90 results about "Ophthalmic surgery" patented technology

1. The name of the design product: protective eyecup (1). 2. The use of the design product: the design product is used to protect the eyes after ophthalmic surgery. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

To provide a foot switch and surgical device for ophthalmic surgery that offer improved operability. [Solution] The oscillating part of the side switch rotates and oscillates left and right around a rotation axis extending in the front-rear direction, within a predetermined oscillation range between an inner standby position when the side switch is not operated and an outer operating position when the side switch is operated. The side switch biasing part biases the oscillating part toward the standby position within the oscillation range. When the oscillating part is in the standby position, the point of application of the force required to operate the push switch is located inside a virtual reference plane extending vertically upward from the rotation axis of the oscillating part. When the oscillating part begins to rotate and oscillate from the standby position toward the operating position, the height of the point of application gradually increases as it moves outward from the standby position.

1. The name of the design product: glass cutting head. 2. The use of the design product: used in vitreous cutting and removing in ophthalmic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

In specific embodiments, provided is a material for preventing adhesion of membranes in an ophthalmic surgery for treatment of glaucoma or the like without using mitomycin-C or the like. Particularly provided is such material, which is easy to handle and has no risk of histolysis or infections. In a production method of a preferred embodiment, prepared are: aldehyde-modified dextran (first reactant) having weight-average molecular weight of 10,000-5,000,000 and introduced aldehyde group-per-anhydrous glucose unit (mol / AGU) of 0.4-0.7; and succinic anhydride-added poly-L-lysine (second reactant) having weight-average molecular weight of 1000-100,000 and having residual amino group ratio of 80-99%; then, they are mixed together so that aldehyde group-to-amino group molar ratio becomes 0.9-1.1 and are reacted in presence of water so that polymer concentration becomes 8-20%; and a hydrogel produced by the reaction, or a suspension before gelation, is freeze-dried to produce a porous sheet having a thickness of 0.1-0.8 mm.

The utility model provides a sclera outer pressing device for ophthalmologic operation, which comprises a handle, a pressing part is arranged at the end part of the handle, the pressing part is provided with at least two elastic pressing strips, one ends of the elastic pressing strips are separated from each other at intervals, the other ends of the elastic pressing strips are integrated, and a sliding sleeve is sleeved on the periphery of the handle. The sliding sleeve axially slides along the handle to drive the elastic pressing strip to be opened and closed. During use, the jacking part can form multi-point jacking, contact points of the jacking device and eyeballs are increased, the problem that the jacking part is prone to sliding in the surgical operation process is solved, and surgical operation efficiency and safety are improved.

The invention discloses a laser positioning method and system for an ophthalmologic operation, medical equipment and a storage medium. The method comprises the following steps: acquiring a three-dimensional reconstruction model of a cornea; surgical parameters set for the cornea are obtained, and the surgical parameters comprise surgical position parameters and surgical planning parameters; based on the operation position parameter, positioning a corresponding operation position in the three-dimensional reconstruction model of the cornea; and generating a laser planning trajectory at the surgical position in the three-dimensional reconstruction model of the cornea based on the surgical planning parameters.

The magnetic double-cavity mesh bag ophthalmologic operation foreign matter forceps comprise a handle and a magnetic sheathing canal capable of penetrating through a 23G minimally invasive tunnel portal, a partition plate is horizontally connected to the middle of an inner cavity of the magnetic sheathing canal, and the partition plate is used for vertically dividing the inner cavity of the magnetic sheathing canal into a sheathing canal upper cavity and a sheathing canal lower cavity; meanwhile, clamping type material taking assemblies are installed on the front side of the inner cavity of the handle and in the lower cavity of the sheath tube, and wrapping type material taking assemblies are installed in the inner cavity of the handle and in the upper cavity of the sheath tube. According to the scheme, through three independent and flexibly switchable working states of magnetic adsorption, mechanical clamping and net bag wrapping, the 23G minimally invasive operation requirements are met, various intraocular foreign matters can be accurately, safely and efficiently taken out, the risk of secondary injury of tissues is greatly reduced, and the operation convenience and success rate are improved.

