Abstract: An adjustable assembly for a lens system comprises a lens assembly mount having a first bore and a second bore, a lens assembly that has a fixed longitudinal axis within the first bore, and an adjustable lens tube housing a second lens assembly within the second bore. The adjustable lens tube has a proximal portion, a distal portion forming a spherical joint with a distal portion of the second bore, and a longitudinal axis. A double eccentric mechanism in the second bore is in contact with the proximal portion of the lens tube, and is adjustable to pivot the lens tube within the second bore to alter the orientation of its longitudinal axis.

Abstract: There are provided a connector of which manufacture and maintenance are easy and an endoscope system. A connector is a connector for an endoscope that is connected to a light source device. The connector includes a light guide part that guides illumination light, a wireless communication unit that wirelessly communicates with the light source device, a wireless power receiving unit that wirelessly receives power supplied from the light source device, and a housing that is formed in a flat shape in which a horizontal length is longer than a vertical length in a connection posture where the connector is connected to the light source device. The light guide part, the wireless communication unit, and the wireless power receiving unit are provided on a front surface of the housing, which faces the light source device, so as to be lined up in a horizontal direction.

Abstract: A colonoscope having an egg-shaped camera module and a wiring unit, as well as a forward movement control method of the colonoscope, are disclosed. The camera module includes a casing, a first camera unit, a vibration motor and a control unit. The casing has first and second ends. The first end is made of a transparent material. The first camera unit captures a first image. The vibration motor is adapted to vibrate the casing. The control unit controls the first camera unit to capture the first image. The control unit controls the vibration of the vibration motor. The wiring unit forms a vent and includes at least two lead wires and an air tube. Power can be transmitted to the control unit through the lead wires. The air tube is adapted to convey air, and the vent is adapted to output the air to a colon.

Abstract: Provided is an endoscope system capable of emphasizing a slight difference in color tone. An observation target in a body illuminated by red, green and blue light R, G and B at a first light emission ratio is imaged by an image pick-up sensor, and an image signal of a first color, an image signal of a second color, and an image signal of a third color are output. The light emission ratio of the red, green and blue light R, G and B is changed from the first light emission ratio to a second light emission ratio, and the amount of the red, green and blue light R, G and B is controlled so that the image signal of the second color or the image signal of the third color matches the signal level of the image signal of the first color.

Abstract: A light source apparatus irradiates an observation target with first light in a wavelength region which does not include a wavelength region where an absorption peak of a target substance included in the observation target is present and second light in a wavelength region where the absorption peak is present. An image acquiring circuit includes an emphasized image information generating circuit which generates emphasized image information on the basis of first image information acquired by an imaging apparatus when the observation target is irradiated with the first light and second image information acquired by the imaging apparatus when the observation target is irradiated with the second light.

Abstract: Systems, apparatuses, and methods of and for an ophthalmic illuminated infusion line are provided. An example ophthalmic illuminated infusion line may include an infusion arrangement having a first flexible elongate member and a flow tube. The first flexible elongate member may have a lumen configured to deliver a fluid to an eye of a patient during a surgical procedure. The flow tube may be sized to penetrate the eye of the patient and deliver the fluid to an interior of an eye to maintain intraocular pressure during a surgical procedure. The ophthalmic illuminated infusion line may also include an optical fiber coupled to the infusion arrangement and configured to penetrate the eye of the patient with the flow tube and transmit light to illuminate the interior of the eye during the surgical procedure at the same time that the flow tube delivers the fluid to the interior of the eye.

Abstract: A throat examination device, suitable for telemedical application, whereby an unskilled examiner may safely perform an examination of a patient's throat and send the results to a remotely located medically qualified personnel. The device may be used with a smartphone having a camera and comprises a viewing port, a positioning device to properly position the camera and a constrained tongue depressor to safely position the patient's tongue.

Abstract: An image processing apparatus converts an intensity distribution of at least one of a plurality of regions of a tomographic image of an eye by using an amount of conversion which is greater than an amount of conversion used to convert an intensity distribution of another one of the plurality of regions, the tomographic image being obtained by performing tomographic imaging on the eye by using optical interference.

