Abstract: An image processor calculates diagnosis support parameters on the basis of the state of blood vessels of an observation object. The image processor includes an image acquisition unit that acquires an endoscopic image, a blood vessel extraction unit that extracts blood vessels, using the endoscopic image, a blood vessel information calculation unit, and a blood vessel parameter calculation unit. The blood vessel information calculation unit calculates a plurality of items of blood vessel information including at least two or more among the number of pieces, the number of branches, a branch angle, a distance between branch points, the number of intersections, thickness, a change in thickness, the degree of complexity of a change in thickness, length, intervals, depth with a mucous membrane as a reference, and the like. The blood vessel parameter calculation unit calculates blood vessel parameters by calculating using the plurality of items of blood vessel information.

Abstract: There is provided an endoscope apparatus which enables to observe a three-dimensional image which is easy to view even in close observation. An endoscope apparatus, comprises: optical systems which form images for a left-eye and a right-eye respectively; an image pickup element which captures the two images and generates pictorial images for the left eye and the right eye; and at least one image processing unit which carries out processing of a pictorial image signal from the image pickup element and creates a stereoscopic image that can be displayed on a monitor, wherein the endoscope apparatus satisfies the following conditional expression (1) 0.

Abstract: An endoscope system includes: an image sensor, a first photoelectric sensor configured to convert an imaging signal and test data output from the image sensor into an optical signal and output the optical signal, optical fibers configured to transmit the optical signal output from the first photoelectric sensor, and an information processing device. The information processing device includes a second photoelectric sensor configured to receive the optical signal transmitted through the optical fibers, and is configured to: measure a current value corresponding to a receiving sensitivity of the test data converted into an electric signal by the second photoelectric sensor; measure a bit error rate of the test data; determine a transmission level of the test data based on the current value and the bit error rate; and assume reasons for a decrease in the transmission level and cause the transmission level to recover based on the transmission level.

Abstract: An endoscope attachment of the present invention includes a light-shielding member disposed in a distal direction from a distal end of an endoscope insertion portion of an endoscope and shields a part of light emitted from a light source of the endoscope at a position separated from the light source; and a support portion connected to the endoscope insertion portion and being capable of holding the light-shielding member at a position distant from the distal end of the endoscope insertion portion.

Abstract: A sheath assembly 6 includes at least three flexible, tubular members 6a, 6b and 6c through which linear members can be inserted, a first holder 61 configured to hold one end side of the tubular members 6a, 6b and 6c, and a second holder 62 configured to hold the other end side of the tubular members 6a, 6b and 6c, wherein the first holder 61 and the second holder 62 hold the at least three tubular members 6a, 6b and 6c such that sections of the tubular members 6a, 6b and 6c orthogonal to an axial direction thereof are linearly aligned.

Abstract: A towing device for endoscopy including a connecting portion connected to a wire of an endoscope to be moved, wherein a body of the connecting portion is broken when a set amount of tension or more is applied to the connecting portion; a guide portion including an inner path through which the connecting portion moves; a clip portion positioned at an opposite direction of the wire with respect to the guide portion and hooked by the connecting portion to be closed and grip body tissues; and an extension portion configured to move together with the guide portion and having a magnetic force.

Abstract: An endoscope includes: a first image acquisition portion configured to acquire a first object image from a first direction; a second image acquisition portion configured to acquire a second object image from a second direction different from the first direction; first illumination light emission portions provided on a straight line with the first image acquisition portion, the first image acquisition portion being interposed between the first illumination light emission portions, and arranged along a line orthogonal to an optical axis of the first image acquisition portion; and second illumination light emission portions lined up and arranged on a plane where the second image acquisition portion is arranged at the insertion portion, and a lining direction of the first illumination light emission portions and a lining direction of the second illumination light emission portions are arranged at positions to be a twisted relation.

