124 results about "Eye surgery" patented technology

The invention provides a bandage mirror which comprises a lens body, a flexible part and a shielding part, one end of the flexible part is connected with the periphery of the lens body, and the other end of the flexible part is connected with the shielding part; the lens body is provided with an outer convex face and an inner concave face, and the face, away from the outer convex face, of the shielding piece is used for shielding eyelashes on the lower eyelid. The eyelashes can be prevented from stimulating the upper eyelids and the lower eyelids in the recovery period when the eyes of a patient are closed after an eye operation.

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.

Pharmaceutical compositions, methods for treating various issues of the eyes, and methods of preparing such compositions are described. These pharmaceutical compositions may be for treating glaucoma, in preparation of eye surgery, during eye surgery, various post-op care (e.g., after cataract surgery, laser eye surgery, and the like), for treating dry eyes, and / or for promoting eyelash growth. These pharmaceutical compositions may comprise such active ingredients (APIs) as: timolol, latanoprost, brimonidine tartrate, dorzolamide, moxifloxacin HCl, dexamethasone PO4, phenylephrine HCl, lidocaine HCl, ketorolac tromethamine, bromfenac, prednisolone PO4, gatifloxacin, amniotic cytokine extract (ACE), prostaglandin E2 (PGE2), and combinations thereof.

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 system includes a display device and an actuated structure mounted to the display device and configured to move the display device in a three-dimensional space. The system includes an imaging device configured to capture an image of a patient's eye during an ophthalmic procedure and display the image on a display device. The controller is configured to activate the actuated structure to maintain visibility of the display device to a surgeon performing an ophthalmic procedure. The display may be positioned based on a surgeon profile and / or a treatment plan. It may be determined whether the display is visible based on an image from a camera mounted to an imaging device, display device, or elsewhere. It may be determined whether the display is visible based on kinematic data of a support for the actuated structure and / or the imaging device.

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 may comprise a nozzle having a delivery lumen, an implant bay coupled to the nozzle, and an implant disposed in the implant bay. The implant may comprise an optic body, a leading haptic, and a trailing haptic. In some examples, the implant may be an intraocular lens. The apparatus may further comprise an actuator comprising a housing and a plunger disposed within the housing and a leading splay arm operable to splay the leading haptic within the implant bay. The plunger can be operable to advance the optic body from the implant bay to the delivery lumen after the leading splay arm straightens the leading haptic.

An apparatus for eye surgery, the apparatus comprising a probe having a tube, a cutting edge disposed within the tube, and a stop, and a cannula having a first end configured to receive the tube and a second end adapted for insertion into an eye. The stop can be configured to position the cutting edge adjacent to the second end of the cannula when the tube is inserted into the cannula.

A laser eye surgery system includes a laser source, a ranging subsystem, an integrated optical subsystem, and a patient interface assembly. The laser source produces a treatment beam that includes a plurality of laser pulses. The ranging subsystem produces a source beam used to locate one or more structures of an eye. The ranging subsystem includes an optical coherence tomography (OCT) pickoff assembly that includes a first optical wedge and a second optical wedge separated from the first optical wedge. The OCT pickoff assembly is configured to divide an OCT source beam into a sample beam and a reference beam. The integrated optical subsystem is used to scan the treatment beam and the sample beam. The patient interface assembly couples the eye with the integrated optical subsystem so as to constrain the eye relative to the integrated optical subsystem.

The application belongs to the technical field of intelligent medical decision support systems, and discloses a training method of an intelligent medical decision model based on ophthalmic surgery, which comprises the following steps: obtaining original ophthalmic data of a patient and performing preliminary data processing to obtain an ophthalmic data set of the patient; analyzing image data in the ophthalmic data set of the patient, detecting and extracting an eye feature vector, and then preliminarily classifying the eye condition of the patient and marking an eye disease; extracting a clinical feature vector of non-image data in the ophthalmic data set of the patient, performing multi-source data fusion with the eye feature vector, and obtaining an influence feature vector; taking the influence feature vector as input to train an intelligent medical decision model for ophthalmic surgery; and explaining the prediction result of the intelligent medical decision model for ophthalmic surgery by using an explainability tool to generate a model explanation and a surgery evaluation report, thereby improving the accuracy of diagnosis and enhancing the explainability of the model and the ability of individualized treatment.

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.

