optical system and the observing optical system between a fundus of the examinee's eye and an anterior segment; a driving part moving an imaging unit including the OCT optical system and the observing optical system with respect to the examinee's eye; and a controller. The controller displays a front image of the anterior segment sequentially acquired through the observing optical system in a first region on a screen, and receives an operation input that controls the driving part through the first region.

Abstract: An OCT device includes an OCT optical system, a controller which acquires OCT data based on a signal from the OCT optical system and controls the OCT optical system to execute an OCT data acquisition operation, a light guide optical system, and an adjuster adjusting a three-dimensional position of the light guide optical system with respect to a subject eye. The light guide optical system includes an optical scanner scanning the subject eye with the measurement light, and an objective optical system which is disposed between the optical scanner and the subject eye and forms a pivot point around which the measurement light passing through the optical scanner is pivoted. The controller guides the three-dimensional position such that the pivot point is arranged at a target position set between the subject eye and the objective optical system, and further executes the OCT data acquisition operation at the target position.

Abstract: A portable ophthalmic imaging device suitable for imaging an eye having a first optical axis is provided. The imaging device comprises an imaging module comprising a plurality of optical elements including a light sensor which define a second optical axis; an eye rest; and a plurality of motors. The plurality of motors are arranged to move the imaging module and/or the eye rest to align the first and second optical axes at least partially automatically using a feedback control system.

Abstract: An ophthalmic observation apparatus of an embodiment includes an illumination system, a photography system, and a focus processor. The illumination system includes a light source configured to emit illumination light and an indicator member having a plurality of indicators, and is configured to project the illumination light onto a subject's eye via the indicator member. The photography system includes an image sensor and is configured to perform photography of the subject's eye. The focus processor is configured to perform detection of a plurality of indicator images from an image acquired by the photography system, and perform a focus control of the photography system based on the plurality of indicator images.

Abstract: A medical imaging binocular indirect ophthalmoscope with computational processing unit, enabling simultaneous or time-delayed viewing and collaborative review of photographs or videos from an eye examination. The invention also claims a method for photographing and integrating information associated with the images, videos, or other data generated from the eye examination.

Abstract: A ventilator comprises an identification device that is configured and designed to identify at least one magnetic field M.

Abstract: A diaplasis detection apparatus, a diaplasis detection system, a diaplasis data processing method and a diaplasis data processing apparatus are provided. The diaplasis detection apparatus includes: a glove body, where a plurality of positions on the glove body is provided with pressure sensors respectively, and the plurality of positions include positions on the glove body corresponding to a position on a palm used to fix a force applied part and a position on the palm used to perform traction and diaplasis on the force applied part to when the diaplasis is performed by using the glove body; a data collection circuit connected to each pressure sensor and configured to collect a pressure signal, and a transmission circuit configured to acquire the pressure signal and transmit the pressure signal to a processing apparatus.

Abstract: The invention relates to a hand-held device for excitation and irradiation of pathogenic microorganisms in the mouth and throat, e.g. a toothbrush comprising at least one excitation light source in the short-wave visible spectral range for auto-fluorescence excitation of the pathogenic microorganisms, at least one primary irradiation light source in the red spectral range for primary irradiation of the pathogenic microorganisms and for transillumination, and optionally at least one secondary irradiation light source in the visible spectral range for secondary irradiation of the pathogenic microorganisms, wherein the irradiation light sources have spectral components that can be absorbed by endogenous porphyrins, which are produced by the pathogenic microorganisms, whereby a fluorescence excitation and an inactivation of the pathogenic microorganisms occurs on the basis of subsequent processes.

Abstract: There is described a pressure guidewire. It comprises a sensor housing and a sensor assembly embedded in the sensor housing and comprising a pressure sensor. There is a band to support the pressure sensor assembly, the band being embedded inside the sensor housing and fixed to the pressure sensor assembly for holding the pressure sensor inside the sensor housing.

