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63 results about "Conjunctival sac" patented technology

Serous sac which consists of the conjunctiva surrounding the cavity of conjunctival sac. Examples: There are only two conjunctival sacs, the right and the left.

Glaucoma drainage tube with double drainage discs

The utility model relates to a glaucoma drainage tube with double drainage discs, which belongs to the technical field of medical artificial implants and comprises a drainage tube body, a drainage mechanism is arranged on the right side of the drainage tube body and comprises a fixing structure fixedly mounted on the outer side of the drainage tube, and the double-layer drainage discs are fixedly mounted on the right side of the fixing structure. The glaucoma drainage tube with the double drainage discs can be easily implanted into an anterior chamber corner during an operation, can be accurately butted with an aqueous fluid generation source, ensures that aqueous fluid flows in without hindrance, lays a solid foundation for subsequent drainage, can be tightly attached to a sclera by virtue of the characteristics of the fixing structure, greatly reduces the displacement risk of an implant, ensures stable operation of a whole drainage system, and has a good application prospect. The upper drainage disc and the lower drainage disc cooperatively operate, the conjunctival sac is accurately opened, a stable filtering bubble is formed, the drainage groove matched with the drainage tube body in the drainage tube forms a smooth aqueous humor channel, aqueous humor drainage is accelerated, the supporting structure efficiently promotes aqueous humor diffusion between the two layers of drainage discs, and the drainage efficiency is comprehensively optimized.
Owner:XIAN PILLAR BIOSCI CO LTD

Conjunctival sac flushing device

The utility model relates to the technical field of medical instruments, and provides a conjunctival sac flushing device which comprises a base, a telescopic cylinder is fixedly arranged on the top face of the base, a connecting rod is fixedly arranged on the outer wall of one side of the upper end of the telescopic cylinder, a water receiving assembly is fixedly arranged at one end of the connecting rod, and the water receiving assembly comprises a connecting cylinder, a water receiver, a folding pipe and a drainage pipe. The outer wall of the connecting cylinder is connected with one end of a connecting rod, the top end of the connecting cylinder is provided with a water receiving device in an inserted mode, the bottom face of the connecting cylinder is provided with a folding pipe, and the lower end of the folding pipe is provided with a drainage pipe. Meanwhile, discomfort caused by the fact that flushing fluid leaks out of the water receiving device and wets clothes of a patient due to shaking of the water receiving device is avoided, a device for hanging bagged normal saline for flushing is integrated, the working efficiency of medical staff is improved, and pain of the patient is relieved.
Owner:靖西市人民医院

Ophthalmic conjunctival sac flushing device

The present invention relates to the technical field of conjunctival sac irrigation, and discloses an ophthalmic conjunctival sac irrigation device, which realizes simultaneous adjustment of the upper and lower heights and lateral positions of a mounting block and a water receiver by arranging an adjustment component, and the fixing method is relatively simple, convenient for an operator to use, improves adjustment efficiency, and facilitates subsequent irrigation operations; by arranging a limit component, it is possible to prevent plate body 1 from being separated from plate body 2 when it slides back and forth, and at the same time, the limit on plate body 1 can be cancelled when it needs to be disassembled, thereby facilitating maintenance and care; by arranging a transmission component, it is possible to realize connection and separation of plate body 1 and plate body 2 by rotating the adjustment rod alone, forming a linkage effect, and improving practicality; by arranging a sliding component, it is possible to adjust the positions of the mounting block and the water receiver, and automatically change the position of the shaping rod while adjusting the positions of the mounting block and the water receiver, thereby improving practicality.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Conjunctival sac flushing and liquid collecting device

