147 results about "Ophthalmologic operation" patented technology

The invention relates to an intelligent eyelid fixing and tear flow guide composite device, which belongs to the technical field of medical instruments and comprises an arc-shaped main body frame, a multi-section pressure sensing fixing wing, a miniature liquid guide groove, a humidity compensation module and a central control unit. The multi-section pressure sensing fixed wing can be dynamically attached to the shape of an eyelid and is matched with the flexible contact layer to achieve biomechanical self-adaptive adjustment, and contact pressure is evenly dispersed. The miniature liquid guide groove serves as an efficient tear drainage path, and tears are rapidly discharged in combination with negative pressure suction. The humidity compensation module accurately covers the cornea surface through an annular atomization nozzle, and the ocular surface is kept moist. And the central control unit is used for monitoring in real time and adjusting fixed pressure, atomization intensity and negative pressure parameters in a linkage manner to form an intelligent feedback closed loop. The device solves the problems that a traditional rigid eye speculum is uneven in pressure distribution, low in tear management efficiency, poor in dissection adaptability and the like, the steady state maintaining effect of the ocular surface microenvironment in an ophthalmologic operation can be improved, and tissue damage and operation interruption are reduced.

The invention provides an optic disk real-time continuous tracking method and device, and relates to the technical field of medical image processing. According to the method, the video sequence of the ophthalmologic operation is acquired and preprocessed, and then the preprocessed video sequence is subjected to multi-scale feature extraction and optic disc target detection, so that an optic disc detection target is obtained; the optic disk detection target is based on Kalman filtering prediction and appearance feature matching, an adaptive gating matching mechanism is introduced to carry out inter-frame target trajectory association, a target trajectory is maintained in combination with an appearance feature cache updating mechanism and ReID cosine similarity retrieval, and a trajectory tracking result is output; wherein the trajectory tracking result comprises a continuous tracking result of the optic disc position, the confidence coefficient, the trajectory identifier and the timestamp. According to the invention, the detection precision of the small-scale optic disc is improved, the shielding recovery and track continuity are enhanced, and high-precision, high-robustness and real-time optic disc continuous tracking is realized in complex operation scenes of strong reflection, low contrast, local shielding and the like.

Certain aspects of the present disclosure provide a system for processing image data from an intraoperative diagnostic device in real-time during an ophthalmic procedure. The system comprises an image capture element that captures a grayscale image of a first size and an image processing element that scales the grayscale image from the first size to a second size. The system also comprises a two-stage classification model comprising: a feature extraction stage to process the scaled grayscale image and generate a feature vector based on the scaled grayscale image and a classification stage to process the feature vector and generate an output vector. The image processing element is further configured to determine an image quality of the obtained grayscale image based on the output vector for display to an operator and the image quality of the obtained grayscale image indicates a probability that the obtained grayscale image includes an artifact.

The invention provides a piezoelectric-driven ophthalmic surgical robot. The piezoelectric-driven ophthalmic surgical robot comprises a supporting mechanism, a bottom plate, a folding mechanism, a tail end executing mechanism, a rotary driving mechanism, a first piezoelectric driving mechanism and a second piezoelectric driving mechanism. The bottom plate is movably connected with the supporting mechanism, the folding mechanism is installed on the bottom plate, the second piezoelectric driving mechanism is arranged on the folding mechanism, and the second piezoelectric driving mechanism can drive the tail end executing mechanism to move linearly; the rotary driving mechanism can drive the bottom plate to turn left and right; the first piezoelectric driving mechanism is arranged below the bottom plate, is in driving connection with the folding mechanism and can drive the folding mechanism to deform so as to adjust the angle of the tail end executing mechanism; a piezoelectric pre-tightening compensation mechanism is further arranged to prevent the tail end executing mechanism from sliding down due to gravity, and the operation stability is guaranteed. The piezoelectric characteristic is combined with the advantages of the guide rail, accurate, rapid, stable and compact motion control of the ophthalmologic operation executing mechanism can be achieved, the fine operation requirement of the ophthalmologic operation is met, and the tissue damage risk is reduced.

