125 results about "Ocular surgery" patented technology

Shape-stabilized collagen scaffolds and methods of obtaining such scaffolds are disclosed. Stroma can be harvested, for example, from human or porcine corneal stroma and shaped during excision or in a separate step after excision. Following shaping (and preferably decellularization), the excised stroma portion is subject to pressure, force or vacuum to reduce fluid content and then irradiated or otherwise treated to induce crosslinking of collagen chains or fibrils. In one embodiment, the scaffold can be compacted by removing some or all of the water from the scaffold, and rehydrating the scaffold in a controlled manner (e.g., in a mold or other confining space) such that the scaffold takes a desired compacted shape; and then crosslinking at least a portion of the scaffold to mechanically strengthen it and inhibit subsequent swelling. Various sources of energy can be employed to induce crosslinking of collagen including, for example, ultraviolet (UV) radiation. The scaffolds can also be selectively densified or patterned. The invention is particularly useful in forming stable lenticules of enhanced stiffness and sufficient optical clarity for intracorneal implantation in additive ocular surgery.

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

The present disclosure generally relates to devices for ophthalmic procedures, and more particularly, to apparatus for performing subretinal injections and methods of use thereof. In some embodiments, a surgical instrument for fluid injection may include a handpiece configured for grasping by a user, the handpiece comprising: a first lumen disposed therein; and an actuatable toggle movably coupled with the handle. The cannula may be coupled to the handpiece and configured to be introduced into an eye. The cannula may include a second lumen extending therethrough and a needle movably disposed within the second lumen and coupled with the actuatable toggle. The needle may be configured to extend from and retract into the second lumen at a distal end of the cannula upon actuation of the toggle.

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

A robotic system for performing an ocular surgery includes a robot and an electronic control unit (ECU). The robot includes an end-effector, six or more electric motors connected to or operable for moving six or more links and controllable via the ECU, and all-pose gravity compensation structure. A surgical tool is connected to the end-effector. The robot and surgical tool, in response to electronic control signals from the ECU, perform a surgical task on an eye during the ocular surgery. The ECU includes scaling logic operable for downscaling or limiting a tool force imparted to the eye by the surgical tool and / or a tool velocity of the surgical tool. All-pose gravity compensation minimizes a perceived weight of the surgical tool during the ocular surgery. The robotic system may include a surgeon-operated haptic device / master in which the robot acts as a slave device.

An arrangement applied to a simulator for surgical training in ophthalmology that is anatomically similar to the human eye, and has the purpose of training and qualification in ophthalmological surgical processes. An artificial cataract for use in simulators for surgical training in ophthalmology.

The present invention provides methods for inhibiting postoperative inflammatory conditions following ophthalmologic surgical procedures by administering intraocularly during an ophthalmologic surgical procedure a solution including a nonsteroidal anti-inflammatory agent and an alpha-1 adrenergic mydriatic agent, such as a liquid irrigation solution of ketorolac and phenylephrine.

An ophthalmic surgical instrument for peeling a retinal membrane is provided. The ophthalmic surgical instrument includes a handle, an actuator mounted to the handle, a first loop, and a second loop. The first loop extends outwardly from the handle and comprises a first plurality of protruding features configured to create an internal limiting membrane (ILM) flap in an eye. The second loop extends outwardly from the handle, is positioned within the first loop, and is configured to grasp the ILM flap. The actuator is configured to move the second loop to engage the first loop to grasp the ILM flap.

The present invention discloses a surgical channel for a nose-orbital joint approach, comprising: a channel main frame, which is worn and installed at the nose-orbital position, and the channel main frame is in an inverted eye-shaped structure; the present invention relates to the field of medical device technology. The surgical channel for the nose-orbital joint approach can fix structures such as endoscope guidance and lighting in the combined nasal endoscope and transorbital approach orbital apex tumor resection surgery by setting a slideway and a corresponding fixing structure, providing the surgeon with a clear and stable surgical field of view, avoiding the tumor from being blocked by tissues such as orbital fat and extraocular muscles; and does not require an assistant to hold tools for assistance, does not rely on the assistant's experience and surgical skills, and is stable and reliable; can effectively avoid damage to important intraorbital structures such as the optic nerve, and increases the safety and efficiency of the surgery; at the same time, ophthalmic surgery can be performed on both sides of the inverted eye-shaped channel main frame, and nasal surgery can be performed in the middle, which can provide a dual-camera synchronous field of view, making the surgical cooperation between nasal and ophthalmic departments more efficient and safe.

In certain embodiments, an ophthalmic surgical system for viewing an eye includes an ophthalmic microscope and a laser device. The ophthalmic microscope receives light reflected or scattered backwards from within the vitreous of the eye in order to provide an image of an object within the vitreous. The ophthalmic microscope includes a slit illumination source (which includes a light source and an optical element), a spectral filter, and oculars. The slit illumination source illuminates the eye with light, where the light source provides the light, and the optical element directs the light into the eye. The spectral filter filters out red spectral components of the light. The oculars receive the light from the eye in order to provide the image of the object. The laser device generates a laser beam to direct towards the object within the eye.

