22 results about "Canthus" patented technology

The invention relates to an iris segmentation method using Purkinje reflection and a dynamic three-dimensional model, which comprises the following steps of: arranging a plurality of infrared light sources around a camera, and acquiring a plurality of frames of eye images with reflection points of a patient from a video sequence shot by the camera; calculating an eyeball center by using the position of the reflection point and establishing an initial three-dimensional eyeball model; according to changes of the positions of the inner canthus and the outer canthus, the three-dimensional coordinates and the posture of the eyeball center are correspondingly adjusted, and a three-dimensional eyeball model is updated; in the updated three-dimensional eyeball model, acquiring an iris radius according to an eyeball center, and establishing a three-dimensional iris circle equation; and projecting the three-dimensional iris circle to a two-dimensional image plane to obtain an iris ellipse parameter, and generating an iris segmentation result. Through constructing a dynamic three-dimensional model, eyeball model parameters including an eyeball center, an iris radius and an iris center are detected in combination with deep learning, a three-dimensional space optical axis and an iris ellipse are calculated, and iris segmentation adapted to head posture change and eyeball movement is realized.

1. The name of the design product: mask (protecting the corners of the eyes and ear cord). 2. The use of the design product: for masks. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The right view has been shown in perspective view 1; the top view has been shown in perspective view 2; the bottom view has been shown in perspective view 3.

To provide a corner angle protector capable of preventing foreign matter from flowing into a corner angle during intraocular surgery, and a method for manufacturing the same.SOLUTION: The corner angle protector 1 includes a C-shaped member 2 that is placed at a corner angle through an incision site of an eyeball and is deformable in accordance with a shape of the corner angle in a state where the C-shaped member 2 is placed at the corner angle, and a thread 3 that is connected to one of opposing end portions of the C-shaped member 2 and can be pulled by a user to pull out the C-shaped member 2 placed at the corner angle from the incision site. The end of the C-shaped member 2 to which the thread 3 is connected is formed into a conical shape with a rounded apex.SELECTED DRAWING: Figure 1

This application discloses a binocular pupil recognition method based on high-brightness reflection point anchoring and contour matching, belonging to the field of automatic pupil recognition technology. It solves the problem of low pupil recognition accuracy in the prior art under complex conditions such as eyelash occlusion, corner shadows, and partial eyelid occlusion. The method includes: first, locating high-brightness reflection points in the left and right images of the binocular system and using them as stable spatial anchor points; then, determining an adaptive segmentation threshold in the monocular view; dynamically delineating the region of interest (ROI) centered on the centroid coordinates of the high-brightness reflection points and performing binary segmentation; identifying a preliminary set of contours and filtering them based on multiple features such as contour size, area, aspect ratio, and relative positional relationship with the anchor points to obtain a reliable set of candidate contours; finally, matching the candidate contours in the left and right views and selecting the optimal pupil contour pair, thereby achieving accurate and robust pupil localization in the binocular view.

The present invention relates to the field of medical technology, and discloses an auxiliary device for medical ophthalmic surgery, comprising an operating table body, on which two auxiliary device bodies are rotatably arranged, each of which is provided with a tear collection assembly, a tear cleaning assembly is provided on the auxiliary device body below the tear collection assembly, and a limiting assembly is provided on the auxiliary device body above the tear collection assembly. The present invention provides a device that, by rotating a first expansion clamp and a second expansion clamp, can, with the cooperation of the tear collection assembly, limit the patient's eyelids while allowing the tear collection seat to fit tightly against the corner of the eye, thereby collecting the tears produced during the patient's operation. The secretion of tears will cause certain interference to the operation, such as affecting the doctor's sight and increasing the difficulty of the operation. By automatically collecting tears, these interference factors can be reduced, making the operation smoother.