The utility model discloses a conjunctival sac flushing and liquid collecting device, which relates to the technical field of medical instruments and comprises a liquid collecting bag, a sticking strip and a suspension bracket, the liquid collecting bag is in an inverted cone shape, and the upper end of the liquid collecting bag is open and used for receiving flushing liquid. The pasting strip is arranged on the upper edge of the liquid collecting bag and used for being pasted on the cheek skin on the affected eye side; the upper edge of the liquid collecting bag is connected to the hanging frame so that the liquid collecting bag can be kept in an open state. The lower end of the liquid collecting bag is connected with a flow guide pipe, the suspension frame comprises a lifting rod, two suspension arms and a liquid collecting box serving as a base, the flow guide pipe is communicated with the liquid collecting box, the lifting rod is in a T shape, the lower end of the lifting rod is fixed to the upper end of the liquid collecting box, the two suspension arms are hinged to the two sides of the upper end of the lifting rod respectively, and the liquid collecting bag is arranged between the suspension arms on the two sides. And the upper edge of the liquid collecting bag is connected to the suspension arm. The liquid collecting bag does not need to be held by hand, and flushing liquid can be stably received.
Owner:XIANGZHOU COUNTY PEOPLES HOSPITAL (GENERAL HOSPITAL OF XIANGZHOU COUNTY PUBLIC HOSPITAL)

Sclera jacking training teaching aid

The utility model relates to the technical field of training teaching aids, in particular to a sclera jacking and pressing training teaching aid, which comprises a head model, a main control board, a silica gel eyeball model, a Bluetooth module, a voice module and a USB (universal serial bus) charging port, and is provided with a structure of a head, eye sockets, eyelids, conjunctival sacs and eyeballs, so that the model is closer to a real human eye structure; according to the simulation operation teaching aid, the jacking effect can be sensed in real time, a prompt tone can be given out, final evaluation can be made, a wide-area fundus photograph of a real case can be mapped into a retina 3D printing model, a vivid crack-derived retina shedding simulation operation teaching aid is achieved, meanwhile, a virtual eyeball is simulated at a mobile phone or a computer end, the jacking position, range and force are synchronously reflected, and the simulation operation teaching aid can be used for simulating the retina. The sclera jacking and pressing teaching aid is a multimedia physical teaching aid which combines visual virtual guidance and force and position perception, enables an operator to feel more vivid operation and more real feeling, obtains intelligent guidance of a computer, and quickly masters the sclera jacking and pressing technology in an operation.
Owner:粤北人民医院

Frameless amniotic membrane mirror device, manufacturing method and using method

The invention relates to the technical field of medical instruments, in particular to a frameless amniotic membrane mirror device, a manufacturing method and a using method, and the frameless amniotic membrane mirror device comprises an amniotic membrane tissue layer and a biocompatible thin film layer formed by spraying a mixed solution of polymethyl acrylate and polyvinyl alcohol; the overall diameter of the device is 14 mm, the rise of the device is 6.2 + / -0.1 mm, and the device can be directly implanted into the ocular surface to cover the cornea without a frame support. The manufacturing method comprises the steps of amniotic membrane treatment, model eye forming, mixed solution preparation, membrane spraying and forming, trimming and sterilization. The application method relates to implantation after surface anesthesia, fitting observation and subsequent taking-out. Through the frameless conformal fitting design, the problems that an existing framed amniotic membrane mirror is displaced and cannot be worn by a patient with strong foreign body sensation and shallow conjunctival sac are solved, and meanwhile secondary trauma of a suture operation is avoided. And the residual film after the amniotic membrane is dissolved can continuously provide protection, and the amniotic membrane has the advantages of good fitness, high patient comfort, simplicity and convenience in operation and good safety.
Owner:JINAN SECOND PEOPLES HOSPITAL

Novel sticking type conjunctival sac flushing water receiving bag

The utility model relates to the field of medical instruments, in particular to a novel adhesive type conjunctival sac flushing water receiving bag which comprises a plastic protective film. The drainage bag and the drainage tube are further included, the plastic protective film is used for being pasted and covering the eyes, and the drainage bag used for collecting flushing fluid is fixedly connected to the right side of the plastic protective film; according to the utility model, the fitting degree with the eyes can be increased by arranging the plastic protective film which is made of the elastic material and is fitted with the eye curve design, and the drainage bag with the drainage tube is arranged on the right side of the plastic protective film and can be used for discharging waste water from the drainage tube, so that the eye washing time of an operator can be shortened without pouring liquid for many times; the labor intensity of nurses is relieved, the arc-shaped flow guide plate is arranged on the plastic protective film, flushing fluid can be guided to flow into the drainage bag, the risks of flushing fluid splashing and pollution can be reduced, the water level condition in the drainage bag can be monitored in real time through the water level sensor arranged on the drainage bag, and waste flushing fluid is prevented from overflowing.
Owner:SHANTOU UNIV·CHINESE UNIV OF HONG KONG JOINT SHANTOU INT OPHTHALMOLOGY CENT

