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34 results about "Extraocular muscles" patented technology

The extraocular muscles are the six muscles that control movement of the eye and one muscle that controls eyelid elevation (levator palpebrae). The actions of the six muscles responsible for eye movement depend on the position of the eye at the time of muscle contraction.

Thyroid-related eye disease auxiliary verification method based on SPECT / CT and federated learning

PendingCN120689316AImage enhancementImage analysisExtraocular musclesAccurate segmentation
The invention discloses a thyroid-related eye disease auxiliary verification method based on SPECT / CT and federal learning. The thyroid-related eye disease auxiliary verification method comprises the steps that A, image data standardization and orbit area extraction are carried out; b, extracting a preliminary segmentation mask of each rectus in the CT image; c, fusing the structure prior mask, and obtaining an extraocular muscle fine segmentation mask through multi-mode collaborative segmentation; d, utilizing extraocular muscle fine segmentation masks, SPECT and CT images, fusing segmentation prior and multi-modal features to perform deep discrimination, performing automatic prediction of thyroid-related eye disease activity staging, and outputting a prediction probability; and E, based on a dynamic model combination strategy of style similarity and uncertainty quantization, obtaining a dynamic combination model of segmentation and classification adapted to new domain feature distribution, and predicting TAO activity. According to the method, accurate segmentation of extraocular muscle structures and accurate prediction of TAO activity in an invisible data center can be realized, auxiliary verification data support is provided for diagnosis of thyroid-related eye diseases, and the diagnosis accuracy is improved.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Three-dimensional medical image segmentation method and system for thyroid-related eye diseases

The invention provides a three-dimensional medical image segmentation method and system for thyroid-related eye diseases, and is applied to the technical field of data processing. Multi-modal medical image data, a coarse-grained segmentation result and a fine-grained segmentation result are obtained, the multi-modal medical image data comprise a CT image and an MRI image, the multi-modal medical image data are preprocessed, a fused image body is generated, and the fused image body is formed by registration and feature fusion of the CT image and the MRI image; processing the fused image body and the coarse-grained segmentation result to generate a fine segmentation result; processing the fine segmentation result to generate a preliminary segmentation mask; processing the preliminary segmentation mask and the multi-modal medical image data to generate a mixed loss function; and processing the preliminary segmentation mask, the mixed loss function and the extraocular muscle attachment point position based on a dynamic post-processing strategy to generate a final segmentation result.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Children visual function training system and method based on ciliary muscle adjustment

The invention belongs to the technical field of child visual training, and particularly relates to a child visual function training system and method based on ciliary muscle adjustment. The child visual function training system based on ciliary muscle adjustment comprises a collaborative acquisition module and a dynamic training module. The collaborative acquisition module acquires an anterior segment image of an eyeball in real time through a built-in image acquisition unit so as to identify eye features, acquires extraocular muscle pressure deformation data through a built-in pressure acquisition unit, and then associates and analyzes the eye features and the extraocular muscle pressure deformation data through a built-in data fusion unit; a mapping model is established according to the analysis result, the refractive power change of the crystalline lens is calculated, and the calculation result is processed into the ciliary muscle adjustment amount; the dynamic training module determines training parameters in combination with child individual data and historical data acquired by the collaborative acquisition module, and dynamically adjusts training duration and light wave parameters according to the ciliary muscle adjustment amount, thereby solving the problems of poor child training effect and safety risk in the training process.
Owner:CHENSHIMING HEALTH TECHNOLOGY (CHONGQING) CO LTD

Accurate regulation and control injection device for extraocular muscle toxin

The invention discloses a precise regulation and control injection device for extraocular muscle toxin, and belongs to the technical field of medical instruments. The precise regulation and control injection device for extraocular muscle toxin comprises a microneedle assembly, a handle, a suction head and an injection regulation and control part, wherein the injection regulation and control part is used for controlling the microneedle assembly to be connected with the suction head. When the precise regulation and control injection device for the extraocular muscle toxin is used, the micro-needle assembly can be in suction connection with the suction head arranged at the tail end of the handle through adjustment of the injection regulation and control part, so that in the process that an operator injects the extraocular muscle toxin to a patient, it is ensured that a micro-needle does not deviate or loosen in the injection process, and the injection efficiency is improved. The precise positioning of an injection part is ensured; and the injection regulation and control part can regulate the action range of the microneedle on the microneedle assembly to be more concentrated, so that the concentration of the action range of the medicine and the accurate delivery of the medicine to the target muscle layer can be ensured, the out-of-control diffusion of the medicine is avoided, and the risk of penetrating through the sclera is reduced.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Intraocular extraocular muscle trainer

