81results about "Eye inspection" patented technology

The invention belongs to the technical field of brain function monitoring, and discloses a three-in-one non-invasive brain function monitoring system and method, a medium, equipment and application, and the monitoring method comprises the following steps: monitoring brain oxygen saturation of a critical patient; carrying out transcranial Doppler ultrasonic measurement on intracranial blood vessel blood flow velocity and ultrasonic measurement on the inner diameter of the optic nerve sheath; monitoring a quantitative electroencephalogram of the patient; various brain function monitoring series indexes and continuous changes of the indexes along with disease evolution are obtained, the pathogenic mechanism and pathogenesis of the indexes are found in time, and primary diseases and related complications of the primary diseases are treated. According to the invention, the brain oxygen saturation can avoid too low brain oxygen or low brain oxygen for a long time and too high brain oxygen due to oxygen utilization disorder; cerebral blood flow can be monitored through a transcranial Doppler (TCD) technology to find an optimal craniocerebral perfusion pressure (CPP), and a cerebral blood flow self-adjusting function is enabled to be in an optimal state; the electroencephalogram can avoid early warning of over-sedation or abnormal discharge and the like. Through organic combination of the three, noninvasive, real-time and dynamic monitoring of critical patients is realized.

The invention discloses a three-dimensional ultrasonic biological microscope automatic scanning device and an image processing system thereof, and relates to the technical field of ophthalmology imaging, the device comprises a base, a first axial motion module, a second axial motion module, a probe assembly and a motion controller; the base is fixedly connected with the first axial movement module; the other side of the first axial movement module is connected with the second axial movement module; the length direction of the first axial movement module is perpendicular to the length direction of the second axial movement module. The probe assembly is fixedly connected to the side, away from the first axial movement module, of the second axial movement module. The motion controller is installed on the base and electrically connected with the first axial motion module and the second axial motion module. The technical problems that an existing ultrasonic biological microscope scanning device is complex in structure, large in control difficulty and difficult in uniform imaging are solved. The scanning device is easy to assemble, high in maintainability, convenient to operate and more comprehensive, balanced and flexible in scanning.

The invention provides an optic nerve regulation and control system based on an ultrasonic technology, a first ultrasonic module is deployed on the outer side of a target human eyelid and is provided with an Archimedes spiral type first ultrasonic array facing the human eye, and the first ultrasonic array is configured to generate a gathered ultrasonic beam which acts on a human eye retina ganglion cell area in a targeted manner; the positioning module is deployed on the outer side of a target human eyelid and is configured to measure three-dimensional geometric data when a human eyeball horizontally faces the front and measure the depth distance of a human eye retina ganglion cell area in the human eye; the optic nerve response prediction module is pre-trained with an optic nerve response prediction model facing a target human body, and the optic nerve response prediction model is configured to adjust sound intensity output of the first ultrasonic array based on stimulation feedback prediction of human eye retina ganglion cells. According to the invention, the optic nerve regulation and control system satisfies non-intrusive, high-precision and self-adaptive requirements, and has optic nerve regulation and control and repair functions.

The present disclosure addresses the aforementioned drawbacks by providing systems and methods for securing electronic devices directly on-person in a way that facilitates extended wearing, while properly positioning the electronic device(s) for effective, extended, data gathering. In particular, an elastomer membrane may be utilized and coupled to the electronic device. An electronically-communicable or transmissible material may be arranged within the elastomer membrane. A bioadhesive layer may be coupled to the elastomer membrane on a side opposite to the electronic device and configured to couple the elastomer membrane to the subject.

To provide an ophthalmic ultrasound diagnostic device with excellent operability for measuring the eye under examination. [Solution] The ophthalmic ultrasound diagnostic device comprises a probe and a measuring instrument. The probe is configured to transmit ultrasound to the eye under examination and to receive the reflected ultrasound waves from the eye under examination. The measuring instrument is configured to output the length of a predetermined part in the eye under examination as a measured value when the received signal from the probe satisfies a plurality of predetermined conditions. The measuring instrument is configured to control the display device so that it displays the waveform of the received signal and an indicator image indicating the satisfaction level of the plurality of conditions, and switches the display mode of the indicator image according to the number of conditions that are satisfied among the plurality of conditions.