Ocular surface microbial marker combination for diagnosing diabetes or diabetic retinopathy and application thereof

The invention discloses an ocular surface microbial marker combination for diagnosing diabetes or diabetic retinopathy and application of the ocular surface microbial marker combination. According to the invention, 10 ocular surface microorganisms obviously related to DM and DR are respectively screened, and DM and DR can be diagnosed by detecting the abundance of the microorganisms. The method belongs to a non-invasive technology, has the advantages of being convenient to detect and high in accuracy, and can be effectively applied to diagnosis of DM and DR. A classifier is generated according to the relative abundance of 10 microorganisms in the conjunctival sac swab of a subject, and in DM and non-DM control groups, the area AUC under the ROC curve of the classifier is 0.975, the sensitivity is 87.5%, and the specificity is 96.4%; in the DR and the DR group, the area AUC under the ROC curve of the classifier is 0.902, the sensitivity is 93.5%, and the specificity is 75.8%.
Owner:JIANGNAN UNIV

Portable conjunctival sac flushing pipeline

The utility model relates to the technical field of ophthalmology nursing, and discloses a portable conjunctival sac flushing pipeline which comprises a liquid storage bottle, a butt joint assembly is arranged in the center of the bottom of the liquid storage bottle, a hose is connected to the bottom of the butt joint assembly in an inserted mode, and a spray head is installed at the bottom end of the hose. A flow adjusting valve capable of adjusting flow is arranged in the spray head, and a silica gel protective sleeve used for sealing and sterile wrapping is arranged on the outer side of the bottom of the spray head in a sleeving mode. The outer sleeve sleeves the outer side of the fixed pipe and is pushed upwards, so that the clamping block slides into the clamping groove, then the outer sleeve is twisted to enable the clamping block to be clamped in the transverse groove of the clamping groove, butt joint installation can be completed, then the spray head is turned on by rotating the knob switch, flushing can be conducted, and then the scale on the surface of the dial corresponding to the indication groove of the knob switch is observed. The flow of the flushing fluid can be accurately adjusted, so that the flushing amount of the flushing fluid can be accurately controlled, the pressure is not unstable, and the cornea of a patient is protected.
Owner:XIANGYANG AIER EYE HOSPITAL CO LTD

A conjunctival sac support sheet

ActiveCN224421242UConjunctivaConjunctival sac
This utility model relates to a conjunctival sac support sheet, comprising a light-transmitting support sheet body, the support sheet body having opposing outer and inner surfaces, and a plurality of first drainage holes provided on the support sheet body, the first drainage holes penetrating the support sheet body along the thickness direction and located in the edge region of the support sheet body. The first drainage holes not only have a stronger drainage function, but can also be used for suture fixation, allowing doctors to perform suture surgery to fix the support sheet in the conjunctival sac and prevent accidental dislodgement.
Owner:SHANGHAI DEFANG CLINIC CO LTD +1

Ophthalmic dexamethasone emulsion supramolecular hydrogel and preparation method thereof

The invention discloses dexamethasone eye emulsion supramolecular hydrogel and a preparation method thereof, and belongs to the technical field of medicines. The dexamethasone eye emulsion supramolecular hydrogel is prepared from the following components in percentage by mass volume: 0.02 to 0.06 percent of dexamethasone, 0.5 to 5 percent of liquid oil, 1 to 6 percent of emulsifier and 1 to 5 percent of polyphenol. According to the dexamethasone ophthalmic emulsion supramolecular hydrogel provided by the invention, dexamethasone is used as a main drug, and a nanoemulsion is used as an insoluble drug carrier to improve the solubility of the dexamethasone ophthalmic emulsion supramolecular hydrogel; the emulsifier on the surface of the nanoemulsion can be self-assembled with polyphenol through hydrogen-bond interaction to form a supramolecular hydrogel network. After the preparation is dropped into the conjunctival sac, the drug-loaded nano-emulsion is gradually released and the free drug is further released under the shear thinning action caused by tear dilution and blinking, so that the long-acting treatment concentration is maintained on the ocular surface, and the defects that the drug is easily lost due to nasolacrimal duct drainage, the retention time of the ocular surface is short and the like in the traditional eye drops are effectively overcome.
Owner:NANTONG UNIV