A console of an ophthalmic surgical system is for operating a surgical handpiece which includes a treatment needle and a drive for driving the treatment needle by oscillation. The console includes a generator configured to provide a time-varying drive signal for the drive, an evaluation unit, and a detection unit. The detection unit is electrically couplable to the drive and detects a contact signal of the drive on account of a second oscillation amplitude in a low-oscillation state of the needle in which the needle oscillates at a maximum first oscillation amplitude. The generator provides the drive signal such that the drive is deactivated during the low-oscillation state. The evaluation unit evaluates the contact signal and determines contact of a particle with the needle on a basis of the evaluation. The detection unit detects the contact signal when the second oscillation amplitude is greater than the first oscillation amplitude.

The invention relates to the crossing field of a medical technology and a data processing technology, in particular to a multi-dimensional data fusion ophthalmologic operation safety check data processing system, which comprises a fusion module used for responding to a process release instruction and collecting multiple paths of equipment data streams; calculating a credibility weight based on the multi-path equipment data flow, and performing weighted fusion and time sequence calibration to obtain an intra-operative fusion data set; the calibration module is used for extracting a plurality of preset key risk parameters based on the intraoperative fusion data set to form a multi-dimensional risk feature vector, and performing feature space division and statistical analysis to generate a self-adaptive adjustment coefficient; and using the adaptive adjustment coefficient to calibrate a preset risk determination reference, calculating a comprehensive risk value and outputting a grading risk warning. According to the invention, through fusion of multi-source data, dynamic risk calibration, intelligent response and cross-stage evaluation, a closed-loop data processing flow is constructed, a structured operation safety digital file is generated, and data driving of ophthalmologic operation safety check is realized.

The invention discloses an ophthalmologic operation navigation positioning method, device and equipment and a storage medium, and the method can obtain detailed information of bone tissues and soft tissues at the same time after a CT image and an MR image are fused, can carry out the precise segmentation and planning of a registered image, and provides accurate navigation and guidance for an operation. After registration, under the guidance of navigation, a doctor can more accurately position a surgical site, damage to surrounding tissues is avoided, surgical wounds are reduced, surgical risks are reduced, and surgical efficiency is improved.

The utility model relates to medical consumables technical field especially, more particularly to a function improved pipette handle for fundus operation, including handle body, still including installation groove, the right side of handle body is provided with installation groove, the bottom of handle body is provided with the plug -in component, the top of plug -in component is connected with the connecting pipe, the top of connecting pipe is connected with the press valve, and the through -hole is opened in press valve, and the position that corresponds through -hole is provided with the hole plugging mechanism on press valve, the top of press valve is connected with the hose, the top of handle body is provided with the docking assembly, and pressure assembly is arranged in the inside of installation groove, the utility model discloses through the integration press valve and flow regulator on handle body, has improved the operating efficiency and security of ophthalmic surgery significantly, the initiative suction function makes the doctor be able to accurate control suction intensity, and the flexible response different operation stage's demand, the passive suction function maintains stable negative pressure environment, avoids the tissue damage, and the adaptability and controllability of operation have been enhanced greatly.

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during an ophthalmic procedure. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the procedure to generate an illuminated retinal surface. A camera (36) collects image data (38) of the illuminated retinal surface (25I). An electronic control unit (ECU) (50) in communication with the camera (36) and a pointing device (40) receives the image data (38), calculates a cumulative energy spectral density of the directional light (LL) incident on the retina (25), and performs a control action indicative of possible phototoxicity, including activating the pointing device (40) in response to the cumulative energy spectral density exceeding a phototoxicity threshold. The illuminated retinal surface (25I) may be divided into virtual zones (Z1, Z2) by the ECU (50) mapping the cumulative energy spectral density to the illuminated retinal surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.

