67 results about "Eye surgery" patented technology

The invention relates to an ophthalmic surgical instrument comprising a handling unit, a surgical module provided on the handling unit, and a shaft at least partially surrounding the surgical module, wherein the surgical module and the shaft are movable relative to each other. The handling unit further comprises a guide element arranged at a distal end of the handling unit. The handling unit includes an actuating unit with a plurality of actuating arms and a drive unit for moving the shaft back and forth relative to the guide element through the central bore of the guide element, wherein the drive unit comprises an annular element on a proximal side of the guide element, the distal ends of the actuating arms being pivotably connected to the annular element in order to move the annular element toward the guide element.

A cutting tool, wherein the device comprises a first member having a first, distal portion and a second, proximal end portion, wherein a rotating member is mounted substantially at the distal end portion, wherein the rotating member is biased to rotate, and wherein one or more cutting members or blades may be mounted on the rotating member. The cutting tool may be for use in surgery, preferably eye surgery. Methods of use of the cutting tool and kits comprising the cutting tool are also described.

An ophthalmic surgical instrument includes a handpiece configured to be held by a user, and a working tip coupled to a distal end of the handpiece that includes a proximal opening configured to be disposed outside an eye, a distal opening configured to be disposed inside the eye and expose a tool to the inside of the eye, and a channel between the openings. When the distal opening is disposed inside the eye and the proximal opening is uncovered the proximal opening permits the channel to be in fluid communication with ambient atmosphere, the channel is configured to enable passive aspiration of fluid from inside the eye, such that the fluid flows from the distal to the proximal opening and into the ambient atmosphere. The tool comprises forceps, scissors, a delamination spatula, a pick, an illumination fiber, or a laser fiber.

The utility model discloses a teaching tool for eyeball surgery, which comprises a supporting column and an eyeball model, the front end of the supporting column is provided with a regulation and control auxiliary mechanism, the regulation and control auxiliary mechanism comprises a sliding rail fixedly connected to the front end of the supporting column, the outer side of the sliding rail is connected with a sliding frame in a sliding mode, one end of the sliding rail is provided with a limiting hole, and the other end of the sliding rail is connected with the eyeball model. And the front end of the sliding frame is fixedly connected with a mounting block. According to the teaching tool for the eyeball surgery, the threaded rod is rotated to move in the adjusting frame, so that the threaded rod drives the adjusting and controlling plate to move through the connecting block, the limiting block is separated from the limiting hole, the sliding frame is pulled to slide along the sliding rail, and the purpose of conveniently adjusting the height of an eyeball model is achieved; therefore, the eyeball model is adapted to different positions and is matched with the actual exposure height and the operation view angle of the eyeball in a real operation, and operation changes caused by differences of eye socket depth and eyelid tightness of a patient in clinic are restored.

A computer program is provided that includes an artificial intelligence-based model, wherein the computer program is designed to, when implemented by a computer, use the model to enable the computer to determine information characterizing a treatment plan for said refractive eye surgery based on information characterizing a patient and information characterizing the visual impairment of the patient's eye to be corrected by said refractive eye surgery.

Cataract surgery is in recent years more and more augmented and supported by the application of laser cuts in the eye tissue. Such laser systems are separate units from the phacoemulsification system units that are usually used for cataract extraction. The laser systems require the patient to be positioned under the laser unit and then being moved under the surgical microscope next to the phacoemulsification unit. The here described invention relates to systems combining several aspects of the laser system and the phacoemulsification system. In particular, this invention relates to combining at least some parts of the control system and the housing for both systems and thereby minimizing and optimizing setup time, operating room footprint, patient flow and cost. Furthermore the here disclosed invention relates to integrating the laser system under the surgical microscope and thereby significantly reducing the surgery setup and complexity.

In certain embodiments, an ophthalmic system and computer-implemented method for automatically initializing an image guided surgery are described. The initialization includes monitoring a scene using multiple images captured by a first imaging device. An eye of a user is detected within a first image of the multiple images. In response to detecting the eye of the user, a registration procedure is initiated with the first image and a reference image of the eye of the user to generate a set of transformation information. A set of overlay content is generated based on the set of transformation information. The set of overlay content includes a transformed first image or a transformed reference image. Overlay content is presented onto the scene via a second imaging device.