Abstract: An eye alignment monitor and method are described for the detection of variability of the relative alignment of the two eyes with each other, thereby detecting deficits of binocular function, for use as a screening device for these abnormalities especially in infants and young children. Each embodiment includes means for tracking of the positions of a subject's two eyes simultaneously, and furthermore includes repetitive calculation of the relative positions of the two eyes with respect to each other. The embodiments do not require fixation by either eye on a specific point. Typically, a movie on a video display is used for viewing by the subject. Variability of relative alignment of the two eyes with each other is typically determined by variability of the relative positions of images of the pupils of the eyes with respect to each other over time.

Abstract: A method of generating three dimensional shapes for a cornea and lens, the method including illuminating an eye with multiple sections of light and obtaining multiple sectional images of the eye based on the multiple sections of light. For each obtained multiple sectional image, the following processes are performed: a) automatically identifying arcs corresponding to anterior and posterior corneal and lens surfaces of the eye by image analysis and curve fitting of the obtained multiple sectional images; and b) determining an intersection of lines ray traced back from the identified arcs with a known position of a section of space containing the section of light that generated the obtained multiple sectional images, wherein the intersection defines a three-dimensional arc curve. The method further including reconstructing three-dimensional shapes of the cornea surfaces and the lens surfaces based on fitting the three-dimensional arc curve to a three-dimensional shape.

Abstract: Medical monitoring and treatment devices, systems, and methods. In one system embodiment, the system comprises a medical device configured to obtain a bodily measurement from a patient; an alert device comprising a receiver configured to receive a signal from the medical device, the signal indicative of the bodily measurement; and at least one user device in communication with the alert device; the alert device configured so that when the bodily measurement falls outside of a predetermined bodily measurement range, the alert device is operable to send an alert signal to the at least one user device, the alert signal indicative of the bodily measurement falling outside of the predetermined bodily measurement range.

Abstract: A system and method of specular reflection detection and reduction includes a processing unit including one or more processors and an imaging unit coupled to the processing unit. The imaging unit includes one or more first illuminators for providing illumination of a region of interest, one or more first detectors for detecting reflections of the illumination, one or more second illuminators for triggering fluorescing of one or more fluorescent materials in the region of interest, and one or more second detectors for detecting the fluorescing of the fluorescent materials. The processing unit is configured to receive a first image from the first detectors, determine one or more regions of high specular reflection in the first image, mask out the regions of high specular reflection in the first image, and generate a composite image based on the masked first image and the detected fluorescence. The first image includes the detected reflections.

Abstract: An endoscope for determining the depth of a subregion of a cavity may include at least one imaging channel having a first optical axis, with at least one first optical deflection device arranged in the at least one imaging channel. The optical deflection device may be designed to transversely offset the first optical axis parallel to the first optical axis.

Abstract: Provided is a scanner for photoacoustic tomography including: a mirror which reflects light and a photoacoustic signal for the photoacoustic tomography; a first driving member which is attached with the mirror; a second driving member which is connected to the first driving member; first driving force supply units which are disposed under two ends of the first driving member in a first direction to exert a driving force for allowing the first driving member to perform tilting movement in the first direction; and second driving force supply units which are disposed under two ends of the second driving member in a second direction to exert a driving force for allowing the second driving member to perform tilting movement in the second direction.

Abstract: A system for measuring of arterial and venous blood constituent concentration based first on measuring cardiac blood flow balance parameter between the right chamber of the heart and the left chamber of the heart, which includes a sensor device for measuring one of blood pressure and blood flow rate and blood constituent concentration of a patient so as to generate an arterial pulse signal. A processing unit is responsive to the arterial pulse signal for generating full arterial pulse plethysmography waveforms, arterio-venous pulse plethysmography waveforms, and balance parameters. A computational device that is responsive to plethysmography waveforms generating a plurality of state space linear transfer functions by applying system identification between plethysmography waveforms at various wavelengths representing a plurality of models of the blood constituent concentration, including oxygen, carbon dioxide, hemoglobin, and glucose, and displaying related useful information.

Abstract: Computer-implemented methods are disclosed for estimating values of hemodynamic forces acting on plaque or lesions. One method includes: receiving one or more patient-specific parameters of at least a portion of a patient's vasculature that is prone to plaque progression, rupture, or erosion; constructing a patient-specific geometric model of at least a portion of a patient's vasculature that is prone to plaque progression, rupture, or erosion, using the received one or more patient-specific parameters; estimating, using one or more processors, the values of hemodynamic forces at one or more points on the patient-specific geometric model, using the patient-specific parameters and geometric model by measuring, deriving, or obtaining one or more of a pressure gradient and a radius gradient; and outputting the estimated values of hemodynamic forces to an electronic storage medium. Systems and computer readable media for executing these methods are also disclosed.