ActiveCN309624299SBiologyExtraocular muscles
1. The name of the design product: intraocular and extraocular muscle trainer. 2. The use of the design product: intraocular and extraocular muscle trainer. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.
Owner:林春葳 +1

Extraocular muscle injection fixator

The utility model relates to the technical field of injection fixators, and particularly discloses an extraocular muscle injection fixator which comprises operating forceps and a fixing ring, and a mounting frame is rotatably mounted on the operating forceps; the transverse displacement assembly is arranged on the mounting frame, and the transverse displacement assembly is used for transversely adjusting the position of the operating forceps; the longitudinal displacement assembly is arranged on the transverse displacement assembly, and the longitudinal displacement assembly is used for adjusting the position of the operating forceps in the longitudinal direction; the fixing assembly is arranged on the operating forceps and used for fixing the opening angle of the operating forceps when the operating forceps clamp muscles, it can be guaranteed that the operating forceps and a patient are relatively static, the possibility of accidents is reduced, after the operating forceps clamp the extraocular muscles, a bolt is screwed, and the operating forceps are fixed through the fixing assembly. A doctor can loosen two hands to perform other operations, manpower is saved, and the safety of the operation is improved.
Owner:SHANDONG MINGRUN EYE HOSPITAL GROUP CO LTD

Ophthalmic components

PendingJP2026061540ASenses disorderMuscular disorderExtraocular musclesOPHTHALMOLOGICALS
The present invention provides an ophthalmic composition that can directly reach the extraocular muscles and treat or prevent their fatigue. [Solution] An ophthalmic composition containing one or more compounds selected from the group consisting of azulene sulfonic acid, cyanocobalamin, and salts thereof, wherein the compounds reach the extraocular muscles. An ophthalmic composition containing one or more compounds selected from the group consisting of azulene sulfonic acid, cyanocobalamin, and salts thereof, used for the treatment and / or prevention of fatigue of the extraocular muscles.
Owner:ROHTO PHARM CO LTD

Strabismus demonstration model

ActiveCN223897981UEducational modelsOcular muscleStrabismus surgery
The strabismus demonstration model comprises a head model and an eyeball model assembly, the head model is provided with eye sockets, the eyeball model assembly is installed in the eye sockets and comprises eyeball beads and extraocular muscle simulation assemblies, the eyeball beads are connected with the extraocular muscle simulation assemblies, and the extraocular muscle simulation assemblies are connected with the eyeball beads. The eye muscle simulation assembly comprises six elastic rubber strips, a large fixing ring and a small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at corresponding positions. According to the strabismus demonstration model, the head model and the eyeball model assembly are arranged, the eyeball model assembly comprises the six elastic rubber strips, the large fixing ring and the small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at the corresponding positions; therefore, strabismus formation and treatment effects can be visually displayed, and doctors, patients and family members of the doctors, the patients and the family members of the doctors can conveniently understand complete extraocular muscles and strabismus surgery principles.
Owner:CHANGSHA XIANGJIANG AIER EYE HOSPITAL CO LTD

A strabismus three-dimensional mapping method and system based on a knowledge graph

PendingCN122347640AFeature vectorGraph spectra
The application relates to the technical field of knowledge graph, and particularly provides a strabismus three-dimensional mapping method and system based on a knowledge graph, which comprises the following steps: taking a starting point space coordinate, a patient corneal reflection point offset and an eyeball rotation center coordinate as attribute values of an entity node, establishing a directed connection edge between nodes according to a fixed attachment relationship between muscles and eyeballs and between muscles and bone walls in anatomy, and constructing an initial heterogeneous graph by all entity nodes and the directed connection edge; weighting and aggregating attribute values of neighborhood nodes connected by the directed connection edge of each node in the obtained initial heterogeneous graph to obtain an aggregated feature vector of the node; and mapping all node coordinates in each obtained sub-graph to a unified three-dimensional coordinate system, and adjusting the relative positions between the sub-graphs so that all positioning base points are located on a plane. The application realizes systematic mapping and pathological posture analysis of three-dimensional space configurations of eye external muscles of a strabismus patient.

