142results 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.

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and / or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

An apparatus for monitoring Intracranial Pressure (ICP) includes a non-invasive, flexible, wearable device (30), (60) with micro ultrasonic transducer arrays (32) fixed thereon. The wearable device (30), (60) is attached to the closed eyelid (21) of a conscious or unconscious patient with an adhesive (48). Using ultrasound sonography, the ultrasonic transducer arrays (32) on the wearable device (30), (60) image the optic nerve (26) behind the eyeball (20) to measure the Optical Nerve Sheath Diameter (ONSD). The ONSD provides an indication of the ICP in real time.

Systems, methods and devices are provided for treating vitreous disorders using focused ultrasound. An ultrasound device, configured for both ultrasound imaging of the eye and the delivery of focused ultrasound energy into the eye, is employed to obtain ultrasound imaging data characterizing at least the vitreous. This image data is autonomously processed, via a deep learning algorithm, to perform object detection and / or segmentation, for the identification of an abnormal region associated with opacity. The therapeutic ultrasound transducer is controlled to deliver therapeutic ultrasound energy to the abnormal vitreous regions to generate cavitation sufficient for disruption of the opacities. The imaging ultrasound transducer and the therapeutic ultrasound transducer can be moved in unison to facilitate coordinated imaging, deep-learning-based vitreous abnormality detection, and targeted ultrasound therapy.

Systems, devices and methods are provided that provide assistance in selecting appropriate interventions for treatment of disease and injury to the eye. Systems of the inventive concept provide cloud-based processing and storage of clinical and patient-specific data, which can provide treatment recommendations and projected outcomes to a practitioner using a local device. Systems, devices, and methods can generate interactive physiomechanical models of the eye of a specified individual, which are derived measurements of mechanical properties of structures of the eye. The physiomechanical model is interactive, and can be used to emulate the effects of one or more medical interventions in the eye in order to implement an optimized treatment plan for the individual.

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 discloses an optical biological measurement device and method for automatically judging an eyeball state, and relates to the field of medical image processing, and the device comprises a pre-scanning image acquisition module, an eyeball state judgment module and a measurement module; the pre-scanning image acquisition module is used for acquiring a standard scanning image; the eyeball state judgment module is used for judging based on the scanning image to obtain an eyeball state; the measurement module is used for completing biological measurement based on the eyeball state. According to the method, feature extraction is carried out on the position graph of the crystalline lens by adopting a deep learning technology according to the scanned image, the feature is compared with a preset database, meanwhile, the crystalline lens state is accurately judged according to a judgment criterion, and biological parameter scanning and (or) measurement are further carried out according to the correct eyeball state; and the accuracy and efficiency of biological parameter measurement can be effectively improved.

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 utility model relates to a storage sleeve capable of temporarily storing a coupling agent, which relates to the technical field of storage sleeves, and comprises a B-ultrasonic probe used for examining eyes of a person; a fixing sleeve opening is formed in the coupling agent storage sleeve, the coupling agent storage sleeve is movably arranged on the B ultrasonic probe through the fixing sleeve opening, and a storage cavity used for storing a coupling agent is formed in the coupling agent storage sleeve; the piston air bag part is arranged on the coupling agent storage sleeve through the storage cavity and is used for extruding the coupling agent in the storage cavity; the storage bowl is arranged on the coupling agent storage sleeve, a connecting cavity is formed in the side wall of the storage bowl, the connecting cavity is communicated with the storage cavity, a containing cavity is formed in the inner wall of the storage bowl, the containing cavity is communicated with the fixing sleeve opening, and therefore the coupling agent can be attached to the eyes conveniently, and air between the probe and the skin can be removed conveniently. The volume in the storage cavity is squeezed through the piston air bag piece, so that the couplant is supplemented, image blurring caused by insufficient couplant is avoided, and the accuracy and the reliability of examination are improved.

The present invention provides an intraocular pressure measurement method and system based on ultrasound and deep learning. The method includes: collecting ocular ultrasound data and intraocular pressure data; performing four-dimensional ultrasound reconstruction on the continuously collected ultrasonic intraocular pressure data sequence to obtain four-dimensional ultrasound data reflecting the three-dimensional dynamic changes of the internal structure of the eye; establishing a relationship model between the four-dimensional ocular ultrasound data and the corresponding intraocular pressure data; constructing and training an LSTM neural network intraocular pressure recognition model based on the reconstructed four-dimensional ocular internal structure ultrasound data, intraocular pressure data, and the relationship model; and identifying and displaying the patient's intraocular pressure based on the trained LSTM neural network intraocular pressure recognition model. By establishing a relationship model between the four-dimensional ocular ultrasound data and the corresponding intraocular pressure data, the present invention mines ultrasound data features closely related to intraocular pressure, and constructs and trains the LSTM neural network intraocular pressure recognition model for intraocular pressure recognition, thereby achieving dynamic intraocular pressure measurement and improving measurement accuracy.

The present disclosure provides for co-registration of an external image of a vessel with an IVUS image captured within the vessel, and provides a graphical user interface that allows for modifications to the co-registration. In particular, the present disclosure provides for co-registration even when the IVUS image is captured before the external image or before co-registration with the external image is initiated.

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.

Embodiments of the present invention disclose a method, system, electronic device, and storage medium for determining ocular tissue information. The method comprises: injecting prepared magnetic nanoparticles into the eye region and adjusting the eye region to the light beam exit position of a data acquisition system; the eye region includes the cornea, sclera, lens, ciliary muscle, and / or retina; applying a controllable voltage to an electromagnetic coil in an excitation system so that the electromagnetic coil generates a controllable magnetic field based on the controllable voltage to drive the magnetic nanoparticles in the eye region; and transmitting a laser beam based on a laser in the data acquisition system so that the laser beam enters the eye region from the light beam exit position, and receiving a reflected light beam fed back from the eye region to obtain target ocular tissue data; and analyzing and processing the target ocular tissue data to obtain mechanical characteristic parameters corresponding to the eye region. The present invention can improve the comfort of the subject being measured during the measurement process.

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.

An apparatus for monitoring Intracranial Pressure (ICP) includes a non-invasive, flexible, wearable device (30), (60) with micro ultrasonic transducer arrays (32) fixed thereon. The wearable device (30), (60) is attached to the closed eyelid (21) of a conscious or unconscious patient with an adhesive (48). Using ultrasound sonography, the ultrasonic transducer arrays (32) on the wearable device (30), (60) image the optic nerve (26) behind the eyeball (20) to measure the Optical Nerve Sheath Diameter (ONSD). The ONSD provides an indication of the ICP in real time.

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.