The application relates to the technical field of ophthalmic surgical instruments, in particular to an ophthalmic internal limiting membrane tampon, which can protectively and automatically rebound when the tampon is operated with excessive force during a'mechanical' tampon process, so as to prevent iatrogenic retinal pigment epithelial layer damage at the bottom of a macular hole. The device comprises a sleeve-shaped handle, a spring and a probe are arranged in the handle along the length direction of the handle; the probe comprises a probe main body and a probe base, and the two ends of the probe base are connected with the spring and the probe main body respectively; an outer thread is arranged on the outer side of the probe base, and a tensioning wheel is arranged on the handle; the outer thread is divided into at least three thread regions arranged along the length direction of the probe base, including a first thread region, a second thread region and a third thread region; the threads in the first thread region, the second thread region and the third thread region correspond to first threads, second threads and third threads respectively; and the diameters of the second threads are all larger than the diameters of the first threads and the third threads.

The utility model relates to medical mask technical field, concretely relates to a breathing mask for ophthalmic operation, including mask body, and setting in the oxygen pipe joint of mask body middle part, the upside of mask body is provided with nose bridge buckling part, the first pipe joint is passed through and is provided with in the root of nose bridge buckling part, the right side below of mask body is provided with second pipe joint, is provided with carbon dioxide collection pipe interface on the second pipe joint, the second pipe joint with carbon dioxide through pipe is set up between the outside end of first pipe joint and is communicated, the inside end of first pipe joint is provided with transnasal collection pipe, solve the breathing mask for ophthalmic operation in the prior art for the poor fit effect of patient's nose, easy to influence medical staff's operation, possibly exist the risk of being infected, also do not have the function of exhaling carbon dioxide collection, the function is relatively single, can not satisfy the problem of clinical use requirement.

Provided are a trocar (2) for ophthalmic surgery and a trocar system provided with the trocar for ophthalmic surgery, whereby a surgical instrument having an outer shape larger than that of forceps can be reliably inserted into the eyeball regardless of the skill of the operator. A trocar (2) for ophthalmic surgery, in which a hollow insertion part (4) on the front end side is connected to a hollow main body part (6) on the rear end side, an internal space (8) is formed from a front end opening (4A) of the insertion part (4) to a rear end opening (6A) of the main body part, and at least the insertion part (4) is elastic, in a state in which the blade (20) is disposed in the internal space (8) so that the blade tip section (22) protrudes from the tip opening (4A), when viewed from the tip side of the blade tip section (22), the outer shape of the insertion section (4) is substantially shielded by the outer shape of the blade tip section (22), and when the blade tip section (22) is inserted into an eyeball, the insertion section (4) is also inserted into the eyeball along with the blade tip section (22). The insertion part (4) is positioned in the eyeball and the main body part (6) is positioned outside the eyeball by only pulling out the knife (20) from the rear end opening (6A), the blade tip part (22) can pass through the insertion part (4) by expanding the insertion part (4), and in the set state, when the surgical instrument (30) is inserted into the insertion part (4) from the rear end opening (6A), the insertion part (4) is expanded and the front end part of the surgical instrument (30) is inserted into the eyeball, and when the surgical instrument (30) is inserted into the main body part (6) from the rear end opening (6A), the blade tip part (22) can pass through the insertion part (4). When the surgical instrument (30) is pulled out from the rear end opening (6A), the expanded insertion part (4) returns to the original shape.

