Abstract: An optical system for an endoscope, the optical system including: a distal optical assembly; a proximal optical assembly; and at least one elongated bar-shaped fixing element; wherein the proximal optical assembly is fastened to the distal optical assembly by the fixing element.

Abstract: An overtube device and an endoscope assembly are provided, the overtube device includes an overtube body having a proximal end and a distal end, the overtube body is provided with a bore which extending from the distal end to the proximal end of the overtube body, the bore is configured to allow a passing portion of the endoscope assembly to pass therethrough; a pulling lumen is formed in the overtube body, which extends from the distal end to the proximal end of the overtube body, the pulling lumen is configured to allow a pulling part to pass therethrough, and the distal end of the pulling part is fixed with the distal end of the overtube body.

Abstract: Introduced here is an ingestible device comprising a capsule having a central axis therethrough, at least one propulsion component, and at least one motor configured to supply motive power to the propulsion component(s). The propulsion component(s) may be disposed at locations radially offset from the central axis. Upon receiving input indicative of a request to alter a position and/or an orientation of the ingestible device, the motor(s) can supply motive power to some or all of the propulsion component(s) to cause movement of the ingestible device.

Abstract: Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.

Abstract: Introduced here is an ingestible device comprising a capsule, a camera, an antenna, and a propulsion component. The camera can capture images of various in vivo environments as the ingestible device traverses the gastrointestinal tract, and these images can be wirelessly transmitted to an electronic device located outside of the living body. The images may be transmitted to the electronic device for review by an operator responsible for controlling the ingestible device.

Abstract: Introduced here is an ingestible device that can comprise a capsule, an intervention tool, and a processor configured to controllably employ the intervention tool to manipulate structures in a living body. The ingestible device may further comprise a camera that is configured to generate images of various in vivo environments as the ingestible device traverses the living body. These images may be wirelessly transmitted to an electronic device located outside of the living body to enable greater control over the intervention tool.

Abstract: Improved fluoresced imaging (FI) endoscope devices and systems are provided to enhance use of endoscopes with FI and visible light capabilities. An endoscope device is provided for endoscopy imaging in a white light and a fluoresced light mode. A chromatic adjustment assembly, typically implemented with prisms, compensates for a chromatic focal difference between the white light image and the fluoresced light image caused by the dispersive properties of the optical materials or optical design employed in the construction of the optical channel. The assembly is placed optically between the most proximal rod lens of the endoscope and the focusing optics, typically at an internal telecentric image space, to improve the chromatic correction. The prism assembly directs incoming light with different spectral content along separate paths which compensate for chromatic aberration.

Abstract: Consistent with the present disclosure, a detection system is adapted to perform methods for detecting defects in medical devices, during a reprocessing procedure, for example. The detection system may utilize computer-implemented instructions to determine the presence and nature of the defects, whether biological or mechanical, for example. The computer-implemented instructions may be adapted to include artificial intelligence and/or machine learning algorithms, and process image data from currently available digital inspection camera systems or proprietary camera systems, as desired. Upon identification of a defect present in a medical device, the detection system may notify users of the presence of the defect, as well as provide further recommended action to be taken regarding the medical device, if desirable, reducing potential instrument failure, patient injury or death.

Abstract: A medical observation system according to the present invention includes: an observation optical system configured to guide an observation light from a subject; an imaging unit configured to receive an observation light from the observation optical system and generate an image signal; and an image processing unit configured to apply signal processing to the image signal generated by the imaging unit, wherein the image processing unit includes a filter detection unit configured to detect, based on a signal value of a color which includes a wavelength band of a specific light in a preset wavelength band of the image signal, whether or not an observation-side filter for cutting the specific light is disposed on an optical path of the observation light.

Abstract: It is an object to provide an endoscope having high chemical resistance and easy wiring. The endoscope includes: an imaging device provided at a distal end portion of an insertion part to be inserted into a subject. The imaging device includes a solid-state imaging element having an image receiving surface which is disposed to intersect with a longitudinal direction of the insertion part and photoelectrically converting an optical image formed on the image receiving surface, a cable bundle including one or more coaxial cables respectively connected to one or more connection terminals provided on a surface of the solid-state imaging element opposite to the image receiving surface, and a collective shield wire that covers an outer periphery of the one or more coaxial cables, and a metallic pipe-shaped member into which the cable bundle is inserted.