Abstract: A method and an apparatus for detecting distance of a probe contacting a tooth surface to pulp of a tooth by determining an indication of thickness of dentine of the tooth is provided. The method comprises illuminating the dental tissue of the tooth with a probe, then receiving the data representing scattered light from the dental tissue. A spectra of the scattered light is then obtained and analyzed to further obtain a spectral analysis re-suit. An indication of the thickness of the dentine of the tooth is then determined based on the spectral analysis result. The method may help to prevent the unintended exposure of pulp during dental treatments such as drilling.

Abstract: According to an aspect, there is provided a method for determining information about an arterial property of an artery of a subject.

Abstract: A hemodynamic monitor for detecting nociception of a patient includes a non-invasive blood pressure sensor with an inflatable blood pressure bladder, a pressure controller pneumatically connected to the inflatable blood pressure bladder, and an optical transmitter and an optical receiver that are electrically connected to the pressure controller. The hemodynamic monitor also includes an integrated hardware unit with a system processor, a system memory, and a display with a user interface.

Abstract: Medical apparatus (20) includes an auscultation pickup unit (26) configured to sense acoustic waves emitted from a body of a subject (24) and to output signals in response thereto. Processing circuitry (40, 42, 44, 50) is configured to collect the signals output while the auscultation pickup unit contacts multiple locations on the body of the subject, including a respective signal acquired at each contacted location, to extract from each of the signals features of breath sounds of the subject, to compute multiple local scores including a respective local score for each contacted location based on the features extracted from the respective signal, and to classify a respiratory condition of the subject by combining the multiple local scores.

Abstract: Apparatus is described, including a motion sensor configured to sense motion of a patient and to generate a motion signal in response thereto. The apparatus includes an output unit and a control unit. The control unit is configured to analyze the motion signal, to identify breathing of the patient as being shallow breathing in response to the analyzing, and to drive the output unit to generate an alert in response to identifying the breathing of the patient as being shallow breathing. Other applications are also described.

Abstract: A biometric data measurement system is provided that includes an annular biometric sensor and a portable control unit that communicate with each other. The portable control unit determines whether or not the portable control unit is gripped by a hand on which the annular biometric sensor is mounted, determines whether or not a measurement posture of a user is sufficient from a position of a face of the user in an image recognized from the image, and an inclination of the portable control unit from a vertical direction, controls the biometric data measurement system based on a gripping determination result and a posture determination result, and acquires biometric data including blood pressure.

Abstract: Devices and methods for multi-parameter hemodynamic monitoring are provided. Determining a cardiac output of a patient using a cuff device includes measuring a cuff pressure waveform of a subject during inflation and/or deflation of the cuff device, computing systolic and diastolic blood pressure from the cuff pressure waveform using the cuff device, constructing a blood pressure waveform from the systolic and diastolic blood pressure and cuff pressure waveform using the cuff device, computing brachial artery compliance from the cuff pressure waveform, and computing the cardiac output from the blood pressure waveform and/or brachial artery compliance using the cuff device.

Abstract: An apparatus for measuring a jugular vein pressure waveform includes a rotation sensor configured to produce a measurement signal when being against a skin of an individual and in a movement sensing relation with a jugular vein of the individual. The apparatus includes a processing system configured to receive the measurement signal and produce a waveform of a motion of the skin in a direction perpendicular to the skin based on the measurement signal indicative of rotation of the rotation sensor, where the waveform of the motion of the skin is indicative of the jugular vein pressure waveform. The rotation sensor that measures rotation is more insensitive to movements not related to variation of the jugular vein pressure than for example an acceleration sensor.

Abstract: Intravascular devices, systems, and methods are disclosed. In some embodiments, the intravascular devices include at least one mounting structure within a distal portion of the device. In that regard, one or more electronic, optical, and/or electro-optical component is coupled to the mounting structure. In some instances, the mounting structure is formed of a plurality of material layers. In some embodiments, the material layers have substantially constant thicknesses. Methods of making and/or assembling such intravascular devices/systems are also provided.