Abstract: An optical unit 1 includes a voice coil motor 10 which can relatively move a movable part 3 with respect to a fixed part 2 in the axis C direction by using a coil 11 arranged on the fixed part 2 and a magnet 12 arranged on the movable part 3, wherein the movable part 3 includes a movable-side sliding surface which can slide over an inner periphery of the fixed part 2, and a distance L1 from a position closest to an object side to a position closest to an image side of the movable-side sliding surface in the axis C direction of the movable part 3 is greater than a distance from an emission surface of the object-side fixed lens group Gf held by the fixed part 2 to an incident surface of the image-side fixed lens group Gb held by the fixed part 2.

Abstract: An imaging device includes an image sensor. The image sensor includes: a light receiving unit having pixels configured to receive light and generate an imaging signal according to an amount of the received light; a color filter having a filter unit disposed corresponding to the pixels, the filter unit including first band filters for passing light of a wavelength band of a primary color or a complementary color and including at least one second band filter for passing narrow-band light whose wavelength band is narrower than the wavelength band of the light passing through each of the first band filters; and an output unit configured to output the imaging signal under conditions that an amount of light incident on a second pixel corresponding to the at least one second band filter is greater than an amount of light incident on each of first pixels corresponding to the first band filters.

Abstract: The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums, arrangements of hardware, and processing techniques that can be used to capture these thickness measurements and obtain three-dimensional images of the target surface in a variety of imaging contexts. This includes general techniques for imaging interior/concave surfaces as well as exterior/convex surfaces, as well as specific adaptations of these techniques to imaging ear canals, human dentition, and so forth.

Abstract: Provided is a system for advancing an article along a path. The system may include a head member, a dispatching member, and an eversion sleeve. Also provided is a method for assembling a system for advancing an article along a path.

Abstract: An endoscope apparatus includes a laser diode, an illumination section, an image sensor and a light source control section. The light source control section supplies the laser diode with different drive currents in sequence within exposure time of the image sensor to emit a plurality of laser lights in sequence from the laser diode and which controls the drive currents in such a manner that a combined wavelength spectrum width of combined laser light obtained by combining the emitted laser lights with the exposure time is made greater than a wavelength spectrum width of each of the laser lights.

Abstract: The present invention relates to an improved lighting assembly for camera module of an endoscope. The camera module is received in a cylinder body, which is connected with the tail end of a tube of the endoscope. The cylinder body is provided with two side openings covered by related transparent caps. Several lighting sources are mounted in the cylinder body at the position near the side openings that emits side lightings to increase whole lighting effect in the working cavity and facilitates to obtain clear image captured from camera module. Moreover, the front cover is provided with an annular misty portion related to the position above the front lighting sources around the camera module. Hence, the forward emitting lighting will be foggy that can thus avoid from the reflected lighting spots and benefit the use of the present endoscope to catch clear images of patient's inner cavity.

Abstract: An endoscopic instrument includes a heat-generating component that is thermally coupled to a heat sink via a movable contact structure. The movable contact structure accommodates the relative motion between the thermal conduit and heat sink to maintain the thermal coupling between those elements, and prevent damage to such thermal coupling when the instrument is exposed to elevated temperatures, such as during autoclaving.

Abstract: The invention relates to medical devices for carrying out internal examination, such as laryngoscopes. The laryngoscope is provided with a camera element within a channel inside the blade.

Abstract: A laryngoscope with a handle, at the distal end of which a blade is arranged at an angle to the longitudinal axis of the handle, wherein a channel for receiving an image carrier of a video endoscope is formed in the handle and in the blade such that the channel, in a transition area from the handle to the blade, merges in a radius from the handle into the blade. In order to provide a laryngoscope which, while being easy to handle, ensures insertion of the image carrier into the channel in a way that protects material, in the transition area from the handle into the blade, at least one run-on bevel is formed in the interior of the channel.

Abstract: In some embodiments, an electronic laryngoscope includes a camera, a hollow connecting rod, a handle, and a control display. The front end of the connecting rod is connected to the camera, the rear end of the connecting rod is connected to the handle, and the rear end of the handle is connected to the control display. The laryngoscope further includes a hollow tube whose inner diameter is greater than the outer diameter of the connecting rod. The camera and the connecting rod are located on the inner side of the hollow tube. A sputum suction opening is formed between the front end of the hollow tube and the front end of the camera, and a sputum passage in communication with the opening is formed between the hollow tube and the connecting rod. The laryngoscope further includes a connector between the hollow tube and the camera and/or the connecting rod.

