Abstract: The invention provides a disposable dental mirror tool combined with a dental suction device which can be an integral part of the tool or may be inserted into the tool, enabling simultaneously viewing the patient's mouth and cleaning debris formed during dental procedures.

Abstract: Medical devices are described herein. More particularly, the disclosure relates to medical devices, systems, and methods for the visualization and treatment of bodily passages, such as an airway, sinus cavity, or sinus passages. An exemplary medical device comprises an elongate member, an actuator moveable between an actuator first position and an actuator second position, and a wire member. The elongate member has a first straight, or substantially straight configuration, when the actuator is in the actuator first position and a second curved configuration when the actuator is in the actuator second position.

Abstract: A vision testing device capable of reducing a psychological sense of uneasiness, stress and the like given to a testee when a vision test is performed with a main body of the vision testing device mounted on a head portion of the testee, including: a device main body mounted on a head portion of a testee who undergoes a vision test, and having display devices for displaying a test image for the testee and a camera for photographing an external image; a switch operated by the testee; and a display control unit which performs switching of display images to be displayed on display devices between a test image and the external image photographed by the camera when the switch is operated under a predetermined operation condition in a state that the test image is displayed on the display devices.

Abstract: Apparatus for the assessment of visual function and ocular motility and the treatment of disorders thereof, comprising ocular display apparatus which presents different, but visually related, images to each eye. The invention also relates to methods of assessment of ocular disorders and to their treatment.

Abstract: An optical coherence tomography (OCT) system includes a light source configured to generate an OCT beam and a beam splitter, configured to split the OCT beam into a reference beam and an imaging beam, direct the reference beam toward a reflector, and direct the imaging beam toward a scanner. The system includes a linear actuator, such as a piezoelectric or voice coil, configured to move the reflector to adjust the length of the reference beam and the scanner, configured to scan the imaging beam onto a target surface at a plurality of scan angles, wherein the scanner and target surface are separated by a sample distance that varies at each of the scan angles.

Abstract: A method of detecting the boundary between the iris and the sclera, particularly, a method of detecting the boundary between the iris and the sclera from part of a captured image of a user's eye area, is provided. According to this method, the boundary between the iris and the sclera can be quickly and precisely detected, compared to when using an existing circular boundary detector.

Abstract: An illumination system of an ophthalmologic microscope system projects illumination light onto a patient's eye. A light receiving system guides returning light of the illumination light to an image sensor. A display controller controls a display device to display an image obtained by the image sensor. A magnification changing unit changes display magnification of the image. An interference optical system detects interference light generated from returning light of measurement light from the eye and reference light. An optical scanner is used to scan the eye with the measurement light. An OCT data generation unit processes a detection result of the interference light to generate data. A condition setting unit sets a projection condition of the measurement light in accordance with change in the display magnification. An OCT controller controls the interference optical system and/or the optical scanner based on the projection condition.

Abstract: Embodiments of a testing method for diabetics to optimize their administered insulin dosage comprise collecting sampling sets of biomarker data, each sampling set comprising a sufficient plurality of non-adverse sampling instances and each sampling instance comprising an acceptable biomarker reading at a single point in time recorded upon compliance with adherence criteria, determining a biomarker sampling parameter from each sampling set, comparing the biomarker sampling parameter to a target biomarker range, calculating an insulin adjustment parameter associated with the biomarker sampling parameter if the biomarker sampling parameter falls outside the target biomarker range, adjusting the insulin dosage by the insulin adjustment parameter if the biomarker sampling parameter falls outside the target biomarker range and the insulin dosage does not exceed maximum dosage, and exiting the testing method if the adjusted insulin dosage is optimized.

Abstract: Various embodiments are directed toward a system and method for determining an orientation of an implantable medical device (“IMD”) and automatically adjusting a subcutaneous electrocardiogram (“ECG”) signal based on the determined orientation. The method can further include tagging generated SECG signals so as to identify whether a SECG signal had been generated from an implantable monitoring device with its first electrode being superior or inferior relative to its second electrode. Further embodiments can include automatically adjusting the orientation of the generated SECG signals to match that of a preferred orientation.