Abstract: A biological information measuring apparatus (10) includes a compression belt (20) to be wound around a part of a living body, a pressure adjusting unit (51) configured to change an internal pressure of the compression belt, a data acquiring unit (52) configured to acquire time-series data indicating a change in each of the internal pressure of the compression belt and a capacity of the compression belt in a period in which the internal pressure of the compression belt is changing, and a tonus-information calculating unit (53) configured to calculate, based on the time-series data, tonus information indicating a correspondence relation between a first indicator indicating pressure applied to a blood vessel wall (100) of the living body and a second indicator indicating a capacity on an inner side of the blood vessel wall.

Abstract: Disclosed is a handheld laser-based perfusion imaging apparatus having a light source and an imaging device which are arranged in a fixed orientation to each other in the apparatus. The light source is configured for projecting a beam of coherent light onto a measurement field at a predetermined distance spaced apart from the apparatus. The imaging device is configured for recording speckle intensity maps of the measurement field and/or images of Doppler shifted light of the measurement field. The light source is configured to provide a substantially spherical wavefront or a substantial planar wavefront, at least at the measurement field. Preferably, the apparatus with the light source that provides a substantial planar wavefront, including a gimbal mount. Also disclosed is a method for measuring a perfusion in a tissue using the handheld laser-based perfusion imaging apparatus as described above.

Abstract: An electromagnetic receiving device configured to discriminately react predominantly to an external electric field directed along an axis of said device, comprising a high-permittivity dielectric rod as receiving element, wherein said dielectric rod is oriented along said axis and has a receiving end to be directed towards an object under study, and wherein the device is configured to be essentially resonant with a circularly cylindrical TM00 mode.

Abstract: The present inventive concept relates to a method and device for monitoring cardiopulmonary function using electrical impedance tomography, and more specifically, to a method and system for monitoring cardiopulmonary function using electrical impedance tomography, whereby lung collapse and hyperinflation are monitored in real-time during a mechanical ventilation treatment process by using a single monitoring device, and information on a plurality of hemodynamic diagnostic parameters changing in real-time during the mechanical ventilation treatment process can be provided. According to the present inventive concept, it is possible to take selectively electrical impedance tomography of blood vessels at any part of a body such as the chest, neck, arms, legs, etc., and to monitor hemodynamic diagnostic parameters including a stroke volume, a cardiac output, a peripheral vascular resistance, etc.

Abstract: A human body composition measurement method includes a body fat measurement device that obtains measurement information. The measurement information includes weight information and impedance information. The impedance information is obtained by measuring a first segment of the measurement object and the body fat measurement device further determines second segmental body composition information of the measurement object based on the weight information, the impedance information, and first segmental body composition information.

Abstract: An evaluation method is performed by an arithmetic circuit and includes obtainment processing (S1), evaluation processing (S2), and presentation processing (S3). The obtainment processing (S1) obtains: image information on a sectional image representing an interested section of an organism including a target section of a testis of the organism generated by use of magnetic resonance of hydrogen atoms; and concentration information on a creatine concentration in the interested section measured by use of magnetic resonance based on chemical exchange saturation transfer. The evaluation processing (S2) generates an evaluation image representing a distribution of evaluation results of a testicular function in the target section based on the concentration information. The presentation processing (S3) presents the sectional image and the evaluation image.

Abstract: A method comprises identifying a target location within a patient anatomy, receiving a position for a tip portion of an interventional instrument at a first location within the patient anatomy, and determining a three-dimensional distance between the first location and the target location. The method further comprises displaying on a display system an image that includes a symbol representing the target location and a symbol representing the tip portion of the instrument and displaying on the display system a rotational assist symbol indicating a rotational orientation of the tip portion. As the tip portion is actuated, the image is displayed so that the symbol representing the tip portion is a frame of reference for the image and the symbol representing the target location moves with respect to the symbol representing the tip portion to represent a new location of the tip portion relative to the target location.