The invention discloses an intelligent head bracket for ophthalmologic operation. The intelligent head bracket comprises a mounting frame, a positioning rod, a head frame adapter, a bracket body, a head supporting tray, an air pressure type lifting assembly, an adjusting structure and a head fixing structure. Through cooperation of a separated expansion structure and a press-fit closed structure, intelligent distribution of air paths is achieved with the dead weight of the head of a patient as a control signal, the air paths in a pressed area are closed to form a firm bearing face, and the air paths in an unpressed neck area are smooth; by combining a multi-cavity independent fine adjustment structure, a multi-dimensional angle adjustment system and a mechanical locking type head fixing structure, personalized supporting of the head and the neck, fine hardness adjustment in an operation, multi-dimensional body position adjustment and reliable fixing are achieved. The head fixing device can adapt to patients with different head shapes / neck lengths without an electronic sensor, is high in supporting stability and good in comfort, does not interrupt the operation process during operation adjustment, and provides a reliable head fixing solution for high-precision ophthalmologic operations such as cataract and vitrectomy.

The utility model provides an iris dilation ring, which relates to the technical field of ophthalmologic operation related equipment, and comprises a dilation ring body and a connecting band assembly, the dilation ring body is of an unclosed circular ring structure, and the dilation ring body is used for penetrating through an incision of an eyeball and being attached to an iris so as to assist in dilation of the iris; the connecting belt assembly is detachably connected with the dilation ring body, and the connecting belt assembly is arranged on the outer side of the incision so as to prevent the dilation ring body from falling off from the iris. The technical problem that in the prior art, when an eye operation is carried out, eye tissue is prone to being damaged is solved.

The invention relates to an ophthalmic surgical system (2) for treating an eye, comprising a console (1) with a cassette holder (3) and a cassette (6). The cassette (6) has at least one first surface design element (8). The cassette holder (3) has at least one second surface design element (20) and is configured to hold the cassette (6) in a predetermined position within the cassette holder (3) when the first surface design element (8) and the second surface design element (20) are positioned in an interlocking manner. The first surface design element (8) and / or the second surface design element (20) have at least one change in cross-sectional area in a direction transverse to a surface (9, 21) on which the respective surface design element (8, 20) is arranged.Only if the surface design elements (8, 20) are designed to fit each other, can the first surface design element (8) and the second surface design element (20) be positioned interlocking at all.

The invention relates to an intelligent injection and suction control system for ophthalmologic operation and a using method thereof, and belongs to the technical field of medical instruments, the intelligent injection and suction control system comprises an intelligent host system, and a main control circuit board, a main suction pump and a high-speed servo compensation perfusion pump are integrated in the intelligent host system; a main suction channel and a compensation infusion channel are arranged in a needle handle of the double-channel intelligent needle in parallel, and the tail ends of the main suction channel and the compensation infusion channel are connected with a suction needle tube and a compensation infusion tube respectively. And the image processing system comprises an image acquisition unit and an image processing unit, and the image processing unit is internally provided with a multi-modal sensing fusion module and a feedforward prediction control module. According to the method, the anterior chamber collapse and the surge effect can be actively prevented, the conversion from passive response to predictive intervention is realized, and the intra-operative anterior chamber stability and the operation safety are effectively improved.

An ophthalmic surgical system for monitoring incision performance includes a laser device, a camera, and a computer. laser device delivers a laser beam with a laser setting energy towards a target to create optical breakdowns in the target. The camera generates images of the optical breakdowns in the target. The computer instructs the laser device to create the optical breakdowns in the target to yield a test pattern. The test pattern comprises regions of optical breakdowns, where each region was created with a different laser setting energy. From the images, the computer identifies a lowest energy region with substantially continuous optical breakdowns, and designates the laser setting energy used to create the identified region as a threshold energy.

The present invention relates to systems and methods for post occlusion surge mitigation and ophthalmic surgical systems. According to certain embodiments, a surgical cassette for an ophthalmic surgical system includes a perfusion conduit in fluid communication with a handpiece and delivering fluid to a surgical site. An aspiration conduit is in fluid communication with the handpiece and carries fluid away from the surgical site. An aspiration pump generates a vacuum pressure in the aspiration conduit to direct fluid through the aspiration conduit toward a drain reservoir. A reservoir is coupled to a pressure-vacuum source to manage the reservoir pressure. A valve is in fluid communication with the aspiration conduit and the reservoir and provides one or more passageways between the aspiration conduit and the reservoir. Each sensor detects a pressure associated with the surgical site. A computer controls the valve in response to the pressure detected by one or more of the pressure sensors to reduce pressure variations or volume variations.