Abstract: Systems and methods are provided for an early visualization alarm for a medical monitoring system prior to a critical patient state are provided. The systems and methods receive physiological characteristics of a patient, calculate a physiological value based on the physiological characteristics, determine a presentation style based on a comparison of the physiological value to the first and second predetermined thresholds, and display the physiological value on a display utilizing the presentation style.

Abstract: A brain activity estimation device includes a brain activity estimation portion. The brain activity estimation portion includes a blood-circulation-amount calculating unit and an estimation unit. The blood-circulation-amount calculating unit is configured to calculate time-series blood-circulation-amount data on a facial surface of a human based on RGB data of photographed image data on the facial surface acquired in time series. The RGB data is obtained by conducting RGB processing on the photographed image data. The RGB processing includes decomposing the photographed image data into three color components composed of an R component, a G component and a B component. The estimation unit is configured to estimate brain activity of the human based on a plurality of decomposition components obtained by decomposing the blood-circulation-amount data by singular value decomposition, principal component analysis, or independent component analysis.

Abstract: A brain image reconstruction apparatus can reconstruct a brain image as a sharper image. A brain image reconstruction apparatus has a data acquisition unit that acquires brain activity data of a user; a brain image reconstructor that detects image information from the brain activity data and constructs a brain image; a linguistic information detector that detects linguistic information from the brain activity data; an image database that stores sample images corresponding to the linguistic information; and an image processor that superimposes the sample image with the brain image, and constructs a process image.

Abstract: A system for simultaneously detecting audio-characteristics within a body over multiple body surface locations comprising a coherent light source directing at least one coherent light beam toward the body surface locations, an imager acquiring a plurality of defocused images, each is of reflections of the coherent light beam from the body surface locations. Each image includes at least one speckle pattern, each corresponding to a respective coherent light beam and further associated with a time-tag. A processor, coupled with the imager, determines in-image displacements over time of each of a plurality of regional speckle patterns according to said acquired images. Each one of the regional speckle patterns is at least a portion of a respective speckle pattern. Each regional speckle pattern is associated with a respective different body surface location. The processor determines the audio-characteristics according to the in-image displacements over time of the regional speckle patterns.

Abstract: A device is used for measurement of an internal portion of an object and includes a light source that emits pulsed light with which the object is irradiated, a light detector that detects light which returns from the object in response to irradiation with the pulsed light, and a processor. The processor assesses temporal stability of a light amount of the light which returns from the object and is detected by the light detector.

Abstract: The application discloses endoscopes and wands, light sources, and other inventions useful for near infrared imaging, particularly for medical purposes. It discloses endoscope or wand devices (260) having transmitting members that transmit between about 95% and 99.9% of the energy at a wavelength within the infrared spectrum. It also discloses wands and endoscopes having at least one channel for transmitting and receiving light in the visible spectrum and at least one channel for transmitting and receiving light in the infrared spectrum.

Abstract: An electronic device is disclosed. The electronic device of the present invention comprises a body; a head being extended from the body, the head including an internal space for accommodating; a light transmission circle being formed on the head; and a measurement module being installed in the internal space of the head, the measurement module facing the light transmission circle, wherein the measurement module includes: a plurality of first light source providing the light transmission circle with light for speckle imaging; a image sensor being positioned between the light transmission circle and the plurality of first light sources, the image sensor being spaced apart from the plurality of first light sources, the image sensor facing the light transmission circle; and a lens covering the image sensor, the lens being positioned between the image sensor and the light transmission circle.

Abstract: A photoacoustic apparatus is used that includes a light irradiating unit irradiating a subject that is part of an examinee with light; a probe receiving an acoustic wave generated from the subject irradiated with the light and outputs a signal; and a determining unit determining, based on information related to a specific light absorbing region on a surface of the subject, whether or not a masking member that optically masks the specific light absorbing region is arranged at a specific position.