Eye drop instillation assist device

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to an eyedrop instillation assist device which comprises a negative pressure adsorption base, a pupil calibrator and a liquid medicine squeezer. A negative pressure adsorption base, a pupil calibrator and a liquid medicine squeezer are arranged, the negative pressure adsorption base comprises an adsorption long arm, an upper suction cup, a lower suction cup and a squeezing air bag, the pupil calibrator comprises a sliding assembly and a calibration assembly, and the liquid medicine squeezer is provided with a squeezing support, a magnetic suction clamping nozzle, a manual squeezing arm and a linked eyelid supporting structure. By matching with components such as clamping teeth and a damping spring, a series of problems that the hand is easy to shake, the instillation position is inaccurate, liquid medicine is wasted, a bottle opening of a medicine bottle is easy to touch eyes to cause secondary injury, eyelids shield conjunctival sacs, the adaptability and universality of the device are poor, the extrusion force is non-uniform, the supporting is uncomfortable, the arm is soreness and swollen after long-term operation, the device is easy to shift and the like when the patient holds the device for instillation are solved; the effects that instillation is stable and accurate, operation is convenient, fast and safe, and different patients and medicine bottle specifications are adapted are achieved.
Owner:PEACE HOSPITAL AFFILIATED TO CHANGZHI MEDICAL COLLEGE

Nursing trolley for flushing conjunctival sac

The invention provides a conjunctival sac flushing nursing trolley which comprises a movable support, a headrest, a collecting barrel and an eye washing basin, the headrest is connected to the movable support through a first adjusting assembly, the first adjusting assembly is used for adjusting the position of the headrest in the horizontal direction of the movable support, the collecting barrel is detachably connected to the movable support, and the collecting barrel is detachably connected to the eye washing basin. The eye washing basin is connected to the movable support through a second adjusting assembly, the second adjusting assembly is used for adjusting the position of the eye washing basin in the vertical direction of the movable support, and the eye washing basin communicates with the collecting barrel. According to the device, the horizontal position of the headrest on the movable support is adjusted through the first adjusting assembly, and then the vertical position of the eye washing basin on the movable support is adjusted through the second adjusting assembly, so that when the head of a patient is placed on the headrest, the eye washing basin can be attached to the face, washing waste water can flow into the collecting barrel, and repeated pouring is not needed.
Owner:SHANTOU UNIV·CHINESE UNIV OF HONG KONG JOINT SHANTOU INT OPHTHALMOLOGY CENT

Assist device for dropping eyedrops

The utility model relates to the technical field of medical equipment, in particular to an eyedrop dripping assist device. The auxiliary device comprises an elastic connecting plate and two clamping plates symmetrically arranged on the two sides of the elastic connecting plate, each clamping plate comprises an upper portion and a lower portion, the upper portions of the two clamping plates can be close to each other under the action of external force, the lower portions of the two clamping plates can be far away from each other, and the upper portions of the clamping plates are located on the upper side of the elastic connecting plate. The lower portions of the clamping plates are located on the lower side of the elastic connecting plate, a center hole is formed in the center of the elastic connecting plate, the inner side of the lower portion of each clamping plate is of an arc-shaped structure matched with an eye socket, protrusions symmetrical about the center hole are arranged on the inner sides of the upper portions of the two clamping plates, and at least three elastic pieces are evenly distributed on the periphery of the center hole in the circumferential direction. And the inner end of each elastic sheet is a cambered surface, and the elastic sheets and the cambered surface form the center hole in an enclosing manner. The eyedrop dripping device has the advantage that eyedrops can be accurately dripped into the conjunctiva or the conjunctival sac.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHEJIANG CHINESE MEDICAL UNIVERSITY