Abstract: Computer-implemented methods are disclosed for estimating values of hemodynamic forces acting on plaque or lesions. One method includes: receiving one or more patient-specific parameters of at least a portion of a patient's vasculature that is prone to plaque progression, rupture, or erosion; constructing a patient-specific geometric model of at least a portion of a patient's vasculature that is prone to plaque progression, rupture, or erosion, using the received one or more patient-specific parameters; estimating, using one or more processors, the values of hemodynamic forces at one or more points on the patient-specific geometric model, using the patient-specific parameters and geometric model by measuring, deriving, or obtaining one or more of a pressure gradient and a radius gradient; and outputting the estimated values of hemodynamic forces to an electronic storage medium. Systems and computer readable media for executing these methods are also disclosed.

Abstract: A health care band operably attaches a biosensor to a patient. The biosensor includes one or more sensors for collecting vitals of a patient and a wireless transmitter that is configured to communicate with an EMR network that stores and maintains an EMR of the patient. The biosensor stores a unique identification associated with the patient's EMR such that vitals measured by the biosensor may be transmitted with the patient's unique identification for storage in the patient's EMR. The sensors in the biosensor may include a thermometer, motion detector/accelerometer, pulse detector and oximeter, etc. In an embodiment, one of the sensors in the biosensor includes a photoplethysmography (PPG) based sensor that may be configured to continuously or periodically measure a patient's vitals, such as heart rate, pulse, blood oxygen levels, blood glucose or insulin levels, or other blood analytics in vitro.

Abstract: A grip-type blood pressure measuring apparatus and a method of operating the apparatus are provided. The grip-type blood pressure measuring apparatus may include a pulse wave measuring sensor array comprising a plurality of pulse wave measuring sensors that are spaced apart from each other at a predetermined interval; and a blood pressure measurer configured to select a first pulse wave and a second pulse wave from among a plurality of pulse waves measured by the plurality of pulse wave measuring sensors, analyze the selected first pulse wave and second pulse wave, and determine a blood pressure based on an analysis result of the first pulse wave and the second pulse wave.

Abstract: The present invention relates to a system (34) for detecting variation of heart rate, HR, of a user (14), said system comprising an optical sensing unit (12) for measuring a heartbeat-related optical signal of said user (14) over time, a processing unit (20) for deriving an HR-variation signal from said heartbeat-related optical signal, an analyzing unit (22) for comparing said derived HR-variation signal to a reference HR range, and an initiating unit (26) for initiating a process for measuring an informative heartbeat-related signal of said user (14) depending on said comparing of said analyzing unit (22).

Abstract: A pulse wave measuring device includes a light emitter unit, a light receiver unit, a pulse wave measuring unit and a contact portion. The light receiver unit receives reflected light, which is reflected from a finger after transmission of the light from the light emitter unit. The pulse wave measuring unit measures a pulse wave based on the reflected light, which is received with the light receiver unit. The finger contacts the contact portion at a time of measuring the pulse wave. The contact portion has a recess, which receives at least a portion of the finger at the time of measuring the pulse wave, and a protrusion is provided in an inside of the recess.

Abstract: Hardware and software methodology are described for cardiac health measurement. Hemodynamic waveforms variously acquired for a subject are analyzed to calculate or approximate intrinsic frequencies in two domains in two domains across the Dicrotic Notch. The intrinsic frequencies provide metrics/ measures that correlate to the cardiac health of the subject. The systems may be used for monitoring a condition and/or is diagnosis. Exemplary uses include identifying (diagnosing) the presence of arrhythmia, heat failure, atrial fibrillation, aneurysms, vessel stenosis or aortic valve dysfunction and the necessity for valve replacement and/or monitoring congestive heart failure progression, together with identifying the acute need for hospitalization in connection with daily testing for any such condition.

Abstract: A circuit in a mobile terminal for measuring heartbeat/stress. The circuit includes a photoplethysmography (PPG) sensor having first and second green light-emitting diodes (LEDs); first and second LED drivers respectively connected to the first and second green LEDS and respectively configured to drive the first and second green LEDs; and a processor configured to control the first and second LED drivers to alternately turn on the first and second green LEDs within one driving period to respectively produce first and second PPG signals, and measure a user's heartbeat/stress using the first and second PPG signals that have a corresponding signal quality equal to or greater than a predetermined threshold.