Abstract: An automated therapy system having an infusion catheter; a sensor adapted to sense a patient parameter; and a controller communicating with the sensor and programmed to control flow output from the infusion catheter into a patient based on the patient parameter without removing fluid from the patient. The invention also includes a method of controlling infusion of a fluid to a patient. The method includes the following steps: monitoring a patient parameter with a sensor to generate a sensor signal; providing the sensor signal to a controller; and adjusting fluid flow to the patient based on the sensor signal without removing fluid from the patient.

Abstract: A breath analysis system comprises a breath analysis device having an analyte sensor, such as a metal oxide semiconductor sensor, that needs to be heated or otherwise prepared before a breath test can be performed. To reduce or avoid a user-perceived delay (typically multiple minutes) associated with the sensor preparation operation, the system predictively initiates a sensor preparation operation based on a determination or prediction of whether the user is in an adequate state for performing a breath test. This prediction may be based on one or more factors, such as the current time, whether the breath analysis device is within wireless communication (e.g., Bluetooth) range of the user's smartphone, data reflective of the user's location and/or activity, etc.

Abstract: A sleep apnea assessment method includes the following steps. A sleep apnea assessment system is provided. A target ECG signal data of the subject is obtained. A data pre-processing step is performed so as to obtain a target ECG time-frequency data, and the target ECG time-frequency data is processed so as to obtain a plurality of target time-frequency segment data. An assessing step of apnea event is performed so as to output an assessing result of sleep apnea event of each of the plurality of target time-frequency segment data, and the assessing result of sleep apnea event is for assessing whether the subject has the sleep apnea event in any one of the plurality of target time-frequency segment data or not and predicting a probability of an occurrence of sleep apnea event of the subject.

Abstract: A stroke detection system operative to detect strokes suffered by mobile communication device users, the system comprising: a hardware processor operative in conjunction with a mobile communication device having at least one built-in sensor; the hardware processor being configured to, typically repeatedly and typically without being activated by the device's user, compare data derived from the at least one sensor to at least one baseline value for at least one indicator of user well-being, stored in memory accessible to the processor, and/or make a stroke risk level evaluation; and/or perform at least one action if and only if the stroke risk level is over a threshold.

Abstract: A fingerprint reading device that can suppress a position shift of a finger, that includes: a placement portion on which a finger is placed; a reading face ; a pair of light sources provided on the placement portion and that irradiate the finger with lights; and a reading unit that captures and reads a fingerprint of the finger in contact with the reading face in accordance with lights scattered in the finger and emitted from a surface of the finger, the pair of light sources are provided on both ends of the reading face that are opposed to each other in a width direction of the placement portion and have light guiding parts formed in a front-back direction of the placement portion, respectively, and the light guiding parts are formed so as to extend up to above the ends of the reading face.

Abstract: An implantable catheter for medication delivery and analyte sensing is provided. In embodiments, a permanent catheter portion for use in an implanted delivery device, includes a permanent tube with an inner lumen, a sleeve attached to the permanent tube, the sleeve having outer coating that is at least one of: non-inflammatory or preventative of foreign body response. The permanent tube further includes an opening to receive a distal catheter portion that extends into the sleeve, such that the inner lumen of the permanent tube is fluidly connected to a distal inner lumen of the distal catheter portion.

Abstract: An analyte monitoring system with a sensor control device including an electronics housing. The housing can include a shell disposed opposite a mount, each including an aperture which is axially aligned with the other aperture. The inner surfaces are aligned, and a seal is disposed within the interior space. The housing also includes a circuit board disposed within the interior space of the housing, and an analyte sensor having a proximal portion and a distal portion, the proximal portion coupled with the circuit board, and the distal portion configured to measure a glucose level in a bodily fluid and extending from a bottom of the electronics housing.

Abstract: The present embodiments provide systems and methods for, among others, tracking sensor insertion locations in a continuous analyte monitoring system. Data gathered from sensor sessions can be used in different ways, such as providing a user with a suggested rotation of insertion locations, correlating data from a given sensor session with sensor accuracy and/or sensor session length, and providing a user with a suggested next insertion location based upon past sensor accuracy and/or sensor session length at that location.