The invention provides an ophthalmic surgical instrument cleaning and disinfection whole-process intelligent monitoring and quality tracing method, which relates to the technical field of medical management and comprises the steps of acquiring instrument information, establishing feature and quality control element mapping based on a knowledge graph, generating a self-adaptive quality control strategy according to a pollution degree and historical records, and monitoring and checking process consistency in real time. When abnormity is found, quality problems are traced, intervention regulation is carried out, and quality control parameters are continuously optimized. According to the invention, intelligent monitoring and quality tracing in the cleaning and disinfection process of the ophthalmic surgical instrument are realized, and the quality control efficiency and safety are improved.

A computer-implemented method of acquiring ophthalmic images for clinical use may include receiving, at a user device including a camera, a command to initiate image acquisition relative to an eye of a patient. The computer-implemented method may also include, responsive to the receiving, interactively guiding, at the user device, a user to capture at least one image of the eye that satisfies one or more clinical image parameters. The computer-implemented method may also include, responsive to the interactively guiding, the user device causing the at least one image to be stored in relation to the patient in a location accessible to an ophthalmic surgical system.

Embodiments disclosed herein provide a compression system including a compression plate, a linkage assembly, and a drive assembly. The squeeze plate is configured to engage with the fluid bag. The linkage assembly includes a plurality of brackets, each bracket coupled to a plurality of linkage sets, where actuation of the linkage assembly translates the squeeze plate laterally. The drive assembly includes: a lead screw disposed through each of the plurality of brackets; an actuator configured to rotate the lead screw to actuate the drive assembly; and a nut assembly coupled to the lead screw and at least one of the plurality of brackets, where the nut assembly is configured to provide a biasing force to maintain a target pressure range on the fluid bag upon failure of the actuator.

Embodiments disclosed herein relate to devices and systems for ophthalmic surgery. In some embodiments, a handpiece device for use with a surgical system is provided. The handpiece device includes a housing, a cable assembly, and a tapered optical fiber. A cable assembly is disposed through the distal end of the housing and optically coupled to the tapered fiber. A diameter of the tapered fiber decreases between a proximal end and a distal end of the tapered fiber. In some embodiments, the tapered fiber includes a single crystal fiber. In further embodiments, the tapered fiber includes a tapered sapphire core fiber.

The utility model discloses a blood wiping device for ophthalmologic operation, which comprises a suction head, a first cavity is arranged in the suction head, and a plurality of liquid suction holes communicated to the first cavity are arranged on the surface of the suction head; a second cavity is formed in the connecting pipe; a third cavity is formed in the deformation pressing bag, is made of an elastic material, and can shrink and deform under the extrusion effect and recover after the extrusion effect disappears, so that the third cavity can synchronously shrink or recover; and the first cavity, the second cavity and the third cavity are communicated in sequence. Compared with a cotton fiber mode, fibers and chippings cannot fall off, and postoperative foreign matter inflammatory response is avoided; the device does not need to be frequently replaced in the operation, and time can be saved; the surface of the suction head is smooth, the shape is regular, and interference to eye microsurgery operation is avoided.

Provided is an ophthalmic surgery instrument that allows an instrument suitable for excising a trabecular meshwork to be configured and allows a grip portion to be used for both first ophthalmic surgery such as trabeculectomy and second ophthalmic surgery. A first passage and a second passage for performing suction or supply of a perfusate are formed in a grip portion of an ophthalmic surgery instrument. An internal thread portion is formed at a tip end of the grip portion. A tip end member for first ophthalmic surgery has a single passage therein, and has a bent-shaped blade portion and an opening of the passage at a tip end thereof. The tip end member for first ophthalmic surgery and a tip end member for second ophthalmic surgery are selectively screwable to the internal thread portion.