Abstract: An endoscope having a tip part including an exterior housing including a circumferentially extending side wall with a proximal opening, the circumferentially extending side wall defining an interior space with an air volume; a camera assembly positioned in the interior space so that the air volume envelops at least the distal portion of the camera assembly; and an interior housing part including a circumferentially extending closure surface and a circumferentially extending attachment surface, the interior housing part being positioned in the proximal opening; wherein the exterior housing and interior housing part are formed as separate prefabricated components, wherein the closure surface is configured for closing the proximal opening of the exterior housing so as to liquid-seal the air volume in the tip part, and wherein the attachment surface extends proximally from the proximal opening and is configured for attaching the interior housing part to another element of the tip part.

Abstract: A portable endoscopic inspection system comprises an endoscope having a proximal end with a flanged eyepiece for observation and a distal end with a lens assembly for insertion into a region of interest. A light port transports incident light to the region of interest along an lighting pathway, and reflected light is transported along an imaging pathway from the lens assembly to the eyepiece. A wireless imaging unit comprises a light source which detachably couples to the light port for generating the incident light, and an imaging sensor for recording images of the reflected light from the eyepiece. The wireless imaging unit comprises a variable coupling system which mechanically couples the imaging sensor to the flanged eyepiece independent of the shape and/or size of the flange of the eyepiece.

Abstract: Dental retraction and isolation devices disclosed herein simultaneously isolate at least a portion of a maxillary dental arch and at least a portion of an opposing mandibular dental arch, along with the gingivae near the gumline, while gently retracting a patient's tongue, cheek and lips. All procedures in operative dentistry and fixed prosthodontics can be performed using these devices, but they are particularly useful where access to the gingiva is necessary or desirable, where a dry field is crucial for bonding success, and/or where occlusion and masticatory movement in a dry field are advantageous. The devices can be deployed in seconds and stay in place without clamps, ligatures or wedges, and because the devices are fabricated from soft, pliable materials, they reduce tissue damage and conform to oral surfaces.

Abstract: An intraoral scanner includes a device body and a connection portion. The device body has a heat-dissipating structure and a first electrical connection port. The connection portion is detachably connected to the device body and includes a second electrical connection port and a fan. The second electrical connection port is electrically connected to the first electrical connection port. The fan generates an airflow that flows through the heat-dissipating structure.

Abstract: A light source control device includes: a light source configured to intermittently emit pulse light; and a hardware processor configured to detect a vocal cord vibrational frequency of a subject based on a voice signal input from an external device, determine whether or not the vocal cord frequency is equal to or greater than a threshold value, and change a light emission frequency of the pulse light in one frame period based on image brightness based on an image signal when the vocal cord frequency is equal to or greater than the threshold value, and prohibit change in the light emission frequency and change the pulse width of the pulse light emitted by the light source based on the image brightness when the vocal cord frequency is not equal to or greater than the threshold value.

Abstract: A video and still frame camera for medical use is described. In some embodiments, the camera is sized to be used in orthopedic surgery. The camera comprises a lens that converts the light signals into electrical signals, processing components for the electrical signal, and a wireless transmitter for transmitting the camera images.

Abstract: Devices used during minimally invasive surgery (sometimes called minimal access surgery or laparoscopic surgery) for implantation and fixation of various cameras, for example, to the human body. An insertable device including a housing divided into two sections, a camera, a sensor, at least two LED lights, a lens flush located above the camera lens to clean a lens of the camera, and a motor for moving the camera in relation to the housing with pan and tilt capabilities. An insertion tool for inserting devices including a cannula, a top housing, and a bottom, wherein the bottom couples with the insertable device. A capture and fixation device for capturing and fixing an insertable device to an internal body cavity wall, the device includes a cannula, at least one slideable clamp device, and a retractable loop. Once the insertable device is positioned, the retractable loop fixes the insertable device to the body cavity wall.

