44 results about "Ocular orbit" patented technology

A method for constructing a clinically-relevant large animal model of traumatic optic neuropathy, employing a goat with orbital anatomy and optic nerve structure similar to humans as a model animal, overing the defects existing in other animals as TON model animals. The target model goat is obtained by screening parameters, such as a maximum transverse diameter of a coronal plane of a body of sphenoid bone and a wall width of a sphenoid bone, thereby facilitating the exposure of an optic nerve in a optic-canal segment under a nasal endoscopic surgery and quantitative injury. With the optic nerve injury animal model, the clinical TON pathogenesis can be explored by studying the optic nerve at the injured optic canal. In the prepared TON animal model, the injured optic nerve is closer to the brain, which is beneficial to rebuilding the synaptic connection.

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.

Devices and associated methods are described that provide needle extension / retraction with fine control, for in-situ needle advancement into biological spaces, thin cavities and tissues, such as those in the eye, for fluid / drug / material delivery or drainage. The device includes a distal end portion of the device with a lateral surface from which a needle extends when the lateral surface is adjacent to a biological surface, allowing injections in hard-to-reach locations, such as behind the eyelid and posterior to the superior or inferior orbital rim. In at least one embodiment, a needle advancement mechanism is also coupled to increase fluid pressure during fluid injection. In at least one embodiment light shone from the distal end portion of the device or through the needle bore helps to localize an injection site for a user looking inside the eye via changes in light intensity and / or light color depending on the needle tip depth.

The invention belongs to the technical field of medical treatment, and discloses a traditional Chinese medicine ophthalmology examination device convenient for angle adjustment, which comprises an eye socket frame, the whole eye socket frame is composed of two, when a doctor examines an eye area of a patient, the doctor continuously rotates a second rotating shaft, and the eye area of the patient is adjusted. A second rotating shaft drives a bottom rotating rod to drive a straight rod piece connected with a top rotating shaft of an L-shaped frame to rotate, the straight rod piece rotates to drive a top half gear to rotate intermittently, and the half gear rotates intermittently to drive an internal and external tooth belt wheel to rotate intermittently. The inner wall of the flashlight body is fixedly connected with the inner wall of the flashlight body through a batten, so that the situation that muscle fatigue of the hands of a doctor occurs when the doctor holds the flashlight body to observe a wound in the eye area of the patient for a long time, and the time for observing the eyes of the patient is slowly prolonged is effectively reduced; and finally, the queuing time of later patients for seeing a doctor is prolonged.

PROBLEM TO BE SOLVED: To provide a needle instrument for orbital fat relocation surgery which reduces conjunctival scars by minimizing incision of the conjunctiva inside the eye and facilitates internal fixation. SOLUTION: The arc-shaped orbital fat relocation surgical needle device 10 used for fixing the orbital fat to be rearranged downward in the lacrimal groove, and the body portion 100 grabbed by the needle holder. One piece 210 and the other piece 220 are formed on both sides of the body portion 100 so as to gradually extend, one piece 210 consists of a round tip with a blunt tip, and the other piece 220 consists of a sharp round tip. The needle portion 200, which is configured to have a tip cut into a triangular shape, and the through hole 310 are 1 / 5 to 1 / 6 of the length of the entire arc from one end of one piece 210 of the needle appliance 10. After the thread is formed by penetrating through the position corresponding to the groove and the thread is connected, or the thread is formed by penetrating the through hole 310 and the thread is connected, the body portion 100 is squeezed by a press machine to bond the thread. Includes part 300. [Selection diagram] Fig. 2a

The invention provides a head fixing device for mouse eye socket blood sampling, and relates to the technical field of mouse eye socket blood sampling assistion.The head fixing device comprises a bottom plate, a locking bin is connected to the outer wall of the left end of the bottom plate through a plurality of supporting columns, a second sliding rail is arranged at the top end of the locking bin, and a sealing baffle is connected to the inner wall of the second sliding rail through a locking assembly; a first sliding rail is arranged on the right side of the top end of the bottom plate, and second sliding groove plates are fixedly connected to the upper end and the lower end of the outer wall of the first sliding rail. Shaking of a mouse body and a mouse tail is eradicated through double-layer relocking, a bottom plate anti-skid pad guarantees the overall stability of the device, safe and reliable tail restraint is achieved, operation interference is avoided, the head of a mouse naturally and stably leans backwards, lossless rigid fixing is achieved, smooth breathing is guaranteed, reliable body position guarantee is provided for refined operation, and the device is suitable for popularization and application. And the mouse biting behavior is physically inhibited, so that the head positioning precision is enhanced, and the experimental operation safety is remarkably improved.