This invention provides a bandage lens, comprising a lens body, a flexible component, and a blocking component. One end of the flexible component is connected to the outer periphery of the lens body, and the other end of the flexible component is connected to the blocking component. The lens body has a convex surface and a concave surface, and the side of the blocking component away from the convex surface is used to block eyelashes on the lower eyelid. This invention enables patients to prevent eyelashes from irritating the upper and lower eyelids during the recovery period when their eyes are closed after eye surgery.

A compact UV light delivery device comprises a UV LED, integrated into the compact UV light delivery device, to generate a UV beam; a homogenizing beam coupler, to receive the UV beam from the UV LED, and to homogenize the UV beam such that a measure of non-uniformity of the output homogenized beam is smaller than the measure of non-uniformity of the received UV beam; an illumination optics, to receive the homogenized beam and to forward it as an illumination beam; a spatial light modulator, to modulate the illumination beam into a modulated beam according to a procedure profile; a projection optics, to receive and to project the modulated beam as a projection beam through its objective into an eye of a patient; and a binocular-free imaging system, to image the eye of the patient via the same objective, and to present the image on a user interface.

In certain embodiments, an ophthalmic laser system includes a laser device, an ophthalmic microscope, a z-direction sensor, and a controller. The laser device directs a laser beam towards a target within an eye. The ophthalmic microscope receives light from a focal point within the eye to provide an image of an object at the focal point. The z-direction sensor determines the z-position corresponding to the focal point of the ophthalmic microscope. The controller determines a position Z0, the z-position where the focal point of the ophthalmic microscope is at the retina of the eye; determines a position Z, the z-position where the focal point of the ophthalmic microscope is at the target within the eye; calculates a target-to-retina distance ΔZ according to a difference between the position Z and the position Z0; and calculates a radiant exposure He at the retina according to the target-to-retina distance ΔZ.

An apparatus for eye surgery. Some embodiments may comprise a housing, a bore through the housing, and a push rod at least partially disposed in the bore. The push rod may be operable to move between three rod positions within the bore. A plunger key may be coupled to the housing and operable to move between three key positions. In the first key position, the plunger key may prevent the push rod from moving from a first rod position. In the second key position, the plunger key may allow the push rod to slide through the bore from the first rod position to a second rod position. In the second key position, the plunger key may also allow the push rod to be rotated to advance to a third rod position. In the third key position, the plunger key may allow the push rod to slide through the bore from the second rod position to the third rod position.

Real-time instrument position estimation and guidance for ophthalmic surgery are described. An ophthalmic surgical system may include a first camera to obtain a first image feed of an ophthalmic surgical procedure and a second camera to obtain a second image feed of the ophthalmic surgical procedure. The ophthalmic surgical system may further include a real-time instrument position estimation module implemented in a non-transitory computer-readable storage medium and configured to determine, in real-time, a relative position of an instrument feature with respect to an anatomical feature of an eye based on the first image feed and the second image feed during the ophthalmic surgical procedure. The real-time instrument position estimation module may be further configured to output, in real-time, a surgical guidance based on the relative position of the instrument feature with respect to the anatomical feature of the eye during the ophthalmic surgical procedure.

Control unit (1) for an electric drive unit (2) of an ophthalmic surgical handpiece (3) for processing an eye lens (52), which drives a treatment needle (14), comprising a generator unit (4) for providing an electrical control variable (5, 6) for the electric drive unit (2), wherein the generator unit (4) is configured to provide the control variable (5, 6) with a control oscillation, wherein the control oscillation has a first oscillation component at a first control frequency, wherein the first oscillation component is adjustable depending on a first ratio of a mechanical displacement amplitude of the treatment needle (14) to the electrical control variable (5, 6) at the first control frequency, wherein the generator unit (4) is further configured to provide the control oscillation of the control variable (5, 6) with at least one further oscillation component at a further control frequency different from each other control frequency,that the further oscillation component is adjustable depending on a further ratio of the mechanical displacement amplitude of the treatment needle (14) to the electrical control variable (5, 6) at the respective further control frequency. characterized in that the generator unit (4) provides the control variable (5, 6) such that a first period attributable to a forward movement of the treatment needle (14) is shorter than a second period attributable to a return movement of the treatment needle (14).