Abstract: A laryngoscope blade which improves the transmission of light from the laryngoscope to enhance the amount of light reflected from an area of interest in a patient. The laryngoscope blade has a channel which extends at least partially though the blade and receives a light source. The channel has a substantially transparent end face which is situated towards the blade end and has an optical clement adapted to reduce the ambient light signal from the light source in the channel.

Abstract: Methods and devices described herein facilitate improved treatment of body organs.

Abstract: A surgical access system comprising a tissue retraction assembly equipped with two or more electrodes for use in monitoring the status of nearby neural structures, including the localized depth of neural structures relative to one or more components of the tissue retraction assembly. Additional neurological testing may be performed to monitor the health and status of the neural structures during the portions of the surgical procedure in which the tissue retraction assembly is used to maintain the operative corridor.

Abstract: In some example implementations, there is provided a method. The method may include determining a probabilistic model representing threshold sensitivities across the visual field, the probabilistic model determined based on the data, the connection strengths, and the noise values. Related systems, methods, and articles of manufacture are also disclosed. In some implementations, the probabilistic model may include a continuous probability distribution.

Abstract: A method and system for compensating for motion artefacts in Optical Coherence Tomography is provided. A B-scan set includes a plurality of B-scan images acquired at least a position corresponding to a target position of a fundus of an eye. The plurality of B-scans within the B-scan set are aligned using a first alignment process and a second alignment process, where the second alignment process is performed on the B-scan images within the B-scan set aligned by the first alignment process. The first alignment process aligns the B-scan images within the B-scan set at a first resolution in at least an axial direction, and the second alignment process aligns the B-scan images within the B-scan set aligned in the first alignment process at a second resolution having a higher resolution than the first resolution in at least the axial direction.

Abstract: In a method for interferometrically capturing measurement points of a region of an eye, a plurality of measurement points are captured by a measurement beam along a trajectory, wherein the same trajectory is passed over by the measurement beam in the region during at least a first iteration and a second iteration. The trajectory of the first iteration is rotated through an angle and/or displaced by a distance in relation to the trajectory of the second iteration in order to obtain a more homogeneous measurement point distribution.

Abstract: The present invention relates to a system (10) for assessing eyesight acuity of a subject (20), comprising: a display (12) for displaying graphics and/or text to the subject (20); an eye movement sensor (14, 14?) for monitoring an eye movement of the subject (20) while the subject (20) is watching the graphics and/or text displayed on the display (12); a processing unit (16) for assessing the eyesight acuity of the subject (20) based on an analysis of the monitored eye movement, wherein the analysis of the monitored eye movement includes an analysis of at least one of a duration of eye saccades, a frequency of eye saccades, a duration of eye fixations and a frequency of eye fixations in the monitored eye movement; and an output unit (18, 18?) for indicating the result of the assessment of the eyesight acuity. The present invention furthermore relates to a system (110) for assessing hearing ability of a subject (20).

Abstract: Utilization of a contact device placed on the eye in order to detect physical and chemical parameters of the body as well as the non-invasive delivery of compounds according to these physical and chemical parameters, with signals being transmitted continuously as electromagnetic waves, radio waves, infrared and the like. One of the parameters to be detected includes non-invasive blood analysis utilizing chemical changes and chemical products that are found in the conjunctiva and in the tear film. A transensor mounted in the contact device laying on the cornea or the surface of the eye is capable of evaluating and measuring physical and chemical parameters in the eye including non-invasive blood analysis. The system utilizes eye lid motion and/or closure of the eye lid to activate a microminiature radio frequency sensitive transensor mounted in the contact device. The signal can be communicated by wires or radio telemetered to an externally placed receiver.

Abstract: The present invention is an OCT imaging system user interface for efficiently providing relevant image displays to the user. These displays are used during image acquisition to align patients and verify acquisition image quality. During image analysis, these displays indicate positional relationships between displayed data images, automatically display suspicious analysis, automatically display diagnostic data, simultaneously display similar data from multiple visits, improve access to archived data, and provide other improvements for efficient data presentation of relevant information.

