85 results about "Conjunctiva" patented technology

Described herein are devices used to treat high intraocular pressure and glaucoma. An example device includes a plate comprising a first surface opposite a second surface. The first surface includes a series of fluid channels. The device also includes a first coating on the first surface and a second coating on the second surface. The device is configured to lower intraocular pressure by draining aqueous humor from an anterior chamber to subconjunctival space of a patient's eye.

A docking device for intraocular surgery is provided having an upper edge portion having a second diameter, a lower edge portion having a first diameter and a bottom surface with at least one aperture, and a sidewall extending between the upper edge portion and the lower edge portion. An arm is also provided having a first portion coupled to the central portions of the upper and lower edge portions and a second portion configured for connection to a positioning arm. The lower edge portion also has a lower surface having a suitable profile configured to be secured to the sclera and / or conjunctiva of the surgical eye. Optionally, the lower surface of the upper edge portion is adapted and configured to releasably engage with the upper surface of the lower edge portion. Other variations include a split coupling that allows the suction surface to remain coupled to the surgical eye while removing other portions of the docking device.

The utility model provides a novel eye drug delivery and release system which sequentially comprises a main body base layer and a waterproof isolation layer from outside to inside, the main body base layer and the waterproof isolation layer are fixedly attached together, and at least one drug storage and release layer is attached to the waterproof isolation layer. The medicine storage and release layer is used for storing ophthalmology medicine and releasing the ophthalmology medicine into eyes when the ophthalmology medicine is in contact with the eyes, the medicine storage and release layer comprises a base layer and an upper layer which are attached together, the base layer is a methyl cellulose layer, and the upper layer is a polycaprolactone layer. According to the utility model, medicine is administrated on the bitamporal sides of two eyes, and medicine quickly passes through the lower lacrimal punctum, so that medicine loss is reduced; a patient does not need to directly face the medicine bottle, fear of the patient is reduced, and the medicine bottle is prevented from touching eyes by mistake; the disposable liquid medicine bottle is disposable, high in comfort level, convenient to operate, capable of being used in cooperation with most of liquid medicine and high in applicability. The effective duration and concentration of eyelid margin medication can be increased, and the effectiveness is higher; the eye cleaning device has various functions and can also be used for cleaning eye conjunctival sacs and eyelid margins.

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.

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.

The application is a divisional application of 2025116336025, the invention provides an application of 2, 4-dihydroxy-6-methoxyacetophenone in preparation of a medicine for treating lacrimal gland secretion dysfunction related diseases, a lacrimal gland dysfunction dry eye mouse model is constructed in the application, and liposome entrapped 2, 4-dihydroxy-6-methoxyacetophenone is adopted for intervention, so that the medicine for treating lacrimal gland secretion dysfunction related diseases is obtained. Experimental results show that the ocular surface function and structure of a model animal are remarkably improved through treatment of 2, 4-dihydroxy-6-methoxyacetophenone, the cornea sodium fluorescein staining score of a mouse in a 2, 4-dihydroxy-6-methoxyacetophenone treatment group is remarkably reduced, and cornea epithelium injury is effectively repaired; the epithelial structure in the cornea tissue tends to be complete, and inflammatory cell infiltration of a matrix layer is obviously relieved; the density of goblet cells in the conjunctiva is obviously increased, which indicates that the secretion function of the mucous layer on the ocular surface is recovered. The treatment of 2, 4-dihydroxy-6-methoxyacetophenone has an improvement trend on tear film rupture time and tear secretion amount, which indicates that the 2, 4-dihydroxy-6-methoxyacetophenone has a potential effect in the aspects of maintaining tear film stability and promoting basic tear secretion.

The present invention relates to an ophthalmic ultrasonic emulsification sleeve for confirming intraocular and extraocular penetration and perfusion, which allows determining whether aqueous humor communication between the inside and outside of the eye is smooth through a microtube implanted in the eye during glaucoma tube surgery. The sleeve is characterized by having a rigid branch tube made of a material harder than a sleeve made of a soft material, provided in a perfusion port that allows the injection of a balance salt solution into the eye, and with the branch tube connected to the perfusion port, the tip of the branch tube protrudes further than the tip of the Paco tip, and the end of the microtube inside the eye is connected to the tip of the branch tube, so that the establishment of aqueous humor communication of the microtube can be quickly and accurately and sensorially confirmed based on the pattern of pressure change in the conjunctival area and surrounding blood flow change that occurs when the balance salt solution leaks out of the eye.

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.

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.