This invention relates to the field of cosmetic technology, disclosing a multi-effect mesotherapy method and intelligent infusion system for the eyes, addressing the shortcomings of traditional eye cosmetic procedures, such as short-lived effects, low safety, and limited improvement. The system includes an intelligent infusion device, infusion products, repair products, and post-operative tools. The infusion device precisely controls the operating depth to 0.25mm, working along a specific operating path. The method stimulates collagen regeneration in the eye area through cleaning and disinfection, layered infusion, product repair, ice compresses for soothing, and post-operative monitoring. It eliminates the need for Botox or surgery, simultaneously improving issues such as upper eyelid laxity, crow's feet, eye bags, and dark circles. The effects are natural, long-lasting, and highly safe, making it suitable for promotion in non-medical cosmetic settings.

The ocular parameter evaluation device includes a measurement unit and a man-machine interaction unit, both of which are mounted on a base 22. The measurement unit includes at least one camera module, at least one canthus anchoring point, and a light source module. The camera module collects ocular data. The man-machine interaction unit adjusts the position of the canthus anchoring point 4, 10 so that the canthus anchoring point 4, 10 is aligned with the outer corner of the eye. The canthus anchoring point 4, 10 is connected to an inclined lens 5, 11. The light source module includes a plurality of discretely arranged light bars and a near-infrared light source, and the near-infrared light source selectively cooperates with the light bar to assist the operation of the camera module. When used as a proptosis examination device, the device is easy to operate. After the outer corner of the eye is aligned, measurement can be completed by simply taking a video or image, which greatly improves the measurement efficiency and accuracy of parameters such as exophthalmos.

The invention relates to the technical field of robots, in particular to a humanoid robot face bionic driving structure with high-degree-of-freedom expression control, an eyebrow module and an eye module of the humanoid robot face bionic driving structure are both arranged on a fixing frame, a mouth module is arranged below the fixing frame, assembly is more convenient and faster, the space utilization rate is higher, and the maintenance cost is lower. A first movement device, a second movement device and a third movement device in the eye module are vertically and horizontally arranged in a staggered mode. The eyeballs are fixedly connected with the third movement device and can be controlled to rotate up and down and left and right. Eye corner connecting positions on one side of the lower eyelid and one side of the upper eyelid are rotationally connected to the supporting seat, and an eye corner on the other side of the lower eyelid is rotationally connected with an eye corner on the other side of the upper eyelid. The first movement device and the second movement device are matched to drive the upper eyelids and the lower eyelids to move up and down so as to open or close the eyes, so that the structural movement smoothness of the eyes is higher, and the movement of the eyes is more natural and vivid.

According to the external connection type vision correction safety glasses, the additional protection wings are arranged, the additional protection wings are provided with the first sliding rails and the second sliding rails, the glasses legs of the glasses are provided with the two first sliding grooves, the additional protection wings are externally connected to the glasses frame main body of the glasses in the mode that the sliding rails are matched with the sliding grooves, the external connection structure is simple, and the operation is convenient. The operation modes of external connection and disassembly are simple and convenient; besides, each additional protection wing comprises a wing top part, a first wing side part and a second wing side part, the wing top parts can be attached to the area where the forehead or the eyebrow bone of the user is located to a certain degree, and meanwhile the first wing side parts and the second wing side parts can be attached to the areas where the canthus and the lower eyelids of the user are located to a certain degree. Therefore, the upper, lower, left and right sides of the eyes of the user can be protected, and a good eye protection effect is achieved.

According to the technical scheme, the auxiliary shaping equipment is characterized by comprising two opening assemblies, the number of the opening assemblies is two, and the two opening assemblies achieve opening of an upper eyelid and a lower eyelid by moving in the direction away from each other; the control mechanism is used for driving the two opening assemblies to slide in the direction close to each other and the direction away from each other. The opening assembly comprises a moving plate; the arc-shaped plates are fixedly connected to the sides, close to the eyelids, of the movable plates, and the arc-shaped protrusions of the arc-shaped plates of the two opening assemblies face the two sides, away from each other, of the two arc-shaped plates; and a distraction claw; and through the arrangement of the adsorption sponge, secreted liquid and flowing-out blood can be adsorbed, and the good operation view field is kept.

