11 results about "Operating microscope" patented technology

The utility model relates to a zoom intensifier, which comprises a shell, a turntable and an operating piece, an installation space is arranged in the shell, and corresponding lens holes are respectively arranged on two end surfaces of the shell; the turntable is rotatably arranged in the mounting space, a plurality of mounting holes are formed in the turntable, and zoom lens groups are mounted in the mounting holes; and the operating piece penetrates from the shell and is connected with the turntable, and the operating piece is operated to drive the turntable to rotate, so that the zoom lens group is cut into or out of the lens hole. An operating microscope comprises a microscope body, an eyepiece, and a zoom intensifier detachably connected between the microscope body and the eyepiece. The zoom intensifier can be installed between the eyepiece and the body of the operating microscope, light paths can be switched through the turntable, the magnification of the microscope can be adjusted, the zoom intensifier can be selected and installed according to requirements, and the zoom intensifier is flexible to use; the zoom intensifier is compact in overall structure and can occupy a small space; the quick-shifting structure of the operating part is simple, quick to adjust and convenient to use.

The utility model provides a portable operating microscope which comprises a pillar, a clamping base, a lower cross arm and an upper cross arm, the lower end of the pillar is fixedly provided with the clamping base, the upper end of the pillar is provided with the lower cross arm, the clamping base is provided with a clamping groove, one end of the lower cross arm is sleeved on the upper end of the pillar and is rotatably connected with the pillar, the upper cross arm is arranged above the lower cross arm in parallel, and the upper cross arm is connected with the lower cross arm. The other end of the lower cross arm is provided with a microscope assembly; and a gas spring for balancing the weight of the microscope assembly is arranged in the upper cross arm. The system is high in portability, portable, flexible in deployment, small in size, light in weight and suitable for various complex or resource-limited medical environments; and the view field adjustment range of the microscope assembly is large, and adjustment is convenient and fast.

1. The name of the design product: the connecting seat of digital operating microscope. 2. The use of the design product: the auxiliary equipment for doctors to observe in the process of operation. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

The invention provides an optical system, an operating microscope and an adjusting method. The optical system comprises an objective lens group; the continuous zoom lens group is arranged on the image side of the objective lens group; the objective lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged on the same optical axis from the object side, each of the first lens and the fifth lens has negative focal power, each of the second lens, the third lens and the fourth lens has positive focal power, the first lens and the second lens are glued to form a first glued lens, and the second lens and the fifth lens are glued to form a second glued lens; the object side surface of the first cemented lens is a concave surface, the image side surface of the first cemented lens is a convex surface, the third lens is a biconvex lens, the fourth lens and the fifth lens are cemented to form a second cemented lens, the object side surface of the second cemented lens is a convex surface, and the image side surface of the second cemented lens is a concave surface; the objective lens group meets the following relational expression: low-aberration and high-resolution imaging is realized through the system and the method.

The utility model discloses a non-contact fundus imaging wide-angle lens adapter for an operating microscope, and the adapter comprises a connecting assembly which is used for detachably installing the adapter on the operating microscope; a moving assembly; a focal length adjusting assembly; a wide-angle lens mounting assembly; the moving assembly is arranged on the connecting assembly, the moving assembly is connected with the focal length adjusting assembly, the focal length adjusting assembly is connected with the wide-angle lens mounting assembly, and the wide-angle lens can synchronously rotate and / or perform height adjustment along with the focal length adjusting assembly and can also synchronously move along with the moving assembly. The adapter provided by the utility model is strong in adaptability, and can be compatible with operation microscopes of almost all brands and models; the non-contact fundus imaging function can be achieved by adding the adapter for an old microscope and a common operating microscope, so that fundus vitrectomy can be performed, a brand-new microscope does not need to be purchased, and a large amount of cost can be saved for hospitals; the focusing and dynamic visual field adjusting functions are achieved, and a doctor can adjust the imaging focal length more smoothly in the operation process.

The utility model relates to a lifting arm locking mechanism of an operating microscope, which comprises a lifting arm rear end connector, a connecting rod shaft pin, a deep groove ball bearing, a lifting arm front end connecting block and connecting rods, and the lifting arm rear end connector and the lifting arm front end connecting block are movably connected through the four connecting rods, the connecting rod shaft pin and the deep groove ball bearing. The lifting arm rear end connector, the lifting arm front end connecting block and the four connecting rods form a lifting arm four-connecting-rod mechanism, that is, the lifting arm front end connecting block can do up-and-down lifting motion around a connecting rod shaft pin arranged at the position of the lifting arm rear end connector through the four connecting rods, and the lifting arm is further provided with a locking mechanism for locking the lifting arm front end connecting block to move. The locking mechanism is installed on the connecting rod and located on the connecting block at the front end of the lifting arm. According to the technical scheme, the structure is reasonable, the upper connecting rod and the lower connecting rod are not prone to dislocation and deformation in actual operation, and the upper connecting rod and the lower connecting rod can be protected.