The utility model discloses a child eye postoperative cold compress instrument which comprises a cold compress component, a cold compress component, a cold compress component and a cold compress component, the cold compress component comprises a first cold compress instrument body and a second cold compress instrument body, and the second cold compress instrument body is located on one side of the outer surface of the first cold compress instrument body; the extension part comprises supporting blocks, moving grooves, extension blocks and moving rods, the extension blocks are connected to one side of the first cold compress instrument and one side of the second cold compress instrument respectively, the extension blocks are symmetrically distributed, the supporting blocks are connected between the first cold compress instrument and the second cold compress instrument, the extension blocks are connected between the two supporting blocks, and the moving grooves are formed in the supporting blocks. The cold compress instrument aims to solve the problems that when an existing cold compress instrument is actually used, an ice bag, a water machine or a thickener is usually fixed in the cold compress instrument, put into a refrigerator to be frozen and then used by a patient, most of the cold compress instruments are universal and cannot well adapt to the facial contour of a child and different use requirements, the face size of the child is small, the shape of the child is different from that of an adult, and the cold compress instrument is inconvenient to use. And the cold compress effect is affected.

The utility model discloses a portable fixation training device for simulating different operation watching light sources, which comprises a fixation device and a clamping component, the fixation device comprises a working surface and a mounting surface, the working surface is provided with training light sources with different colors, the mounting surface is provided with an adjusting component, and a main control board is arranged in the fixation device; the clamping assembly is fixedly connected with the fixation device through the adjusting assembly. According to the visual fixation training device, the clamping assembly and the adjusting assembly are installed on the visual fixation device, so that the visual fixation device can be clamped and installed on a bed board, a table and other articles at will, the training lamp source can simulate the color of light irradiated during an eye surgery, and a visual fixation training scene simulating the eye surgery more truly and accurately is provided for a patient; and a better vision fixation training effect is achieved.

This invention provides an auxiliary lying position device after retinal detachment surgery in ophthalmology, comprising a tabletop, a support rod, a support sleeve, a base, a lifting structure, and a supporting structure. The tabletop includes a surface pad with a T-shaped hole in the center. An airbag is fixed to the inner circumference of the T-shaped hole. A horizontal frame of the supporting structure is fixed to the bottom of the tabletop, and a vertical frame of the supporting structure is fixed to the side of the support rod. One end of the horizontal frame and one end of the vertical frame are rotatably connected. The lifting structure is disposed within the support sleeve, and the support rod extends into the support sleeve. A lifting seat is connected to the bottom of the support rod, and the lifting seat is threaded onto the lead screw of the lifting structure. The base is fixed to the bottom of the support sleeve. This invention allows for height adjustment to meet the patient's activity needs, is easy to store, and reduces space occupation.

A compact UV light delivery device comprises a UV LED, integrated into the compact UV light delivery device, to generate a UV beam; a homogenizing beam coupler, to receive the UV beam from the UV LED, and to homogenize the UV beam such that a measure of non-uniformity of the output homogenized beam is smaller than the measure of non-uniformity of the received UV beam; an illumination optics, to receive the homogenized beam and to forward it as an illumination beam; a spatial light modulator, to modulate the illumination beam into a modulated beam according to a procedure profile; a projection optics, to receive and to project the modulated beam as a projection beam through its objective into an eye of a patient; and a binocular-free imaging system, to image the eye of the patient via the same objective, and to present the image on a user interface.

A surgical tool for eye surgery that utilizes a stiffening sleeve and employs a needle of extendible reach. The reach off the needle into the eye is dynamically adjustable by forcible interaction between the stiffening sleeve and a cannula at an outer location of a patient's eye. An end of the tool may retract to facilitate extension of the needle for added reach. Additionally, the sleeve may be further independently retracted for even greater reach of the needle implement toward a surgical site within the eye of the patient.