A type of under-eye implant includes two mirror-symmetrical implant units. Each implant unit is arc-shaped, tapering at both ends and thickening in the middle along its length. All edges and surfaces are smoothly transitioned through rounded surfaces. The arc trajectory of the implant unit matches the natural contour of the lower eyelid from the inner corner to the outer corner, with the radius of curvature of the inner segment near the inner corner being larger than that of the outer segment near the outer corner. Each implant unit has a through-hole at each end. The implant is made of expanded polytetrafluoroethylene (ePTFE), whose microporous structure induces tissue cell ingrowth after implantation, preventing implant displacement and light transmission, and demonstrating good biocompatibility.

1.The name of the design product: eye corner protection of mask. 2.The use of the design product: for mask. 3.The design points of the design product: in shape. 4.The picture or photo that best shows the design points: front view. 5.The design product is a thin product, and other views are omitted. 6.The prosthesis model in the design picture is a prop and does not belong to the content of the claimed design. 7.Other circumstances that need to be explained: this design is a partial design, the pink covered area represents the unclaimed part, and the part outside the pink covered area is the claimed part.

The present application protects a kind of calibration and calibration components and calibration and calibration methods of eye movement, the component is used and eye parameter evaluation device cooperation to calibrate and calibrate the precision of the eye movement to be measured before eye parameter evaluation device measures eye movement, the component includes push rod, mirror, eye corner card point, card point fixing seat, eye movement calibration object, eye corner card point and eye movement calibration object are connected by card point fixing seat, mirror is fixed to the front end of eye corner card point, push rod is arranged in one side of eye movement calibration object, eye movement calibration object has eight connecting rods. By the calibration and calibration components of eye movement and the cooperation of the above-mentioned eye parameter evaluation device, the calibration and calibration components are measured, and the measurement results can be used to calibrate and calibrate the above-mentioned eye parameter evaluation device.

This product is moistened with a beauty serum and is used to apply to the face to allow the serum ingredients to penetrate the skin for care. In the front view, the semicircular portions protruding diagonally upward to the right and diagonally upward to the left can be detached from the main body along the dotted lines. The detached portions are then applied to desired areas of the main body attached to the face, such as the sides of the nose, the corners of the eyes, or around the mouth.

The invention relates to the field of electronic intelligent watches, and particularly discloses an intelligent watch interaction method and system based on gesture actions, and the method comprises the steps: cutting an eye image from a face image, and separating a pupil region according to the gray level distribution of the eye image; calculating pupil center coordinates; constructing an eye coordinate system by taking a midpoint of a connecting line of the inner canthus as an original point, pointing the inner canthus to the outer canthus as an X axis and pointing the midpoint of the lower eyelid to the midpoint of the upper eyelid as a Y axis; mapping the center coordinates of the pupils to an eye coordinate system, and calculating the offset of the pupils relative to the original point; judging the sight line direction according to the offset and an offset threshold value; judging the operation direction of the operation gesture according to the sight line direction, and carrying out association and structured integration on the operation direction and the operation gesture according to a differential mapping rule to form the operation gesture containing the operation type and the operation direction; and obtaining an operation instruction corresponding to the operation gesture based on the operation gesture and interaction instruction mapping relation database. In this way, the user interaction experience can be improved.

The utility model discloses an eye lid opening device for ophthalmic operating room nursing, including the support piece, the outside of support piece is provided with the support pole, the top of support pole is provided with the spring, the outside of support pole is provided with the limit stop, the inner wall screw thread connection of limit stop has the threaded rod. The utility model discloses an eye lid opening device for ophthalmic operating room nursing, through the cooperation between support piece, support pole, spring, limit stop and threaded rod, the spring can lift up the support pole, make the support pole can open the eye lid, can inquire in advance to the patient before cutting corneal cutting, when knowing that the patient can feel the pain of eye corner, eyelid or eye lid obviously, can rotate the threaded rod, and the threaded rod can drive the limit stop, make the limit stop strong pressure support pole, to force the distance between support pole and support piece to reduce, thereby can reduce the eye lid opening width, and then can reduce the pain of patient, solved the problem that the patient of eye corner is smaller and will produce slight tearing pain feeling to the eye corner when using.