The present invention relates to a single and / or dual laser delivery system attached to an existing ophthalmic operating microscope, comprising of a single and / or dual wavelength laser unit [1]; and a delivery system [5]. The laser unit [1] comprises of a green laser module 532 nm [3] and a yellow laser module 577 nm [4] along with an aiming beam [7] 635 nm. The delivery system comprises of a right-angle prism [5A]: X and Y Galvo assembly [5B] and a focusing lens assembly [5C]. The laser unit passes through a fiber optic cable [6] gets reflected using the right angle prism, gets deflected by the Galvo assembly, enters the focusing lens assembly and gets reflected by a folding mirror [5D] and focused on human eye capsule. The system converges and focuses the laser wavelengths in line with the aiming beam to create a circular pattern to accomplish a pre-measured Capsulorhexis.

The invention provides a plug-in modular paraxial optical coherence tomography device and an application method. The plug-in modular paraxial optical coherence tomography device is low in cost, easy to install, good in compatibility and capable of achieving general connection with an operating microscope and high-precision imaging. Comprising an OCT imaging module which is connected with an objective lens interface on a microscope and used for being connected with the microscope in a matched mode and achieving OCT imaging; the control driving module is connected with the OCT imaging module and is used for realizing imaging optical axis correction and optical data transmission; wherein the OCT imaging module comprises a shell and a connecting cover plate which is detachably assembled with the shell, the connecting cover plate is detachably connected with the objective lens interface, an optical module is arranged in the shell, the optical module is connected with the control driving module, and the control driving module is connected with the optical module. And an adapter for connecting an objective lens is arranged on the shell at the optical imaging tail end of the optical module.

The invention discloses an optical imaging system of a dental operating microscope, and belongs to the technical field of optical imaging. The continuous zoom group is arranged at the top of the zoom large objective lens group, and the continuous zoom group is positioned right above the zoom large objective lens group; the beam splitter prism is arranged at the top of the continuous zooming group, and the beam splitter prism is positioned right above the continuous zooming group; and an observation head mechanism. According to the optical imaging system of the dental operation microscope, through strict control, images observed by the left eye and the right eye are highly uniform in size and visual field, clear, comfortable and real stereoscopic vision is formed, fine structures such as micro cracks and root canal orifices of teeth can be clearly displayed, the high-precision operation requirement is met, and the operation efficiency is improved. View field center offset in the zooming process is strictly limited, it is guaranteed that when the magnification is switched, the target object is always located in the view field center and is stable in direction, and a doctor does not need to frequently search and position the target again.

The utility model discloses an operating microscope multi-lens protective sleeve film convenient for fast disassembly, which comprises a binding bag, two pull ropes are arranged in the upper end of the binding bag in a sliding manner, the pull ropes are symmetrically arranged along the center line of the binding bag, a mounting pipe is fixedly arranged at the lower end of the binding bag, and the mounting pipe is fixedly connected with the lower end of the binding bag. The operating microscope multi-lens protective sleeve film convenient to disassemble quickly provided by the utility model has the advantages that pollution treatment becomes quick and can be carried out at any time, the protective film is adopted, the use and manufacturing cost can be reduced, and the operating microscope multi-lens protective sleeve film convenient to disassemble quickly has the advantages of being simple in structure, convenient to disassemble, high in practicability and the like. Through the design of the binding bag and the pull rope, the microscope shell can be prevented from being damaged during installation, the installation convenience is improved, in addition, due to the arrangement of the installation pipe and the installation ring, the whole device does not need to be taken down when the diaphragm is added, and the operation is more convenient and efficient.

The invention discloses a bimodal imaging optical system for brain surgery navigation, and belongs to the technical field of brain surgery imaging and navigation. The system adopts a split design of an optical machine head and an OCT module and is connected through a single-mode optical fiber. The light machine head comprises a large objective lens group, a dichroscope, a spectroscope, a lighting lens, a dodging lens, a light source, a front fixed lens, a zoom lens, a rear fixed lens, an imaging camera, a three-dimensional galvanometer and a collimator; the OCT module comprises a coupler, a frequency sweeping light source, a polarization controller, a dispersion compensation assembly, an optical path compensation assembly and a photoelectric detector. According to the system, through light splitting and light path multiplexing of the dichroscope, high-definition color images (300-850 nm) on the surface of brain tissue and deep high-precision OCT cross-sectional images (950-1300 nm) can be simultaneously and coaxially obtained in real time, and the problem that surface and inner images cannot be synchronously obtained through an existing operating microscope is solved. The system is high in integration level and good in flexibility, can provide accurate intraoperative navigation for doctors, and remarkably improves the safety and accuracy of an operation.