Abstract: An endoscope includes: an insertion portion including a distal end rigid portion, a bending portion, and an endoscope tube portion; an image pickup apparatus including an image pickup device; a first optical system having a first optical axis which is in parallel with a longitudinal axis; a second optical system including a first objective optical system having a second optical axis intersecting with the first optical axis, the second optical system being configured to bend the second optical axis to make the second optical axis coincident with the first optical axis; and a rotation driving apparatus that rotates the image pickup device, the first optical system, and the second optical system together around a rotation axis which is in parallel with the first optical axis.

Abstract: An image processing apparatus includes a special light image acquisition unit that acquires a special light image having information in a specific wavelength band, a generation unit that generates depth information at a predetermined position in a living body using the special light image, and a detection unit that detects a predetermined region using the depth information. The image processing apparatus further includes a normal light image acquisition unit that acquires a normal light image having information in a wavelength band of white light. The specific wavelength band is, for example, infrared light. The generation unit calculates a difference in a depth direction between the special light image and the normal light image to generate depth information at the predetermined position. The detection unit detects a position in which the depth information is a predetermined threshold or more as a bleeding point. The present technology is applicable to an endoscope.

Abstract: An illumination apparatus includes an optical apparatus configured to optically process laser light to produce illumination light such that speckle noise in the illumination light is reduced. The optical apparatus includes at least one collimator (130) configured to collimate the laser light and a diffuser (140) configured to diffuse the laser light.

Abstract: A smartphone endoscope system includes a smartphone with first and second imaging sensors, and an imaging optics attachment. The imaging optics attachment includes a first and second imaging apparatus, the first imaging apparatus including a first light source, a beam splitter, an objective lens, and a fiber optic imaging bundle, wherein the fiber optic imaging bundle delivers excitation light to a target which emits a fluorescence emission and a reflectance emission both collected by the fiber optic imaging bundle and transmitted to the first imaging sensor. The second imaging apparatus includes a second light source, a DRS source fiber delivering broadband light to the target which produces a diffuse reflectance emission, a DRS detection fiber, a collimator, a slit, and a transmission grating wherein the transmission grating diffracts diffuse reflectance emission and creates diffracted light which is transmitted to a second imaging sensor.

Abstract: The present invention relates to a cleaning device comprising one inlet and one outlet for air, one inlet and one outlet for water, one inlet and one outlet for at least one chemical agent and a dosing system for the at least one chemical agent.

Abstract: The invention discloses an oral endoscope detection system and a detection method thereof. The oral endoscope detection system comprises an insertion portion, a camera unit arranged in the insertion portion, a displacement information acquisition module, an operation mode setting module, a signal transmission module, an operation unit connected with the insertion portion, an image control processing module and a display device. An image displayed on the display device is a positive visual image of a subject part by using the invention, so that the operator can better operate a subject oral cavity to avoid the situation that the operator cannot make correct judgment because detection images taken by oral endoscopes in the prior art are upside down or skew.

Abstract: A method for estimating and tracking refractive error progression of an individual includes estimating a percentile of Spherical Equivalent Refraction (SPHEQ) as a function of at least the individual's age by comparison to a reference population; estimating an expected SPHEQ trajectory over a future predetermined period of time; comparing the expected SPHEQ trajectory with the reference population; and comparing the expected SPHEQ trajectory with an expected SPHEQ trajectory using an ametropia control treatment, thereby showing a possible treatment benefit over the predetermined period of time.

Abstract: To facilitate understanding of correspondence between a motion contrast image acquired through OCTA and structure information acquired through OCT or the like, when an image is displayed, a first image within a first area of an object to be inspected is acquired, and interference signal sets corresponding to a plurality of frames, which are acquired with an intention to acquire the same cross section, are acquired for a plurality of different cross sections. Then, a motion contrast image within a second area included in the first area is generated based on the interference signal sets corresponding to the plurality of frames, and information acquired from a part of the motion contrast image is superimposed for display onto a corresponding position of the first image.

Abstract: The present invention relates to a system, device and a method for objective visual field testing and in particular, to such a system and method in which provides objective chromatic perimetry test or color vision test using a pupillometer.