The invention discloses a canthus expanding and shaping device, and particularly relates to the field of medical cosmetology, the canthus expanding and shaping device comprises two rotating rods, the two rotating rods are both provided with grab handles, the rotating rods are provided with hollow axes, the two rotating rods are hinged through the same hollow axis, the two rotating rods are both fixedly provided with expanding seats, and the expanding seats are arranged on the two rotating rods. And the two expanding seats are far away from each other to expand the eyelids of the user. By arranging the rotating rod, the grab handles and the expanding bases, the expanding bases are close to the eyes, the two grab handles are expanded through fingers, and under the hinge action of the hollow axis, the two expanding bases are away from each other to expand the eye skin of a user, so that the effect of expanding the eye skin of the user is achieved, and the eye skin of the user can be expanded on the premise that an operation is not needed. The situation of the inner canthus of the small eye of a user is corrected, the inner canthus can be expanded to fix the inner canthus skin so as to achieve the effect of changing the size of the small eye, surgery is not needed, operation is easy, and use risks are avoided.

The invention provides an atomizer for ophthalmologic nursing, and belongs to the technical field of eye atomization. Comprising an atomization cover fastener, a switch connecting piece is installed on the atomization cover fastener, and the switch connecting piece is externally connected with an atomizer. A ventilation control piece is mounted on the atomization cover fastener; the ventilation control piece is used for overall ventilation; an eye corner drainage piece is mounted on the atomization cover fastener; a suction control piece is mounted on the canthus drainage piece; the canthus drainage piece is used for absorbing tears and atomized liquid. By arranging the canthus drainage piece, automatic suction can be achieved, tears and liquid medicine can be prevented from being continuously accumulated in the eyes to cause discomfort, the concentration of atomized medicine can be diluted by excessive tears, and it is ensured that the medicine acts on the ocular surface at the effective concentration after absorption; the problems that according to an existing atomizer for ophthalmology nursing, overall ventilation of an atomizing cover is not convenient, and tears and atomized liquid are accumulated in eyes and are not convenient to automatically absorb are solved.

According to the technical scheme, the surgical instrument for opening the canthus is characterized in that the surgical instrument comprises a fixing base, and the position of the fixing base is fixed; the positioning seat is arranged at the top of the fixing seat and is used for fixing the head of a patient; the positioning seat comprises a supporting plate, the supporting plate is arranged to be an arc-shaped plate so as to support the bottom of the head of a patient, and the positioning seat is arranged at the top of the fixing seat; the two enclosure plates are fixedly connected to the two sides of the supporting plate respectively, the two arc-shaped plates extend upwards in an arc shape in the direction away from each other, and one ends of the tops of the two arc-shaped plates are located on the two sides of the head of the patient respectively; and a barrier plate; by arranging the positioning seat, the head of the patient can be bound, and the head of the patient is prevented from moving in the operation process.

The invention discloses a ventricular puncture positioning sterile film based on an external auditory canal-inner canthus coordinate system, and relates to the technical field of medical instruments, the ventricular puncture positioning sterile film comprises a sterile film body, and sliding grooves are formed in the positions, close to the edges of the two sides, of the outer surface of the sterile film body. According to the ventricular puncture positioning sterile pasting film based on the external auditory canal-inner canthus coordinate system, when a patient is subjected to lateral ventricular puncture positioning, a medical worker enables the two clamps on the surfaces of the two arch-shaped sliding rails to be accurately aligned with the external auditory canals on the two sides of the patient to form an external auditory canal datum plane system, the external auditory canal datum plane system stretches across the external auditory canals on the two sides to form an immovable bony datum, and then the external auditory canal-inner canthus coordinate system is obtained by referring to scale marks; the angle of the magnetic attraction puncture guide cylinder is adjusted to point to the inner canthus of a patient, the neodymium iron boron magnetic ring arranged in the magnetic attraction puncture guide cylinder can generate 0.5 N attraction force to attract an external puncture needle and prevent deviation, it is ensured that a needle head is attached to the inner wall of the guide cylinder in a gapless mode, the needle is slowly inserted in the guide cylinder direction, and the needle inserting depth is controlled according to surgical specifications; the practicability of the ventricular puncture positioning sterile film based on the external auditory canal-inner canthus coordinate system is improved.