Abstract: Various embodiments relate to a system and method for monitoring the heart rate of a user. In particular various embodiments relate to a system comprising an input unit, a time measurement unit, a heart rate sensor, a processing unit and an output unit. The processing unit determines at least one of three different time periods, the first below, the second inside and the third above a single heart rate range defined by the user.

Abstract: An electrocardiogram analyzer includes a first acquiring section that acquires a body surface electrocardiogram of a subject, a second acquiring section that acquires an intracardiac electrocardiogram of a ventricle of a heart of the subject, and an analyzing section that performs a frequency analysis on the intracardiac electrocardiogram and includes a range setting section that sets an analysis time range of the frequency analysis in the intracardiac electrocardiogram based on a unit waveform of the body surface electrocardiogram, and a calculating section that, in the analysis time range, performs the frequency analysis on the intracardiac electrocardiogram, and that calculates an index value indicating a ratio of local abnormal ventricular activities in the intracardiac electrocardiogram.

Abstract: The present invention is directed towards a method of manufacturing a sensor disc for use as a dry electrode in a skin conductance measuring device, the sensor disc comprising a plurality of layers of different materials and the method of manufacturing comprising the steps of etching a copper base layer; electroplating the copper base layer with an intermediate bright copper layer; plating the intermediate bright copper layer with an intermediate palladium plated layer; and, plating the intermediate palladium plated layer with a gold plated surface layer. The advantage of a method of manufacturing a sensor disc in accordance with the present invention is that a roughened surface is created by the etching. This increased roughness corresponds to an increase in surface area of skin in contact with the sensor disc.

Abstract: The present disclosure provides apparatuses and computer readable media for measuring sub-epidermal moisture in patients to determine damaged tissue for clinical intervention. The present disclosure also provides methods for determining damaged tissue.

Abstract: The present disclosure provides apparatuses and computer readable media for measuring sub-epidermal moisture in patients to determine damaged tissue for clinical intervention. The present disclosure also provides methods for determining damaged tissue.

Abstract: Ingestible event markers having high reliability are provided. Aspects of the ingestible event markers include a support, a control circuit, a first electrochemical material, a second electrochemical material and a membrane. In addition, the ingestible event markers may include one or more components that impart high reliability to the ingestible event marker. Further, the ingestible event markers may include an active agent. In some aspects, the active agent, such as a pharmaceutically active agent or a diagnostic agent may be associated with the membrane.

Abstract: An oral/nasal cannula manifold gas sampling and oxygen delivering manifold for sampling exhaled breath of a subject and delivering supplemental oxygen, the cannula including a main body portion having a suction port which is connected with a collection tube to a suction device for sampling the exhaled breath of the subject. A nasal prong upwardly protrudes from the main body portion and is positioned for insertion into a nostril of the subject to collect nasally exhaled breath. An oral conduit passage is embedded in a deflector/concentrator plate that extends downwardly from the main body portion and is also provided with a passage with an elongate lateral opening positioned for placement near the mouth of the subject to collect orally exhaled breath of the subject.

Abstract: The present disclosure provides an apparatus for collecting respiratory samples with a support structure designed to be wearable by a subject. The apparatus includes a sample collector and a tubing system for collecting and delivering the sample. Optionally, the sample collector and/or the tubing system is movable between a first and a second position to gain access to the mouth and/or nose of the patient. Wearable support device for and method of breath sampling are disclosed.

Abstract: A binodal wireless sensor provides biomechanics feedback focused on movement tracking for the purpose of facilitating enhanced user training and recovery decisions. The sensing device and methods of use differs distinctly from current devices by utilizing a plurality of inertial sensors within a single, non-rigid unit to, among other things, identify a segment's position in space, identify internal movement and stability such as torsion, bending, shear movement, etc. in the segment, and/or between two segments. The unit includes data storage, wireless transmission, rechargeable battery, local processing and data collection sensors. The unit relays data to an intelligent device that provides feedback to the user.

Abstract: The present systems and methods provide a mechanism to assess viewer behavior, features of stimuli, and the interaction between viewer behavior and stimuli. The systems and methods described herein for quantifying blink response and blink inhibition provide moment-by-moments measurements of viewer engagement by measuring what is or is not engaging enough to warrant viewers' inhibition of blinking. The present disclosure describes measures of visual scanning, eye movements, blink data, and blink timing data to derive a measure of how engaged a person is with what he or she is looking at. Blink-related data as a measure of viewer engagement provides a mechanism for determining the most engaging spatial and temporal aspects of a stimulus.