The present invention discloses an automatic eye drop positioning assistor, which relates to the technical field of eye drop dripping; it includes an orbital fitting piece, on which a lacrimal sac positioning piece is installed, and the lacrimal sac positioning piece is used for fitting and pressing the lacrimal sac; a dripping liquid storage part is installed on the orbital fitting piece; the dripping liquid storage part is used for storing eye drops; a dripping liquid level limiting piece is installed on the dripping liquid storage part; a dripping liquid pressing piece is installed on the dripping liquid storage part; the dripping liquid level limiting piece can be used when using this structure to ensure that the patient's head can lean back and remain relatively horizontal to prevent the medicine from quickly overflowing when the patient does not lean back the head when dripping eye drops; to solve the problem that the current automatic eye drop positioning assistor is not convenient for closing the lacrimal sac, and the amplitude of the patient's head leaning back is not easy to control during use, affecting the curative effect.

A device and method of use for measuring and modifying orbital content volume, pressure, blood flow, venous drainage, lymphatic drainage, and pulsatility of a subject's eye socket(s) (orbits) are provided. The device includes goggles including at least one chamber in front of the orbit that serves to expand the functional orbital volume to include the orbital contents and the space inside the chamber, at least one pressure measuring sensor, means for controlling the pressure inside the chamber such as a release valve, pump and / or vacuum device in fluid communication with the chamber, a processing and control mechanism, means of communication, and a power supply. The control mechanism can be operatively coupled to the pump, vacuum, release valve device and can maintain a predetermined pressure or pressure modulation in response to the measured pressure in the chamber when the device is worn by a subject.

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.

In a method of non-invasively obtaining information on intracranial pressure of a patient, during a first time period, a plurality of facial veins of the patient are occluded by applying external pressure to each of the plurality of facial veins, which emanate from the periorbital region. During the first time period, external pressure is applied to a designated vein (17) connected to an intracranial vessel at a location within the region, upstream of the occlusion of the plurality of facial veins. Changes in the geometry of the designated vein (17) caused by the external pressure are observed to obtain at least one first value related to venous pressure in the designated vein (17). The at least one first value is processed to obtain information on intracranial pressure. The method enables measuring pressure values that are closely related to intracranial pressure without the need for measurements within the intracranial space. Instead, an occlusion establishes a direct pressure communication between the intracranial vessel and the designated vein, which can be easily examined outside the head.

The utility model relates to the field of medical instruments, in particular to a split type eye light sensation monitoring device used after an orbit operation, which enables detection to be more convenient and comprises a transmitting end and a receiving end, and the transmitting end and the receiving end are of mutually independent structures. The transmitting end comprises a transmitting part and a holding part, the transmitting part comprises a transmitting end resonance module and a power supply, and the transmitting end resonance module is connected with the power supply; the holding part comprises a holding part shell, and the emitting part is arranged in the holding part shell; the receiving end comprises a receiving end resonance module, and the receiving end resonance module comprises an LED lamp; and the transmitting end resonance module lightens the LED lamp of the receiving end resonance module through resonance excitation. The eye light sensation monitoring device is particularly suitable for eye light sensation monitoring after an eye socket operation.

A system (201) includes a first implant (210) and a second implant (240), both configured to be placed within an orbit of a mammal. The first implant includes a first alignment edge (216) forming a portion of an outer perimeter of the first implant, having a length extending from a first portion of the first implant configured to be placed on an inner portion of the orbit to a second portion of the first implant configured to be placed on an outer portion of the orbit. The second implant includes a second alignment edge (246) forming a portion of an outer perimeter of the second implant, having a length extending from a first portion of the second implant configured to be placed on an inner portion of the orbit to a second portion of the second implant configured to be placed on an outer portion of the orbit. Further, the first alignment edge and the second alignment edge are aligned along a majority of the length of the respective alignment edges.