Disposable water receiving bag for preoperative conjunctival sac flushing

The utility model belongs to the technical field of medical instruments, and discloses a disposable water receiving bag for preoperative flushing of a conjunctival sac, which comprises a sticking bag, a medical film is fixedly connected to one side of an opening of the sticking bag, a fixing film is fixedly connected to one side of the opening, far away from the medical film, of the sticking bag, and a metal aluminum sheet is embedded in the fixing film. Mounting lugs are fixedly connected to the two sides of the middle of the pasting bag, silica gel ball cavities are connected to the interiors of the mounting lugs in a penetrating mode, a suction cup is fixedly connected to the end, close to the medical film, of each silica gel ball cavity, the bottom end of the pasting bag is fixedly connected with a liquid collecting bag, and the bottom end of the pasting bag is fixedly connected with the inner wall of the liquid collecting bag. The problems that in the prior art, when a conjunctival sac is cleaned before an operation, most of used ophthalmology water receiving devices are made of stainless steel, the capacity is small, the water receiving devices need to be held by hands of a patient, a doctor and the patient cannot use the water receiving devices conveniently, the appearance of the water receiving devices cannot be adjusted according to the face contour of the patient, and flushing fluid leakage is likely to be caused are solved.
Owner:XINJIANG 474 HOSPITAL

Conjunctival sac flushing device

The invention relates to the field of supporting frames for flushing, in particular to a conjunctival sac flushing device which comprises a storage unit and a collection unit, the storage unit comprises a supporting frame and a liquid storage barrel, a bottom plate is arranged on the lower portion of the supporting frame, and the liquid storage barrel is arranged on the bottom plate; a storage assembly is arranged on the supporting frame and is higher than the liquid storage barrel; the collecting unit comprises a neck ring, an adjusting assembly, a flow guide pipe and a negative pressure generator, a rotating frame is rotationally connected to the supporting frame, the adjusting assembly is located on the rotating frame, and the neck ring is rotationally matched with the adjusting assembly; the neck ring is in a C shape, a collecting groove with an upward opening is formed in the neck ring, the collecting groove is communicated with the liquid storage barrel through the flow guide pipe, and the negative pressure generator is communicated with the liquid storage barrel. According to the conjunctival sac flushing device, flushing liquid can be collected, and meanwhile tools, flushing liquid, medicine and the like adopted in the flushing process can be conveniently placed.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Bandage mirror for preventing adhesion of palpebral globoids

ActiveCN223817746UEye surgeryBulbar conjunctivaConjunctival sac
The utility model discloses a bondage mirror for preventing adhesion of palpebral globules, which comprises a lens body, the lens body is arranged in a transversely-arranged crescent shape, the periphery of the bottom end of the lens body is in a downwards-bent arc curved surface shape, the thickness of the bottom end of the lens body is larger than that of the top end of the lens body, and the thickness of the top end of the lens body is gradually increased from the top end of the lens body to the bottom end of the lens body. The thicker structure at the bottom end of the lens body completely expands the wrinkles in the lower conjunctival sac, the condition that the inner walls of the wrinkles of the conjunctival sac are mutually adhered is avoided, and the isolation effect of the eyelid conjunctiva and the bulbar conjunctiva is effectively improved.
Owner:HENAN HONG HUI MEDICAL TECH CO TD

Ocular insert apparatus and methods

A comfortable insert comprises a retention structure sized for placement under the eyelids and along at least a portion of conjunctival sac of the upper and lower lids of the eye. The retention structure resists deflection when placed in the conjunctival sac of the eye and to guide the insert along the sac when the eye moves. The retention structure can be configured in many ways to provide the resistance to deflection and may comprise a hoop strength so as to urge the retention structure outward and inhibit movement of the retention structure toward the cornea. The insert may move rotationally with deflection along the conjunctival sac, and may comprise a retention structure having a cross sectional dimension sized to fit within folds of the conjunctiva. The insert may comprise a release mechanism and therapeutic agent to release therapeutic amounts of the therapeutic agent for an extended time.
Owner:FORSIGHT VISION5 INC