Abstract: The present invention provides an information processing device that sets a range designated within a captured image (3) as a range of a bed reference plane. During this setting, the information processing device evaluates whether the designated range is suitable as the range of the bed reference plane, based on a predetermined evaluation condition, and presents the result of that evaluation to a user. It is thereby possible to easily perform setting relating to a position of the bed that serves as a reference for detecting the behavior of a person being watched over.

Abstract: A method for detecting deviation from a preferred cervical spine posture when using a mobile device is disclosed. The mobile device uses a front-facing camera to capture images of the user and apply a nostril tracking algorithm to the images. The nostril tracking algorithm is used in real-time to measure displacement of the user's nostrils and correlate the nostril displacement to a cervical spine flexion angle. The user's cervical spine flexion angle is communicated using an alarm device, such as a row of lights, which allows the user to monitor and correct their posture and avoid potential injury.

Abstract: An ultrasound signal processor uses an excitation generator to cause displacement of a tympanic membrane while a series of ultrasound pulses are applied to the tympanic membrane. Phase differences between a transmitted signal and received signal are examined to determine the movement of the tympanic membrane in response to the applied excitation. An examination of the phase response of the tympanic membrane provides a determination as to whether the fluid type behind the tympanic membrane is one of: no fluid, serum fluid, or purulent fluid.

Abstract: A lancing device comprises a lancet drive to cause a lancet to effect a puncturing movement, a housing that encloses the lancet drive, and a touching element with an opening for applying a part of a body in which a prick wound is to be produced, the touching element being movable relative to the lancet drive for the purpose of adjusting the puncturing depth in a puncturing direction. The touching element is connected rotatably by means of a screw thread to an intermediate piece and is movable in the puncturing direction, while the intermediate piece is rotatable and movable relative to the housing. A guide prevents rotation of the touching element relative to the housing, and the touching element is enclosed by the intermediate piece at least over part of its length.

Abstract: A control section performs first preliminary imaging in which an observation target is illuminated with first blue light at a wavelength band of 450±10 nm and an image of the observation target is captured. A yellow pigment concentration calculator calculates concentration of the yellow pigment based on an image signal obtained by performing the first preliminary imaging. A prescribed exposure amount calculator calculates a prescribed exposure amount of second blue light at a wavelength band of 470±10 nm for second preliminary imaging based on the calculated concentration of the yellow pigment. A control section performs second preliminary imaging in which an observation target is illuminated with the second blue light and an image of the observation target is captured based on a prescribed exposure amount of the second blue light for the second preliminary imaging. An arithmetic value calculator calculates an arithmetic value based on an image signal obtained by performing the second preliminary imaging.

Abstract: A glucose biosensor includes a plurality of optical fibers configured for placement within the ear canal. A first optical fiber emits light into the ear canal. A plurality of other optical fibers capture and transmit the reflected light back to the glucose biosensor. A plurality of photodetectors are configured in the glucose biosensor to detect the reflected light from the plurality of optical fibers. The glucose biosensor processes the detected light from each photodetector to determine a glucose level measurement. In an embodiment, the glucose biosensor also includes a wireless interface to transmit the glucose level measurements to a glucose meter and/or a gateway.

Abstract: Provided is a biological-information measurement device having a small-sized device configuration without a reduction in measurement precision. Reflected light from a measurement object (10) is split using a rotary diffraction grating (110), and the space requirements and number of components of a light-splitting optical system can thereby be reduced. A reflecting member (140) for reflecting light incident from a measurement probe (106) instead of the measurement object (10) and emitting the light to the measurement probe (106) is also provided, whereby an optical path for obtaining a measurement signal and an optical path for obtaining a reference signal can be configured in common, space requirements can be reduced, and precision of calibration can be enhanced. As a result, particularly the light-splitting optical system and a reference signal optical system can be reduced in size without a reduction in measurement precision.

Abstract: A system for detection of blood analytes comprising a detector, a light source, and a resilient connector extending between the detector and the light source and positioning the detector and light source relative to one another such that one is positioned on the dorsal surface of a user's interdigital space and the other is positioned on the palmar surface of a user's interdigital space.