The utility model discloses a novel ophthalmic operation point water open eye speculum belongs to open eye speculum technical field. A novel ophthalmic operation point water open eye speculum, including support rod, still include: the rotatory arm is rotationally connected on support rod, the connecting rod is rotationally connected on rotatory arm, and the lifting support is rotationally connected on connecting rod, the open eye speculum is fixedly connected on rotatory arm, and the open eye speculum is connected with infusion tube, and the water hole is seted up on open eye speculum, when rotatory arm is opened, the flow rate of infusion tube increases, when rotatory arm is closed, the flow rate of infusion tube reduces, the threaded rod is rotationally connected on support rod through screw thread, and the threaded rod is set up as hollow, and threaded rod is rotationally connected with lifting support, the utility model discloses can make the automatic flow of liquid medicine or water into the eye of patient when using open eye speculum to open the eyelid of patient, guarantees the eye of patient to keep wet in long -time operation, can also according to the size of patient's eye and carry out the self -adaptation flow rate regulation and manual flow rate regulation.

The invention relates to the field of ophthalmic surgical instruments, and particularly discloses an iris reduction instrument suitable for corneal laceration and iris incarceration. The instrument comprises a handle section, a transition section and a working end which are sequentially connected, the working end is in a flat duckbilled shape with a specific size, an included angle of 135 degrees is formed between the working end and the transition section, the working end has precise double-bending radius design, and the whole surface is subjected to mirror polishing to be in an ultra-smooth state. Through precise geometrical configuration and extremely low surface friction of the instrument, the instrument can safely and smoothly enter an intraocular anterior chamber space, and non-invasive reduction operation on incarcerated iris tissue is precisely completed. Meanwhile, the preferable medical material, the anti-slip design and the integrated forming process are combined with a manufacturing method comprising stress relief heat treatment, jig shaping and comprehensive inspection, so that the excellent operation hand feeling, the mechanical property and the long-term use reliability of the instrument are jointly ensured, and the safety, the controllability and the success rate of the fine surgery are remarkably improved.

Provided is a pupil dilator that can simply and safely dilate a pupil without damaging intraocular tissue such as an iris. A pupil dilator 1 for dilating a pupil in an ophthalmic surgery includes a ring portion 10 formed in a ring shape and an iris locking portion 20 provided to the ring portion 10. The ring portion 10 is alternately provided with a first ring portion 11 formed in a shape recessed toward a radial inner side and a second ring portion 12 formed in a shape bulged toward a radial outer side in a circumferential direction, and the iris locking portion 20 is provided to the first ring portion 11. The iris locking portion 20 is locked to a limbus of an iris in a state where the first ring portion 11 and the second ring portion 12 are disposed on a surface side of the iris.

The invention relates to the technical field of ophthalmologic operation equipment, in particular to a full-automatic jacking and pressing device for a vitreous body operation. Comprising a positioning ring and a jacking arm, the positioning ring is of an annular metal structure, and a circle of clamping groove is formed in the outer side face of the positioning ring. The jacking arm is of a C-shaped crank arm structure, can automatically jack and press the glass body and does circular motion along the glass body, one end of the jacking arm is installed in the clamping groove through a power system and used in cooperation with the annular gear ring arranged in the clamping groove, and the other end of the jacking arm is detachably connected with the glass body cutting knife. Through the arrangement of the full-automatic jacking and pressing device structure, the vitreous body can be automatically pressed during use, and then the effect of a vitrectomy operation can be effectively guaranteed. The problems that an existing ejector is difficult to operate, not prone to accurate positioning, prone to pollution and small in operation space are solved.