Abstract: The invention relates to the field of medicine, and more specifically to ophthalmology. The technical aim consists in increasing the accuracy of determining the visual acuity of patients who simulate higher (for instance, when applying for a job) or lower (for instance, when registering a disability) visual acuity. The technical aim is achieved by means of a method for determining visual acuity which involves showing to a patient test symbols on a display, the size of which symbols is continuously adjustable over a wide dynamic range. As the size of the optotypes is adjusted, the orientation of said optotypes is periodically changed or certain optotypes are replaced with other optotypes of the same size. Visual acuity is determined on the basis of computing an angle at which an optotypes of a minimum distinguishable size can be seen, and a visual acuity value is registered and recorded.

Abstract: A test to assess visual functions based upon the vision system's neuro-biological basis of vision requiring changes in stimulus. Multiple contrasting visual stimulus areas are varied by visual arc-area, color, contrast, velocity, strobic rate, size and relative sizes to test visual functions.

Abstract: [Problem] To be able to accurately measure color vision and color-viewing field for different colors. [Solution] The color-viewing function measuring means (1) pertaining to the present invention displays a plurality of chromatically colored targets (A11, . . . ) (for example, Landolt rings) in an achromatic background (B), the brightness of the targets (A11, . . . ) being set so as to be substantially equal to the brightness of the background (B). When vision or the viewing field is measured with this color-viewing function measuring means (1), vision and viewing field can be accurately measured for different colors.

Abstract: A system for performing a surgical procedure includes an OCT unit for scanning an object region volume with an OCT scanning beam and a control unit for setting the position of the object region volume. A surgical instrument having an effective section is arrangeable in an object region of the object region volume and is localizable in the object region volume with the OCT unit. A computer unit has a first computer program for determining the position of the effective section by processing scan information obtained by scanning the object region volume and a second computer program compares the scan information to reference data and provides a set value for the position of the effective section. The second computer program determines deviation information as to the spatial deviation of the effective section from the set value.

Abstract: Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue.

Abstract: The objects of an embodiment are to improve the reliability of visual function examination and to shorten the time required for the examination. A visual function examination apparatus of an embodiment includes an application optical system, a biological information detector, and an evaluation information generator. The application optical system includes an optical scanner disposed in an optical path of laser light output from a laser light source, and is configured to apply the laser light that has travelled via the optical scanner to a retina of a subject's eye. The biological information detector is configured to detect biological information representing a reaction of a subject to application of the laser light. The evaluation information generator is configured to generate evaluation information on visual function of the subject's eye based on the biological information detected.

Abstract: IOP sensor and system for measuring intraocular pressure are disclosed herein. Examples embodiments of the IOP sensor can include: a chamber having a first wall and a second wall opposing the first wall; a first array of photonic components disposed inside of the chamber; a raised portion located within the chamber on a surface of the second wall; at least one side wall separating the first and second walls; and a layer of anti-reflective coating within the chamber.

Abstract: Devices, systems and methods are described for non-invasively monitoring and/or measuring or estimating intraocular pressure. Medical or diagnostic methods embodiments described herein include high resolution imaging of the sclera of one or both of a patient's eyes using digital photography or videography. The hardware employed may be for two-dimensional (2D) or three-dimensional (3D) imaging.

Abstract: A system and method monitoring conditions of a subject's body including a control unit receiving image data and data indicative of an external stimulation applied to the body during collection of the image data therefrom, a memory utility, and a processor utility. The image data is indicative of a sequence of speckle patterns generated by the body according to a certain sampling time pattern.

Abstract: A remote vital sign detection device has a sensor, an integrated circuit, and antenna. The integrated circuit is in communication with the sensor and the antenna. The sensor detects and generates an electronic response from a desired vital sign such as body temperature, pulse rate, respiration rate, and blood pressure and sends a signal corresponding to that vital sign to the integrated circuit. The integrated circuit converts the vital sign signal into vital sign data and transmits the vital sign data off-board via the antenna. The vital sign data is then transmitted to an external reader. The external reader receives the vital sign data and processes it for display or read-out by medical staff. An option intermediate receiver may relay vital sign data from the vital sign detection device to the external reader. The vital sign detection device is placed in a non-implantable medical device.

Abstract: Exemplary method and apparatus for diagnosing or characterizing an inflammation within an anatomical structure can be provided. For example, using at least one source arrangement, it is possible to provide at least one first electro-magnetic radiation to the anatomical structure at at least one first wavelength in vivo. With at least one detector arrangement, it is possible to detect at least one second electro-magnetic radiation at at least one second wavelength provided from the anatomical structure. The second radiation can be associated with the first radiation, and the first wavelength can be shorter than the second wavelength. The second radiation can be provided from the anatomical structure due to at least one change in the anatomical structure caused by the inflammation without providing an artificial fluorescence substance.