A visualization system for use during an ophthalmic procedure. The system includes at least one illumination source configured to emit in a visible and an invisible light spectrum, a light filter configured to allow light within a filtered light spectrum, and an image sensor assembly configured to detect first and second sets of images from the visible and invisible light spectrums, respectively. The system also includes an electronic control unit (ECU) in communication with the at least one illumination source and the image sensor assembly. The ECU is programmed to activate the at least one illumination source to emit light in the visible and the invisible light spectrum and receive image data from the image sensor assembly representative of the first and second sets of images. The controller is also programmed to generate and display at least one composite image based on the first and second sets of images.

The present application relates to a kind of intelligent ophthalmic phacoemulsification instrument, belong to medical instrument technical field, to solve the needle and bottle mouth sterile barrier of existing ophthalmic surgery liquid supply equipment in standby state are vulnerable to damage, and the switching delay caused by manual cap / cap is removed.The instrument includes body, solution suspension rod, Y-shaped infusion tube, replacement mechanism and handle.The replacement mechanism includes protection device with embedded rubber plug protection cylinder, and extension linkage structure for automatically opening bottle cap.In work, idle puncture needle is inserted into the rubber plug of protection cylinder and kept sterile wet state;When main infusion bottle is exhausted, motor and electric push rod linkage, drive replacement frame rotation and lifting, in the synchronous use of extension block automatic pull open the pop can of standby bottle, and the puncture needle pulled out from the protection plug is accurately inserted into new bottle.The present application not only realizes the automatic replacement of infusion bottle, ensures that perfusion liquid is in before entering the whole link sterile safety in eye.

A console light guide device for use with a console includes an array of interconnected light pipes. The light pipe array includes a translucent surface, a shaped body substantially surrounding the output connection ports on the exterior face of the console panel, and a linear branch disposed relative to the shaped body. Side-emitting light emitting diodes (LEDs) emit light to corresponding ends of the array of light pipes. The opaque light shield defines a shaped channel and a branch channel. The array of light pipes is nested within the opaque light shield such that light from the side emitting LEDs is uniformly emitted through the translucent surface without internal scattering or leakage of light within the console. Also disclosed herein is a console, such as an ophthalmic surgical console, comprising a console light guide device.

The invention relates to the technical field of medical instruments, in particular to ophthalmology clip type skin preparation scissors which comprise a first grab handle and a second grab handle which are rotatably connected through a connecting part. The cutting tool further comprises a fixed clamping part and a movable clamping part, a second blade is connected to the fixed clamping part in a sliding mode, a first blade is connected to the movable clamping part in a sliding mode, and the first blade and the second blade are oppositely arranged to form a cutting edge; when the first grab handle and the second grab handle are operated, the movable clamping part can move relative to the fixed clamping part to clamp eyelashes, and after the eyelashes are clamped in place, the first blade and the second blade move relatively to complete eyelash shearing. Clamping and shearing actions are integrated in a single tool, the movable clamping part and the fixed clamping part can be synchronously driven to clamp eyelashes, meanwhile, the first blade and the second blade are driven to move relatively to complete shearing, the problem that the eyelashes are prone to shifting or not completely sheared in a traditional tool is solved, and the eyelashes can be conveniently sheared. The high-efficiency requirement of skin preparation before ophthalmologic operation is met.

The utility model discloses a medical device for ophthalmologic operation, which belongs to the technical field of medical instruments and comprises a head band, an arc-shaped plate is fixedly connected outside the head band, two fixing blocks are fixedly connected outside the arc-shaped plate, a rotating shaft is rotatably connected inside the two fixing blocks, a platform plate is fixedly connected outside the rotating shaft, and the platform plate is fixedly connected with the head band. The bottom of the platform plate is fixedly connected with an extension block, the interior of the extension block is fixedly connected with two threaded rods, and the angle of the rotating shaft and the angle of the platform plate can be adjusted through the arrangement of the first fastening nut, so that the height of the cylindrical magnifier can be adjusted; by rotating a second fastening nut and a third fastening nut, the limiting of the moving block can be relieved, so that the angle adjustment of the cylindrical magnifying lenses is realized, the use convenience is improved, the distance between the two cylindrical magnifying lenses can be automatically adjusted, a good visual use effect can be obtained, and the use comfort is further improved.