Nursing bed for flushing conjunctival sac

The utility model relates to the technical field of nursing beds, and provides a nursing bed for flushing a conjunctival sac, which comprises a bed body and a headrest detachably mounted at one end of the bed body, the headrest is hinged to one end of the bed body through at least one rotating mechanism, a raised headrest is arranged on the headrest, clamping rings are arranged on two sides of the headrest, and the clamping rings are connected with the bed body. A clamping ring is arranged on the headrest, a water receiver is detachably mounted on the clamping ring, the clamping ring is lifted through a lifting mechanism, a water outlet is formed in the headrest, a water outlet end of the water receiver is detachably connected with a water outlet pipe, the other end of the water outlet pipe penetrates through the water outlet, and the end part of the water outlet pipe is connected with a water storage barrel. According to the conjunctival sac nursing bed, the headrest can rotate by an angle, so that the neck and the shoulders of a patient can be better supported, the comfort of the patient is improved, a doctor can wash the patient conveniently, the patient does not need to hold the water receiver by hands, the water leakage phenomenon of the patient is avoided, and the technical problems that an existing conjunctival sac nursing bed is poor in use effect and the comfort of the patient is poor are solved.
Owner:刘美新

Disposable drainage device for conjunctival sac in inner eye surgery

The utility model discloses a disposable inner eye surgery conjunctival sac drainage device, relates to the technical field of medical instruments, and comprises a drainage piece and a diversion expansion part, the drainage piece is of a cambered heart-shaped structure fitting the inner side of the canthus of a human body, the front side of the drainage piece is provided with a drainage hole, the diversion expansion part is of a triangular structure, and the drainage hole is communicated with the drainage piece. Due to the fact that the drainage piece of the heart-shaped structure is arranged, the drainage piece can be exactly attached to the canthus portion of a patient, better stability and adaptability are provided, the occupied space of the drainage piece can be reduced through the concave portion of the front side of the drainage piece, and the drainage piece is convenient to use. And the interference on intraocular surgery operation is reduced.
Owner:ZHENGZHOU AIER EYE HOSPITAL CO LTD

Ophthalmic conjunctival sac flushing device

The invention relates to the technical field of conjunctival sac flushing, and discloses an ophthalmology conjunctival sac flushing device which is provided with an adjusting assembly, the vertical height and the transverse position of a mounting block and a water receiver can be adjusted at the same time, the fixing mode is simple, an operator can use the device conveniently, the adjusting efficiency is improved, and follow-up flushing operation is facilitated. By arranging the limiting assembly, when the first plate body slides in a reciprocating mode, the first plate body is prevented from being separated from the second plate body, and meanwhile limiting of the first plate body can be canceled when disassembly is needed, so that maintenance and nursing are convenient; by arranging the transmission assembly, the adjusting rod can be independently rotated, connection and separation of the first plate body and the second plate body can be achieved, a linkage effect is formed, and practicability is improved; by arranging the sliding assembly, adjustment of the positions of the mounting block and the water receiver is achieved, the position of the shaping rod can be automatically changed while the positions of the mounting block and the water receiver are adjusted, and therefore practicability is improved.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Protective device suitable for eyelid margin operation

The utility model provides a protective device suitable for eyelid margin operation, which comprises two cover plates symmetrically arranged along the opening and closing direction of eyes, the two cover plates are arc-shaped and can be matched with eyeballs, and the edges of the two cover plates can be inserted into a conjunctival sac to cover the eyeballs; and the connecting piece is respectively connected with the two cover plates and is used for connecting the two cover plates.
Owner:ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV

Surgical device for conjunctival sac stenosis repair

ActiveCN222929915UEye surgeryConjunctival sacPalpebral conjunctiva
The utility model discloses a surgical device for conjunctival sac stenosis repair, which comprises a shovel needle, a suture and an anti-adhesion component, a lower fornix blocking piece of the anti-adhesion component is a hollow soft silica gel rod with side holes at two ends, a thread hole is arranged along the long axis direction of the anti-adhesion component in a penetrating manner, and the thread hole is communicated with the shovel needle. A suture enters from the first side hole of the vertical line hole and then withdraws from the second side hole, then the lower fornix blocking piece is placed at the bottom of the lower fornix, the needle enters from the conjunctiva surface of the lower fornix, and the needle withdraws from the skin surface after being hung on the lower orbital periosteum so as to keep the width of the lower fornix; the shovel needle penetrates out of inclined holes formed in the two ends of the gasket in the thickness direction of the gasket in the skin face blocking piece and then is knotted, and the skin is protected against being cut by sutures.
Owner:TIANJIN EYE HOSPITAL