Abstract: A fluorescence imaging system for imaging an object, the system includes a white light provider that emits white light, an excitation light provider that emits excitation light in a plurality of excitation wavebands for causing the object to emit fluorescent light, a component that directs the white light and excitation light to the object and collects reflected white light and emitted fluorescent light from the object, a filter that blocks light in the excitation wavebands and transmits at least a portion of the reflected white light and fluorescent light, and an image sensor assembly that receives the transmitted reflected white light and the fluorescent light.

Abstract: An apparatus for performing an endoscopic procedure for detecting cancerous tissue includes a detection probe for detecting the cancerous tissue. The detection probe includes a first fiber for emitting an ultraviolet light beam having an orthogonal function applied thereto and a second fiber for receiving emissions from tissues responsive to the ultraviolet light beam emitted for the first fiber. An ultraviolet emission source generates the ultraviolet light beam. Orthogonal function circuitry applies the orthogonal function twist to the ultraviolet light beam. Detection circuitry detects fluorescence and orthogonal function within the emissions from the tissues received over the second fiber.

Abstract: The present invention continuously acquires information on the pulse wave and blood pressure of a measurement subject. The present invention is a biological information reading device that is used stuck to a living body and that is provided with: a biological information acquiring unit that is stuck to the living body and that acquires biological measurement information; and a computing unit that, on the basis of the biological measurement information acquired by the biological information acquiring unit, performs computations that generate biological information.

Abstract: Disclosed are devices and methods for estimating blood pressure, which implement a pulse-transit-time-based blood pressure model that can be calibrated. Some implementations provide reliable and user friendly means for calibrating the blood pressure model using blood pressure perturbation methods and multiple sensors.

Abstract: A feedback photoplethysmography measuring device is provided, including: a measuring device that measures a human body to obtain a photoplethysmography signal; an analog/digital conversion unit that converts the photoplethysmography signal measured by the measuring device to a photoplethysmography value which is a digital value; a variation-degree calculation unit that calculates a photoplethysmography variation value according to the photoplethysmography value converted by the analog/digital conversion unit; and a feedback emitted light amplitude adjustment unit that controls the measuring device according to a plurality of preset control values or the adjusted photoplethysmography variation value calculated by the variation-degree calculation unit, and adjusts the photoplethysmography variation value to a minimum variation value.

Abstract: Disclosed are devices and methods for non-invasively measuring arterial stiffness using pulse wave analysis of photoplethysmogram data. In some implementations, wearable biometric monitoring devices provided herein for measuring arterial stiffness have the ability to automatically and intelligently obtain PPG data under suitable conditions while the user is engaged in activities or exercises. In some implementations, wearable biometric monitoring devices are provided herein with the ability to remove PPG data variance caused by factors unrelated to arterial stiffness. In some implementations, wearable biometric monitoring devices have the ability to perform PWA while accounting for the user's activities, conditions, or status.

Abstract: Self-calibrating sensor assemblies for excess body fluid drainage systems are disclosed herein. Self-calibrating sensor assemblies can include a sensor assembly engaged with a flexible interface member of a drainage catheter. The assembly includes a sensor having a body and a shaft extending from the body. A contact member is slidably mated with the shaft and coupled to the flexible interface member. A resilient member is coupled to the sensor shaft and disposed between the contact member and the body. An actuator moves the sensor between a first position and a second position with respect to the drainage catheter. In the first position the sensor is positioned to measure the pressure and/or force at the flexible interface member, and in the second position the resilient member exerts a known force on the sensor.

Abstract: Systems, devices and methods that can be used to obtain objective pressure measurements in a body cavity using one or more monitoring bladders mounted on a catheter. The monitoring bladders may be adapted to connect or be connected to a system capable of providing objective pressure measurements indicative of the compressive forces acting on the one or more monitoring bladder in the body cavity. The body cavity may include, for example, the rectum, esophagus, stomach, intestine, colon, reproductive tract, urethra, oronasopharnygeal tract, etc.

Abstract: A dilation system and method for accessing a surgical target site to perform surgical procedures. In one version, the dilation system includes a dilation assembly and an actuating mechanism. The dilation assembly comprises plurality of dilator segments. The actuating mechanism is operably associated with the dilator segments so as to cause the dilator segments to move from a collapsed state to an expanded state.