A method for operating a fluid pump of an ophthalmosurgical system for conveying a treatment fluid is provided. The fluid pump has a pump chamber and a drive chamber separated from the latter with an elastic partition element and which is acted upon by a drive fluid. A position of the partition element is detected. The method includes subjecting the drive fluid to a first drive pressure, detecting a treatment fluid pressure present in the first position of the partition element, subjecting the drive fluid to a further drive pressure, at which the partition element adopts a further position, detecting the at least one further position of the partition element, and a further treatment fluid pressure present in this further position, and taking into account the treatment fluid pressures and drive pressures present in the respective positions account in the operation of the fluid pump.

In certain embodiments, a diathermy probe is provided that includes a handpiece and an electrode assembly extending distally from the handpiece. The electrode assembly includes an outer electrode and an inner electrode disposed within and extending through the outer electrode, where the inner electrode extends further distally from the handpiece than the outer electrode. In certain embodiments, the outer electrode and the inner electrode share a common longitudinal axis along an entire length of each of the outer electrode and the inner electrode.

An apparatus to control laser energy for ophthalmic surgery is disclosed. The apparatus may include a laser source configured to generate a laser beam. The apparatus may also include a beam shaping apparatus having a rotatable element positioned in a path of the laser beam. The rotatable element may have a plurality of apertures and may be rotatable about an axis of rotation. Further, the apparatus may include a control unit configured to generate one or more frequency pulse trains. In addition, the apparatus may include a motor configured to rotate the rotatable element to align one of the plurality of apertures with the path of the laser beam for changing or modifying a characteristic of the laser beam. The motor may be driven based on the one or more frequency pulse trains.

Embodiments herein provide a surgical cassette and a surgical console for ophthalmic perfusion or aspiration during a surgical procedure, the surgical cassette including a plurality of valve assemblies, where each valve assembly includes a retention ring coupled to a base of the surgical cassette, and a valve body disposed within a cavity defined within the retention ring, where the valve body is coupled to the base of the surgical cassette, the retention ring provides a compressive force to the valve body that in turn compresses at least a portion of the sealing material disposed on the valve body against a surface of the base. The surgical console includes a plurality of valve drive assemblies configured to apply an additional compressive force to the valve assemblies of the surgical cartridge. The valve drive assemblies may be individually or collectively actuated to provide additional compression to selected valve assemblies of the plurality of valve assemblies.

A backup infusion pressure sensor module for use in an ophthalmic surgical console includes a squeeze plate configured to engage with a fluid bag. The backup infusion pressure sensor module further includes a pressure sensor assembly having a sensor door and a sensor frame, wherein the sensor door pivots relative to a pin coupled to a top portion of the pressure sensor assembly, the pin being configured to bias the sensor door toward the fluid bag. The pressure sensor assembly includes a base mounted to the rear side of the sensor frame of the pressure sensor assembly, one or more springs, a spring support coupled to the one or more springs, and a force sensor in contact with the spring support, the force sensor being configured to determine the pressure force acting on the fluid bag.

The application belongs to the technical field of tool machining, and particularly relates to a double-face grinding device for super-precision ophthalmic surgical tools, which comprises a clamping assembly and a grinding assembly. The clamping assembly comprises a first push rod and a chuck, and the chuck is used for clamping a tool to be machined. The grinding assembly comprises a bottom plate, and side plates are arranged on both sides of the bottom plate. Sliding rails are arranged on the two side plates. A grinding seat is slidably arranged on the sliding rails. A linear guide rail is arranged in the grinding seat. A fixed grinding wheel is fixedly arranged at one end of the linear guide rail. A movable grinding wheel is slidably arranged on the other end of the linear guide rail. The movable grinding wheel can be driven to slide on the linear guide rail by a second push rod. The application improves the sharpness and symmetry of the tool by double-face grinding wheel grinding, solves the problem of unevenness in traditional single-face grinding, and adjusts the grinding angle and pressure by controlling the distance between the grinding seat position on the sliding rail and the grinding wheel, so that the size and angle of each tool meet strict medical standards.