Eye movement guiding device for eye muscle exercise and using method thereof

InactiveCN120643403AEye exercisersMechanical engineeringExtraocular muscles
The invention discloses an eye movement guiding device for eye muscle exercise and a using method thereof, and relates to the technical field of vision health care instruments, the eye movement guiding device comprises a shell, a multi-dimensional adjusting mechanism and a sighting mark; the multi-dimensional adjusting mechanism is arranged in the shell, the sighting mark is arranged on the multi-dimensional adjusting mechanism, and the multi-dimensional adjusting mechanism drives the sighting mark to move in the shell; wherein the multi-dimensional adjusting mechanism comprises an X-axis track, a Y-axis track and a Z-axis track; the Y-axis track is arranged in the shell; the X-axis track is arranged on the Y-axis track, and the Y-axis track is used for driving the X-axis track to slide; the Z-axis track is arranged on the X-axis track, and the X-axis track is used for driving the Z-axis track to slide; the sighting mark is arranged on the Z-axis track, the Z-axis track is used for driving the sighting mark to slide, the eyeballs can rotate along with the sighting mark, ciliary muscles, six extraocular muscles and a choroidal system are synchronously activated, the extraocular muscles improve coordination and glancing ability in three-dimensional track movement, and plane fixation stiffness of short-distance eye use is broken.
Owner:QUZHONG (SHANGHAI) TECHNOLOGY CO LTD

Method, device and program product for constructing enophthalmos pathology assessment model

ActiveCN120125936BImage enhancementImage analysisEnophthalmosOptic nerve
The present invention belongs to the field of intelligent medical treatment, and specifically relates to a method, device, and program product for constructing an enophthalmos lesion volume assessment model. The method comprises: obtaining an image set of an enophthalmos patient; annotating the image set to obtain the orbital tissue area boundaries of the healthy side and the affected side, wherein the orbital tissue includes the eyeball, orbital fat, and any one or more of the following: extraocular muscles, optic nerve, cornea, and lacrimal gland; extracting the orbital tissue volumes of the healthy side and the affected side based on the orbital tissue area boundaries, and calculating the orbital tissue volume changes of the affected and healthy sides; using the image set as a training data set, and the orbital tissue volume changes as a prediction target input into a neural network model, and obtaining an enophthalmos lesion volume assessment model after training. The present application takes into account the changes in the finely divided orbital tissue volume, and at the same time integrates the relative volume changes, so as to more accurately quantify the amount of enophthalmos lesions and achieve better correction effects after surgery.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Eye appendage simulation model based on sensor technology and use method thereof

The invention discloses an eye appendage simulation model based on a sensor technology and a using method thereof.The eye appendage simulation model comprises a simulation device and a simulation training system, the simulation device is a head model constructed according to a human body structure in a simulated mode and is provided with a simulated eyeball front section structure and an eye appendage structure, and the simulation training system is connected with the simulation training system. The eyeball front section structure comprises bulbar conjunctiva and cornea, the eye accessory device structure comprises eyelids, meibomian glands, conjunctiva, lacrimal devices, extraocular muscles and eye sockets, pressure sensors are arranged in parts included by the eye accessory device, and the simulation training system can perform detailed analysis on the massage training process by processing sensor signals. And scoring the training result, and judging whether the massage cleaning technique is skilled and appropriate or not and whether proper force can be used during massage cleaning or not on the basis of the scoring result, so that the eye accessory is prevented from being damaged during treatment, and the purposes of investigating and training the operation technique and professional level of the medical personnel are achieved.
Owner:WUHAN AIER EYE HANKOU HOSPITAL CO LTD

An interactive eye movement and neuropathology simulation teaching system

PendingCN122658153AWireless controlOculomotor nerve
The application discloses an interactive eyeball movement and neuropathology simulation teaching system, and relates to the technical field of medical education tools, and comprises a physical eyeball model module, a movement execution control module, a wireless communication module, a mobile terminal interaction module, a digital twin display module and a neuropathology simulation module. The system drives the physical eyeball to move in multiple degrees of freedom through a servo motor, and realizes wireless control and three-dimensional digital twin synchronous display through a mobile terminal. The system can simulate normal eyeball movement, the innervation relationship of the extraocular muscles, and the pathological state after the oculomotor nerve, the trochlear nerve and the abducens nerve are damaged, and can reproduce typical clinical signs through algorithms such as movement range limitation, resting position bias and dynamic gain adjustment, and can also control eyeball movement in real time according to user gestures and analyze movement abnormalities. The application has the functions of entity interaction, digital visualization and pathology simulation, and is suitable for medical teaching, neural rehabilitation training and clinical auxiliary teaching scenes.
Owner:YANCHENG BOHAN BIOTECHNOLOGY CO LTD