Abstract: A patient monitoring system comprises a data acquisition device that records physiological signals from a patient, the data acquisition device having at least 3 receiving ports, each receiving port configured to connect to a patient connector. The monitoring system further includes a galvanic patient connector that galvanically connects a first receiving port of the patient connector and the patient, and at least a first capacitive patient connector and a second capacitive patient connector. Each capacitive patient connector capacitively couples a respective receiving port of the data acquisition device and the patient.

Abstract: A system includes a processor; a cellular, WiFi, or Bluetooth transceiver coupled to the processor; an accelerometer or a motion sensor coupled to the processor; and a sensor coupled to the processor to sense mood, wherein text, image, sound, or video is rendered in response to the sensed mood.

Abstract: A method for monitoring a cardiovascular pressure in a patient includes measuring, by pressure sensing circuitry of an implantable pressure sensing device, the cardiovascular pressure of the patient. The method further includes transmitting, via wireless communication circuitry of the implantable pressure sensing device, the measured cardiovascular pressure to another device. The method further includes determining, by processing circuitry of the other device, whether a posture of the patient at a time of the measured cardiovascular pressure was a target posture for cardiovascular pressure measurements. The method further includes determining, by the processing circuitry of the other device, whether to store or discard the transmitted cardiovascular pressure based on determining whether the posture was the target posture.

Abstract: A method for monitoring a cardiovascular pressure in a patient may include storing, in a memory of an implantable medical device system and in association with each one or more different patient postures, a respective offset value for the cardiovascular pressure of the patient. The one or more offset values may be determined based on a distance between an implantable pressure sensing device and an anatomical structure of the patient, a location of the implantable pressure sensing device within the patient, or one or more dimensions an anatomical structure of the patient. The method further includes determining a measured value of the cardiovascular pressure and a posture of the patient when the value of the cardiovascular pressure was measured, selecting a stored offset value associated with the current patient posture, and determining an adjusted cardiovascular pressure value based on the selected offset value and the measured cardiovascular pressure value.

Abstract: According to an example aspect of the present invention, there is provided a system for heart rate monitoring of an object, the system comprising means for measuring heart beats of the object with a first unit at a first sampling rate, determining a heart rate, determining a time difference between consecutive heart beats, determining a time of each heart beat, or determining at least a part of a wave form of a heart beat signal, wherein the first unit includes further means for changing the sampling rate as a response to the determined information.

Abstract: Systems, devices disclosed provide example methods comprising determining that a triggering event has occurred based on statuses for a set of physiological parameters associated with the patient, the physiological parameters indicative of the patient engaging in a patient initiated physical activity, generating a trigger output signal in response to the determination that the triggering event has occurred, wirelessly transmitting the trigger output signal to a pressure sensing device implanted in a vessel of the patient, triggering, based on receiving the trigger output signal, the pressure sensing device to sense a cardiovascular pressure of the patient; and transmitting, by the pressure sensing device, a wireless signal comprising data corresponding to the sensed cardiovascular pressure of the patient.

Abstract: Novel tools and techniques are provided for implementing Internet of Things (“IoT”) functionality. In some embodiments, an IoT-capable personal tracking device might receive sensor data from each of a plurality of sensors, and might analyze the sensor data to identify one or more external IoT-capable devices with which to interact and to determine one or more tasks to be performed by the identified IoT-capable devices, each based at least in part on the sensor data. In some cases, the plurality of first sensors might comprise at least one of one or more sensors that monitor physical conditions of a user's body and/or one or more sensors that monitor environmental conditions external to the user's body. The personal tracking device might subsequently autonomously send, via machine-to-machine communication, control instructions to each of the identified external IoT-capable devices, based on the determined tasks. Multiple personal tracking devices may also be used.