The utility model discloses an ophthalmic operation hydrops device. The hydrops device for the ophthalmologic operation comprises a box body, a feature recognition block, a first cover plate and a second cover plate, a containing cavity is formed in the box body, the containing cavity is configured to be used for containing waste liquid generated in the operation, and the box body is provided with an opening part communicated with the containing cavity; the feature recognition block is arranged in the box body and located at the opening part; the first cover plate is provided with a first matching part, the first cover plate can detachably cover the opening part of the box body, and the first matching part corresponds to the feature recognition block and exposes the feature recognition block, so that the feature recognition block can be sensed by an external detection device; the second cover plate is provided with a second matching part, the second cover plate can detachably cover the opening part of the box body, and the second matching part corresponds to the feature recognition block and shields the feature recognition block, so that the feature recognition block cannot be sensed by an external detection device; the first cover plate and the second cover plate are alternatively connected with the box body.

The application provides an ophthalmic surgical instrument cleaning and disinfecting whole-process intelligent monitoring and quality tracing method, relates to the technical field of medical management, and comprises the following steps: acquiring instrument information, establishing feature and quality control element mapping based on a knowledge graph, generating an adaptive quality control strategy according to a pollution degree and historical records, monitoring and checking process consistency in real time, tracing quality problems and intervening in regulation and control when abnormalities are found, and continuously optimizing quality control parameters. The application realizes intelligent monitoring and quality tracing of the ophthalmic surgical instrument cleaning and disinfecting process, and improves the quality control efficiency and safety.

The invention discloses an intelligent control method and system for an ophthalmic surgical robot, a prediction model and a cooperative control method, and belongs to the technical field of medical robots. The system comprises a 3D display system, an OCT information system, a micro-touch system, an information comprehensive processing system, a control system, a mechanical arm and special inner boundary membrane tweezers. The core of the method is that an augmented reality surgical navigation model is constructed through preoperative and intraoperative OCT data fusion; the micro-operation force is monitored in real time through the novel inner boundary membrane tweezers integrated with the FBG sensor; the visual sense information and the force sense information are fused through an information comprehensive processing system, and a personalized control strategy is generated based on a pre-trained deep learning decision model; and finally, the control system adopts a self-adaptive impedance control algorithm to drive the mechanical arm to execute accurate and smooth force-position closed-loop operation. The problems that in the ophthalmologic operation, the visual depth is lost, the tactile feedback is deficient, and the operation precision depends on the experience of doctors are solved, and the safety, the precision and the standardization level of the retina inbound membrane stripping operation can be remarkably improved.

The invention provides a stereoscopic vision optimization device for an ophthalmologic operation microscope, and relates to the technical field of microscopes, the stereoscopic vision optimization device comprises a shell, the shell is suitable for being matched with a front lens of the microscope, the shell is arranged on one side, facing an objective lens, of the front lens, the shell is provided with a light path channel, and the light path channel is through in the direction from the front lens to the objective lens; the shielding assembly is arranged at the end, away from the front lens, of the shell and comprises a communicating part and a shielding part, the shielding part is arranged around the periphery of the communicating part, the communicating part is communicated with the light path channel, and light in a binocular image fusion area of the operating microscope is suitable for entering the objective lens through the light path channel and the communicating part. The stereoscopic vision optimization device can avoid the influence of monocular vision fundus images, defocused images of the front mirror frame and defocused images of the background outside the mirror frame on image fusion of the brain of an observer, improves the image fusion effect of binocular images in the brain of the observer, improves the comfort of binocular observation, and reduces the possibility of asthenopia.