Provided is an ultrasound imaging apparatus and method of controlling the ultrasound imaging apparatus. The ultrasound imaging apparatus includes an ultrasound transceiver module, a display, an input interface, and at least one processor, wherein the at least one processor is configured to control the ultrasound transceiver module to transmit an ultrasound signal to a fetus and receive an ultrasound echo signal reflecting from the fetus, obtain ultrasound volume data of a face of the fetus based on the ultrasound echo signal, the ultrasound volume data including a lossy volume area where the ultrasound echo signal has a value equal to or less than a threshold value due to a strong reflector, display a two dimensional (2D) rendered image of the face of the fetus based on the ultrasound volume data and an ultrasound cross-sectional image of the face of the fetus through the display, the 2D rendered image including a lossy area not represented of the face of the fetus due to the lossy volume area, indicate an area to be restored among the lossy area on the 2D rendered image or the cross-sectional image of the ultrasound volume data, and restore the indicated area to be restored based on a user input to restore the 2D rendered image or the ultrasound cross-sectional image of the ultrasound volume data being received through the input interface. The ultrasound imaging apparatus may display a location of a landmark of a face on a 2D rendered image of the face of a fetus, and clearly enhance the shape of the landmark at the location of the landmark.

The invention discloses an ultrasonic probe, an ultrasonic system and a method thereof. For example, an ultrasound system may include a console and an ultrasound probe. A display of the console may be configured to display the ultrasound image and one or more stationary or moving images of the surgical region. The ultrasound probe may include a camera integrated into the ultrasound probe for recording one or more stationary or moving images of a surgical region, with a depth of field including a distal end of the probe and a field of view including a spatial region surrounding the probe. Through one or more stationary or moving images displayed with ultrasound images, a clinician does not have to frequently switch his or her spatial attention between spatial regions such as a surgical region and a display as existing ultrasound systems, thereby maintaining spatial attention in one or more spatial regions.

The invention relates to a computer implemented method for determining an access site (1) for an intravascular access for a surgical intervention, preferably executed on at least one control unit (2), the method comprising the steps: receiving two- or three-dimensional image data (3), positioning an imaging probe (5) by actuation of a positioning module (6) in a first orientation (51) based on the image data (3), moving the imaging probe (5) by actuation of the positioning module (6) based on the image data (3) in the first orientation (51) along the longitudinal axis (L) of the elongated bodily structure (4), analysing the received two- or three-dimensional image data in view of the presence of a landmark (7) of the elongated bodily structure (4), if no landmark (7) is detected repeating the prior steps, if a landmark (7) is detected based on the received image data (3) positioning the imaging probe (5) by actuation of the positioning module (6) based on the image data (3) from the first orientation (51) to a second orientation (52), and determining the access site (1) based on the image data (3) in the second orientation (52).

The disclosure provides systems, methods and materials useful for the noninvasive estimation of intracranial pressure. Embodiments of the invention include systems for estimating intracranial pressure in a subject which comprise a headset adapted to rest on the head and / or face of the subject and at least one sensing probe. In such systems, the sensing probe is coupled to the headset in an orientation such that the sensing probe can sense phenomena such as optic nerve diameter and / or optic nerve sheath diameter. In illustrative systems, the sensing probe is adapted to capture sensed parameters and the system then correlates one or more sensed parameters with intracranial pressure so as to estimate intracranial pressure in the subject noninvasively.

The invention relates to the technical field of endoscopes, and discloses a strabismus endoscope, an assembling method thereof and an endoscope system.The strabismus endoscope comprises an insertion part, the insertion part comprises a tip part, the tip part comprises a main body part, and the main body part comprises a mounting surface used for mounting a camera shooting unit and a lighting unit; the main body part comprises two mounting cavities, the mounting cavities comprise a first cavity and a second cavity, the first cavity is used for mounting the camera shooting unit or the lighting unit, the first cavity is provided with a first opening, the second cavity is provided with a second opening, and the camera shooting unit or the lighting unit can be mounted in the second cavity through the second opening and continuously mounted in the first cavity through the second cavity. According to the strabismus endoscope, the assembling method of the strabismus endoscope and the endoscope system, the problems that in the prior art, when the camera shooting unit and the lighting unit are installed in the tip part, operation is inconvenient, and the tip part is not prone to being decontaminated can be solved.

The application relates to an intraocular lens position deviation detection method, which comprises the following steps: generating simulated image data consistent with the anatomical structure of a real eye ultrasound image through a generative adversarial network, and mapping the coordinate labels of the real image to the simulated image by using the anatomical structure correspondence relationship to expand the training data set. Then, the expanded training data set is used to train a target detection model to obtain an intraocular lens position deviation detection model. Finally, the model is used to process the eye ultrasound image to be detected, relevant coordinate information is obtained, and position deviation information is calculated, so that the detection efficiency and accuracy are improved, and the batch detection requirement is met.