1. The name of the product of this design: Ophthalmic surgical microscope. 2. Purpose of the product of this design: Microscope used in ophthalmic surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A kit for ocular surgery includes a syringe comprising a needle having dimensions suitable for injecting an ophthalmic viscosurgical device OVD material to form an OVD in an eye for ocular surgery; a suitable amount of OVD material for forming the OVD loaded into the syringe; and instructions for suitable optical illumination to be used to observe the OVD, or a remaining portion thereof, at least one of during or after the ocular surgery based on a response of the OVD material to the optical illumination. The OVD material includes a polymer and at least one of a dye, a fluorophore, a luminophore, or a quantum dot conjugated to the polymer.

Provided herein are certain preservative-free ophthalmic formulations for post-operative ocular care. 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.

An ocular compression device with light directed through the sclera. The compression device may detachably house a lighting device that can be used to illuminate the eye area during ophthalmic surgery. Integrating the lighting device with the compression device during the procedure may reduce the number of hands required to perform the surgery. This may be particularly beneficial for ophthalmic surgery where the available surgical space is limited.

The present disclosure generally relates to devices for ophthalmic procedures, and more particularly, to apparatus for performing subretinal injections and methods of use thereof. In some embodiments, a surgical instrument for fluid injection may include a handpiece configured for grasping by a user, the handpiece comprising: a first lumen disposed therein; and an actuatable toggle movably coupled with the handle. The cannula may be coupled to the handpiece and configured to be introduced into an eye. The cannula may include a second lumen extending therethrough and a needle movably disposed within the second lumen and coupled with the actuatable toggle. The needle may be configured to extend from and retract into the second lumen at a distal end of the cannula upon actuation of the toggle.

1. The name of the product of this design: Ophthalmic surgical illuminator. 2. The purpose of this design product: to illuminate and inspect the patient's eyeball during ophthalmic surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This invention discloses the application of low-concentration topical anesthetics in ophthalmic surgery, relating to the field of low-concentration topical anesthetic application technology, including the following specific application process: confirming the patient's basic surgical condition before administration; selecting anesthetic drugs and optimizing the administration concentration; performing administration according to the specific situation; real-time dynamic monitoring and adjustment of the administration dosage; gradually reducing the drug and transitioning to withdrawal. This invention improves drug safety and patient compliance while ensuring analgesic effects by optimizing anesthetic drug concentration and administration method. Furthermore, by using topical anesthetics at concentrations lower than conventional anesthetics for local administration after ophthalmic surgery, it can effectively relieve postoperative pain, discomfort, and foreign body sensation while significantly reducing toxic effects on corneal epithelial cells, reducing delayed corneal healing, dry eye, and corneal damage. It is effectively applicable to analgesia management after pterygium excision, refractive surgery, and other common ophthalmic surgeries, and has good clinical application value.

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during ophthalmic surgery. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the surgery to produce an illuminated retina surface. A camera (36) collects image data (38) of the illuminated retina surface (25I). An electronic control unit, ECU (50), is in communication with the camera (36) and an indicator 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 in response to the cumulative energy spectral density exceeding a phototoxicity threshold, the control action including enabling the indicator device (40). The illuminated retina surface (25I) can be divided into virtual zones (Z1, Z2), the ECU (50) mapping the cumulative energy spectral density to the illuminated retina surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.

Devices and methods are disclosed for improved removal of cortical material. In certain embodiments, an ophthalmic surgical instrument includes a shaft having a distal end configured to be inserted into an eye of a patient toward a treatment area, and a projection located at the distal end of the shaft, the projection having a distal surface that extends at an angle to a longitudinal axis of the shaft, the distal surface configured to be positioned facing the treatment area during use of the ophthalmic surgical instrument. The projection is located on a tip or a sleeve of the ophthalmic surgical instrument.

The invention belongs to the technical field of ophthalmologic surgical instruments, and provides a posterior capsular membrane polisher in a cataract surgery in order to solve the problem that existing manual operation is low in accuracy. Comprising a head fixing module for fixing the head of a patient; the movable positioning module is arranged on the head fixing module and comprises up-down telescopic assemblies arranged on the two sides of the head fixing module, a longitudinal moving assembly and a transverse moving assembly are arranged on the up-down telescopic assemblies, and a polishing module mounting frame is arranged on the transverse moving assembly; the polishing head multifunctional integrated module comprises a supporting frame connected through a polishing module mounting frame, the supporting frame is provided with an eye periphery supporting rod and a micro-pressure induction push rod, the micro-pressure induction push rod is connected with a connecting plate, the connecting plate is connected with a polishing rod, and a polishing head is arranged in the polishing rod. By means of the integrated design, it can be guaranteed that the operation is completed through one-time polishing operation, errors caused by manual operation are avoided, previous tedious steps are omitted, the operation time is shortened, and the operation risk is reduced.