To provide a patient guiding trigger of measurement for an ophthalmic diagnostic device.SOLUTION: A system and method for tracking a position and state of an eye during an ophthalmic procedure include: an ophthalmic device configured to measure characteristics of the eye; an eye tracker configured to capture a stream of images of the eye; and a logic device configured to analyze the stream of images to determine whether or not the eye is fixating on a target object, detect a predetermined blink sequence in a first stream of images, delay a predetermined tear stabilization period, initiate a stable tear film interval, and capture at least one measurement result of the eye with the ophthalmic device when the eye is fixating during the stable tear film interval. The blink sequence may include a plurality of continuous blinks, and detection of the blink sequence may include processing of the image through a neural network trained to detect open and / or closed eyes.SELECTED DRAWING: Figure 2

The invention provides an eye surgery simulation system. The eye surgery simulation system comprises the following steps: calling a plurality of operation steps corresponding to a target eye surgery and a monitoring standard corresponding to each operation step; for each operation step, capturing pose data of the surgical instrument in the operation step and three-dimensional motion information of the bionic eyeball through a dual-camera positioning module; monitoring an operation track corresponding to the surgical instrument according to the pose data and the three-dimensional motion information; and comparing the operation track with an instrument operation standard, and controlling the multi-degree-of-freedom rotating shaft module according to a comparison result and a reaction simulation standard so as to enable the bionic eyeball to perform simulation feedback. The operation deviation is captured through the multiple vision sensors, the bionic eyeballs are controlled based on the operation deviation to conduct biomechanical feedback, the real hand feeling difference in the eye surgery process is simulated, a user can perceive the difference of surgical instruments in fine force control, and the training effect of the user is improved.

The utility model discloses a mask type operation towel supporting piece for eye surgery, which comprises a plurality of first shaping pipes, a plurality of second shaping pipes, a plurality of first connecting pieces, a plurality of second connecting pieces and a plurality of second connecting pieces, the connecting piece is fixedly connected to the end part of the first shaping pipe; the elastic bands are symmetrically and fixedly connected to the surface of the connecting piece; in the eye operation process, the elastic bands on the mask type operation towel supporting piece are worn on the ears of a patient, the first shaping pipe is shaped into a protruding space, it can be guaranteed that the operation towel placed on the face of the patient can be slightly lifted to form a supporting space in the operation period, and therefore the mouth and the nose of the patient can breathe; in addition, the positions of the connecting pieces connected with the first shaping pipes can be fixed when the connecting pieces sleeve the nose wings, then supporting and fixing of the whole mask type operation towel supporting piece are guaranteed, the limiting blocks at the front ends of the second shaping pipes can be movably contracted and placed at the nose wings of a patient in the using process, the adaptability is improved, and the requirements of an operating room are met.

The invention relates to a surgical device (10) comprising at least two robots (11, 12), each robot (11, 12) comprising an articulated arm (21, 22) mounted on a base (31, 32), a tool (41, 42) being attached to the end (E1, E2) of the arm (21, 22), each tool comprising a distal end (I1, I2) suitable for being inserted into an insertion point (T1, T2) of an eye, the device comprising a control unit (7) configured to move the end (E1, E2) of the arm of each robot so as to rotate the eye in its orbit to improve the visibility and accessibility of the eye during surgery.

The invention belongs to the technical field of eye surgical instruments, and particularly relates to a surgical puncture knife capable of pumping and injecting intraocular fluid. Comprising a puncture tool bit, a grab handle and an air pump, and the bottom of the puncture tool bit is fixedly connected with the top end of the grab handle; one end of the hole channel is located at the position of the tool bit area, and the other end of the hole channel is located at the bottom of the puncture tool bit; an opening in one end of the flow channel is formed in the top end face of the grab handle and is in butt joint with the through hole channel of the puncture tool bit; an opening at the other end of the runner is formed in the side wall or the bottom end of the grab handle; the other end of the runner is connected with an air pump through a pipeline; the air pump can rotate forwards and backwards to perform liquid pumping and liquid injection operations. The disposable intramedullary nail has the advantages that the disposable intramedullary nail is simple in structure and convenient to operate, liquid suction / liquid injection can be directly performed after one-time puncture action, an extra liquid tube does not need to be inserted into a wound after the tool bit is pulled out, wound expansion is prevented, and surgical risks caused by secondary insertion into an eyeball are reduced.

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.