According to some embodiments, an ophthalmic surgical system for treating presbyopia includes controllable components and a computer. The controllable components include a light source for generating a light beam and a scanner for guiding the focus of the beam. The computer determines an ablation profile to remove tissue from the central and peripheral regions of the cornea of ​​the first eye in a pair of eyes. The ablation profile is designed to: remove tissue from the central region to create a protrusion to provide near vision, and remove tissue from the peripheral region to correct to emmetropia.

This invention belongs to the field of medical device technology, and specifically relates to an integrated cold and hot compress eye mask for postoperative ophthalmic surgery. It includes an eye mask shell with a lower end designed as an arc shape conforming to the contours of the human face. An elastic strap for secure wearing is fixed to the outer side of the eye mask shell. The invention also includes two symmetrically arranged temperature equalization components on the eye mask shell, an adjustable component for driving the two temperature equalization components to move axially along the eye mask shell, a ring-shaped inflatable airbag, an air supply component, a PLC microcontroller, and a battery pack. This invention achieves uniform cold and hot compresses across the entire eye area through the temperature equalization components, precise adjustment of the compress pressure and intermittent slow-release care through the adjustable component, and airtight insulation and eye safety protection through the ring-shaped inflatable airbag and air supply component. Overall, it improves the nursing effect, comfort, and safety, and is suitable for the postoperative rehabilitation needs of various highly sensitive ophthalmic surgeries.

The utility model provides an ophthalmologic operation lighting device which comprises a lighting mechanism and a fixing mechanism. The lighting mechanism comprises a fixing seat and a mounting shell, four magnetic attraction blocks are distributed and fixedly connected in the fixing seat at equal intervals, and a plug is mounted on one side of the fixing seat; the fixing mechanism comprises a first connecting arm and a fixing plate, a second connecting arm is rotatably mounted at the bottom of the fixing plate, and the first connecting arm is rotatably mounted at one end of the second connecting arm; the magnetic attraction block is arranged to attract the magnetic attraction ring to fix the mounting shell in the fixing seat, and the plug is inserted into the jack of the connecting seat to complete circuit connection, so that power is supplied to the illuminating lamp when the illuminating lamp is mounted in the fixing seat, the mounting shell can be detached from the fixing seat by pulling the mounting shell, and the mounting seat is convenient to use. And the storage battery in the mounting shell supplies power to the illuminating lamp, so that the illuminating lamp can be conveniently detached for use, additional illuminating equipment does not need to be added, and the occupied space of the illuminating device in the operation process is reduced.

The application relates to an intelligent ophthalmic ultrasonic emulsifier and a use method, and belongs to the technical field of ophthalmic surgical instruments, which comprises a main machine body, an operating handle, an anchor component and a viscosity type self-locking mechanism, an ultrasonic amplitude rod, a perfusion pipeline and a suction pipeline are arranged in the operating handle, an emulsification needle head and a perfusion sleeve are arranged at one end of the operating handle, a liquid inlet chamber is formed between the emulsification needle head and the perfusion sleeve, the anchor component is arranged in the liquid inlet chamber and is used for anchoring a hard nucleus in front of an opening of the emulsification needle head, and the viscosity type self-locking mechanism is arranged in the suction pipeline and comprises a hairspring disc body provided with a plurality of micropores; the hairspring disc body is configured to be deformed to block the suction pipeline when a high-viscosity fluid cannot pass through the micropores; the hard nucleus is anchored by the anchor component, so that the ocular tissue is prevented from being damaged by the rebound of the nucleus block; meanwhile, the viscosity type self-locking mechanism is used for instantaneously blocking the suction pipeline when the vitreous body is sucked, so that the retina is prevented from being damaged by traction, and the surgical safety and efficiency are improved.