A method is provided for eye-mimicking camera-assisted robot training. In some implementations, the method includes initializing, by a processor, a robot assembly. The method further includes connecting, by the processor, to one or more computing devices. The method further includes operating, by the processor, the robot assembly. The method further includes simulating, by the processor, eye movements of a human or animal. The method further includes manipulating, by the processor, a laser to execute the determined movement for the eye of the robot assembly. Related systems, methods, and products are also described.

A laser eye surgery system produces a treatment beam that includes a plurality of laser pulses. An optical coherence tomography (OCT) subsystem produces a source beam used to locate one or more structures of an eye. The OCT subsystem is used to sense the distance between a camera objective on the underside of the laser eye surgery system and the patient's eye. Control electronics compare the sensed distance with a pre-determined target distance, and reposition a movable patient support toward or away the camera objective until the sensed distance is at the pre-determined target distance. A subsequent measurement dependent upon the spacing between the camera objective and the patient's eye is performed, such as determining the astigmatic axis by observing the reflection of a plurality of point source LEDs arranged in concentric rings off the eye.

The invention discloses an ophthalmologic operation OCT imaging position tracking method and operation medical equipment. The method comprises the steps that a real-time eye image is acquired; based on the real-time eye image, at least two types of selected fundus positions are recognized, and the selected positions comprise the visual field center point position, the instrument tip position and the specific position of the fundus tissue area; and acquiring a user input signal, and determining or updating the target selection position and / or the tracking state of OCT scanning according to the user input signal. The OCT scanning tracking state and the target selection position are updated in real time according to the user input signal, flexibility is high, and operation efficiency, operation safety and accuracy are improved.

The invention provides an eyelid dilator for treating ophthalmic diseases, and belongs to the technical field of medical instruments. Comprising a first support frame; the fixing assembly is arranged on the inner side wall of the bottom of the first supporting frame and used for rapidly fixing the first supporting frame; the limiting sleeve is arranged on the outer side wall of the fixing assembly; the second clamping grooves are uniformly formed in the inner side wall of the limiting sleeve; the angle fixing assembly is arranged on the inner side of the limiting sleeve, and the angle between the fixing assembly and the first supporting frame is adjusted and fixed through the angle fixing assembly; the limiting assembly is arranged at the end of the top side of the first supporting frame; and the moving frame is arranged on the outer side of the first supporting frame. The eyelid supporting assembly is supported and fixed, the stability of the eyelid is remarkably enhanced, it is ensured that the eyelid is kept still in an ophthalmologic operation or examination, and therefore a clearer visual field is provided, and the operation precision is improved.

A compact UV light delivery device comprises a UV LED, integrated into the compact UV light delivery device, to generate a UV beam; a homogenizing beam coupler, to receive the UV beam from the UV LED, and to homogenize the UV beam such that a measure of non-uniformity of the output homogenized beam is smaller than the measure of non-uniformity of the received UV beam; an illumination optics, to receive the homogenized beam and to forward it as an illumination beam; a spatial light modulator, to modulate the illumination beam into a modulated beam according to a procedure profile; a projection optics, to receive and to project the modulated beam as a projection beam through its objective into an eye of a patient; and a binocular-free imaging system, to image the eye of the patient via the same objective, and to present the image on a user interface.

A method for ocular simulated camera assisted robot training is provided. In some implementations, the method includes initializing, by a processor, a robotics assembly. The method further includes connecting, by the processor, to one or more computing devices. The method further includes operating, by the processor, the robotics assembly. The method further includes simulating, by the processor, an eye movement of a human or animal. The method further includes operating, by the processor, a laser to perform a determined exercise on an eye of the robotics assembly. Related systems, methods, and articles of manufacture are also described.

An epithelial removal tool and epithelial surgical procedure emits light from a lower end of the removal tool to provide a fixation light, a point for the patient to focus on to prevent eye movement and avoid injury during ophthalmic surgery. The removal tool has a housing which secures one or more removal members in fixed position. The removal members are preferably provided by synthetic brush bristles. One or more optical fibers extend from an upper portion of the housing, through the brush bristles, and to the light region which provides a fixation point that is centrally located on the terminal end of the bristles and on the bottom of the removal tool. In some embodiments, rather than a brush the removal tool may be in solid form, preferably provided by a pliant member formed of a polymeric material which transmits sufficient light to provide a fixation point.