The application discloses a flexible ultrasonic patch for monitoring corneal elastic modulus and a preparation method thereof, the patch comprises, from top to bottom, a top flexible packaging layer, a top electrode layer, a piezoelectric layer, a bottom electrode layer, a bottom flexible base material isolation layer and a bottom flexible packaging layer; the piezoelectric layer is internally provided with an air column. Compared with a traditional medical hard probe for measuring corneal mechanical properties, the application has good flexibility, and the tensile property and bending resistance are greatly improved; the patch can be dynamically attached to the surface of an eyelid, and long-time corneal health monitoring of a human body can be realized; meanwhile, a non-invasive monitoring mode widens the application scene of the device, and real-time monitoring of corneal elastic modulus during a sleep process at night can be realized, and other eye features such as intraocular pressure can be further obtained.

The present invention addresses the technical problem of providing an ultrasonic ophthalmic tonometer that can use a plurality of ultrasonic wave elements to irradiate a subject's eye with ultrasonic waves of sufficient output for eye pressure measurement, and an ultrasonic ophthalmic tonometer control program. An ultrasonic ophthalmic tonometer that measures the eye pressure of a subject's eye using ultrasonic waves is characterized by comprising an imaging optical system that images the subject's eye, and an irradiation means that includes a plurality of ultrasonic wave elements and a support member that supports the ultrasonic wave elements, and that irradiates the subject's eye with ultrasonic waves, the support member having an opening portion for passing the optical axis of the imaging optical system.

A non-contact type ocular physical property measuring device 1 of this invention comprises: an excitation part 102 that excites at least one or more excitation points on an eyeball by using an irradiation wave to generate a surface wave on a surface of an eye to be examined; a detection part 103 that detects the surface wave generated by the excitation part 102 at at least one or more detection points, which are different from the excitation points, on the eyeball; a surface wave processing part 208 that analyzes the surface wave detected by the detection part 103; and an ocular physical property calculation part 209 that calculates physical properties of the eyeball based on the analyze result by the surface wave processing part 208. With this configuration, the ocular physical property measuring device 1 according to the present invention can measure an intraocular pressure and so on using surface waves generated on the eyeball surface intentionally by the excitation part 102 without any vibration of the eyeball itself or the cornea itself. As a result, it is possible to measure intraocular pressure, Young's modulus, shear modulus, viscosity, etc. of ocular tissue without the examinee feeling any discomfort.

To provide an apparatus for diagnosing or treating an eye condition.SOLUTION: An apparatus used for diagnosing or treating an eye condition of an eye of a patient using a detector arrangement includes an enclosure which is configured to be placed on the upper side of the eye for forming a cavity and forms a cavity environment on the upper side of the eye, and a sealable port which is arranged on the surface of the enclosure, and configured to form a seal between the enclosure and the detector arrangement when the detector arrangement is inserted at least partially to the cavity through the sealable port in order to arrange the detector arrangement near the eye. The detector arrangement is configured to detect at least one of the index mark of the eye and the index mark of the cavity environment on the upper side of the eye.SELECTED DRAWING: Figure 3

The invention discloses a non-contact eye infrared thermal imaging and Doppler radar combined scanning device which comprises a base, a hydraulic telescopic cylinder is arranged on the base, a supporting beam is fixedly arranged on a telescopic rod of the hydraulic telescopic cylinder, and a cantilever is rotationally arranged at the end, away from the hydraulic telescopic cylinder, of the supporting beam. A sliding block is arranged on the cantilever in a sliding mode in the length direction of the cantilever, a support is fixedly connected to the lower portion of the sliding block, and a scanning device is rotationally arranged on the support; the infrared thermal image sensor and the Doppler wireless radar sensor are combined to scan the eyes, the infrared thermal image sensor and the Doppler wireless radar sensor serve as the front end of a diagnosis and treatment system and play a role in data collection, direct contact with the eyes is not needed in the whole scanning process, and the comfort level and safety of a patient are higher; universal adjustment can be performed according to sitting postures or lying postures of patients, and the scanning device can be adjusted according to different distances between eyes of different patients; the power is extremely low, no harm is caused to a human body during working, and working is safe, reliable and stable.