A single-graph naked-eye 3D vision training method and device

A single-image naked-eye 3D vision training method and device disclosed by the present invention belong to the field of vision training. By using computer technology to construct a moving image with the characteristics of single-image naked-eye 3D with horizontal repetitive composition, a 3D animation with dynamic regular changes in the depth of field of the visual content is formed, guiding and activating the relaxation movements of the ciliary muscle, extraocular muscle, sphincter muscle and dilator muscle in the naked-eye 3D visual state, so as to achieve the protection and improvement of the user's vision. Among them, when the content of the repetitive unit of the repetitive composition is extended to multiple text combinations or article paragraphs, the single-image naked-eye 3D method is used to perform text reading in the activated binocular naked-eye 3D visual state, while achieving the improvement of reading ability and vision.
Owner:SHAANXI SECSHENG INTELLIGENT TECH CO LTD

Adjustable extraocular muscle retractor for strabismus correction

The invention discloses an adjustable extraocular muscle retractor for strabismus correction, and relates to the technical field of medical instruments.The adjustable extraocular muscle retractor comprises a shear fork frame and a shell, horizontal sliding blocks are rotationally connected to the two ends of the bottom of the shear fork frame, the outer sides of the two sliding blocks are slidably sleeved with the same fixing frame, and a driving mechanism is arranged in the shell and comprises a first inner gear ring; the sliding block is horizontally and rotatably connected to the bottom end of the inner arc wall of the shell; according to the invention, through the rotary connection design of the shear fork frame and the shell and the cooperation of the driving mechanism, a user can rotate the shear fork frame to adjust the operation angle, so that an assistant does not need to keep a fixed posture and can naturally rotate the hand to a comfortable angle, the distance between the two traction arms can be adjusted at any angle, and fatigue caused by backhand operation is avoided; the shell rotates without changing the position of the traction arm, interference of traditional hand changing operation on the visual field of a surgeon is avoided, the operation angle can be adjusted without hand changing, and the situation that an instrument mistakenly touches eyeballs is reduced.
Owner:AFFILIATED CHILDRENS HOSPITAL OF CAPITAL INST OF PEDIATRICS

Novel strabismus hook

The utility model relates to a novel strabismus hook which comprises an outer shell, a first drag hook fixedly connected with the outer surface of the outer shell and perpendicular to the bottom face of the outer shell, and a second drag hook fixedly connected through a connecting rod, one end of the second drag hook is inserted into the outer shell, the other end of the second drag hook extends outwards from the interior of the outer shell, and scale marks are arranged on the surface of the connecting rod. The starting point on the scale line corresponds to the position of the joint of the second drag hook and the connecting rod, the first drag hook and the second drag hook are located on the same side of the connecting rod and are parallel to each other, the end of the connecting rod is connected with a moving assembly, and the second drag hook is driven to move in the direction away from or close to the first drag hook through translation movement of the moving assembly. According to the utility model, a doctor is helped to determine the operation amount of extraocular muscle interception, the measurement result is more accurate, one doctor can simultaneously straighten and fix the extraocular muscle position muscle and directly measure the distance between the two draw hooks in the process, and the operation is simple and rapid.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Method for preparing muscle stem cell exosome for delaying extraocular muscle degeneration, product obtained thereby, and use thereof

Provided is a method for loading a muscle stem cell exosome with a Notch activator and a senolytic drug, fisetin, that is capable of targeting and killing senescent cells, and further with lutein that has an eye protection effect, such that senescent muscle cells can be eliminated while the regeneration of muscle stem cells is promoted. By means of high-activity stem cell separation and culture technology, combined with exosome large-scale preparation and separation technology, simple and low-cost exosome drug-loading technology, senescent cell targeted clearance technology, etc., the present invention effectively helps to ameliorate the problems of extraocular muscle aging and atrophy, and can be widely applied to the damage repair of various muscle tissues. The present invention provides a new option for ameliorating the symptom of degeneration of extraocular muscle function, and has outstanding advantages in terms of safety, biocompatibility, and effectiveness.
Owner:SHANDONG FIRST MEDICAL UNIV & SHANDONG ACADEMY OF MEDICAL SCI