Abstract: Devices used during minimally invasive surgery (sometimes called minimal access surgery or laparoscopic surgery) for implantation and fixation of various cameras, for example, to the human body. An insertable device including a housing divided into two sections, a camera, a sensor, at least two LED lights, a lens flush located above the camera lens to clean a lens of the camera, and a motor for moving the camera in relation to the housing with pan and tilt capabilities. An insertion tool for inserting devices including a cannula, a top housing, and a bottom, wherein the bottom couples with the insertable device. A capture and fixation device for capturing and fixing an insertable device to an internal body cavity wall, the device includes a cannula, at least one slideable clamp device, and a retractable loop. Once the insertable device is positioned, the retractable loop fixes the insertable device to the body cavity wall.

Abstract: Systems and methods for determining a compatibility between a multi-focal contact lens and a patient seeking presbyopia vision correction include receiving, from a first device associated with a first eye-care professional (ECP), a request for selecting a contact lens for a consumer, wherein the request comprises biometric information associated with the consumer; obtaining a performance metric associated with the first ECP; determining, using the machine learning model and based on the performance metric, a customized compatibility index indicating a compatibility between a particular contact lens and the consumer for the first ECP; and presenting a report indicating the compatibility index on the first device. Additional systems, methods, and non-transitory machine-readable mediums are also provided.

Abstract: A method for thickness measurement of a multi-layer object combines frequency analysis and a theoretical model. The frequency analysis is used to determine the thickness of a thicker layer of the object. The theoretical model is used to determine the thickness of the thinner layer of the object.

Abstract: An ophthalmic imaging device (300) includes a fundus module (210) and a slit lamp 5 module (220) movably coupled to each other. The fundus module (210) includes an illumination module (230) and an imaging module (240). The illumination module (230) is adapted to yield a first partially blocked beam. The imaging module (240) includes a mirror (324) with a hole and an objective lens (326) to produce a reflected first partially blocked beam and a second partially blocked beam, to form a cornea 10 illuminating doughnut (502) and pupil illuminating doughnut (504), respectively, on an anterior region of the eye and form an image of the posterior\\region of the eye on an image plane (346). The slit lamp module (220) is adapted to view and capture the image of anterior and posterior regions of the eye.

Abstract: Systems and methods are disclosed to inspect an eye includes capturing an eye image using a mobile device camera; extracting features of the eye; applying a deep learning neural network to detect potential eye damage; and reporting the potential eye damage for treatment, such as those from laser pointers, among others.

Abstract: A computer implemented method, system and device are provided. The method transmits an energizing signal from an external antenna, coupled to a local external device (LED), to an implanted antenna of a passive implanted medical device (PIMD). The energizing signal is transmitted while the external antenna is at first and second positions. The method receives, at the external antenna, first and second energy transfer characteristic (ETC) values associated with the first and second positions, respectively. The method is under control of one or more processors configured with program instructions. The method analyzes the first and second ETC values to determine a difference therebetween. The method provides an energy transfer level (ETL) indicator based on the difference between the first and second ETC values. The ETL indicator provides feedback regarding a degree of energy transfer associated with at least one of the first and second positions.

Abstract: A wireless system comprising a first wireless device and a second wireless device. The first wireless device is configured to operate with less than 15 milliamperes of current. The second wireless device has an internal power source and is configured to transmit one or more radio frequency signals to the first wireless device. The first wireless device is configured to receive the one or more radio frequency signals from the second wireless device. The first wireless device is configured to harvest energy from the one or more radio frequency signals. The first wireless device is enabled for operation after a predetermined amount of energy is harvested from the one or more radio frequency signals. A communication handshake occurs between the first and second wireless devices to indicate that the first wireless device is in communication with the second wireless device. The first wireless device is configured to perform at least one task from harvested energy.

Abstract: Provided is a neuroprotection apparatus including a scalp temperature measurement acquisition device for acquiring scalp temperature measurements at a plurality of locations on a patient's scalp during an induced hypothermia and a neuroprotection processor for processing the scalp temperature measurements for determining real time patient temperature information for display on a human head image on a display device during the induced hypothermia.