A method and system for selecting an intraocular lens, the system having a controller having a processor and tangible non-transitory memory. A plurality of machine learning models are selectively executable by the controller. The controller is configured to receive at least one pre-operative image of the eye and extract a first data set via a first input machine learning model. The controller is configured to receive a plurality of biometric parameters of the eye and extract a second data set via a second input machine learning model. The first data set and the second data set are combined to produce a hybrid data set. The controller is configured to generate at least one output factor based on the hybrid data set via an output machine learning model. An intraocular lens is selected based in part on the at least one output factor.

The present disclosure provides devices, systems and methods for treating eye disorders by delivering ultrasound energy. Specifically, methods for reducing or reversing retinal ganglion nerve layer (RNFL) thinning are provided.

The invention provides a scleroscope device for noninvasive monitoring of an aqueous humor outflow coefficient, a monitoring method and a system, relates to the technical field of medical monitoring equipment for the ophthalmology department, and solves the problems that an aqueous humor outflow coefficient measuring method in the prior art is high in invasiveness, incapable of achieving continuous monitoring, insufficient in precision and poor in data synchronism. The sclera lens device comprises a sclera lens, the sclera lens comprises a central area, an edge landing area and a transition area connecting the central area and the edge landing area, and the edge landing area is used for making contact with the sclera of a user and providing support for the transition area and the central area; the phased array transducer matrix comprises a plurality of transducers which are annularly distributed in the transition area; the dynamic deflection control module is arranged in the transition area and is electrically connected with each transducer so as to control the excitation time delay of each transducer; the intraocular pressure monitoring module is arranged in the central area; and the signal processing module is arranged in the transition area.

The invention discloses an ophthalmology ultrasound RF signal enhancement method and device and a model training method and device, and relates to the technical field of ophthalmology ultrasound and the technical field of deep learning, and the method comprises the steps: obtaining to-be-enhanced ophthalmology ultrasound RF signal data of a target object, the to-be-enhanced RF signal data is obtained by performing ophthalmologic ultrasonic scanning on eyeballs of a target object through eyelids by adopting high-frequency pulse sound waves; rF signal data to be enhanced are input into a pre-trained signal enhancement model, blind deconvolution calculation is carried out on the RF signal data to be enhanced, obtained output serves as enhanced RF signal data, and the signal enhancement model is a deep learning model. By the adoption of the scheme, the comfort level of a patient during anterior segment ophthalmic ultrasonic examination is improved, and the examination efficiency is improved.

Apparatus and method for white blood cell counting in extravascular body fluids. The apparatus (100) comprises an ultrasound device (110) for obtaining ultrasound images (117) from a body or sample, and an image processing device (120) configured to analyse the ultrasound images (117) to determine a level of attenuation (123), modify a parameter of an excitation signal (113) of the ultrasound device (110) until the level of attenuation (123) is within a predetermined range, and then estimate a concentration of white blood cells (130) from the ultrasound images (117) using a first convolutional neural network (127) trained with images with an assigned ground truth concentration. The apparatus (100) may also analyse the ultrasound images (117) to determine an effective focal position (610) and modify the focal position of the ultrasound signal (115), by actuating a focusing unit (602) of the ultrasound device (110), until the effective focal position (610) is within a range.

The invention discloses a cornea thickness meter and a cornea thickness measuring method, and relates to the technical field of cornea thickness meters, the cornea thickness meter comprises a lower base, an upper base, a thickness meter, a face limiting frame, a transverse adjusting assembly and a face adjusting assembly; an optical transmitting module, an optical receiving module, an ultrasonic auxiliary module and a data processing module are arranged in the thickness meter, a physical positioning mark is formed through high-frequency ultrasonic waves to determine an optical measurement area, and cornea stimulation and measurement deviation are avoided; the transverse and face adjusting assemblies are matched with a distance sensor to achieve automatic and accurate adjustment of the head position of a tester, and in addition, the data processing module is combined with wavelet filtering, an FFT algorithm and a curvature correction formula to achieve real-time processing of multi-channel signals and accurate calculation of the thickness; the problems of measurement deviation and data processing delay caused by low manual adjustment precision and irregular cornea surface of a traditional thickness gauge are effectively solved, and the cornea thickness gauge has the advantages of operation convenience, measurement accuracy and data management convenience.

We are presenting a system, and an apparatus for fluorescence imaging, detection and spectroscopy. The device also comprises OCT (Optical Coherence Tomography) imaging. The device can be used for diagnosis, imaging, measurements, evaluation or therapy. The device can be used for ophthalmic imaging and / or diagnosis, or retinal imaging and / or diagnosis. The apparatus and system can be used for the measurement and imaging of the eyes of humans as well as the animals.