The utility model belongs to the technical field of eye drainage and liquid collection devices, and relates to an ophthalmologic operation drainage and liquid collection operation towel which comprises a liquid collection opening, opening structures are arranged on the two sides of the top of the liquid collection opening, a liquid collection pipe is arranged at the bottom of the liquid collection opening, a liquid accumulation bag is arranged at the tail end of the liquid collection pipe, each opening structure comprises a support, and a supporting column is connected to the support through a connecting shaft. According to the utility model, the comfort level of a patient can be improved, the device can be better applied to an operation with complicated eye conditions, high operation difficulty and long operation time, the situation that the hole towel is pulled to move due to excessive liquid in the liquid collecting bag can be avoided, the operation safety is improved, the pollution to the periphery of eyes due to the permeation of flushing liquid can be effectively avoided, and the probability of infectious endophytic ophthalmia is reduced.

1. The name of the design product: hydrops box. 2. The use of the design product: medical apparatus for liquid perfusion and suction in ophthalmic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

A pupil expansion device for ophthalmic surgery includes a closed-loop ring body defining a central aperture and a plurality of flanges arranged circumferentially around the ring body. The flanges comprise non-folded flanges defining a plane of the device and folded flanges positioned alternately between the non-folded flanges. The folded flanges are connected to the ring body by notch regions and are movable between a resting configuration and an expanded configuration to enlarge the pupil. In one embodiment, the non-folded flanges, folded flanges, and notch regions are coplanar in the resting configuration. In another embodiment, the folded flanges are tilted posteriorly relative to the plane defined by the non-folded flanges by an angle between approximately 1 degree and 30 degrees. The device may be formed as a single-piece structure and is configured for use during ophthalmic surgical procedures, including manual small incision cataract surgery.

The present invention relates to a viscoelastic composition for use in an ophthalmic surgery method, which is transparent and at the same time colored, which allow the surgeon to easily identify the composition during the ophthalmic surgery which facilitates viscoelastic removal at the end of the operation. The present invention also concerns an ophthalmic viscoelastic device which includes the viscoelastic composition of the present invention, and a method of performing an ophthalmic surgery on the eye of a subject, having a step of administering to said eye an effective amount of the viscoelastic composition.

The utility model relates to the technical field of goggles, in particular to a turnover ophthalmology laser operation goggle which comprises a long-strip-shaped supporting frame, first blocking parts are arranged at the two ends of the supporting frame, and a second blocking part is arranged in the middle of the supporting frame; the first blocking part and the second blocking part form a placing groove for placing an ophthalmic operation microscope eyepiece; the fixing part is arranged on the support frame and is used for fixing the support frame on the ocular lens of the ophthalmologic operation microscope; the protective lens is hinged to the supporting frame through the connecting part. The ophthalmic laser operation goggles can be accurately placed on an eyepiece of a microscope through the placing groove, and when laser protection is needed, the protective lens can be put down to block in front of the eyepiece of the microscope, so that the protective effect is achieved; when the laser protection is not needed, the surgical field can recover to the conventional light only by turning over the protective lens upwards, the operation is simple and convenient, and the operation continuity of a doctor is not influenced.

An ophthalmic surgical instrument (10, 10A, 10B, 10C, 10D) for use in a phacoemulsification and / or an irrigation and aspiration procedure includes an enlarged emulsification tip (20, 20A, 20B, 200, 20D) for improved capsular bag safety and enhanced efficiency. In one form, the enlarged tip (20, 200) has a pair of opposing convexly curved side walls (22, 220, 26, 260) and a flat bottom wall (28, 280) extending between the convexly curved side walls (22, 220, 26, 260). In another form, the tip (20A) has a convexly 2024 / 064849 curved top wall (24A) defining a first radius of curvature (r1) , an opposing flat bottom wall (28A) located between two convexly curved side walls (22A, 26A) defining a second radius of curvature (r2). In another form, the tip (20B, 20D) has a convexly curved top surface (40B, 40D) connecting to a needle shaft portion (14B, 14D) and an annular flat end face (SOD).