Abstract: A system for displaying mechanical activation patterns of a heart comprises a data input, a processor, and an output. The data input is for receiving data from an electrophysiology apparatus. The processor is electrically connected to the data input, and is configured to calculate mechanical activation parameters from the data, generate an anatomical representation of the heart from the data, divide the anatomical representation into segments, and generate a depiction that displays magnitudes of the mechanical activation parameter relative to the segments such that performance of a plurality of segments can be simultaneously evaluated. The output is for transmitting the depiction to a display.

Abstract: This document provides devices and methods for the treatment of heart conditions. For example, this document provides devices and methods for detecting heart rotors such that effectively targeted cardiac fibrillation treatments can be provided.

Abstract: This document discusses, among other things, systems and methods to determine amplitude and morphology variations of a first heart sound over a first number of cardiac cycles, and to calculate an atrial fibrillation metric indicative of an atrial fibrillation episode of the heart using the determined amplitude and morphology variations. The systems and methods can determine a variability score using the determined amplitude and morphology variations, and can calculate the atrial fibrillation metric using the variability score.

Abstract: A magnetic sensor according to an embodiment includes: a magneto-resistive film including a laminate structure, the laminate structure including a first magnetic layer, a second magnetic layer, and an intermediate layer arranged between the first magnetic layer and the second magnetic layer; and a pair of electrodes for supplying current in a first direction perpendicular to a laminate direction of the magneto-resistive film, wherein the second magnetic layer includes an amorphous magnetic layer, and a crystalline magnetic layer arranged between the amorphous magnetic layer and the intermediate layer, and a length of a current path of the magneto-resistive film is 10 ?m or more.

Abstract: Self-correlation enhancements and implementations are described. In particular, certain examples demonstrate the use of a peak selector to identify peaks of a self-correlation function which serve as candidate cardiac rates for an implantable medical device. The approach may enable an alternative calculation of cardiac rate in an implantable medical device as a stand-alone rate detector or as a double-check of other rate calculations.

Abstract: Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The wearable monitor sits centrally (in the midline) on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and, to a lesser extent, the QRS interval signals indicating ventricular activity in the ECG waveforms. Additionally, the monitor recorder includes an ECG sensing circuit that measures raw cutaneous electrical signals and performs signal processing prior to outputting the processed signals for sampling and storage.

Abstract: Systems and methods are provided for detecting and analyzing changes in a body. For example, a system includes an electric field generator configured to produce an electric field. The system includes an external sensor device configured to detect physical changes in the electric field, where the physical changes affect amplitude and frequency of the electric field. The system includes a quadrature demodulator configured to detect changes of the frequency of the output of the electric field generator. The system includes an amplitude reference source and an amplitude comparison switch configured to detect changes of the amplitude of the output of the electric field generator. The system includes a signal processor configured to analyze the changes of the amplitude and frequency of the output of the electric field generator.

Abstract: A method of performing impedance measurements on a subject. The method includes using a processing system to determine at least one impedance measurement to be performed, and at one electrode arrangement associated with the determined measurement. A representation of the arrangement is displayed so the impedance measurement can be performed once the electrodes have been arranged in accordance with the displayed representation.

Abstract: A technology of improving image quality of a calculation image or parameter estimation accuracy even in a case where a method of simultaneously generating calculation images of a plurality of parameters is used is provided. Thus, by utilization of a reconstructed image in an optimal resolution of each parameter to be estimated, a value of the parameter is estimated and a calculation image that is a distribution of the value of the parameter is acquired. A reconstructed image in an optimal resolution is acquired by adjustment of a resolution of a reconstructed image acquired in an optimal resolution of an estimation parameter with the highest optimal resolution among parameters to be estimated in scanning. Alternatively, in scanning, only a reconstructed image used for calculation of a predetermined parameter to be estimated is acquired in an optimal resolution of the parameter to be estimated.

Abstract: Systems and methods for manufacturing and using magnetic resonance (“MR”) visible labels or markers to encode information unique to the subject or object being imaged by a magnetic resonance imaging (“MRI”) system are provided. The use of such MR-visible labels or markers enables unique information associated with the subject or object being imaged to be encoded into the images of the subject or object. This information can be used to anonymize protected health information (“PHI”); to provide detailed information about a surgical simulation device, quality assurance phantom, or the like; to provide spatial orientation and registration information; or so on.