The present application relates to the field of medical image processing, and particularly relates to an end-to-end ophthalmic surgery positioning navigation method and device. First, a coding and decoding network is used to extract eyeball features, and a multi-class segmentation layer constructed according to the eyeball features is used for semantic segmentation to determine the center position of the eyeball, so as to construct a polar coordinate sampler, so that the real-time collected intraoperative image is directly projected under the polar coordinate, and the eyeball feature map, the semantic segmentation result map and the preoperative image are converted to the polar coordinate system. Under the polar coordinate system, the current image and the target image are registered to complete eyeball rotation tracking. In the registration process, a twin network is combined with a correlation filter, the tracking target position, number and receptive field size are defined by defining a Gaussian template, the calculation efficiency is improved, the weighted sum of the inter-frame registration result and the long-time registration result is taken as the final rotation amount, the cumulative error is eliminated, and the stability and registration accuracy of the eyeball rotation continuous registration are improved.

The utility model relates to the field of medical supplies, in particular to a protective patch for the ophthalmology department. The protective paste for the ophthalmology department comprises adhesive paste cloth, the adhesive paste cloth comprises an adhesive area and a fixing area, a protective cotton layer is arranged above the adhesive area, a release paper layer is arranged above the protective cotton layer, an adhesive light-transmitting area is arranged in the center of the adhesive area of the adhesive paste cloth, the adhesive light-transmitting area is of a hollow structure, and the fixing area is of a hollow structure. A plastic fixing layer is adhered to the adhesive cloth positioned in the adhesive light-transmitting area; a protective light-transmitting area is arranged in the center of the protective cotton layer and is of a hollow structure. The center of the release paper layer is provided with a release light-transmitting area, the release light-transmitting area is of a hollow structure, and the release paper layer is connected through the fixing area of the adhesive cloth. The protective patch for the ophthalmology department can play a role in shielding the eyes without completely covering the eyes, and can be applied to the recovery stage after the ophthalmology department operation to enable the eyes to gradually adapt to the light environment.

An apparatus for eye surgery can include a nozzle having a delivery lumen, an implant capsule coupled with the nozzle, and an implant (210) disposed in the implant capsule. The implant can include an optical body (1420), an anterior haptic (1425), and a posterior haptic (1430). In some examples, the implant can be an intraocular lens. The apparatus can further include an actuator including a housing and a plunger disposed within the housing, and an anterior opening arm operable to open the anterior haptic within the implant capsule. The plunger can be operable to advance the optical body from the implant capsule to the delivery lumen after the anterior opening arm straightens the anterior haptic.

The present invention pertains to methods of using certain 1-di-isopropyl-phosphinoyl-alkanes as described herein (DIPA-1-7, DIPA-1-8, and DIPA-1-9, collectively referred to herein as “DIPA compounds”) for the treatment of ocular discomfort that is caused by eye strain; eye surgery; an airborne irritant or pollutant that interacts with the eye surface; heat discomfort; extended wear of contact lenses; excessive exposure to the sun; asthenopia; conjunctivitis; or a dry eye syndrome. The present invention also pertains to pharmaceutical compositions comprising such compounds, and media contain those pharmaceutical compositions.

A compact UV light delivery device comprises a UV LED, integrated into the compact UV light delivery device, to generate a UV beam; a homogenizing beam coupler, to receive the UV beam from the UV LED, and to homogenize the UV beam such that a measure of non-uniformity of the output homogenized beam is smaller than the measure of non-uniformity of the received UV beam; an illumination optics, to receive the homogenized beam and to forward it as an illumination beam; a spatial light modulator, to modulate the illumination beam into a modulated beam according to a procedure profile; a projection optics, to receive and to project the modulated beam as a projection beam through its objective into an eye of a patient; and a binocular-free imaging system, to image the eye of the patient via the same objective, and to present the image on a user interface.