According to the application of a reagent for detecting the biomarker in preparation of a xerophthalmia diagnosis and typing detection reagent, the galectin-9 plays an important role in the occurrence and development process of the xerophthalmia, the expression level of the galectin-9 has a certain correlation with the severity of the xerophthalmia, and the galectin-9 is expected to be used as the biomarker for diagnosis and treatment of the xerophthalmia and can be used for preparing the xerophthalmia diagnosis and typing detection reagent. By detecting the expression condition of Galectin-9 in tears, early and accurate diagnosis of the dry eye and quantitative evaluation of the disease degree are achieved, in addition, Galectin-9 expressed on T cells plays an important role in immune inflammation of the dry eye, ocular surface damage of the dry eye can be relieved by locally intervening Galectin-9 through conjunctiva, and Galectin-9 serves as a novel potential target and has a good application prospect. A new way is opened up for diagnosis and treatment of xerophthalmia, a therapeutic drug or an intervention means developed for Galectin-9 can regulate immune response, inhibit inflammatory response, improve tear secretion and the like from the etiological level, and an existing xerophthalmia treatment mode is expected to be changed, so that the treatment effect is improved, the prognosis of a patient is improved, and the clinical application prospect is broad. The application prospect in the field of diagnosis and treatment of the xerophthalmia is wide, and a certain significance is achieved for improving the overall prevention and treatment level of the xerophthalmia.

A oronasal conjunctival spray may include a bottle for fluid and an applicator that may be screwable to the bottle. The spray applicator may include a nasal spray port for spraying fluid into a human nose, a conjunctival spray port for spraying fluid into a human eye, and an oral spray port for spraying fluid into a human oral cavity (mouth).

This invention discloses an eye drop for relieving eye fatigue and dryness, and its preparation method, specifically belonging to the technical field of eye care. The eye drop contains a composition for relieving eye fatigue and dryness, excipients, and a solvent. The composition contains the following components in parts by weight: 20-30 parts of Rhodiola rosea root extract, 10-20 parts of Buddleja officinalis extract, 0.1-0.4 parts of ginger flower extract, and 0.4-0.5 parts of palmarosa extract. The key active ingredients in the composition provided by this invention—Rhodiola rosea root extract, Buddleja officinalis extract, ginger flower extract, and palmarosa extract—can accelerate the improvement of ocular secretions and alleviate lesions of the cornea, iris, and conjunctiva. Furthermore, the combined use of Rhodiola rosea root extract, Buddleja officinalis extract, ginger flower extract, and palmarosa extract has a synergistic effect, achieving multi-dimensional and multi-pathway maintenance of eye health. The eye drop provided by this invention has significant effects in relieving eye fatigue and dryness and improving eye comfort.

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.

Methods, systems and apparatuses for delivering electrical or other therapy in the vicinity of the eye. One or more electrodes are positioned on or near the eye, such as contacting the superior or inferior eyelids, on the conjunctiva or medial or lateral canthus, on or inside the nose, or on the forehead. A remote or return electrode is optionally positioned elsewhere on the patient on the torso, neck, back, a limb, an extremity, on the back or side of the head, or near the ear, mandible or temple. A variety of pulse generator positions and support apparatuses are disclosed as well. The pulse generator is used to deliver one or more of therapy or diagnostic electrical pulses to the patient to address a condition of the eye.

The invention belongs to the technical field of biological medicines, and particularly relates to application of thalidomide in preparation of a prevention medicine or a treatment medicine for scar of conjunctival filtration vesicles after a glaucoma filtration operation. The thalidomide in the medicine disclosed by the invention can inhibit the cell activity of HTF in a concentration-dependent manner, prolong the survival time of filtration vesicles, and provide a medicine for resisting the scarring of the conjunctival filtration vesicles after the glaucoma filtration operation, which is satisfactory in curative effect and safe in application, so that the medicine can be used as a substitute for 5-FU and MMC.

The invention relates to a traditional Chinese medicine composition for preventing and treating ocular surface injury caused by xerophthalmia and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 20-40 parts of spica prunellae, 20-40 parts of radix astragali, 5-25 parts of rhizoma polygonati, 5-25 parts of folium mori and 5-25 parts of fructus crataegi. Compared with the prior art, the traditional Chinese medicine composition disclosed by the invention consists of five medicinal and edible Chinese herbal medicines, is simple and convenient to take, safe and free from side effects, and can be popularized and used as a medicine for preventing and treating xerophthalmia. The traditional Chinese medicine composition disclosed by the invention can be used for remarkably inhibiting the corneal injury related to the xerophthalmia, maintaining the number of conjunctival goblet cells and providing new treatment for relieving the ocular surface injury of the xerophthalmia.

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.

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.