Abstract: An ophthalmoscope (10) comprising a light source (12), a first scanner (14), a first scan transfer element (16), a second scanner (18), and a second scan transfer element (20), which provide a two-dimensional scan of incident light from an apparent point source at a pupillary point of an eye (22) onto the fundus of the eye, and which descan a two-dimensional scan of return light from the fundus of the eye to provide return light from an apparent point source at the first scanner, wherein the first scan transfer element comprises a free-form element which has a shape defined to provide aberration correction of the return light from the fundus of the eye.

Abstract: The present invention relates to an eye examination apparatus comprising an illuminator adapted to project a light beam to illuminate the retina of an eye; an image sensor adapted to receive light reflected by the retina and to acquire images of the retina; scanning means adapted to perform optical scans of the retina moving the light beam projected on the retina along a scanning direction; separation means of the light beams adapted to separate the projected light from the light reflected by the retina and directed toward said image sensor; and a control unit to control the operation of said scanning apparatus. During the operation of said apparatus, in order to acquire each single image of a region of the retina to be framed, said image sensor integrates light reflected by the retina during at least two complete optical scans of said region of the retina by said scanning means.

Abstract: Method, system and computer program for measuring light diffusion in the eyeball or in the ocular region. The method comprises: projecting a punctiform light beam onto the retina; correcting low-order ocular aberrations of the eye; capturing and recording an image of the retinal plane formed after reflection of the punctiform light beam on the retina and a double passage through the ocular media of the eye; and at the same time as capturing the image of the retinal plane, performing a high- and low-order ocular aberration measurement in the plane of the pupil and performing a light diffusion measurement, combining ocular aberration measurement information with information on the image of the retinal plane. The system and the computer program are adapted for implementing the method.

Abstract: A portable, miniaturized, lightweight ocular-vestibular testing unit with sensors in a head-mounted unit and processor and battery units either incorporated into the head-mount or on other parts of the body, such as a waist belt and connecting to one or more displays via wireless local network. A digital camera for each eye and multiple sensors are configured for ocular and vestibular system testing in a wide variety of positions and locations of a user. The unit records data from the digital cameras and sensors locally to the unit. Recorded data may be viewed via a wireless local network data connection on external displays.

Abstract: The ophthalmologic apparatus includes: a scanning unit that scans a fundus of an eye to be inspected with measurement light; a selecting unit that selects one imaging mode out of a first imaging mode and a second imaging mode which is different from the first imaging mode; an acquiring unit that acquires information which indicates a movement amount of the eye to be inspected, based on a plurality of planer images of the fundus; and a correcting unit that corrects a scanning position of the measurement light in an initial scan which is executed after the information indicating the movement amount has been acquired, in the first imaging mode, and corrects the scanning position of the measurement light in an initial scan included in an initial scanning group which is executed after the information indicating the movement amount has been acquired, in the second imaging mode.

Abstract: An ophthalmologic photographing apparatus includes a determination unit configured to determine, using the detected information, whether or not an imaging area for imaging an eye is beyond an edge of a predetermined range of movement of the eye to be examined, and a tracking control unit configured to track the imaging area using the detected information, in a case where an imaging mode different from a follow-up imaging mode is selected and the imaging area is determined not to be beyond the edge, to not track the imaging area, in a case where an imaging mode different from the follow-up imaging mode is selected and the imaging area is determined to be beyond the edge, and to track, using the detected information, the imaging area without making the determination by the determination unit, in a case where the follow-up imaging mode is selected.

Abstract: A system and method for communicating biofeedback to a user through a wearable device that includes collecting physiological data of at least one physiological property of a user; processing the physiological data into at least one biosignal; monitoring the at least one biosignal for a feedback activation condition; and upon satisfying a feedback activation condition, delivering haptic feedback.

Abstract: Wearable devices capable of measuring a core body temperature and other vital signs of a user in a range of situations are described herein. The wearable device is arranged to be retained within the ear canal of the ear, in order to prevent the wearable device from inadvertently removing itself from the ear. Providing an infrared thermopile at the innermost end of the ear insert ensures that the infrared thermopile is provided as close as possible to the tympanic membrane which will be used to provide an indication of the core body temperature.