According to the technical scheme, the invention discloses a method for accurately detecting eye CT (Computed Tomography) lesions through double-branch vision Transformer. The dual-branch ViT structure provided by the invention aims at the characteristics (1) of orbit CT (Computed Tomography): lesions are concentrated in a relatively small area, but the global perception ability still needs to be reserved; 2, the anatomical structure is fine and sensitive to down-sampling operation; however, full-size CT input easily causes unobvious features), overall and local branches can be mutually referenced and supplemented through a cross attention fusion mechanism, the feature capture ability of small focuses is significantly improved, effective cognition of the overall anatomical structure is maintained, and the probability that the features of the small focuses are not obvious is reduced. While the details of the lesion area in the orbit CT are efficiently and accurately captured, the overall anatomical background information is taken into account.

The invention belongs to the field of intelligent medical treatment, and particularly relates to a method, equipment and medium for predicting the prognosis effect of fat transplantation treatment of eyeball retraction. The method comprises the following steps: S1, acquiring a bony orbital volume difference, an orbital cavity tissue soft body volume difference, an eyeball convexity variable quantity and a preoperative injection volume of a patient to be treated before an operation; s2, based on the difference between the preoperative injection volume and the volume of the orbital cavity soft tissue, obtaining a predicted difference between the volume of the orbital cavity soft tissue after an operation; and S3, inputting the bony orbital volume difference and the predicted postoperative orbital cavity soft tissue volume difference into any prediction model of the eyeball convexity variation to obtain the predicted postoperative eyeball convexity variation. The absorption coefficient is obtained through clinical data evaluation; on the basis of the absorption coefficient, the injection volume is corrected before an operation by combining prediction of a prediction model of eyeball convexity variation based on the orbital volume and the orbital cavity tissue volume, so that a better postoperative treatment effect is achieved.

The invention provides a multifunctional artificial eye seat with polar radiation aperture distribution and a preparation method thereof, and belongs to the technical field of biomedical materials. The artificial eye seat is a porous spherical or ellipsoidal stent taking trace copper doped zinc melilite biological ceramic as a main component. The internal micropores are mutually communicated curved surface pore units, the pore diameters of the micropores are radially expanded from one end of the spherical surface to the opposite side in a macropore-mesopore-micropore gradient layout, a polar radiation pore diameter distribution three-dimensional bracket model is printed by adopting photocuring ceramic, and then the polar radiation pore diameter distribution three-dimensional bracket model is cleaned, dried and sintered to form the polar radiation pore diameter distribution three-dimensional bracket; the artificial eye seat gives consideration to the anatomical physiological structure of the orbit, the surface of the macropore area is attached to the deep soft tissue of the orbit, and the micropore area faces the ocular surface, so that vascularized soft tissue ingrowth is efficiently promoted, infection is durably resisted, common risks such as displacement and exposure of the artificial eye seat are effectively overcome, and the artificial eye seat has good application value in orbit reconstruction and reshaping.

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.

According to the orbital tissue segmentation method and system provided by the invention, an orbital CT image of a meaning ocular table is obtained, and the interior of the meaning ocular table comprises a metal implant; the feature reconstruction is performed on the orbit CT image containing the metal implant to weaken the interference of the metal artifacts, and the target autologous anatomical structure is segmented in the metal artifact influence area in combination with the artificial eye table information and the preset anatomical relationship, so that the interference of the metal artifacts on the segmentation is effectively solved, and the segmentation accuracy is improved. The method has the advantages of effectively weakening the interference of metal artifacts on the autologous anatomical structure segmentation in the orbit CT image and improving the segmentation accuracy.