Deep learning method for detecting activity of thyroid-associated ophthalmopathy based on spect / ct

The present application relates to a kind of deep learning method based on SPECT / CT detection thyroid-related eye disease activity, including two stages of eye muscle segmentation stage and activity staging classification, in the eye muscle segmentation stage, first, the CT image of eye is three-dimensional reconstruction, and training eye muscle semantic segmentation model, finally using the eye muscle segmentation model of well-trained in test set eye muscle mask;In the classification stage of judging whether thyroid-related eye disease is in active period, three-channel data are formed by using eye muscle mask, SPECT and CT image, and three-channel data are used to train classification model, SPECT / CT image and the eye muscle mask of patient are combined into three-channel image and input into classification model, and finally the activity of thyroid-related eye disease is output by the trained classification model.Through the deep learning method of two stages, the activity of thyroid-related eye disease is automatically classified.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY +1

Clip for eye muscle surgery

ActiveUS12390218B2Suture equipmentsIncision instrumentsOcular muscleExtraocular muscles
An extraocular muscle clip (22) for correcting strabismus includes upper and lower plates (24, 26) which are couplable together to sandwich and grasp extraocular muscle (42). A delivery tool (50) delivers the clip (22) and includes a shaft (52) and a muscle hook (56) that is slidable underneath the extraocular muscle (42) to position the lower plate (26) of the clip (22) underneath the muscle (42). An integrated blade (60) of the tool (50) cuts the extraocular muscle (42) subsequently to grasping of the muscle (42) by the upper and lower plates (24, 26) of the clip (22). One or more sutures (30) are coupled to the upper plate (24) and / or the lower plate (26) of the clip (22) and facilitate recoupling of the extraocular muscle (42) to a globe of the eye (40) following cutting of the extraocular muscle (42). Other embodiments are also described.
Owner:RAMBAM MEDTECH LTD

Electric control model for simulating movement of double eyeballs and extraocular muscles of human body

The utility model discloses an electric control model for simulating movement of double eyeballs and extraocular muscles of a human body, which comprises a base, two simulation eye socket frames are symmetrically arranged on the surface of the base, a simulation eyeball is arranged in each simulation eye socket frame, a supporting bracket is fixedly arranged in each simulation eye socket frame and on the surface of the base, and the supporting bracket is fixedly connected with the base. One end, extending into the simulation eyeball, of the simulation eyeball is provided with an eye position which is used for driving the simulation eyeball to move under the action of each extraocular muscle and can simulate several types of common strabismus through a preset program; wherein the simulation eye socket frame is made of a transparent material, the exterior of the simulation eyeball is connected with six ligaments of simulation extraocular muscles, and the driving assembly is mainly formed by stacking two steering engines and can be controlled through a remote controller. The electronic control model is simple in structure and convenient to operate, not only can clearly and visually display the movement change process of the two eyeballs and extraocular muscles, but also can present the complex antagonism or collaboration relationship between the extraocular muscles, and provides great convenience for ophthalmology teaching.
Owner:SECOND AFFILIATED HOSPITAL OF COLLEGE OF MEDICINEOF XIAN JIAOTONG UNIV

Magnetic resonance imaging-based extraocular muscle extracellular volume measurement system and method

PendingCN120392064AMagnetic property measurementsSensorsOcular muscleFibrosis
The invention discloses an extraocular muscle extracellular volume measurement system and method based on magnetic resonance imaging, and relates to the technical field of medical image processing and quantitative measurement, and the technical key points are as follows: obtaining enhanced T1mapping sequence horizontal axial image data comprising extraocular muscle after plain scanning and 10 minutes delay through MRI equipment; a region of interest used for calculating a T1 value is obtained on the extraocular muscle T1mapping image; calculating the longitudinal relaxation time (T1 value) of each pixel of the extraocular muscle based on the T1mapping sequence; the extracellular volume (ECV) is calculated through a formula according to the blood T1 value and the hematocrit parameter; and constructing an extraocular muscle three-dimensional model and visualizing ECV distribution. The method has the effects of breaking through the invasive limitation of traditional biopsy, accurately quantifying the extracellular volume of the extraocular muscle, and providing an important basis for diagnosing ocular muscle fibrosis, inflammatory pseudotumor, thyroid-related eye diseases and the like.
Owner:SHENZHEN BAOAN DISTRICT FUYONG PEOPLES HOSPITAL