An ophthalmic system for visualizing interaction between an ocular matter and a probe tip of a probe within or in contact with an ocular space of an eye includes a visualization tool having a field of view that encompasses at least a portion of the ocular space of the eye at an interface of the probe tip and the ocular matter, and a stroboscopic illumination source configured to stroboscopically illuminate the at least the portion of the field of view at an illumination frequency. A method for operating a stroboscopic illumination source during an ophthalmic procedure includes identifying an illumination source type of the stroboscopic illumination source, identifying a probe type, identifying a first procedure trigger, and operating the stroboscopic illumination source based on the probe type, the illumination source type, and the first procedure trigger.

This application provides a method, apparatus, electronic device, and storage medium for determining the morphology of the anterior chamber angle. The method first acquires UBM images of the left and right eyes and segments the cornea, iris, and lens. Then, it calculates the closest and furthest distances between the first iris and the corneal reference center point in the target direction, and determines whether an anterior chamber angle is closed or open based on the ratio of the two distances and a first threshold. This method transforms the angle problem into a distance problem for measurement, thus making the determination result more accurate, simple, and efficient. When the first anterior chamber angle is open, the first anterior chamber angle is corrected based on the second initial angle of the mirrored second anterior chamber angle and the mirror similarity between the left and right eye UBM images to obtain the target angle. Then, it determines whether it is a narrow angle or an open angle based on the target angle and the second threshold. Since the target angle integrates mirror and similarity factors, the error is effectively reduced, and the determination accuracy is significantly improved.

The utility model discloses an ophthalmology department recumbent position examination auxiliary device which comprises a head bearing pad (1) and a chest bearing pad (2) which are connected, the head bearing pad (1) is low in the middle and high in the two sides, and the head bearing pad (1) is further provided with a forehead fixing band (3); and a detachable movable pad (21) is arranged in the middle of the chest supporting pad (2). According to the ophthalmology clinostatism examination auxiliary device, the movable cushion can be placed or detached according to whether a patient humpbacks or not so as to adapt to fluctuation of the back of the patient and help the patient lie down more comfortably and stably for clinostatism examination, meanwhile, the head of the patient can be fixed through the head supporting cushion through the forehead fixing belt, and examination can be conducted smoothly.

The embodiment of the invention provides an ophthalmic ultrasonic imaging scanning device, which comprises a scanning mechanism and a plurality of ultrasonic transducer units arranged on the scanning mechanism, and is characterized in that the scanning mechanism is used for controlling the plurality of ultrasonic transducer units to scan according to a preset mode so as to synchronously scan and image at least part of each meridian plane in a plurality of different meridian planes of an eyeball to be detected, each ultrasonic transducer unit comprises at least one transducer and is used for transmitting an ultrasonic signal and receiving an echo signal of the transmitted signal, and the planes where the scanning tracks of all the ultrasonic transducer units are located are collinear. According to the invention, synchronous scanning of at least part of each meridian plane in a plurality of different meridian planes of the eyeball to be detected is realized, the scanning speed is improved, and the ultrasonic scanning time is greatly shortened.

The invention provides a three-dimensional high-frequency ultrasonic ophthalmic examination device and method, equipment and a medium. The three-dimensional high-frequency ultrasonic ophthalmic examination device comprises a mechanical arm, an ultrasonic probe and a host, wherein the ultrasonic probe is clamped at the tail end of the mechanical arm; in the dragging mode, the mechanical arm moves to adjust the position of the ultrasonic probe; in an imaging mode, the mechanical arm locks the joint so as to keep the position of the ultrasonic probe unchanged; and in the scanning process, the host sends a trigger signal to the ultrasonic probe, so that the ultrasonic probe performs rotary scanning imaging, records the real-time angle of the micro motor, emits an acoustic beam and records an echo signal until the whole scanning process is completed. And after scanning is finished, signal processing and image reconstruction are carried out. According to the invention, scanning and reconstruction of eyeballs are realized by using a linear array ultrasonic probe rotation mode. The result can visually present the spatial form of the eye structure and the relationship between the eye structure and surrounding tissues, the limitation that traditional two-dimensional ultrasound depends on doctor imagination splicing is changed, and the diagnosis precision of diseases such as glaucoma, intraocular tumors and complex retinal detachment is improved.