Abstract: This camera apparatus is provided with: a camera head that is able to perform imaging based on visible light having entered a medical optical device from a target portion of a subject to whom a florescence agent has been administered in advance and imaging based on fluorescence having entered the medical optical device from the target portion; and an image processing unit that, after amplifying the intensity of a fluorescence image inputted from the camera head and increasing the contrast between a black part and a white part in the fluorescence image, executes nonlinear conversion processing for the amplified fluorescence image, superimposes the fluorescence image having undergone the nonlinear conversion processing onto a visible image obtained by the imaging based on visible light, and generates a superimposed image for being outputted to an output unit.

Abstract: An apparatus is for use in detecting atherosclerotic plaques. The apparatus includes an electronic processing device that determines a level of fluorescence sensed by a sensing device at a second infrared wavelength in response to exposure of at least part of an artery to radiation at a first infrared wavelength and determines a fluorescence indicator using the level of fluorescence. The fluorescence indicator is indicative of the presence, absence or degree of an atherosclerotic plaque.

Abstract: An apparatus for determining a soft tissue/hard tissue interface including an optical coherence tomography system comprising at least one optical fiber for emitting and receiving detection light; and a probe including a gripping portion, and a signal delivery portion housing the at least one optical fiber, the delivery portion having a distal end portion, the distal end portion being bent such that an end face of the delivery portion generally faces an investigation region when in use. An apparatus for inspecting a soft tissue/hard tissue interface including an optical coherence tomography system comprising at least one optical fiber for emitting and receiving detection light; an near-infrared probing system operatively connected to the at least one optical fiber, the near-infrared probing system emitting at least a wavelength adapted for detecting a pre-determined condition.

Abstract: Some aspects relate to systems, devices, and methods of assessing heart rate recovery. A heart rate of a patient may be measured during a plurality of heart rate recovery events. Each of the plurality of heart rate recovery events comprises a duration of time after an activity resulting in an elevated heart rate. Heart rate recovery information may be determined based on the measured heart rate during each of the plurality of heart rate recovery events and a cardiac status of the patient may be generated from the determined heart rate recovery information over the plurality of heart rate recovery events.

Abstract: The present specification describes methods and systems for monitoring changes in physiological data, such as electrocardiogram data, respiration data, and blood pressure data, as a consequence of a change in position or movement of a subject under observation. Embodiments of the present specification provide systems for detecting and processing motion data by utilizing an available physiological monitoring device, with minimal additions of cost and equipment. A connecting wire is used to add a motion sensor to an existing physiological monitoring device. The connecting wire provides a channel for powering the motion sensing device as well as communication of data to and from the motion sensing device. Preferably, the motion sensor is embedded into the wire.

Abstract: An apparatus, system, and method for monitoring a person suffering from a chronic medical condition predicts and assesses physiological changes which could affect the care of that subject. Examples of such chronic diseases include (but are not limited to) heart failure, chronic obstructive pulmonary disease, asthma, and diabetes. Monitoring includes measurements of respiratory movements, which can then be analyzed for evidence of changes in respiratory rate, or for events such as hypopneas, apneas and periodic breathing. Monitoring may be augmented by the measurement of nocturnal heart rate in conjunction with respiratory monitoring. Additional physiological measurements can also be taken such as subjective symptom data, blood pressure, blood oxygen levels, and various molecular markers. Embodiments for detection of respiratory patterns and heart rate are disclosed, together with exemplar implementations of decision processes based on these measurements.

Abstract: Disclosed is an electronic device comprising a processor and at least one sensor circuit comprising at least a biometric sensor and a fatigue sensor. The processor may be configured so as to detect biometric data of an external object by means of the biometric sensor, detect fatigue data of the external object by means of the fatigue sensor if the biometric data exceeds a designated second range, and output, by means of a designated external device, a fatigue notification indicating a fatigued state if the fatigue data exceeds a designated third range. Other various embodiments identified in the description are possible.

Abstract: A system to measure blood pressure of a person comprises a software that is configured to obtain two or more sensor information from one or more sensor near simultaneously. The sensor information comprises data points, from which at least one data feature can be derived. Based on the data features derived from the data points, a value of the cardiovascular time delay can be derived. The system can further derive a blood pressure value based on the cardiovascular time delay, and provide the value of the blood pressure, the cardiovascular delay, or other metrics derived from the cardiovascular delay to a user. The sensors can be placed in one or more mobile or wearable devices, which can communicate with each other wirelessly.