Eye massager for vision recovery exercise

PCT designated stageWO2025183236A1GogglesDevices for pressing relfex pointsAcupressureExtraocular muscles
Disclosed is an eye massager for vision recovery exercise. According to the present invention, while worn on the user's head, a plurality of acupressure protrusions around the eyes perform acupressure and massage action, thereby relaxing muscles around the eyes, and a gaze guidance module can guide the user's gaze to naturally enable exercise of muscles constituting the extraocular muscles, thereby providing vision recovery and vision enhancement effects, and thus the effect of increasing consumer satisfaction with the product is expected.
Owner:CAREMEDI CO LTD

Mobile device for generating and moving a laser beam in a predetermined manner

The invention relates to the field of eye health, especially to devices and methods for extraocular muscle training.Extraocular muscle training device (1) comprises a laser device (2) configured to generate a laser beam (3), a manipulator (4) connected to the laser device (2) and configured to move the laser device (2) so that the laser point (33) of the laser beam (3) generated by the laser device (2) can be moved around onto the surface (9) in a predetermined pattern (10). During its use, the device (1) is positioned in proximity of the user (11); the laser beam (3) is generated onto a surface (9; 19) within the range of the vision field of the user (11); and the laser point (33) of the laser beam (3) is positioned in a predetermined pattern (10) so that the eyes of the user (11) may track the laser point (33).
Owner:EYE ROLL SIA

Ciliary muscle accommodation-based child visual function training system and method

The scheme belongs to the technical field of children's vision training, and particularly relates to a children's visual function training system and method based on ciliary muscle accommodation. The children's visual function training system based on ciliary muscle accommodation comprises a cooperative acquisition module and a dynamic training module. The cooperative acquisition module acquires real-time eyeball anterior segment images through an inbuilt image acquisition unit to identify eye features, acquires eye muscle pressure deformation data through an inbuilt pressure acquisition unit, and then correlates and analyzes the eye features and the eye muscle pressure deformation data through an inbuilt data fusion unit. A mapping model is established according to the analysis result, and the change in the lens refractive power is calculated. The calculation result is processed as the ciliary muscle accommodation amount. The dynamic training module determines training parameters in combination with individual data of children and historical data acquired by the cooperative acquisition module, and dynamically adjusts the training duration and light wave parameters according to the ciliary muscle accommodation amount, thereby solving the problems of poor training effect of children and safety risks in the training process.
Owner:CHENSHIMING HEALTH TECHNOLOGY (CHONGQING) CO LTD

Establishment method, equipment and program product of eyeball indentation lesion quantity evaluation model

ActiveCN120125936AImage enhancementImage analysisEnophthalmosOptic nerve
The invention belongs to the field of intelligent medical treatment, and particularly relates to a construction method and device of an eyeball retraction lesion quantity evaluation model and a program product. The method comprises the following steps: acquiring an image set of an eyeball indentation patient; marking the image set to obtain orbital cavity tissue area boundaries of the uninjured side and the affected side, wherein orbital cavity tissue comprises eyeballs, orbital fat and any one or more of the following components: extraocular muscle, optic nerve, cornea and lacrimal gland; on the basis of the orbital cavity tissue region boundaries, orbital cavity tissue volumes of the uninjured side and the affected side are extracted respectively, and orbital cavity tissue volume variations of the affected side and the uninjured side are calculated; and inputting the image set as a training data set and the orbital cavity tissue volume variation as a prediction target into a neural network model for training to obtain an eyeball retraction lesion volume evaluation model. According to the method, the volume change of the finely divided orbital cavity tissue is considered, and meanwhile, the relative volume change is synthesized, so that the quantification of the lesion quantity of the eyeball retraction is more accurate, and a better correction effect can be achieved after an operation.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

An eye muscle shortening precise positioning auxiliary suture forceps

The utility model discloses a kind of eye extraocular muscle shortening precision positioning auxiliary suture forceps, it is related to medical instrument technical field, including lower tongs head (1), upper tongs head (2), tongs neck (3), shaft connection fixed buckle (4), shaft connection surface (5), tong leg (6), tong leg adjusting assembly (7) and tongs handle part (8);The bottom end of lower tongs head (1) and upper tongs head (2) is connected to be arranged on the upper end of tongs neck (3), the lower end of tongs neck (3) is connected with the upper end of tong leg (6), shaft connection surface (5) is set in the shaft part position of the upper end of tong leg (6), shaft connection fixed buckle (4) is fixed on shaft connection surface (5), two tong legs (6) are connected by shaft connection fixed buckle (4), the lower end of tong leg (6) is connected with tongs handle part (8), tong leg adjusting assembly (7) is set in the bottom of two tong legs (6).The suture forceps significantly improve the accuracy of new muscle insertion site positioning in eye extraocular muscle shortening surgery, and can also simplify the suture operation steps and reduce the difficulty of surgery.
Owner:TIANJIN EYE HOSPITAL

