65 results about "Slit Lamp Microscopy" patented technology

The invention discloses an electronic recording and remote diagnosis digital slit lamp system and a method, relates to the field of optical instruments and remote communication control, and aims to solve the problem about electronic recording, reproduction and remote diagnosis based on an image of a slit lamp. The electronic recording and remote diagnosis digital slit lamp system comprises an eye part of a patient, a digital slit lamp microscope end, a communication unit and a plurality of clients, wherein the digital slit lamp microscope end irradiates the eye part of the patient; the digital slit lamp microscope end, the communication unit and the clients are sequentially connected with one another so as to transmit pathological information of the eye part of the patient; and the clients remotely process and reproduce the pathological information of the eye part of the patient in the form of an image and can remotely control the digital slit lamp microscope end through the communication unit to acquire optical information of the eye part of the patient. The system and the method are mainly used for performing electronic recording, reproduction and remote diagnosis on the image of the slit lamp.

A laser slit lamp comprising a slit lamp base, a slit lamp head and a slit lamp microscope. The laser slit lamp is connected with an applicator. It comprises a device for uniting radiation from at least two radiation sources collinearly and for directing the radiation of a treatment beam or working beam onto the location to be treated in or on the eye of a patient, a device for generating a target beam or marking beam for targeting and observing the location to be treated in or on the eye, and an adjusting device in the applicator for changing the intensity and diameter of the working beam spot used for treatment. The radiation sources are laser radiation sources arranged in the slit lamp head, in the slit lamp base or in the slit lamp microscope for generating the working beam, illumination beam and / or target beam. Devices for control, regulation and monitoring are likewise arranged in the interior of the slit lamp.

The invention relates to a remote-control slit lamp microscope which comprises an instrument table surface, wherein a base system is arranged on the instrument table surface, a microscope system is arranged on the base system, a headstock system is arranged on the instrument table surface at the front of the microscope system, the base system, the microscope system and the headstock system are internally provided with a plurality of synchronous motors, and the microscope system is internally provided with a photographing transmission component to be connected with computers; the synchronous motors are connected with the computers; and one computer transmits collected mobile signals and photographing signals of the photographing transmission component to the other computer, and the other computer displays the photographing signals and transmits the mobile signals to the other slit lamp microscope which is provided with the synchronous motors at the same position. Each movable part and each rotating part of the slit lamp microscope are additively provided with the synchronous motors, and the photographing transmission component is arranged at an observation place, so that the specific condition of patients and the mobile position of the microscope can be timely transmitted to the other place to be displayed through the network, therefore, the patients can be conveniently diagnosed.

A binocular slit lamp microscope for observing a patient's eye, comprises: an objective lens; binocular eyepieces; and a mechanism that includes a plurality of optical systems and is arranged to switch the optical systems to be selectively placed in a predetermined position between the objective lens and the binocular eyepieces on an observation optical path, the mechanism including a variable magnification optical system for changing observation magnification and a viewing angle changing optical system for changing a viewing angle between a right viewing path and a left viewing path.

The invention discloses a micro-display slit system and a micro-display slit method, relates to the field of optical instruments, and aims to solve the problem that a slit blade of a slit lamp is inconvenient to mount and use. The micro-display slit system comprises a light source (1), a collimating unit (2), a polarizing unit (3), a micro-display chip (4), a micro-display chip drive unit (5), a polarization analysis unit (6), and a projection unit (7). The micro-display chip drive unit (5) drives the micro-display chip (4) to form a slit, a slit blade in an existing slit lamp is replaced, and accordingly the micro-display silt system is simple to mount and use, and regulation of size, shape, light intensity and color of a formed image is more convenient. The micro-display silt system is mainly used for slit lamp microscopes for ophthalmic testing.

A new and improved slit lamp microscope table with a front recess of suitable size to accommodate the torso of the occupant of a wheel chair or an obese individual. With the table set at an appropriate elevation, the handicapped individual can move his or her wheel chair to the vicinity of the table. The wheel chair is rolled toward the table until the user is located with his or her torso in the recess. Once the patient is in position, the table can be lowered to the point at which the arm rests of the table come into contact with the arms on the wheel chair and more positively hold the table and wheel chair in the desired relation.