The invention discloses bifidobacterium breve for regulating metabolism of vitamin A in intestinal flora and application of the bifidobacterium breve, and belongs to the field of microorganisms. According to the bifidobacterium breve CCFM1489 disclosed by the invention, vitamin A can be subjected to external metabolism to generate retinoic acid; corneal injury and conjunctival goblet cell injury of mice with xerophthalmia are relieved; the RA level in serum of the dry-eye mouse is improved; the levels of IL-6, IL-17 and TNF-alpha in serum of the mouse with the dry eye syndrome are reduced, the intestinal flora of the mouse with the dry eye syndrome is regulated, and the abundance of beneficial bacteria is increased. Therefore, the bifidobacterium breve CCFM1489 has a huge application prospect in preparation of products for preventing and / or relieving xerophthalmia.

The invention provides a novel conjunctival incision apple muscle reduction method. The novel conjunctival incision apple muscle reduction method comprises the following steps: S1, preoperative positioning; s2, minimally invasive puncture; s3, orbital septum tightening and fixing; s4, carrying out SOOF lifting and anchoring; s5, netted bundling of the fat pad; s6, wound treatment. According to the structure provided by the embodiment of the invention, a triple-effect collaborative reduction mechanism of orbital septum tightening, SOOF lifting and fat pad bundling is provided, and the core problem of facial aging is solved from the anatomical level; the adaptive parameters of the wire rod and the needle head are optimized, the combination scheme of the 5-0 PET wire and the 21G blunt-end needle head is defined, and the minimally invasive property and the fixing strength are both considered; a standardized operation process is established, and operation repeatability and effect stability are ensured through specific data such as puncture point spacing, suture needle pitch, tension control and the like.

The utility model belongs to the field of medical instruments, and particularly relates to a glaucoma hypertension intraocular pressure drainage device which comprises a tunnel knife used for manufacturing a sclera tunnel and an I-shaped drainage valve used for draining aqueous humor to reduce intraocular pressure, and the tunnel knife comprises a knife head and a knife handle arranged at the tail end of the knife head; a storage groove used for containing the I-shaped drainage valve is formed in the knife handle. A pipe cavity is formed in the I-shaped drainage valve in the length direction of the I-shaped drainage valve and penetrates through the I-shaped drainage valve. The tunnel knife can be used for accurately manufacturing a sclera tunnel with the length of 4mm and the width of 3mm, and the I-shaped drainage valve made of silica gel can be folded and can be implanted into the sclera tunnel through the injector. A tube cavity with the inner diameter being 60 micrometers is formed in the I-shaped drainage valve, aqueous humor can be drained to the position below the conjunctiva through the tube cavity in the drainage valve, intraocular pressure is reduced, damage of intraocular hypertension to eyes is reduced, the I-shaped drainage valve does not need to be fixed through suture, and the drainage device is simple, efficient, accurate and suitable for wide popularization.

The invention relates to the technical field of medical teaching models, in particular to a pterygium resection operation teaching model. Comprising a hemispherical base and further comprises a simulation eyeball, a fixing mechanism, a micro-errhysis simulation system, a pterygium simulation block, a transfusion pipeline and a conjunctival graft, the simulation eyeball used for simulating a human eyeball is arranged in the hemispherical base, the fixing mechanism is arranged in the hemispherical base, and the fixing mechanism is used for fixing the simulation eyeball in the hemispherical base. The simulated eyeball is constructed by adopting a multi-layer composite material, the simulated eyeball comprises a simulated sclera, a cornea bionic layer (comprising a cornea epithelium layer, a front elastic layer and a matrix layer), a simulated iris, a simulated pupil and a simulated conjunctiva, and each layer of material simulates a real ocular surface tissue in transparency, elastic modulus and mechanical property; students can obtain tactile feedback and visual experience close to a clinical real operation in the operation process, and the reality sense and effectiveness of micromanipulation skill training are effectively improved.

An implantable artificial capsule and a method of implantation are provided. The implantable artificial capsule has a ring with a central opening to accommodate an intraocular lens and at least three haptic arms extending substantially orthogonal from the outer surface of the ring. Each arm has transcleral anchors for sutureless scleral fixation. Upon implantation of the implantable artificial capsule the arms are externalized trans-sclerally and atraumatically. The arms sit subconjunctivally. The implantable artificial capsule does not have any sutures for fixation and is suturelessly implanted in an eye, which is a major advantage as it significantly reduces complications during surgery and recovery.

The utility model discloses a cannula side hanging needle for conjunctival lymphatic vessel dilation treatment, which comprises a disposable sterile injection needle, a sterile side hanging needle serving as a pillow inner is sleeved in the disposable sterile injection needle, the disposable sterile injection needle is a 20G disposable sterile injection needle with the length of 37mm, the outer diameter of 0.9 mm and the inner diameter of 0.6 mm, and the sterile side hanging needle is 80mm in length and 0.3 mm in diameter. The conjunctival lymphatic vessel dilator has the advantages of being reasonable in structural design, capable of completely resecting and dilating lymphatic vessels and cysts for conjunctival lymphatic vessel dilation treatment, free of residues, small in incision, free of suture needles, capable of achieving surface anesthesia, low in treatment cost, simple and easy to implement, capable of being completed under an outpatient service slit lamp, small in postoperative reaction, smooth and flat in conjunctiva, free of complications, safe, reliable and suitable for popularization and application. And the ophthalmology outpatient service is easy to popularize.