Abstract: One or more analytes are detected at each of at least two different locations on the body by generating a transmit signal in a radio or microwave frequency, transmitting the signal into each of the at least two locations, and measuring a response at each of the at least two locations. One sensor can be used for all of the detections, moving the sensor from one location to another, or a different sensor can be used at each location. Differentials between the one or more analytes detected at each of the at least two locations can be used to determine conditions in the subject.

Abstract: One or more analytes are detected at each of at least two different locations on the body by generating a transmit signal in a radio or microwave frequency, transmitting the signal into each of the at least two locations, and measuring a response at each of the at least two locations. One sensor can be used for all of the detections, moving the sensor from one location to another, or a different sensor can be used at each location. Biological parameters including at least one of an oxygen level or a hydration level are determined based on the detection of the one or more analytes at the locations. Differentials between the biological parameters detected at each of the at least two locations can be used to determine conditions in the subject.

Abstract: A wearable blood analyte measurement device includes a casing defining an appendage-receiving bore and having an interior volume. A plurality of magnets is within interior volume. The magnets produce a magnetic field in the bore. A nuclear magnetic resonance (NMR) transceiver is supported by the casing and positioned to emit radiofrequency (RF) pulses to and receive NMR signals from the bore. An electronics assembly is within the interior volume and in communication with the NMR transceiver. A power source is in the interior volume and powers the NMR transceiver and the electronics assembly.

Abstract: This application provides a blood oxygen detection method with multiple photoelectric detectors connected in parallel. The method includes: An electronic device determines, based on a plurality of pieces of detection data, a category of a scenario in which the electronic device currently performs blood oxygen detection, where the detection data is used for describing whether detection currents output by corresponding photoelectric detectors are abnormal, or the detection data is used for describing a current wearing state of the electronic device; and determines, based on the scenario category, to perform calculation based on a detection current output by at least one of the multiple PDs to obtain oxygen saturation.

Abstract: An electronic device is provided. The electronic device includes at least one optical sensor, a memory, and at least one processor electrically connected to the at least one optical sensor and the memory. The at least one processor may radiate light onto a user's body part in a specified section. The at least one processor may control the at least one optical sensor to receive light reflected from the user's body part. The at least one processor may obtain a plurality of optical signals having different wavelengths from the received light in the specified section. The at least one processor may obtain similarity information by comparing similarities between at least two specified optical signals among the plurality of optical signals. The at least one processor may identify the specified section as an abnormal section.

Abstract: A sensor component for use in a system for measuring concentration of analytes in fluid in a fluid line comprises one or more sensing elements having an optical property that varies with the concentration of the analytes and engages with the fluid line such that the sensing elements are exposed to the fluid. The sensor component comprises a connector connecting to one or more optical waveguides and transmits light between the waveguides and the sensing elements. The sensor component comprises one or more of a sampling port configured to provide fluidic access to the fluid line, a data storage medium storing data representing information about the sensor component, and a reflective element. Where it comprises a reflective element, the sensor component transmits light between the waveguides and the reflective element on a separate optical path from an optical path between the waveguides and the sensing elements.

Abstract: Aspects of the current subject matter are directed to a sensor assembly of an analyte monitoring device including one or more microneedle arrays. Aspects are directed to components and architecture of a sensor assembly to implement power and processing aspects of a microneedle array-based continuous analyte monitoring device for the detection and measuring of an analyte. A source of a power-on event is determined, and the analyte monitoring device is transitioned to a mode that corresponds to the determined source. When a power-on event is determined to be a valid power-on event, the analyte monitoring device is transition to a mode that corresponds to a type of the valid power-on event.

Abstract: An on-body insertion system is described. The on-body system includes a sensor in a first position being substantially parallel to an insertion surface. Activation of an actuator transitions the sensor to a second position. Wherein the transition imparts movement to the sensor that is substantially parallel to the insertion surface and the second position results in the sensing area being beneath the insertion surface.

Abstract: An apparatus for insertion of a medical device in the skin of a subject is provided, as well as methods of inserting medical devices.