Disclosed is an ophthalmologic apparatus, such as a slit lamp microscope, which is improved in terms of cable routing when an imaging apparatus is used, thereby achieving an improvement in operability for the examiner, mitigating the bother or discomfort for the subject, and realizing an improved outward appearance. In a slit lamp microscope using cables for electrical connection between an imaging apparatus and an image processing system or a control system, there is provided a cable hole having an opening provided with at least two curved corners through which cables connected to the imaging apparatus come together and which is formed so as to enclose partially the near portion of the protrusive axle shell of the base, or there is provided a cable routing path in which the cables connected to the imaging apparatus are routed by way of an accommodating groove with a detachable cover provided on the front side of the support arm, a cable hole provided in a protrusive axle shell of a base protruding toward a chin rest stand from a pedestal, a cable hole of the chin rest stand, and a cable hole provided in a table, to be passed under the table.

The invention relates to a medical slit lamp microscope, in particular to an ophthalmic slit lamp microscope. The slit lamp microscope is provided with a base above which a light source device, an objective assembly and an eyepiece assembly are arranged, the base is provided with a handle above which the objective assembly and the eyepiece assembly are arranged, wherein the light source device comprises an LED light source arranged above the base, a supporting cylinder arranged above the light source and a reflecting prism arranged at the top of the supporting cylinder, and the reflecting prism is positioned in front of an objective. The handheld slit lamp microscope adopts a white LED with high brightness as an illumination light source, and has the characteristics of reasonable optical system design, clear eye optical section, high brightness, light weight, portability and simple operation.

An ophthalmic monocular handheld digital microscope with a slit lamp mainly resolves problems that a slit light spot size adjusting mechanism of an existing monocular handheld microscope with a slit lamp is complex, and processing and assembly are inconvenient. The ophthalmic monocular handheld digital microscope is characterized in that at least one pin (6) is fixed on the outer wall of a projecting mirror (8), a strip-shaped guiding groove (17) is axially arranged on a side wall of a fixing sleeve (12), a first adjusting knob (18) is disposed outside the fixing sleeve (12), a spiral groove (19) is arranged on the inner wall of the first adjusting knob (18), each pin (16) penetrates through the guiding groove (17), and an end of each pin (16) is placed in the spiral groove (19) of the first adjusting knob (18). The ophthalmic monocular handheld digital microscope has the advantages of light weight, simple structure and convenience in adjustment of sizes of slit light spots, further can record digital images, can adjust the directions of the slit light spots and switch different filter discs, and can be flexibly and conveniently used by doctors.

A device for stereoscopic examination of an eye, in particular a slit-lamp microscope, comprises, according to a first aspect of the invention, a lens for generating two images of the eye, wherein the device comprises at least one image sensor for electronic recording of the two images. According to a second aspect of the invention, the device for examination of an eye, in particular the slit-lamp microscope, comprises a lens for generating one image, wherein it comprises an image sensor for electronic recording of one image, and a viewing unit with an image-reproducing unit for presenting the image, and an eyepiece for viewing the image.

The invention discloses a microscope optical adapter system. A microscope is a surgical or slit-lamp microscope. The optical adapter system comprises a body shell and a lens group, the two ends of thebody shell are connected with a spectroscopic device of the microscope and a digital photography device, and the digital photography device is a common mobile phone or tablet computer. The lens groupis arranged in the body shell, and comprises a first lens group for converging the outgoing light of the spectroscopic device into a real image and a second lens group for imaging the real image to the digital photography device and located at the least significant end of the lens group. The exit pupil of the lens group is located behind the second lens group, and the distance between the exit pupil and the vertex of the rear optical surface of the lens at least significant end of the second lens group is no more than 30mm. The microscope optical adapter system can connect the spectroscopic device of the microscope and take pictures without affecting the operation of doctors in the use process, and the shooting vision is clear, convenient and fast; and the microscope optical adapter system is suitable for devices with miniature cameras, electronic zoom is not required, and professional requirements of the devices are low.