Abstract: Various embodiments provide a wellness tracking device with a base plate that may be utilized as a combination electrode by a variety of sensors. The base plate may be a multi-material electrode that includes a conductor and a transparent or semi-transparent material to enable optical sensing. In certain embodiments, the base plate supports a plurality of different sensors, which may selectively utilize the base plate as an electrode.

Abstract: Methods and systems for facilitating assessment of blood flow in a tissue volume of a subject are disclosed. In some variations, the method may include: after a predetermined amount of a fluorescence agent has been administered to the subject, exciting the fluorescence agent in the tissue volume such that the excited fluorescence agent emits fluorescent light, acquiring fluorescence data based on the fluorescent light emitted during blood flow through the tissue volume, estimating a molar concentration of the fluorescence agent in the blood flowing through the tissue volume, and generating an assessment of blood flow in the tissue volume based at least in part on the fluorescence data and the estimated molar concentration of the fluorescence agent. The estimated molar concentration may be based on the predetermined amount of the fluorescence agent and an estimated circulating blood volume of the subject.

Abstract: A cuff unit of the present invention includes a first wall and a second wall that face each other with an object which has a rod shape interposed therebetween, an actuator that is capable of moving the first wall and the second wall in parallel with each other in a direction in which the first wall and the second wall relatively approach each other or separate from each other, a pressing fluid bag that is provided on a surface of the first wall on a side facing the object and that receives supply of a fluid from outside to inflate and press the object, and a restraining fluid bag that is provided on a surface of the second wall on a side facing the object and that receives supply of a fluid from outside to inflate along the periphery of the object.

Abstract: A blood pressure monitoring system is for mounting around a body limb or digit, in which an array of electroactive material actuators provides an inward force. One or more electroactive material actuators are identified which are best located for performing blood pressure monitoring and these are then used to apply a pressure. By performing pulse monitoring while controlling the identified one or more electroactive material actuators, the blood pressure may be determined.

Abstract: A MIMO radar apparatus using correlated motion decomposed from reflectance data of multiple time frames to enhance discriminatory capacity in imaging. The MIMO radar apparatus includes power saving measures and has application in tracking temporal patterns of respiratory and cardiac activities in addition to recognition of targets within non-stationary environments.

Abstract: Provided are electrodes that comprise MXene materials as well as related methods of using the disclosure electrodes in neural and other monitoring applications.

Abstract: A catheter adapted or high density mapping and/or ablation of tissue surface has a distal electrode array with offset spine loops, each spine loop having at least a pair of linear portions and a distal portion connecting the pair of linear portions, and one or more electrodes on each linear portion. The linear portions of the plurality of offset spine loops are arranged in-plane a single common plane, and the distal portions of the plurality of offset spine loops are arranged off-plane from the single common plane.

Abstract: A neurophysiological monitoring system includes at least one surgical instrument having at least one magnetometer and a control unit configured to receive magnetic field data generated by the at least one magnetometer. The control unit may provide stimulation to a nerve at a known stimulation time and receive magnetic field data from the at least one magnetometer indicative of a response to stimulation of the nerve at a receive time. An interpretation of the magnetic field data based upon the receive time and the stimulation time may be generated.

Abstract: An ergonomic and unobtrusive cardiac monitoring and treatment device for continuous wear includes a band, ECG sensing electrodes and treatment electrodes configured to deliver an electrotherapy, one or more sensor ports for receiving one or more physiological sensors, and a controller for analyzing an ECG signal of a patient and causing a delivery of electro therapy. The band is configured to be worn about a thoracic region and has a vertical span of between about 1 to about 15 centimeters. The band is configured to be immobilized relative to a skin surface of the thoracic region of the patient by exerting one or more compression forces against the thoracic region. The device can include at least two separate wearable portions comprising a band portion including ECG sensing electrodes and/or other physiological sensors, and a second wearable portion optionally separable from the band portion, the second wearable portion including treatment electrodes.