Abstract: The fusion element of the imaging processing element 31 generates the fused image by combining: the corrected image generated by using; at least one parameter relative to the color space including RGB value of each pixel, luminance, value, saturation and hue of the visible image, and each pixel value of the near-infrared image imaging fluorescences from indocyanine green; and the second corrected image that is the near-infrared image after colored.

Abstract: An imaging device includes a visible light source 22, an excitation light source 23 that irradiates an excitation light to excite indocyanine green administered to a patient; an evaluation light source 24 that irradiates the light having the wavelength corresponding to the fluorescence from indocyanine green; a aperture mechanism 60 that narrows only visible light between visible light and fluorescence; a camera 21 capable of detecting fluorescence and visible light; a focal adjustment mechanism 70 that executes focal adjustment of the camera 21 using the light irradiated from the evaluation light source 24.

Abstract: A system and method for noncontact ultrasound imagery capable of generating images in a manner that is safer for eyes and skin is provided. A photoacoustic excitation source may be employed to direct light signals with wavelengths of 1400-1600 nanometers into the patient to generate acoustic disturbances that induce propagating photoacoustic waves. The acoustic disturbances may be translated in defined directions to cause coherent summation of the propagating photoacoustic waves and, thereby, generate a resultant acoustic and/or elastic wave to probe structures within the patient. Vibrations created by the scatter of the resultant wave are detected at the surface of the patient and ultrasound images of the structures within the patient may be generated. Detection of the vibrations may be performed using a laser vibrometer. The excitation and detection systems may be used separately or in combination. Ultrasound images can be generated without physically contacting the patient.

Abstract: This photoacoustic wave detector is provided with: an internal light source (212) that comprises an LED element (212a) to be inserted into the interior of a subject (P) and that irradiates an object to be detected (Q) within the subject with light emitted from the LED element; and an internal acoustoelectric conversion unit (22) that detects a photoacoustic wave generated at the object to be detected in the interior of the subject (150) and generates an internal detection signal that is based on the detection result of the photoacoustic wave (AW).

Abstract: Systems and methods are described for detecting heat stroke and monitoring cooling treatment of heat stroke. The system includes a rectal temperature probe including a flexible length and an indicator positioned on the flexible length to indicate when the probe has been inserted to a target insertion depth. A controller is configured to receive a signal from the probe indicative of a sensed temperature and to determine whether heat stroke is likely based on the sensed temperature. When monitoring cooling treatment, a cooling rate is calculated based on periodically sensed temperatures and, based on the calculated cooling rate, the system indicates whether the heat stroke is being adequately treated or if the current treatment methods are insufficient.

Abstract: Systems and processes are presented for real time health credentialing of individuals seeking entry to a facility requiring health credentialing for access. A system and process for real time detection of a febrile condition comprises providing a heat sensor operable to receive thermal radiation from a person. Optionally, the system provides a controller operable to selectively orient the thermal sensor incident to the facial region of a person within a zone of detection. Further, the system optionally processes the sensor temperature to conditionally determine a febrile condition.

Abstract: A front-end system collects diagnostically relevant information or data, including pulse waveform information, and optionally timing information, symptom information, and/or diagnostic information. One or more sensors or transducers detect pulse waveforms in a consistent manner, across various subjects and practitioners. A back-end system stores diagnostically relevant information and diagnostic information, typically for a large population of subjects and practitioners. The back-end system generates system generated diagnoses and/or suggested remedial actions based on submitted inquiries or requests. The back-end system can advantageously employ machine learning techniques to identify correlations between defining characteristics or features of pulse waveforms and diagnoses, over a large number of samples submitted by a substantial number of practitioners, for instance of traditional Chinese medicine. The back-end system can also employ primary and/or secondary symptoms in identifying correlations.