The invention provides a method for detecting a vascularization degree of the surface of a filtering bleb based on ophthalmic slit lamp photographing. Based on a slit lamp microscope photographing system wide in clinic application, quantification indexes for evaluating blood vessels on the surface of the filtering bleb are provided, the degree of the blood vessels on the surface of the filtering bleb is reflected by a filtering bleb blood vessel area index and a filtering bleb hyperemia index, a vascularization degree objective evaluation method for the surface of filtering bleb is established, and the inflammation state of the filtering bleb is reflected.

The invention provides a webpage based remote control slit-lamp examination system and relates to a slit lamp. The webpage based remote control slit-lamp examination system is provided with a slit-lamp microscope system and an on-line diagnosis server system. The slit-lamp microscope system is provided with a movement sliding table system, a microscope system, an illumination system and a headstock system, and movement units are arranged inside the movement sliding table system, the microscope system and the illumination system and consist of motors and gear drive mechanisms. The on-line diagnosis server system comprises an application server and a database server, wherein the application server is used for retrieving data stored in the database server. A digital camera built in the microscope system is connected with the database server, picture signals shot by the digital camera are stored in the database server, and a doctor accesses the application server through a web browser and conducts remote consultation on a patient. The movement units are connected with the application server, and the application server sends control signals to the movement units at different places so as to remotely control actions of the slit-lamp microscope system.

The invention relates to a microscope optical adaptor connected between a microscope light splitting element and digital camera equipment; the microscope comprises an operation microscope and a slit-lamp microscope; the digital camera equipment comprises a mobile phone with an image capturing function, a flat computer, a camera and a video camera; the optical adaptor comprises a lens group arranged on a light path, and an optical image rotary part used for adjusting the direction of the optical image imaged on a digital camera equipment photosensitive unit; the optical image rotary part comprises an optical image rotary lens group arranged on the light path; the optical image rotary lens group can singly rotate around an optical axis, or the optical image rotary lens group is fixedly arranged. The microscope optical adaptor can adjust the direction of the optical image on the digital camera equipment photosensitive unit in real time, thus obtaining a satisfactory direction no matter in any position; the microscope optical adaptor is simple in structure, easy to adjust, and good in user operation experience effect.

The invention discloses an image collection device, a photography device and an image collection method. The image collection device comprises a camera device, a beam splitter, autofocus devices, an image fitting device and a control system; the camera device comprises a plurality of cameras and a single-wavelength filter in front of the cameras; the beam splitter is arranged in front of the camera device, and the incident light is respectively projected to the cameras; each camera is matched and connected with an autofocus device, and the autofocus device controls the focus of the camera; theimage fitting device receives monochrome images shot by the cameras and fits the monochrome images into a final image; and the control system is separately connected with and controls the cameras, the autofocus devices and the image fitting device. The image collection device collects monochrome images of different colors and fits the monochrome images into the final image more easily, the requirements for the lens is lower, the effect is better, the cost of the image collection device is lower, and the collected infrared images can be applied to slit lamp microscopes, surgical microscopes, other medical image collection.

The invention provides a device for testing the color rendering performance of an eye ground laser therapeutic instrument lighting system, and mainly aims to solve the problems that in the prior art, when the color rendering performance of the eye ground laser therapeutic instrument lighting system is tested, steps are complex and efficiency is low. The device is characterized in that a laser therapeutic instrument lighting system simple assembly is fixedly connected with a CCD image acquisition assembly or a fiber optical spectrometer acquisition and processing assembly, optical filters comprise the first optical filter and the second optical filter, the first optical filter is located between a right angle reflecting prism and a slit lamp microscope objective lens and perpendicular to the direction of the slit lamp microscope objective lens, and the second optical filter is arranged between the right angle reflecting prism and a model eye device. The slit lamp microscope objective lens, the first optical filter, the right angle reflecting prism, the second optical filter and the model eye device are located in a same optical path. The device for testing the color rendering performance of the eye ground laser therapeutic instrument lighting system can qualitatively and quantitatively test the color rendering performance of the eye ground laser therapeutic instrument lighting system respectively, and the system is simple and compact in structure and convenient and quick to assemble.