The invention relates to a customized orbital bottom plate, which comprises a base plate with a top surface and a bottom surface, and is characterized in that the base plate is a plate body which is preformed according to the fracture condition and anatomical structure of a patient, is matched with the internal appearance of an orbital and is made of a polyether-ether-ketone material; the base plate is provided with a plurality of body fluid communication holes penetrating through the top face and the bottom face and a plurality of connecting holes penetrating through the top face and the bottom face and allowing titanium nails to penetrate through, and the hole diameter of the body fluid communication holes is smaller than that of the connecting holes. The base plate is made of a polyether-ether-ketone material (also called PEEK material), so that the upper surface, close to an eyeball, of the orbital bottom plate is smooth, orbital soft tissue can be prevented from being adhered to an implant, and limitation on eyeball movement is reduced; as each product is customized for each patient, a personalized structure is realized, so that the surgical implantation is more accurate, the surgical time is shortened, and the surgical success rate is improved.

A surgical robotic system (200) is provided which comprises an eye manipulation system The eye manipulation system may be configured for orbital manipulation of an eye of a patient. The eye manipulation system may comprise an arm (132) having at least one degree of freedom and an eye gripping device (130) mounted to a distal end of the arm. The eye gripping device may be configured to engage an eyeball (102) by exerting a grip on a fibrous surface layer of the eyeball, and the arm may be adjustable in pose to move the eye gripping device along a curved plane (131) representing a curvature of the eyeball to, when the eyeball is engaged by the eye gripping device, rotate the eyeball within an eye socket (104).

An instrument for an orbital endoscopic surgery is presented. The instrument comprises: a handle; a support element to which the handle is movably attached at one end; a first arm and a second arm, each arm comprising a fixing portion connecting the arm to the support element, and an anchoring portion releasably attached to the fixing portion, one of the anchoring portions configured to anchor to a first fissure of the orbital cavity, and the other of the anchoring portions configured to anchor to a second fissure of the orbital cavity. One of the anchoring portions is configured to be anchored to a first fracture of the orbital cavity, and the other of the anchoring portions is configured to be anchored to a second fracture of the orbital cavity, each of the anchoring portions having a given curvature; a mesh disposed between the anchoring portions and connected to each of the anchoring portions to aggregate periorbital tissue when the anchoring portions are anchored to the first fracture and the second fracture; and a sensor for detecting the applied pressure applied to the first fracture and the second fracture.

The application belongs to the technical field of medical image processing and computer-aided diagnosis, and discloses an orbital lymphoma and inflammatory pseudotumor classification method, system, device and terminal, in the obtained orbital DCE-MRI image, the tumor region and the eye cone triangular region in the original image are manually segmented and pretreated; the neural network is used for extracting the features of the tumor region, and the features are subjected to clustering statistical analysis as the tumor region features; the eye cone triangular region is subjected to feature extraction as a similarity judgment standard, and the self-classification and self-recovery network is used for extracting the eye cone region features; the original image is used as the input network and combined with the features of the tumor region and the eye cone triangular region to train the network model; the multi-modal orbital data is input into the classification model for processing, so that the orbital lymphoma and inflammatory pseudotumor are classified. The application comprehensively considers the texture features of the tumor and the depth features of the eye cone region, effectively improves the prediction accuracy, and has the characteristics of high accuracy.

The invention relates to the technical field of medical data processing, in particular to a super-selective ocular artery thrombolysis treatment comprehensive data processing and analyzing system. The system comprises a thrombus positioning module for constructing a thrombus segmentation model to identify a thrombus position; the medication position optimization module judges whether the patient is suitable for adopting super-selective ocular artery thrombolysis treatment or not according to the thrombus position, the eyeball structure data, the orbit structure data and the artery structure data, and obtains recommendation data of the medication position through a medication position optimization algorithm; a first recommendation unit in the medication dosage recommendation module processes historical thrombus data of all patients through a machine learning algorithm to obtain a first recommended medication dosage, and a second recommendation unit obtains a second recommended medication dosage according to personal data of the patients; the comprehensive recommendation unit obtains recommended medication doses according to the data and the medication doses recommended by the experts; the curative effect analysis module is used for collecting treatment data and constructing a curative effect score according to the treatment data to assist doctors in making decisions.