Abstract: Various system embodiments comprise a stimulator adapted to deliver a stimulation signal for a heart failure therapy, a number of sensors adapted to provide at least a first measurement of a heart failure status and a second measurement of the heart failure status, and a controller. The controller is connected to the stimulator and to the number of sensors. The controller is adapted to use the first and second measurements to create a heart failure status index, and control the stimulator to modulate the signal using the index. Other aspects and embodiments are provided herein.

Abstract: A heart rate monitor system (100) for monitoring a heart rate of a user is provided. The heart rate monitor system (100) comprises at least one primary heart rate sensor (110) for measuring or determining a heart rate of a user. The at least one primary heart rate sensor (110) has a first power consumption. The heart rate monitor system (100) also comprises at least one secondary sensor (120) for measuring at least one physiological factor influencing the heart rate of a user. The at least one secondary sensor (120) has a second power consumption which is lower than the first power consumption of the at least one primary heart rate sensor (110). The heart rate monitor system (100) further comprises a power management unit (160) for managing an operation and/or power consumption of the at least one primary heart rate sensor (110) based on information (126) from the at least one secondary sensor (120).

Abstract: A method and system for contactless detection and measurement of a variety of bodily functions and environmental conditions of and in the presence of an infant or other helpless individual, and for communication of measured data to a remote user and/or recording and/or interpreting apparatus. An apparatus that includes said detection, measurement, and communication means mounted within a small, attractive, and intrinsically safe enclosure that attaches to the clothing of the individual.

Abstract: In one embodiment of the invention, a cuff-less blood pressure measuring system is disclosed including cuff-less blood pressure scanner with a vital signs signal processor having an adaptive blood pressure model. A machine learning process is further disclosed to tune the adaptive blood pressure model of the cuff-less blood pressure measuring system to the user.

Abstract: A computer readable storage medium configured to cause a system to perform operations of computing the standard deviation of a plurality of K-1 most recent heart beat intervals and a current heart beat interval (I1) from a plurality of consecutive heart beat intervals, from a sum (S1) of K most recent heart beat intervals squared and the sum (S2) of the K most recent heart beat intervals and a Kth oldest heart beat interval (I2). The computer readable storage medium calculates an updated sum (S1?) of S1 minus I2 squared plus I1 squared and the updated sum (S2?) of S2 minus I2 plus I1, and a square root of the sum of the ratio of S1? to K and of the ratio of the square of S2? to the square of K.

Abstract: A method and system of detecting arrhythmia using photoplethysmogram (PPG) signal is provided. The method is performed by extracting photoplethysmogram (PPG) signals from a patient, extracting cardiac parameter from the extracted photoplethysmogram (PPG) signals, identifying presence of cardiac abnormalities as reinforcement filtering of detecting premature ventricular contraction and ventricular flutter from the extracted cardiac parameters, analysing the extracted cardiac parameters to investigate statistical trend and to perform statistical closeness approximation of the extracted photoplethysmogram (PPG) signals and predicting and subsequently classifying type of arrhythmia.

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: The device for non-invasive monitoring of intracranial pressure (1) includes a measuring mat (2), processor unit (3), displaying device (6) and a network connector (7). The measuring mat includes the processor unit (3) and sensors, at least one sensor (8) monitoring mechanical movement caused by the bloodstream dynamics. The ICP calculation methods use the Windkessel model and the relationship between the first and second signal, which is related to the reflection of the pulse wave in the head. The method of relative changes of the intracranial pressure is based on an analysis of the bloodstream dynamics using the Moens-Kortweg equation.

Abstract: This disclosure provides apparatus and methods for detecting pressure changes within a cavity of a patient. A pressure-sensing catheter comprises an elongate member and a monitor lumen. The pressure-sensing catheter may have a hollow pressure-compliant member in fluid communication with the monitor lumen and thereby define a fluid column. A connector apparatus can be in fluid communication with the monitor lumen, and can comprise a first complementary connector and a second complementary connector. One of the first complementary connector and the second complementary connector can have a pressurizing device that can displace a volume of fluid located within a bore of the other complementary connector into the fluid column, wherein the ratio of the volume of displaced fluid to the volume of the fluid column ranges from about 1:2 to about 1:4. The pressure catheter can comprise a radio-opaque band circumscribing the exterior of the elongate member.