System and method for measuring extracellular volume of extraocular muscle based on energy spectrum CT (Computed Tomography)

PendingCN120655585AImage analysis3D modellingOcular muscleFibrosis
The invention discloses an extraocular muscle extracellular volume measurement system and method based on energy spectrum CT, and relates to the technical field of medical image processing, and the technical key points are as follows: obtaining energy spectrum CT medical image data including an iodine density image of extraocular muscles and a blood pool; acquiring hematocrit data; obtaining a region of interest for calculating an iodine density value on the iodine density image of the energy spectrum CT; the extracellular volume (ECV) is calculated through a formula according to the blood T1 value and the hematocrit parameter; and constructing an extraocular muscle three-dimensional model and visualizing ECV distribution. The method has the effects of breaking through the invasive limitation of traditional biopsy, accurately quantifying the extracellular volume of the extraocular muscle, and providing an important basis for diagnosing ocular muscle fibrosis, inflammatory pseudotumor, thyroid-related eye diseases and the like.
Owner:SHENZHEN BAOAN DISTRICT FUYONG PEOPLES HOSPITAL

An adjustable extraocular muscle pull

The utility model provides an adjustable eye muscle pull hook relates to ophthalmic surgical instrument field, including screw rod, measuring tape and fixed in the screw rod's distraction assembly, the distraction assembly includes the screw cap fixed in screw rod one end and the adjustment knob of screw thread fixed on screw rod, still include the support frame fixed on the screw cap and the moving support of rotation fixed on the adjustment button, the moving support and support frame cross connection have two support rods, and the support rod is rotation fixed on the moving support and support frame respectively, the support rod bottom is equipped with the cross hook. With this, the manpower is lightened, and the stable fixing and accurate measurement are provided. With this, the problem that the operation is inconvenient and is not fixed firmly is avoided.
Owner:EYE HOSPITAL AFFILIATED TO NANCHANG UNIV

Cantilever type extraocular muscle strength measuring instrument based on ultrasonic positioning

The invention discloses a cantilever type extraocular muscle strength measuring instrument based on ultrasonic positioning, and relates to the field of ophthalmology medical instruments. The instrument comprises tweezers, a limiting device, a cantilever type pressure-sensitive force value monitoring system, a fixator and an ultrasonic integrated generator, and the limiting device, the cantilever type pressure-sensitive force value monitoring system and the fixator are sequentially arranged on the tweezers from left to right. An ultrasonic receiver for receiving a signal of the ultrasonic integrated generator is arranged on each of three surfaces of the fixer; the limiting device comprises a limiting column and a limiting buckle provided with a plurality of limiting grooves, and the limiting buckle is fixed in the different limiting grooves in the limiting column according to different requirements. According to the cantilever type extraocular muscle strength measuring instrument based on ultrasonic positioning, fixed-point and accurate measurement of extraocular muscle strength is achieved, and meanwhile the portability of the measuring instrument is improved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Clip for eye muscle surgery

PendingUS20250318827A1Suture equipmentsIncision instrumentsOcular muscleExtraocular muscles
An extraocular muscle clip (22) for correcting strabismus includes upper and lower plates (24, 26) which are couplable together to sandwich and grasp extraocular muscle (42). A delivery tool (50) delivers the clip (22) and includes a shaft (52) and a muscle hook (56) that is slidable underneath the extraocular muscle (42) to position the lower plate (26) of the clip (22) underneath the muscle (42). An integrated blade (60) of the tool (50) cuts the extraocular muscle (42) subsequently to grasping of the muscle (42) by the upper and lower plates (24, 26) of the clip (22). One or more sutures (30) are coupled to the upper plate (24) and / or the lower plate (26) of the clip (22) and facilitate recoupling of the extraocular muscle (42) to a globe of the eye (40) following cutting of the extraocular muscle (42). Other embodiments are also described.
Owner:RAMBAM MEDTECH LTD