Abstract: The present invention provides a simulator device (1) mimicking human tissue for calibrating a medical or non-medical device (2). The simulator device (1) comprises at least one optically active foil (3a-d) for dynamically varying optical tissue properties, at least one skin-mimicking area (4a-d) arranged on top of said at least one optically active foil (3a-d), wherein said skin-mimicking area (4a-d) is arranged for receiving said medical or non-medical device (2) during said calibration, and wherein said at least one optically active foil (3a-d) is further configured for absorbing and reflecting light emitted by said medical or non-medical device (2) during said calibration depending on a voltage applied to said optically active foil (3a-d).

Abstract: Sensor apparatuses, methods of operating the sensor apparatuses, and systems including the sensor apparatuses are disclosed. Methods of analyzing electromechanical characteristics of a heart are also disclosed.

Abstract: Provided is a wireless 12-lead or multiple unipolar-lead electrocardiograph system without cable connection between a measurement electrode and device body. The present invention includes: a measurement electrode that acquires an electrocardiographic signal of a subject 150; a Wilson terminal 180 that is connected to the measurement electrode and forms an indifferent electrode; and an electrocardiograph body 300 that generates an electrocardiogram. The measurement electrode has: active measurement electrodes 200A-200F, 200H, 200J that wirelessly communicate with the electrocardiograph body 300; and passive measurement electrodes 200G, 200I that are connected to the active measurement electrodes 200A-200F, 200H, 200J and the Wilson terminal 180. The electrocardiograph body 300 generates the electrocardiogram on the basis of a lead signal sent by the active measurement electrodes 200A-200F, 200H, 200J.

Abstract: A device for exploring the visual system, comprising portable viewing equipment having at least one viewing screen configured to be placed facing at least one eye of a person. The viewing equipment comprises sealing lips surrounding the viewing screens and having a free edge intended to be applied against the skin of the person, this free edge comprising at least one electrode for measuring the electrical potential. The device also comprises at least one free electrode for measuring the electrical potential, which free electrode is linked by a connecting wire to a connector carried by the viewing equipment, between one of the viewing screens and the free edge of the sealing lips surrounding this screen.

Abstract: As one example, a fluid monitoring apparatus includes a dielectric microsensor that includes a capacitive sensing structure integrated into a microfluidic channel. The microfluidic channel includes a fluid input to receive a sample volume of a sample under test (SUT). A transmitter provides an input radio frequency (RF) signal to an RF input of the microsensor. A receiver receives an output RF signal from the microsensor. A computing device computes dielectric permittivity values of the SUT that vary over a time interval based on the output RF signal. The computing device may determine at least one permittivity parameter based on the computed dielectric permittivity values over at least a portion of the time interval.

Abstract: A computing device: compares an anatomical magnetic resonance (MR) image of a patient region and reference anatomical data associated with the region to determine a first transform of a bore anatomical coordinate space of the anatomical MR image to a patient anatomical coordinate space associated with the patient; determines, from the first transform, a second transform of a bore DWMR coordinate space of a DWMR image to a patient DWMR coordinate space associated with the patient, the anatomical and the DWMR images being in respective bore coordinate spaces associated with a bore of an MR device which acquired the anatomical and the DWMR images; transforms, using the second transform, the DWMR image to the patient DWMR coordinate space; and controls a display screen to render the DWMR image, as transformed, according to visual attributes associated with the patient DWMR coordinate space.

Abstract: In the field of MRI, a model-based MRI image reconstruction technique is provided. The model-based reconstruction technique increases the performance of Time-of-Flight MRA. In a learning phase, a model is calculated from a sufficiently large set of data acquired at both low and high magnetic fields, using deep learning strategies. In a clinical phase, the model is applied to measured data generating high MR image quality.

Abstract: The invention provides for a medical imaging system (100, 300, 500) comprising a processor (104). Machine executable instructions cause the processor to: receive (200) magnetic resonance data (120) comprising discrete data portions (612) that are rotated in k-space; bin (202) the discrete data portions into predetermined motion bins (122) using a motion signal value; reconstruct (204) a reference image (124) for each of the predetermined motion bins; construct (206) a motion transform (126) between the reference images; bin (208) a chosen group (610) of the discrete data portions into a chosen time bin (128). Generate an enhanced image (130) for the chosen time bin using the chosen group of the discrete data portions and the motion transform of each of the chosen group to correct the discrete data portions.