Biological response type conjunctival sac inner protector for orbit radiotherapy

The invention belongs to the field of orbit radiotherapy protection, and provides a biological response type conjunctival sac inner protector for orbit radiotherapy, which comprises a lens body, a central light-transmitting area is arranged in the middle of the lens body, a temporal upper shielding area is arranged on one side of the central light-transmitting area, a wearing arc area is arranged on the outer side of the central light-transmitting area, and the wearing arc area is arranged on the outer side of the central light-transmitting area. A side arc area is arranged on the outer side of the wearing arc area, a lower fornix medicine carrying area is arranged on the lower side of the central light-transmitting area, the vertical curvature radius of the lens body is 7.5 mm, the horizontal curvature radius of the lens body is 8.2 mm, and the curvature radius of the side arc area is larger than that of the wearing arc area; through the arrangement of the lens body with the central light-transmitting area, the upper temporal shielding area and the lower fornix drug-loading area, the damage of radiotherapy radiation to the sensitive area of the conjunctival sac can be accurately shielded by combining the directional shielding function of the 120-degree sector section of the upper temporal shielding area, and meanwhile, the drug-loading area integrated with the sodium alginate microspheres is utilized to realize continuous slow release of the drug, so that the curative effect of the drug-loading area is improved. And local tissue protection is enhanced.
Owner:张希奎

Method for manufacturing individualized ocular prosthesis based on 3D printing technology and corneal topography

ActiveCN115707438BEye implantsConjunctivaOcular prosthesis
Based on 3D printing technology and corneal topography assisted personalized ocular prosthesis manufacturing method, through the high polymer impression material to make the patient's eye side conjunctival sac impression, and obtain the three-dimensional data of the conjunctival sac impression of the affected eye, and establish a three-dimensional model, remove the front surface of the three-dimensional model with the pupil center as the center, and the corneal diameter data of the healthy eye as the diameter of the circular area, and integrate the pupil diameter and corneal anterior surface curvature data of the healthy eye in this area, and finally obtain the three-dimensional model of the ocular prosthesis, and the ocular prosthesis is made through 3D printing technology, because the data of the pupil diameter and corneal anterior surface curvature of the healthy eye are integrated on the front surface of the three-dimensional model of the affected eye, the ocular prosthesis is more realistic and more suitable for the affected eye.
Owner:THE EYE HOSPITAL OF WENZHOU MEDICAL UNIVERSITY

Conjunctival sac pathogen detection method and system using fluorescent staining image analysis

PendingCN122289162Aimprove accuracyRealize quantitative discriminationConjunctivaMulti wavelength
This invention discloses a method and system for detecting pathogens in the conjunctival sac using fluorescence staining image analysis, belonging to the field of medical image processing technology. The method includes: acquiring multi-wavelength fluorescence images and performing inter-channel differential operations to construct a spectral response surface; identifying regions of abrupt curvature changes to determine candidate pathogen locations; extracting radial fluorescence intensity distribution curves; calculating attenuation gradients and transition band width matching rules to determine pathogen types; acquiring temporal fluorescence intensity; screening locations where the intensity change rate exceeds an activity threshold as active pathogen locations; identifying the diffusion axis based on spatial distribution; calculating the spatial density gradient based on statistical density changes; coupling the intensity change rate to calculate the diffusion rate and determine the warning region; identifying abnormal pixels within the warning region; verifying continuous growth characteristics through temporal tracking; confirming and marking early infection areas. This invention improves detection accuracy and timeliness, enabling early warning.
Owner:JILIN UNIV FIRST HOSPITAL