An ocular surgery visualization system has an ophthalmoscopic loupe that images a portion located within a patient's eye in an intermediate image plane. An image processing routine separates a first portion of an image of a target region in the imaging plane from a second portion of the image of the target region, the first portion being captured by an image sensor and resulting from an imaging beam path through the ophthalmoscopic loupe, the second portion being captured by the image sensor and resulting from an imaging beam path extending beyond the ophthalmoscopic loupe and being complementary to the first portion, so as to transform the first portion of the image of the target region into a mirror first portion by a congruence corresponding to a rotation of the first portion around an axis of rotation perpendicular to the image plane or by a congruence corresponding to a point mirror, and so as to combine the rotated or point mirror first portion and the second portion to form a target region composite image that is provided to an image display device.

Embodiments of the present disclosure provide a surgical instrument having a pressure sensor coupled to or adjacent to a distal end of the surgical instrument to achieve a direct intraocular pressure (IOP) reading of an eye. The surgical instrument may include a handheld device that is inserted into the eye to perform a surgical task.

The utility model belongs to the field of manufacturing of auxiliary elements of microscopes, and particularly relates to a non-contact type fundus wide-angle observation mirror which comprises an inverted image and positive image switching device, a bottom plate, a space position mechanical adjusting mechanism and a wide-angle lens placer, and the inverted image and positive image switching device is arranged on the upper surface of the bottom plate. A wide-angle lens placer is arranged on the lower surface of the bottom plate through a spatial position mechanical adjusting mechanism, a light inlet area is reserved at a light inlet of the inverted image and positive image switching device on the bottom plate, the position under the light inlet area is within the travel range where the spatial position mechanical adjusting mechanism drives the wide-angle lens placer to move, and a mounting hole is formed in the bottom plate. According to the non-contact type fundus wide-angle observation mirror, the mode that the inverted image and positive image switching device is arranged to be matched with the space position mechanical adjusting mechanism and the wide-angle lens placer is adopted, the non-contact type fundus wide-angle observation mirror is designed, and the problem that holes do not need to be punched in eyeballs of a patient to fix the wide-angle observation mirror during an ophthalmologic operation is solved.

1. The name of the product of this design: Prone Sleeping Pillow (Ophthalmology 1). 2. Purpose of this product: to be used for patients to sleep prone after eye surgery. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to the technical field of pharmaceutics, in particular to a monoclonal antibody preparation for inhibiting fibrosis after an eye operation and application. The anti-periostin humanized monoclonal antibody injection preparation provided by the invention is prepared from the following components: an anti-periostin humanized monoclonal antibody, a buffering agent, amino acid, polysorbate and trehalose. The preparation is stable in property. The biological activity is good, and the stimulation to eyeballs can be reduced.

A control apparatus for an ophthalmic surgical system includes a receiver module which received a signal containing at least one geometric size of a pupil of an eye to be treated at least at a first time during a surgical procedure on the eye, at which fluid is supplied to and / or removed from the eye to be treated on the basis of set values of fluidic parameters of a fluidic apparatus. An evaluation unit allows the signal with the geometric sizes of the pupil to be compared to a geometric reference size of the pupil. An output module outputs an output signal of the evaluation unit, which contains information in respect of the geometric size of the pupil and / or information in respect of the above comparison to a control unit of the ophthalmic surgical system.

Ophthalmic compositions including compatible solute components and / or polyanionic components are useful in treating eyes, for example, to relieve dry eye syndrome, to protect the eyes against hypertonic insult and / or the adverse effects of cationic species on the ocular surfaces of eyes and / or to facilitate recovery from eye surgery.

The present invention discloses a microporous drainage device for ophthalmic surgery and a delivery system thereof. The drainage device comprises a drainage valve body, and the drainage valve body comprises a fixed portion, a first drainage portion and a second drainage portion; the first drainage portion is arranged on one side of the fixed portion, and is used to insert a capillary tube into the anterior chamber of the patient's eyeball; the second drainage portion is arranged on the other side of the fixed portion opposite to the first drainage portion, and is used to connect with the capillary tube of the patient's eyeball vein; and a microporous drainage channel is arranged on the drainage valve body. The delivery system of the microporous drainage device for ophthalmic surgery comprises a hollow hand-held rod, and an operating head and a wire drawing rod are respectively arranged at both ends of the hand-held rod. Sutures are passed through the hand-held rod, and the sutures have a closed loop portion and a wire drawing portion. The closed loop portion is embedded in the operating head, and the wire drawing portion is fixed to the wire drawing rod. The microporous drainage device for ophthalmic surgery of the present invention can solve the problem of high intraocular pressure in glaucoma, and at the same time avoid various inflammatory problems caused by the implantation of commonly used drainage valves, thereby safely and efficiently treating glaucoma.