The invention discloses an ophthalmological function checking device based on a slit lamp platform, which comprises a slit lamp lifting platform and an imaging device supported on the slit lamp lifting platform; the imaging device comprises a slit-lamp microscope used for acquiring the view of an eyeball surface and a high-speed camera connected with the slit-lamp microscope through an optical path lens cone and used for imaging the eyeball surface light acquired by the slit-lamp microscope; the optical path lens cone is connected with a teaching mirror arranged in the slit-lamp microscope, and the high-speed camera is connected with an image processor. The checking device can exactly acquire the capillaries images of the eyeball surface, and exactly learn about the functional parameters and other quantitative indexes of the eyeball surface blood vessels through analyzing the image, thereby providing a certain basis for judging the inflammation of the eyeball and the eye surface.

An eye examination device including eye examination optics for examining a patient's eyes. A chin rest assembly accepts the patient's head and maintains the patient's head in a fixed stable position. The chin rest assembly can comprise two spaced apart upright posts for securing to a table, with a forehead rest member being secured to the two upright posts at an upper end, and a chin rest member being secured to the two upright posts below the forehead rest member. The chin rest member can have a chin rest portion which extends forwardly relative to an upright plane extending between centers of the two upright posts and away from the eye examination optics, so that generally only a front of the patient's face coincides with the upright plane when the patient's head engages the chin rest portion.

Apparatus and methods for subjecting a patient to an slit lamp microscopy and / or Goldmann tonometry eye examination are disclosed herein. In some embodiments, the patient is in a side-lying down position at a time of the examination. In some embodiments, it is possible to examine an upper and / or lower eye—for example, a lower eye slightly above a supporting surface. Related apparatus are disclosed herein. In some embodiments, the apparatus includes a bed and / or a headrest and / or a face immobilization assembly are disclosed herein.

The invention relates to a remote-control slit lamp microscope which comprises an instrument table surface, wherein a base system is arranged on the instrument table surface, a microscope system is arranged on the base system, a headstock system is arranged on the instrument table surface at the front of the microscope system, the base system, the microscope system and the headstock system are internally provided with a plurality of synchronous motors, and the microscope system is internally provided with a photographing transmission component to be connected with computers; the synchronous motors are connected with the computers; and one computer transmits collected mobile signals and photographing signals of the photographing transmission component to the other computer, and the other computer displays the photographing signals and transmits the mobile signals to the other slit lamp microscope which is provided with the synchronous motors at the same position. Each movable part and each rotating part of the slit lamp microscope are additively provided with the synchronous motors, and the photographing transmission component is arranged at an observation place, so that the specific condition of patients and the mobile position of the microscope can be timely transmitted to the other place to be displayed through the network, therefore, the patients can be conveniently diagnosed.

The invention discloses a visual slit-lamp microscope correction device which comprises a collimator, a microscope large object lens module, a microscope small object lens module, a flat base and an image collection and analysis module. The collimator, the microscope large object lens module and the microscope small object lens module are mounted above the flat base, and the image collection and analysis module is positioned on the left side of the collimator. Through the above mode, by the visual slit-lamp microscope correction device, correction can be realized by using human eyes, and correction can be assisted by collecting, analyzing and comparing images; by using the device to correct a slit-lamp microscope, correction accuracy can be improved, correction errors can be reduced; the human eyes can be liberated to some extent, so that labor intensity is lowered, and working efficiency is improved.

A patient examination assembly comprises a rotatable stand adapted to mount a slit lamp microscope, and a phoropter attached to the stand by a telescoping arm assembly, comprising an arm and a connector, and the connector comprises a first link and a second link. The first link is telescopeable within the second link.

Disclosed is a slit lamp microscope capable of forming a slit superior in terms of parallelism. The slit lamp microscope includes casings (100L and 100R) to the bottoms surfaces of which slit blades (107L) and (107R) are fixed and which are connected together so as to be rotatable around shaft members (102), and an inter-casing distance varying member (87) adapted to change the distance between the casings (100L and 100R) in correspondence with vertical movement of an ascent / descent shaft (86). Coil-like portions of torsion springs (103) are wound around the shaft members (102) to which the casings (100L and 100R) are connected. The torsion springs (103) urge the casings (100L and 100R) so as to bring the slit blades (107L and 107R) close to each other. Further, the casings (100L and 100R) are equipped with U-shaped springs (106) urging protrusions (100L′ and 100R′) thereof so as to press them against the shaft members (102).