Improved conjunctival sac drainage and suction device

ActiveCN224166498Uavoid damageClear technical fieldEye surgeryConjunctivaOphthalmology department
The utility model relates to the field of ophthalmology treatment devices, and provides an improved conjunctival sac drainage and suction device which comprises a first heavy hammer, a first hook body connected to the first heavy hammer, a metal pipe arranged on the first heavy hammer and / or the first hook body, a hose connected to the metal pipe and a water suction device connected with the hose. A second drainage channel is arranged in the hose, the first drainage channel is communicated with the second drainage channel, and the water absorber can generate adsorption force to suck water into the first drainage channel and the second drainage channel. The front end of the first hook body is hooked on the outer side of the conjunctival sac of a patient, the tail end of the hose is connected with the needle cylinder, when a surgeon flushes water in an operation, an assistant pulls the needle cylinder to pump accumulated water at the conjunctival sac into the needle cylinder in time, the operation field is kept clear all the time, the step that the assistant wipes accumulated water in eyes with cotton swabs and gauze is omitted, and the operation efficiency is improved. The technical problems that conjunctival sac drainage in an ophthalmologic operation needs to be operated by medical staff, time and labor are wasted, and potential safety hazards exist are solved.
Owner:FUJIAN PROVINCIAL HOSPITAL

Eyeball conjunctival sac liquid suction device with recognition system

The invention relates to the technical field of medical care, in particular to a device for sucking liquid in a conjunctival sac with an identification system, which comprises a fixed frame and an inductive probe arranged on the fixed frame, the fixed frame is provided with a connecting structure; a limiting structure is arranged on the inductive probe; the connecting structure is matched with the limiting structure; the sensing probe is connected with the fixed frame stably; a rotating sleeve is rotationally mounted on the fixed frame; a sliding sleeve is embedded in the rotating sleeve in a sliding manner; a mounting plate is fixedly mounted on the fixed frame; a liquid suction mechanism is arranged on the mounting plate and comprises a liquid suction sleeve; the liquid suction mechanism can suck liquid in the conjunctival sac; the amount of liquid in the conjunctival sac of a patient can be accurately monitored through the inductive probe, and medical staff can concentrate on operation. And the sensing angle of the sensing probe can be adjusted according to the actual conditions of the patient and the medical staff, so that the operation can be smoothly carried out.
Owner:XIAN FIRST HOSPITAL

Eyelid turner for flushing conjunctival sac

The utility model relates to the technical field of medical auxiliary appliances, in particular to a conjunctival sac flushing eyelid turner which comprises a connecting cylinder and a turning cylinder, a movable groove is formed in the connecting cylinder, a turning opening is formed in the front portion of the outer surface of the connecting cylinder, and a fixed cylinder is fixedly connected to the middle of the right end of the connecting cylinder. A threaded hole is formed in the front portion of the outer surface of the fixing cylinder, a locking screw is connected into the threaded hole in a threaded mode, and a fixing block is fixedly connected to the rear portion of the outer surface of the connecting cylinder. According to the eyelid turner for flushing the conjunctival sac, on the premise that the conjunctival sac is fully exposed, discomfort of a patient can be reduced as much as possible, the flushing process is smoother, and therefore nursing quality is improved, after the conjunctival sac is exposed through the whole turner, the hands of the medical staff can be liberated, and the working efficiency is improved. And medical staff can perform other necessary operations while flushing the conjunctival sac, so that the working efficiency of the medical staff is improved.
Owner:SHANXI PROVINCIAL EYE HOSPITAL

Integrated preassembled amniotic membrane supporting structure

The utility model discloses an integrated preassembly type amniotic membrane supporting structure which comprises a prefabricated groove, a conjunctival sac supporting ring, a conjunctival sac supporting ring, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac and a conjunctival sac, the wet biological amniotic membrane is arranged at the outer side end of the conjunctival sac supporting ring, the outer side of the wet biological amniotic membrane is connected with a silica gel ring binding belt in a binding mode, and the wet biological amniotic membrane makes contact with the prefabricated groove. The utility model belongs to the technical field of ophthalmology medical consumables, and aims to solve the problems that in the prior art, a wet biological amniotic membrane needs to be placed through an operation and needs to be fixed through sutures. The fixing device has the advantages that suture-free fixing of the wet biological amniotic membrane on the ocular surface can be achieved, the phenomenon that the wet biological amniotic membrane falls off can be effectively prevented, meanwhile, the effect of supporting the conjunctival sac to prevent palpebral adhesion is achieved, and different models are set for patients of different ages so that the wearing comfort of the patients can be improved.
Owner:BEIJING CHILDRENS HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV