34 results about "Ocular orbit" patented technology

A flexible endoscope for ophthalmic orbital surgery includes a flexible probe housing having a proximal end, a distal end and a lumen extending between the proximal end and the distal end. The endoscope also includes an image fiber disposed in the lumen that communicates image information from the distal end of the flexible probe, a purge fluid / gas port disposed at the proximal end of the flexible probe that accepts purge fluid / gas and a purge fluid / gas conduit disposed in the lumen and in fluid communication with the purge fluid / gas port. The fluid / gas conduit delivers purge fluid / gas to the distal end of the endoscope. The endoscope also includes an access conduit disposed in the lumen that receives one of an ablation instrument, a coagulating instrument and a medication delivery instrument.

A disposable self-adhering covering for an eye of a human comprising an opaque, thin, flexible, air permeable fabric layer having an upper surface and a lower surface bonded to top side of a less flexible generally ovoid-shaped generally flat ring defining a central opening. The ring comprising a bottom side comprising an adhesive that allows the covering to be removably attachable to the skin of a human and an outer contoured edge that causes the ring to flex away from the skin such that the fabric layer is held away from the eye when applied to the human. The covering extends over the eye with the ring attached to the skin from a point at the medial orbital margin of the eye to a point at the lateral orbital margin of the eye with the central opening over the eye socket.

The invention discloses a carp electrode transforation implantation brain stereo positioning method, which belongs to the technical field of brain stereo positioning. The invention mainly solves the problem of accurate positioning in electrode implantation into brain without craniotomy. The method comprises the following steps: drawing a straight line centrally from the carp mouth to the intersection point between the head and the first scale of the trunk, and drawing a straight line parallel to the central line based on the upper edges of two orbits respectively; drawing a connection line along the front edges of the two orbits; drawing a connection line along the rear edges of the two orbits; drawing a connection line between the joint moving joint points of the operculum bones on the two sides and the orbit bones; and drawing a line through the joint between the head and the first scale of the trunk and vertical to the central line. The skull surface is divided into 6 areas by the 7 lines, each area representing a coordinate system. The mouth, dorsal fin and operculum on the two sides clamp 4 points for fixing; in the positioning of a brain stereotaxic instrument, an electrode is implanted into the brain along a skull hole, and magnetic resonance imaging equipment navigates and corrects deviation so as to realize three-dimensional accurate positioning without craniotomy. The invention is applicable to the collection of brain wave of aquatic animals or control on biological behavior by conduction of electrical signals.

An orbital implant adapted for attachment to the very thin bone at the orbit rim (502), such as the zygomatic and frontal bone margin at the supero-lateral aspect (501) of the orbit (503), for the attachment of an eye prosthesis directly to distal ends of inwardly convergently orientated transdermal abutments. The orbital implant has a baseplate (100) having an orbit radius curvature and an orbit rim curvature and a plurality of microfixation apertures therethrough and the plurality of transdermal abutments are located at an inner edge of the baseplate (100).

Techniques for fabrication of implant material for the reconstruction of fractured eye orbit may include using an image processing system to analyze a set of two-dimensional images representing a three-dimensional scan of a skull of a patient, automatically detect an orbital fracture in the skull based on the set of two-dimensional images, and identify which / both of the two eye orbits containing any orbital fracture. The techniques may further include, for each of the two-dimensional images in which the orbital fracture is detected, determining a region of interest, and extracting the region of interest. The techniques may further include generating a three-dimensional reconstruction model for the fractured eye orbit, and outputting model data for generating an implant mold for the fractured eye orbit.

The method comprises the steps of registering three-dimensional face data by using a large scale face model (LSFM), and performing calibration and normalization on the three-dimensional face data by taking a coordinate space where a standard movable model is located as the basis; The invention provides a key point information-based method and system for evaluating orbital soft tissue morphology and equipment. recording feature point indexes and the number of feature points of left and right eye areas, and extracting the feature points in the left and right eye areas; judging whether an operation area is located at the left eye or the right eye by employing a linear regression model, including obtaining average displacement matrixes from corresponding left and right eye feature point areasbefore and after an operation in the three-dimensional face data and whether the operation is performed on corresponding areas or not, then, obtaining independent variables and dependent variables oflinear regression, and working out weight values of influences of directions on a result; calculating an average displacement matrix of an operation eye area and a standard movable model and an average displacement matrix of a non-operation eye area and the standard movable model, and setting a threshold value to judge the recovery condition of orbital soft tissues after the operation. The methodand the system make the accuracy reach 90%.

The present invention relates to the treatment of an ocular inflammatory disease or an ocular degeneration disease by ophthalmic administration of a composition comprising tapinarof and optionally at least one additional active agent. The composition of the present invention is useful for the treatment, prevention and / or alleviation of the symptoms of an ocular inflammatory disease or an ocular degeneration disease selected from uveitis, vitritis, dry eye disease (DED), macular degeneration, idiopathic orbital inflammatory disease (IOD), chorioretinal inflammation, keratitis, blepharitis, seborrheic dermatitis of eyelids, seborrheic dermatitis of eyebrows, hyperemia, thyroid eye disease (TED), age-related macular degeneration, orbital myositis, and combinations thereof.

The present invention relates to the treatment of an ocular inflammatory disease or an ocular degeneration disease by ophthalmic administration of a composition comprising tapinarof and optionally at least one additional active agent. The composition of the present invention is useful for the treatment, prevention and / or alleviation of the symptoms of an ocular inflammatory disease or an ocular degeneration disease selected from uveitis, vitritis, dry eye disease (DED), macular degeneration, idiopathic orbital inflammatory disease (IOD), chorioretinal inflammation, keratitis, blepharitis, seborrheic dermatitis of eyelids, seborrheic dermatitis of eyebrows, hyperemia, thyroid eye disease (TED), age-related macular degeneration and combinations thereof.

The present invention relates to the treatment of an ocular inflammatory disease or an ocular degeneration disease by ophthalmic administration of a composition comprising tapinarof and optionally at least one additional active agent. The composition of the present invention is useful for the treatment, prevention and / or alleviation of the symptoms of an ocular inflammatory disease or an ocular degeneration disease selected from uveitis, vitritis, dry eye disease (DED), macular degeneration, idiopathic orbital inflammatory disease (IOD), chorioretinal inflammation, keratitis, age-related macular degeneration and combinations thereof.

The present disclosure provides a deep orbital access retractor (DOAR) device which includes a manipulable body section including a compressible handle having a size and shape to be manipulated by at least two (2) digits of a clinician. A flexible head section having two (2) arms with each arm having a distal end and a proximal end, with the distal ends of the arms spaced apart forming a gap there-between at a distal tip section. A flexible flange material envelops and encloses the two arms and the gap and extends around a periphery of the flexible head section. A flexible diaphragm is attached to and extends between the two arms to provide a generally spoon-shaped flexible head section. The flexible head section is linked to the compressible handle section with the linkage being configured such that upon compression of the handle section the arms articulate with respect to each other thereby causing narrowing of the flexible head section to allow for insertion into the orbit and positioning between soft tissue and bone while the flexible diaphragm remains in sufficient tension to not obstruct the view of the operator into the orbit. When compression is released the flexible diaphragm develops sufficient tension and rigidity for applying sufficient force to retract the orbital contents of a patient to allow access to orbital walls.

The invention discloses a titanium net for pavimentum orbitae fracture. A new titanium net is designed into two parts: a traditional pavimentum orbitae titanium net part and a zygomatic arch fracturetitanium plate, wherein the titanium net part is a main body part of the titanium net, the main structure of the titanium net part is similar to that of a traditional preformed titanium plate, and thethickness of the titanium net part is 0.4mm. The invention aims at overcoming deficiencies of the traditional preformed titanium plate; by adopting an individualized design measure, the titanium netis designed and produced through an mirror image of CT data according to the volume of an eye socket on an unaffected side, so that the volume of the eye socket is precisely recovered, troubles causeddue to intraoperative trimming of the titanium net are avoided, and the operation time is shortened; in an fixation aspect, an original fixed hole is redesigned into a long titanium plate shape accordant with the form of an zygomatic arch of a patient, so that the contact area is increased, and the stability of the titanium net during the fixation is improved; and meanwhile, restoration of a zygomatic bone and a socket edge is guided by virtue of the titanium plate, so that the operation difficulty is integrally reduced, and the accuracy of a spatial position of the titanium net during the fixation is improved.

The invention discloses a traditional Chinese medicine composition for activating blood and removing blood stasis as well as a preparation method and application thereof, and belongs to the technicalfield of traditional Chinese medicine compositions, aiming at solving the problems that the curative effect of an existing medicine is relatively single, and internal organs cannot be radically adjusted and replenished to enable the internal organs to become harmonious. The traditional Chinese medicine composition for activating blood and removing blood stasis, disclosed by the invention, is prepared from the following raw materials through the steps of washing, blanching, drying, processing, compounding and the like: prepared radix et rhizoma rhei, eupolyphaga, leech, flos carthami, radix bupleuri, toxicodendron vernicifluum, semen persicae, caulis clematidis armandii, radix scutellariae, radix rehmanniae, white paeony root and pericarpium citri reticulatae viride. The preparation methoddisclosed by the invention has a fine process and steps are simple and easy to operate; an organic solvent is not used so that the traditional Chinese medicine composition is safe and has no toxin; the quality is controllable in a whole process and GMP (Good Manufacturing Practice) requirements are met; the prepared traditional Chinese medicine composition for activating blood and removing blood stasis has the effects of activating blood and removing blood stasis, and promoting menstruation and eliminating mass. The traditional Chinese medicine composition can be used as a treatment medicine for patients with blood stasis retention, abdominal mass, squamous and dry skin, dark ocular orbit, hectic fever and emaciation and amenorrhea.

The invention relates to an eyedrop dripping auxiliary device. The eyedrop dripping auxiliary device comprises an eye socket support, sliding strip blocks, eyelid opening pieces, rotating shafts, springs, a support and rubber pads; the eye socket support comprises eye socket supporting parts and a connecting part; the connecting part is of a rectangular hollow tubular structure, and rectangular grooves are formed in the centers of the wall thicknesses of the two short edges of the connecting part respectively; the sliding strip blocks are embedded in the upper portions of the corresponding eye socket supporting parts; the eyelid opening sheets are fixed in the rectangular grooves in a penetrating manner through the corresponding rotating shafts; the springs are connected between the eyelid opening sheets and the lower parts of the corresponding eye socket supporting parts; and the support is longitudinally arranged in the middle of the connecting part. The eyedrop dripping auxiliary device has the advantages that eyelids can be accurately and effectively pushed open and closed and fixed, a lower dome conjunctival sac is fully exposed, and a patient is prevented from blinking without cooperation; meanwhile, the position of an eyedrop bottle and the distance between the eyedrop bottle and the ocular surface can be accurately controlled, and it is ensured that eyedrops are accurately dropped into the conjunctival sac; and the eyedrop dripping auxiliary device is simple in structure, capable of being repeatedly disinfected and used, convenient to operate by a single person and easy to popularize.

The invention relates to a positioner for an orbital wall decompression surgery under an endoscope, which comprises a positioning seat capable of being fixed at a base point on a lower orbital bone and a triangular positioning guide plate which is formed by connecting a bottom, a first side part and a second side part end to end and can be inserted into an orbital, the bottom and the first side part intersect to form an angle A larger than 20 degrees and smaller than 60 degrees, the first side part and the second side part intersect to form an angle B larger than or equal to 90 degrees and smaller than 120 degrees, the positioning seat is arranged at the intersection of the bottom of the positioning guide plate and the second side portion, and a clamping groove capable of being clamped at the base point of the lower orbital bone is formed in the positioning seat in a concave mode. By the adoption of the technical scheme, the problem that in an existing ophthalmic surgery, when a surgical instrument goes deep into an orbital to treat the bone wall in the orbital or the surgical instrument moves in the orbital, the surgical instrument is prevented from going deep into and touching brain nerves, and the possibility of secondary injury to an operator is caused is solved.

The invention discloses a novel intra-orbital particle implantation bracket and a method of use thereof, including a plate bracket, a tear-off pattern, a slot, a guide plate, and a clamping plate. In the inside of the plate bracket made of mantle wave, the plate bracket and the particles are implanted in the periosteum of the patient's eye socket, so as to prevent the particles from dissociation in the patient's eye socket, ensure that the position of the particles is more uniform and fixed, and ensure the patient's the therapeutic effect.

The invention relates to an eye socket covering grid (1) which comprises a curved main body (2) with an external closing edge (3) and the main body (2) has a lower side which, in the implanted state, is facing the bone or bones forming the eye socket and the main body (2) has an upper side (4) distant from the lower side, wherein at least one optically identifiable linear channel (5, 6) for representing at least one insertion vector (18) is formed on the upper side (4). The invention also relates to a method for producing such an eye socket covering grid (1), in particular an eye socket covering grid (1) adapted in a patient-specific manner.

The invention discloses an in-situ injectable temperature-sensitive response water-soluble chitosan composite hydrogel for lacrimal duct embolism, a preparation method and application thereof, and belongs to the technical field of medical products. The composite hydrogel of the present invention is a liquid sol with fluidity at room temperature, and the sol is placed into the lacrimal duct of a human body through punctum injection. Utilizing the gel phase transition characteristic of the sol that is sensitive to body temperature, the in-situ gel embolization of the sol in the lacrimal duct is realized, and a small amount of tear fluid secreted by the affected eye is retained in the orbit, so as to achieve the purpose of keeping the ocular surface moist for a long time. Using the body temperature responsiveness of water-soluble chitosan and sodium glycerophosphate complex, and adding alginate and calcium chloride to adjust its mechanical properties, sol-gel phase transition time, mechanical strength, etc., the operation is simple and the reaction The condition is mild, the cost is low, the biocompatibility is good, the trauma is small, and the lacrimal duct of any shape and size can be filled, and it has a good relief effect on patients with dry eye.

The invention provides a thyroid eye disease screening method, system and device based on an orbit CT image. The thyroid eye disease screening method comprises the steps: acquiring the orbit CT imageto be recognized; preprocessing the acquired orbit CT image to be identified; performing thyroid-related eye disease and non-thyroid-related eye disease recognition on the preprocessed orbit CT imageby using a classification CNN model; obtaining an orbit CT image classification result; wherein the obtained to-be-recognized orbit CT image is a 3D image, and the tomography area is an area from theeyebrow bone to the nose. According to the invention, the error problem caused by manual judgment of ophthalmologists is solved. Compared with the prior art, the method, system and equipment have theadvantage of more objectivity, and meanwhile, the accuracy and the speed of classifying the CNN model enable screening to be faster and more efficient, so that problems can be found as soon as possible.

The invention relates to a nucleo-reticular multi-cell dual-system ocular implant, which consists of a spherical structure with calculated and variable axial length depending on the needs of the orbital cavity, made up of a mesh of cells with alternative designs which, in turn, makes up the M.M.M system, which facilitates suturing using any technique, whether in cases of evisceration or enucleation. Thanks to its multi-cell structural design, it is easy to install, with reduced risks of migration, extrusion, exposure and extraction. Since the structure has structural gaps, it offers a higher percentage of its volume for vascularisation. In addition, it contains a fibro-vascular nucleo-reticular system, which comprises a structure based on multiple levels provided with micro-reticular tissue, and intra-level filament-based communication; with the capacity to hold drugs and / or technology since it comprises a dual system with two parts that can be screwed together, capable of being manufactured in different structural designs and biocompatible materials. Model C100 manufactured with polylactic acid (PLA), an ideal material for implants, consists of 100 oval-shaped cells. Since it is alight ocular implant, it avoids depression by settling or gravity and can be manufactured in any size.

Embodiments of the present disclosure relate generally to a Sizer, Introducer, and Cutting Template Device. Embodiments find particular use as a sizer, introducer, and cutting template device for an orbital floor implant surgery. The disclosed device allows a surgeon or other practitioner to use a single component for sizing, introducing, and cutting a template for an orbital floor implant.

The invention belongs to the technical field of medical auxiliary instruments, and relates to a tissue distraction device for an orbital bone surgery. A main body structure comprises an arc-shaped wall, a first supporting frame, a second supporting frame, a third supporting frame, a fourth supporting frame, a first side wall, a fifth supporting frame, a sixth supporting frame, a seventh supporting frame, a second side wall, an eighth supporting frame, a ninth supporting frame, a tenth supporting frame, a bottom wall, an eleventh supporting frame and a supporting and blocking cavity, the arc-shaped wall is a bent cambered surface so as to adapt to the radian of an eyeball and protect the eyeball, the seventh supporting frame on the outer side edge of the first side wall is of an arc-shaped structure, the area formed by the arc-shaped wall, the first side wall, the second side wall and the bottom wall is the supporting and blocking cavity, and the supporting and blocking space area is used for orbital bone surgery operation. The incision supporting and pulling assisting personnel are reduced, the working intensity is reduced, the operation efficiency is improved, surrounding tissues are effectively protected, infiltrated blood is effectively prevented from blocking sight lines, the overall structural design is simple and ingenious, operation and popularization are convenient, and the application environment is friendly.