The present invention discloses one kind of light source device for slit lamp microscope. The light source device contains a lighter, and condensing lens set, slit, diaphragm and projecting lens set in the light path of the lighter. The lighter is one multiple die LED with red light emitting LED die, blue light emitting LED die and green light emitting LED die. The light source device has simple structure, convenient operation, rich light colors, high light homogeneity and high color stability, and can result in improved diagnosis quality.

The invention discloses a portable slit-lamp microscope and a slit-lamp microscope system and relates to the field of medical equipment. The portable slit-lamp microscope comprises a base and is characterized in that a liftable control base is connected to the base, and a detachable slit light source and a binocular microscope imaging component are arranged on the control base. The portable slit-lamp microscope is convenient to carry, adjustable in overall height and suitable for being used in different environments. The slit-lamp microscope system comprises the portable slit-lamp microscope and a detachable forehead support bracket, wherein the forehead support bracket is arranged on the control base, and the forehead support bracket and the binocular microscope imaging component are located on the two opposite sides of the slit light source. The slit-lamp microscope system is convenient to carry, adjustable in overall height, capable of fixing the head of a patient in different environments and capable of examining the eyes of the patient.

The invention provides a handheld slit lamp microscope which comprises an illumination optical system for projecting illumination beams on the cornea, and an observation optical system for amplifyingreflected light from the cornea of an examined eye and guiding the reflected light to the eyepiece exit pupil; the illumination optical system is arranged inside an illumination device on a base, andthe illumination path of the illumination device is perpendicular to the plane where the base is located; the observation optical system is provided with a linkage mechanism for linkage of an objective lens and the eyepiece, and the linkage mechanism moves the objective lens to the portion, [So+F21*So / (So-F21)+F25] away from the cornea of the examined eye. Forward motion of the objective lens along the optical axis of the objective lens is automatically achieved so that the multiplying power of a generated intermediary image can become larger and the intermediary image can move backwards, andthe eyepiece moves backwards along the optical axis of the eyepiece so that the intermediary image can be imaged to the eyepiece exit pupil.

A head-mounted slit lamp microscopy system relates to the field of slit lamp microscopy. There is an inspection operation terminal and a head-mounted unit; the head-mounted unit is equipped with a projection module, an image acquisition module and a central control module, and the projection module is equipped with a projection drive part and a lighting part; Check the light band information to form a patterned control command, and send the patterned control command to the head-mounted unit; the central control module analyzes and processes the patterned command, sends the light source control command to the projection module, and the image acquisition command to the image acquisition module; the projection module According to the light source control instruction, the detection spot is generated and projected to the patient's eye; the image acquisition module collects the optical slice image of the inspection part according to the image acquisition instruction, and sends the optical slice image data to the central control module; the central control module according to the received The optical slice image data forms an inspection data packet, and the inspection data packet is sent to the inspection operation end.

Provided is a slit lamp microscope capable of controlling irradiation of slit light and background illumination light interlockingly. Embodiment includes a main illumination system, background illumination system, observation system and controller. The main illumination system includes a first light source unit that outputs first light and slit forming unit that forms a slit with changeable width, and illuminates an eye with the first light having passed through the slit. The background illumination system includes a second light source unit that outputs second light, and illuminates a peripheral area of an eye area irradiated with the first light. The observation system includes an eyepiece lens, imaging device, and group of optical elements that guides reflected light of the first light and reflected light of the second light from the eye to the eyepiece lens and imaging device. The controller interlockingly controls the main illumination system and second light source unit.

An adapter is disclosed for ophthalmologic equipment for the defined connection and positioning of a laser link on the housing of different slit lamp microscopes . The adapter comprises a base body, on the one end of which a fastening device is provided for fastening it to the housing of a slit lamp microscope in a manner that is positionally aligned, releasable and has no play, and on the other end of which contiguous to the laser link a first device of coupling or coupling elements and / or position securing elements are provided for coupling the laser link to the housing of a slit lamp microscope in a manner that is positionally aligned, releasable and has no play. This first coupling device can be engaged in a rigid operative connection with a matching complementary second coupling device of the laser link.