This invention relates to the field of data acquisition and control system technology, and discloses an intelligent control method and system for an eye massager. The method includes: acquiring point cloud data of the user's orbital region, denoising and smoothing the data, reconstructing it using a Poisson surface, and extracting statistical features of bone contour and soft tissue thickness to obtain orbital surface features; simulating the contact angle and force-bearing area of ​​massage points, calculating simulated pressure values ​​through finite element analysis, constructing a multi-channel pressure feature vector after optimization, inputting it into a pre-trained model to output a comfort score; if the score is insufficient, iteratively updating the force transmission coefficient matrix to obtain a personalized pressure control scheme; real-time monitoring of periorbital temperature and blood flow data, mapping it to a physiological stress index to dynamically adjust the pressure and generate an optimized scheme; and generating a control command sequence to drive the massager actuator. This method can achieve personalized and precise pressure control, improving massage comfort and adaptability.

The orbital tissue segmentation method and system provided in the present application obtain an orbital CT image of a prosthetic orbit, wherein the prosthetic orbit includes a metal implant. By reconstructing features of the orbital CT image containing the metal implant to reduce the interference of the metal artifact, and combining the prosthetic orbit information and preset anatomical relationships, the target autologous anatomical structure is segmented within the area affected by the metal artifact, effectively solving the interference of the metal artifact on the segmentation. The system has the advantage of being able to effectively reduce the interference of the metal artifact on the segmentation of the autologous anatomical structure in the orbital CT image, thereby improving the accuracy of the segmentation.

A pillow for eye pressure relief configured with a support portion and a relief portion. The support portion thicker than the relief portion. The support portion configured to support the forehead and lower face while the relief portion configured to provide less pressure and support to the facial orbital eye area.

The application discloses a medicine injection method for killing camel head fly larvae parasitizing in the nasal cavity of a bactrian camel. A pair of non-bony structures similar to a triangle and the size of a thumb are arranged at the joint of nasal bone, maxillary bone and frontal bone. The pair of non-bony structures are at the same horizontal level with the eye socket of the bactrian camel, are located at the intersection of the inner corner of the eye and the upper edge of the eye socket, and are away from the eye socket by 4-5 cm. After a syringe is vertically inserted into 2-3 cm at the site, the needle of the syringe can reach the medial part of the concha nasalis. After the site is inserted into 2.5-3 cm in the clockwise direction and is inclined by 45 degrees, the needle can reach the lateral part of the concha nasalis. The medicine injection method can directly inject the insect killing medicine to the parasitizing position of the first instar larvae, and the purpose of killing the first instar larvae is achieved. The medicine injection method provides a new method for killing the first instar larvae in the overwintering period, and can reduce the economic loss of the camel raising industry caused by the nasal fly maggot disease.

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.

An ocular prosthesis includes a display device visible at an anterior portion of the ocular prosthesis. The display device is configured to present a changeable image that represents a natural appearance and movement for a visible portion of an eyeball of a subject. A system includes, besides the ocular prosthesis, an implant marker configured to move with an orbital implant disposed in an eye socket of a subject. A method includes determining a change in orientation of an orbital implant in a subject and determining an update to a natural appearance for a visible portion of an eyeball for the subject based on the change in orientation of the orbital implant. The method also includes rendering an update to an image of the natural appearance for a display device disposed in an ocular prosthesis configured to be inserted in the subject anterior to the orbital implant.

A method for constructing a clinically-relevant large animal model of traumatic optic neuropathy, employing a goat with orbital anatomy and optic nerve structure similar to humans as a model animal, overing the defects existing in other animals as TON model animals. The target model goat is obtained by screening parameters, such as a maximum transverse diameter of a coronal plane of a body of sphenoid bone and a wall width of a sphenoid bone, thereby facilitating the exposure of an optic nerve in a optic-canal segment under a nasal endoscopic surgery and quantitative injury. With the optic nerve injury animal model, the clinical TON pathogenesis can be explored by studying the optic nerve at the injured optic canal. In the prepared TON animal model, the injured optic nerve is closer to the brain, which is beneficial to rebuilding the synaptic connection.

Medical training device for surgical training in ophthalmology for learning and practicing medical manual and instrumental surgical techniques with a holder for fixing animal or artificial eyes, characterized in that the eye (2) is inserted into a socket (4) of an actuating cylinder (3) and is pressed against an orbital opening (6) of the mask (1) for positioning and fixing by means of the actuating cylinder (3) inserted in a guide (5) of a mask (1).