Abstract: Provided is an endoscope system capable of improving luminance and an S/N ratio of a normal observation image that is obtained in a special observation mode. In a special observation mode, after first illumination light is radiated, some of a plurality of pixel rows of an imaging element are reset en bloc. Illumination light is switched to second illumination light, the second illumination light is radiated, and then, a turned-off state is reached. During this turn-off period, signal reading is sequentially performed from all pixel rows. An image processing unit generates a normal observation image on the basis of a first imaging signal without being subjected to resetting. Further, the image processing unit generates an oxygen saturation image on the basis of a second imaging signal read from the pixel row subjected to the resetting and exposed by only the second illumination light, and the first imaging signal.

Abstract: An apparatus and method for collecting a predetermined amount of blood or other fluid using an automated sampling system is provided.

Abstract: Apparatus and methods for a single, handheld device that provides for both insertion of a catheter and collection of a fluid. Some embodiments further include a needle that assists in the insertion of the catheter into a blood vessel, and which includes a retraction feature that protects the user from an accidental needle stick when the device is ready for disposal. Still further embodiments include a protective cover that prevents a user from accidentally being stuck by a second needle used for the introduction of the patient's blood into a collection device.

Abstract: A safety blood-collection needle, comprising a needle base, a needle hub, a flexible tube, a straight needle, a straight needle shaft, and a needle head; the safety blood-collection needle further comprises a protective cover, a slider, a handle, and a position limiting mechanism; one end of the needle base is fixed and is in communication with the needle head; the slider movably sleeved on the needle base; the position limiting mechanism is arranged on the slider and needle base. The slider is arranged on the needle base and slides in order to cover the needle head, so that safety is greatly increased when handling the needle head following blood collection; the use of a spring-type needle head is avoided, thus reducing the suffering of the patient.

Abstract: A microperfusion needle or fistula needle with a protective element comprises a first component comprising a cannula, a body rigidly joined to the cannula, and having grasping wings extending therefrom, a second component comprising an elongate body having a cavity for slidably receiving the first component between an operating position of the cannula and a safety position of the cannula, the elongate body having lateral slots for the grasping wings to extend therethrough, the grasping wings being suitable for elastically bending around and contacting opposed portions of the elongate body. The elongate body comprises two arrays of projections, which are contacted by the wings when bent. Opposed pairs of projections are designed to contact and mechanically interfere with the grasping wings when bent.

Abstract: The present invention provides devices and systems for use at the point of care. The methods devices of the invention are directed toward automatic detection of analytes in a bodily fluid. The components of the device are modular to allow for flexibility and robustness of use with the disclosed methods for a variety of medical applications.

Abstract: A method for measuring a glomerular filtration rate in a mammalian kidney comprises a source of reporter and marker fluorescent molecules. The fluorescent molecules are introduced into the blood stream of a mammalian subject. Over a period of time, a measurement of the intensities of the reporter and marker fluorescent molecules is taken. A ratio is calculated to determine the health of the subject's kidney. This method measures volume of plasma distribution based on a fluorescence of a marker molecule relative to a fluorescence of a reporter molecule.

Abstract: A method for utilizing an optical system for taskless mapping of brain function includes determining a time series of dynamic light measurements for a plurality of spatially distributed source-detector pairs, receiving the dynamic light measurements over a period of time using the source-detector pairs without dependence on either a task or a change in physiological condition, generating a plurality of temporal correlations between regions of a brain for the light measurements based on the time series of the spatially distributed source-detector pairs and the received dynamic light measurements, producing at least one map of a respective strength of each of a plurality of temporal correlations, producing overlapping source-detector pairs measurements using diffuse optical tomography (DOT) geometries, reconstructing data representative of the dynamic light measurements into an image space using at least one DOT algorithm, and co-registering DOT voxel images obtained by the reconstruction to anatomical informat

Abstract: Technologies are generally described to monitor a sweat rate of an area of a skin. A hydration status of a human or non-human entity is monitored based on the sweat rate. The sweat rate is monitored when the sweat rate monitor is detected as sealed against the surface of the skin. The sweat rate monitor is attached to the surface of the skin with an adhesive, or a tape among other schemes to hold the sweat rate monitor in place during a measurement. The sweat rate monitor includes a container to capture an initial amount of sweat that comes out of the surface of the skin. When, the container is detected as filled with the initial amount of sweat, a pump of the sweat rate monitor is actuated to compress the container. The container is compressed to force a volume of the initial amount of sweat in the container out of an ejection port of the sweat rate monitor.