Abstract: A measurement device includes a plurality of detection units that respectively include a light emitting unit which emits light to a measurement target site and a light receiving unit which generates detection signals corresponding to a light receiving level of the light emitted from the light emitting unit and passing through the inside of the measurement target site, and a selection unit that selects some of the detection signals in accordance with an intensity index indicating signal intensity of the respective detection signals, from the detection signals generated by the light receiving unit in each of the plurality of detection units.

Abstract: A pulse waveform measurement system includes an LED light source providing an incident beam having a predetermined wavelength onto a radial or other artery, samples reflected light at a predetermined sample rate, computes, and displays a pulse waveform and various parameters associated therewith. The wavelength and sample rate are set so as to provide desired data quality.

Abstract: Devices, systems, and methods for monitoring patient hemodynamic status, systemic vascular resistance, reversal of cardiac and respiratory rates, and patient respiratory volume or effort are disclosed. A peripheral venous pressure is measured and used to detect levels, changes, or problems relating to patient blood volume. The peripheral venous pressure measurement is transformed from the time domain to the frequency domain for analysis. A heart rate frequency is identified, and harmonics of the heart rate frequency are detected and evaluated to determine, among other things, hypovolemia or hypervolemia, systemic vascular resistance, and of cardiac and respiratory rates, and patient respiratory volume or effort.

Abstract: A kit for intravascular implantation of an implantable medical device (IMD) within a patient includes the IMD, an elongated shaft, and a locking mandrel. The IMD comprises a fixation assembly comprising a loop and defines at least one longitudinal lumen and a port in fluid communication with the lumen. The shaft is sized to traverse a vasculature of the patient. The port is sized to receive at least a portion of the loop. The locking mandrel is configured to be positioned within the at least one lumen of the shaft and to pass through the loop within the lumen at the port. A reduced profile portion of the shaft defines a reduced profile with respect to at least one other portion of the shaft. At least a portion of the reduced profile portion is configured to be adjacent to the IMD when the IMD is positioned on the shaft.

Abstract: A device for measuring pressure in a patient's heart is provided that comprises a sensor device, which detects the difference in pressure between a point inside the heart and the space lying outside the heart inside the thorax. An element of the sensor device, such as a sensor, may be arranged on a device connected to the heart, such as a heart pump or a cardiac pacemaker.

Abstract: The present invention provides a bio-electrode composition including a polymer compound having both an ionic repeating unit A and a (meth)acrylate repeating unit B, wherein the ionic repeating unit A is a repeating unit selected from the group consisting of sodium salt, potassium salt, and ammonium salt having either or both partial structures shown by the following general formulae (1-1) and (1-2), and the (meth)acrylate repeating unit B is a repeating unit shown by the following general formula (2). This can form a living body contact layer for a bio-electrode with excellent electric conductivity, biocompatibility, and light weight, which can be manufactured at low cost and does not cause large lowering of the electric conductivity even when it is wetted with water or dried.

Abstract: Methods and systems provide for quick and precise analysis of ECG data, with a simple and understandable visualization and an effective way of communicating the proposed diagnosis suggestion to the medical personnel. Systems and methods detect electrical potentials from at least one lead and process at least one signal. The measurement itself may be executed on the raw signal, to compare measured parameters with a set of criterions related to various diseases, for example to sudden death syndrome.

Abstract: Disclosed are a method for generating an electrocardiogram for personal identification and a method for identifying a person using the electrocardiogram. The electrocardiogram generation method generates a normalized electrocardiogram by extracting single-cycle electrocardiogram signals meaningful for personal identification from an electrocardiogram of a person and by connecting the extracted single-cycle electrocardiogram signals arranged in temporal order. Therefore, the electrocardiogram generation method dramatically increases identification accuracy in personal identification.

Abstract: Apparatus and method are provided to collect and analyze phonocardiogram (PCG) an electrocardiogram (ECG) waveforms. In one novel aspect, the PCG and ECG waveforms are collected from wearable devices. In one embodiment, the wearable device collects heartbeat waveforms by attaching the device to the patient for a long period and sends the collected waveforms to a receiver through a wireless network. In one embodiment, an acoustic seal layer is attached to the wearable device to reduce the body movement noises and environmental noises. In another novel aspect, an analysis method compares received patient's current PCG/ECG waveform with historic data. In one embodiment, the historic data are stored in a cloud-based database.

Abstract: A physiological signal measuring method and a physiological signal measuring device are provided. The physiological signal measuring method includes the following steps: A first inputting signal having a first frequency, a second inputting signal having a second frequency and a third inputting signal having a third frequency are respectively inputted to at least two electrode sheets attached on a skin. A first impedance value corresponding to the first inputting signal, a second impedance value corresponding to the second inputting signal and a third impedance value corresponding to the third inputting signal are respectively measured. An interference impedance between the electrode sheets and the skin is obtained according to the first frequency, the second frequency, the third frequency, the first impedance value, the second impedance value and the third impedance value. A measured physiological signal is corrected according to the interference impedance to obtain a corrected physiological signal.

Abstract: A patient monitoring system includes a capacitive electrode connectable to a patient to detect an output signal and a signal generator unit that transmits a carrier signal to the capacitive electrode, the carrier signal having a carrier frequency and a carrier amplitude. The patient monitoring system further includes an amplifier unit that amplifies the output signal detected by the capacitive electrode to generate an amplified output signal. A gain determination module in the patient monitoring system determines an output amplitude of a carrier frequency portion of the amplified output signal, and determines a system gain based on a comparison between the output amplitude and the carrier amplitude. A voltage determination module in the patient monitoring system filters the output signal to isolate a physiological signal detected from the patient, and determines a voltage of the physiological signal based on the system gain.

Abstract: A more practical method for evaluating an inhibitory circuit applicable to a living body, and the use thereof. Herein the action of an inhibitory circuit on an excitatory circuit is evaluated on the basis of attenuation of the brain activity produced by activation of an excitatory circuit by the input of an inhibitory circuit by performing a step for inputting an inhibitory circuit by applying a second trigger in advance of a first trigger to an excitatory circuit activated by a first trigger which is a stimulus or challenge.

Abstract: A method of operating a multi-functional limb movement auxiliary device comprising a plurality of actuators configured to move, upon activation, limb movement auxiliary device members in at least two independent degrees of freedom, a bio-signal sensing unit that is configured to acquire bio-signals indicative of motor activity, a control unit configured to receive and evaluate the acquired bio-signals, the method comprising steps of acquiring bio-signals from the user of the limb movement auxiliary device, applying a novelty detection method (ND) for comparing digitally converted, acquired bio-signals with calibration bio-signals, and, based on a result of the comparison, for assigning a similarity measure to the acquired, digitally converted bio-signals, applying at least one sequential estimator (SEQ-E) to the acquired, digitally converted bio-signals, if the assigned similarity measure is equal to or larger than a pre-determined threshold value, applying at least one simultaneous estimator (SIM-E) to th

Abstract: An imaging fiducial marker includes a plurality of marker structures and a connection structure that linearly, curvilinearly, or angly, affixes the plurality of marker structures. The imaging fiducial marker is formed from materials having at least two different radiopacities. Each different radiopacity is separately distinguishable during medical imaging, and the connection structure is distinguishable from the plurality of marker structures during medical imaging. The imaging fiducial marker is arranged for implantation in vivo within soft tissue. Deploying the imaging fiducial marker includes identifying a soft tissue area in a patient's body where the marker will be placed in vivo and deploying the marker in the identified soft tissue area.

Abstract: A device for measuring differences in conductivity that allows early detection of infectious/inflammatory periodental and/or apical diseases or in joint and/or muscle regions, before they can even be detected radiologically. The device has an electrical emitter in millivolts, with a given negative-peak square wave and a given frequency, both defined by a pulse width and interval between pulses, which, by means of two electrodes, one stationary and one movable, is able to produce a mild tingling sensation on the patient's skin immediately over the teeth apices or joint and/or muscle regions as well as dermatological, glandular and integumentary areas affected by inflammation and/or infection and display the intensity of the condition affecting the tissue to the professional on an illuminated scale display.

Abstract: The present disclosure provides various methods and systems for performing magnetic resonance studies. In accordance with many embodiments, image or other information of interest is derived from super radiant pulses.

Abstract: A method and apparatus for detection of changes in impedance a patient that includes generating measured impedances, generating an adaptive baseline trend of the measured impedances corresponding to a first time period, generating a short term trend of the measured impedances corresponding to a second time period less than the first time period, determining changes in relative position of the short term trend and the baseline trend, the determined changes in relative position corresponding to determining intersecting of the baseline trend by the short term trend, determining differences between the baseline trend and calculated period average impedances, and accumulating, in response to determining no intersecting of the baseline trend by the short term trend, the determined differences between the baseline trend and the calculated period average impedances.

Abstract: A tracking system that includes a sensor and a current driver. The sensor includes a substrate and magnetic sensor components configured to sense one or more magnetic fields and provide signals corresponding to the one or more magnetic fields. The magnetic sensor components are on the substrate and the substrate includes one or more conductive paths connected to one or more of the magnetic sensor components and intersecting one or more footprints of the magnetic sensor components. The current driver is configured to provide a regulated current to the one or more conductive paths intersecting the one or more footprints of the magnetic sensor components.

Abstract: Systems and methods are provided for a respiratory sensor for a medical monitoring system that does not require an internal power source. The systems and methods adjust an electrical characteristic of a respiratory sensor based on a property of interest of an airflow path, receiving an excitation signal, and generating a response based on the excitation signal and the electrical characteristic.

Abstract: The present disclosure introduces a pulmonary function testing device, the device includes at least one sensor for enabling airflow measurements of gas flow within the device, a respiratory characteristic modulator configured to change between at least a first respiratory characteristic and a second respiratory characteristic and a processing circuitry for derive the respiratory related parameter based on measurements of flow obtained in at least a first and a second respiratory cycles utilizing at each of the first respiratory characteristic and a second respiratory characteristic respectively.

Abstract: The present invention provides smart bed systems and the operating methods of the smart bed systems. The smart bed systems detect physiological data and sleeping quality with optical fibers which with strong resistance to electromagnetic interference. The smart bed systems do not require the users to wear any wearable devices. The smart bed systems also provide several functions, such as automatic night light, vibration-based alarm, anti-snoring assistance, and scenario-based appliance controls.

Abstract: The present invention relates to an apparatus (100), system (200), method (300), and computer program for distinguishing between active and inactive time periods of a subject. An input unit (110) receives time-dependent activity data (120) (e.g., corresponding to a level of activity). An activity threshold providing unit (130) provides an activity threshold (140) for the subject. An activity assessment unit (150) classifies the time-dependent activity data (120) based on the activity threshold (140). The activity threshold providing unit (130) provides the activity threshold (140) individually for said subject. The present invention provides an approach to patient-tailor the activity threshold (140) for periods of activity and inactivity.

Abstract: Provided is a measurement device including a first acquisition unit that acquires depth information indicating a depth for each two-dimensional position, and a measurement unit that measures a walking state of a test subject by using the depth information.

Abstract: An ingestible device is disclosed which can produce spectral data of one or more analytes, as well as associated methods for characterizing the gastrointestinal tract of a subject which contains such analytes. Related kits and systems are also disclosed.

Abstract: An ingestible device is disclosed which can produce spectral data of one or more analytes, as well as associated methods for characterizing the gastrointestinal tract of a subject which contains such analytes. Related kits and systems are also disclosed.

Abstract: An ingestible device is disclosed which can produce spectral data of one or more analytes, as well as associated methods for characterizing the gastrointestinal tract of a subject which contains such analytes. Related kits and systems are also disclosed.