The application discloses an eye red state analysis method and device, a computing device and a storage medium. The method comprises the following steps: acquiring an eye image to be detected; performing regional segmentation on the eye image based on a segmentation network to extract a conjunctival region and an eyelash region; performing edge detection and edge-out mask segmentation on the conjunctival region to obtain a limbal region; performing red threshold segmentation on the eye image to obtain an eye red region after removing the eyelash region; calculating an eye red proportion in the conjunctival region and an eye red proportion in the limbal region to obtain an eye red state analysis result. The scheme can improve the eye red proportion recognition accuracy and efficiency, and provide reliable data support for various eye diseases.

Provided is a composition for ameliorating, alleviating or suppressing conjunctival congestion. This composition for ameliorating, alleviating or suppressing conjunctival congestion in a patient contains brimonidine or a pharmaceutically acceptable salt thereof as an active ingredient. In the composition, the concentration of brimonidine or the pharmaceutically acceptable salt thereof is about 0.0005 w / v% to about 0.02 w / v%.

The present invention discloses a method, an apparatus, and a storage medium for quantitatively evaluating conjunctival congestion. The method for quantitatively evaluating conjunctival congestion includes step S1 of acquiring a video of the movement of the eye from the inner side to the outer side or from the outer side to the inner side, step S2 of performing eye image segmentation on the video to obtain an eye conjunctival image and extracting the red channel value and the blue channel value of each pixel from the eye conjunctival image, and step S3 of determining the percentage of conjunctival congestion based on the proportional value between the red channel value and the blue channel value of each pixel. By the method for quantitatively evaluating conjunctival congestion, an accurate value of conjunctival congestion can be obtained.

An intraocular lens (IOL) (100) specifically designed for posterior chamber sutureless scleral fixation comprises an optic plate (11) and two haptics (12) extending from opposite sides of the optic plate (11), each haptic (12) comprising at its extremity a pinhead-shaped anchoring element (13) for anchoring to the sclera. This eliminates the need for scleral flaps, thereby simplifying the surgical procedure and reducing operative time while enhancing postoperative outcomes.

The invention is a divisional application of which the application number is 2025116336025. The invention provides an application of arnica diol in preparation of a medicine for treating lacrimal gland secretion dysfunction related diseases, and relates to the technical field of biomedicine.A lacrimal gland dysfunction dry-eye mouse model is constructed, and liposome entrapped arnica diol is adopted for intervention, so that the medicine for treating lacrimal gland secretion dysfunction related diseases is obtained. Experimental results show that the ocular surface function and structure of model animals are remarkably improved through arnica glycol treatment, the sodium corneal fluorescein staining score of mice in an arnica glycol treatment group is remarkably reduced, and corneal epithelium injuries are effectively repaired; the epithelial structure in the cornea tissue tends to be complete, and inflammatory cell infiltration of a matrix layer is obviously relieved; the density of goblet cells in the conjunctiva is obviously increased, which indicates that the secretion function of the mucous layer on the ocular surface is recovered. And the arnica glycol treatment has an improvement trend on tear film rupture time and tear secretion volume, which indicates that the arnica glycol has a potential effect in the aspects of maintaining tear film stability and promoting basic tear secretion.

The invention discloses a conjunctiva clamping auxiliary fixing device for ophthalmologic operations, and belongs to the technical field of ophthalmologic operations, and the conjunctiva clamping auxiliary fixing device comprises a safe self-locking structure, a clamping replacement assembly, a rotating operation handle, a fixed operation handle, a fixed support and a movable clamping table. In order to solve the problem that a clamping head cannot be replaced in an existing conjunctival operation, the invention provides a clamping replacement assembly, the two hands of medical staff are liberated, the effect that the medical staff do not need to be continuously clamped with the hands after one-time clamping action is achieved, clamping and fixing eye positions at different angles can be provided, and the working efficiency of the medical staff is improved. Great convenience is provided for subsequent conjunctival operation of medical staff; the adsorption frustum can automatically fall off from the fixed clamping table, automatic replacement of a device after an operation is achieved, a new adsorption frustum can be replaced when an operation is conducted again, the sterile requirement of the operation can be met, and a more sanitary and reliable replaceable scheme of the conjunctiva clamping head is provided.