Abstract: A device according to one disclosed embodiment comprises: a control part which determines at least one target frequency of an MRI noise signal generated in an MRI device and generates a control signal for the determined target frequency; and an output part which outputs the control signal, wherein the target frequency is the frequency of the MRI noise signal to be controlled and the control signal is a signal in which at least one of the size and the phase of the MRI noise signal is changed.

Abstract: A patient support assembly for use in a magnetic resonance image (MRI) scanner includes a first and a second patient support structure and a first and a second imaging coil. The patient support assembly provides support for multiple anatomical regions being imaged, improving patient comfort during the procedure. Access to the patient is improved by: providing a flexible coil that wraps around at least one of the anatomical regions being imaged, providing a support structure open to the anterior region of the anatomical region being imaged, and providing a support structure that may be opened and closed about the anatomical region being imaged. The patient support assembly also aligns the two imaging coils to minimize interference between coils during imaging.

Abstract: A method comprises navigating a patient's anatomy with a medical instrument, the instrument comprising a sensing tool. The method further includes correlating a position of the instrument with a model of the patient's anatomy. The method further includes, while navigating the patient's anatomy, updating the model based on data obtained by the sensing tool.

Abstract: Aspects of the present disclosure are directed to systems, apparatuses, and methods for detecting and correcting for magnetic field distortions within a magnetic field used for medical magnetic localization systems.

Abstract: A surgical tool having an electromagnetic (EM) sensor component is provided. The surgical tool has a flexible shaft portion. Additionally, the surgical tool has a rigid portion attached to the flexible shaft portion. The rigid portion comprises at least one EM sensor within the rigid portion. The at least one EM sensor comprises an extended core portion surrounded by a coil. Additionally, the at least one EM sensor generates a change in voltage when exposed to an electromagnetic field.

Abstract: A method and apparatus are disclosed for assessing a respiratory function from plethysmography data obtainable, for example, from a pulse oximeter. A pulsatile waveform obtained from pleth data is processed to obtain a second waveform extending over a over multiple respiratory cycles and representing respiration-related variations in a pulse-beat area defined by the pulsatile waveform. The second waveform is analyzed to obtain information indicative of respiratory distress. A respiratory index that provides a good indicator of respiratory distress may be computed based on a magnitude of respiratory peaks in the second waveform. Applications to asthma and sleep apnea are described.

Abstract: The measuring device for comprehensive screening for children and adolescents includes a base and a body in the form of a component vertically ending at the top with an arm mounted at the angle of 90°, rotationally in the horizontal plane, positioned on the base. On the arm, there are a motion sensor system and a height measurement system. Additionally, on the vertical component, there is at least one interactive electronic device, a bioelectrical impedance (BI) measurement system, and a waist and hip circumference measurement system. The base includes a built-in body weight measurement system. The object of the invention is also a measuring system.

Abstract: A sensor bed pad has a plurality of layers including an outermost layer made of a flexible material and a pair of inner layers, wherein each inner layer has an electrically conductive material thereon. A central layer is positioned between the pair of inner layers, wherein the inner layers are made of cloth, and wherein the central layer has a plurality of openings extending therethrough. The electrical conductive material of one of the inner layers contacts the electrical conductive material of the other interlayer through the openings in the central layer when a force is applied to the sensor bed pad to complete an electrical circuit between the inner layers.

Abstract: A fall sensor coupled to a necklace to detect a fall of a user is provided. The fall sensor includes a first sensing device, a second sensing device, a wireless module and a controller. The first sensing device is coupled to the necklace to detect a tension force of the necklace. The controller is coupled to the first sensing device, the second sensing device and the wireless module. When the first sensing device detects the tension force is changed, the controller activates the second sensing device to confirm whether the user is falling down, and when the user is determined to be fallen down, and the controller outputs an emergency message via the wireless module.

Abstract: A method of aiding the diagnosis of otitis media in a patient includes obtaining image data in a processor apparatus of a computing device, the image data being associated with at least one electronic image of a tympanic membrane of the patient, calculating, a plurality of image features, each image feature being calculated based on at least a portion of the image data, classifying the at least one electronic image as a particular type of otitis media using the plurality of image features, and outputting an indication of the particular type of otitis media. Also, a system for implementing such a method that includes an output device and a computing device.

Abstract: An electrode structure, which can be used as a biosensor, is provided that has non-random topography located on one surface of an electrode base substrate. The non-random topography of the electrode structure and the electrode base substrate of the electrode structure are of unitary construction and unitary composition and thus there is no interface is located between these elements of the electrode structure.